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  Subjects -> ENGINEERING (Total: 2284 journals)
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CHEMICAL ENGINEERING (192 journals)                     

Showing 1 - 192 of 192 Journals sorted alphabetically
AATCC Journal of Research     Full-text available via subscription   (Followers: 6)
ACS Sustainable Chemistry & Engineering     Hybrid Journal   (Followers: 5)
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials     Hybrid Journal   (Followers: 5)
Acta Polymerica     Hybrid Journal   (Followers: 9)
Additives for Polymers     Full-text available via subscription   (Followers: 20)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 7)
Advanced Chemical Engineering Research     Open Access   (Followers: 31)
Advanced Powder Technology     Hybrid Journal   (Followers: 16)
Advances in Applied Ceramics     Hybrid Journal   (Followers: 5)
Advances in Chemical Engineering     Full-text available via subscription   (Followers: 24)
Advances in Chemical Engineering and Science     Open Access   (Followers: 53)
Advances in Polymer Technology     Hybrid Journal   (Followers: 13)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 7)
Annual Review of Analytical Chemistry     Full-text available via subscription   (Followers: 10)
Annual Review of Chemical and Biomolecular Engineering     Full-text available via subscription   (Followers: 12)
Anti-Corrosion Methods and Materials     Hybrid Journal   (Followers: 9)
Applied Petrochemical Research     Open Access   (Followers: 2)
Asia-Pacific Journal of Chemical Engineering     Hybrid Journal   (Followers: 7)
Biochemical Engineering Journal     Hybrid Journal   (Followers: 14)
Biofuel Research Journal     Open Access   (Followers: 4)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 10)
Brazilian Journal of Chemical Engineering     Open Access   (Followers: 3)
Bulletin of Chemical Reaction Engineering & Catalysis     Open Access   (Followers: 2)
Bulletin of the Chemical Society of Ethiopia     Open Access   (Followers: 2)
Carbohydrate Polymers     Hybrid Journal   (Followers: 8)
Catalysts     Open Access   (Followers: 7)
ChemBioEng Reviews     Full-text available via subscription   (Followers: 1)
Chemical and Engineering News     Free   (Followers: 12)
Chemical and Materials Engineering     Open Access   (Followers: 13)
Chemical and Petroleum Engineering     Hybrid Journal   (Followers: 12)
Chemical and Process Engineering     Open Access   (Followers: 27)
Chemical and Process Engineering Research     Open Access   (Followers: 24)
Chemical Engineering & Technology     Hybrid Journal   (Followers: 32)
Chemical Engineering and Processing: Process Intensification     Hybrid Journal   (Followers: 17)
Chemical Engineering and Science     Open Access   (Followers: 19)
Chemical Engineering Communications     Hybrid Journal   (Followers: 14)
Chemical Engineering Education     Full-text available via subscription  
Chemical Engineering Journal     Hybrid Journal   (Followers: 35)
Chemical Engineering Research and Design     Hybrid Journal   (Followers: 23)
Chemical Engineering Research Bulletin     Open Access   (Followers: 12)
Chemical Engineering Science     Hybrid Journal   (Followers: 26)
Chemical Geology     Hybrid Journal   (Followers: 18)
Chemical Papers     Hybrid Journal   (Followers: 2)
Chemical Product and Process Modeling     Hybrid Journal   (Followers: 4)
Chemical Reviews     Full-text available via subscription   (Followers: 173)
Chemical Society Reviews     Full-text available via subscription   (Followers: 41)
Chemical Technology     Open Access   (Followers: 16)
ChemInform     Hybrid Journal   (Followers: 8)
Chemistry & Industry     Hybrid Journal   (Followers: 5)
Chemistry Central Journal     Open Access   (Followers: 4)
Chemistry of Materials     Full-text available via subscription   (Followers: 242)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 15)
ChemSusChem     Hybrid Journal   (Followers: 7)
Chinese Chemical Letters     Full-text available via subscription   (Followers: 2)
Chinese Journal of Chemical Engineering     Full-text available via subscription   (Followers: 4)
Chinese Journal of Chemical Physics     Hybrid Journal   (Followers: 1)
Coke and Chemistry     Hybrid Journal   (Followers: 1)
Coloration Technology     Hybrid Journal  
Computational Biology and Chemistry     Hybrid Journal   (Followers: 12)
Computer Aided Chemical Engineering     Full-text available via subscription   (Followers: 1)
Computers & Chemical Engineering     Hybrid Journal   (Followers: 9)
CORROSION     Full-text available via subscription   (Followers: 20)
Corrosion Engineering, Science and Technology     Hybrid Journal   (Followers: 35)
Corrosion Reviews     Hybrid Journal   (Followers: 5)
Crystal Research and Technology     Hybrid Journal   (Followers: 6)
Current Opinion in Chemical Engineering     Open Access   (Followers: 7)
Education for Chemical Engineers     Hybrid Journal   (Followers: 5)
Eksergi     Open Access  
Emerging Trends in Chemical Engineering     Full-text available via subscription   (Followers: 3)
European Polymer Journal     Hybrid Journal   (Followers: 41)
Fibers and Polymers     Full-text available via subscription   (Followers: 6)
Fluorescent Materials     Open Access   (Followers: 1)
Focusing on Modern Food Industry     Open Access   (Followers: 2)
Frontiers of Chemical Science and Engineering     Hybrid Journal   (Followers: 2)
Gels     Open Access  
Geochemistry International     Hybrid Journal   (Followers: 2)
Handbook of Powder Technology     Full-text available via subscription   (Followers: 6)
Heat Exchangers     Open Access   (Followers: 3)
High Performance Polymers     Hybrid Journal   (Followers: 1)
Hungarian Journal of Industry and Chemistry     Open Access  
Indian Chemical Engineer     Hybrid Journal   (Followers: 5)
Indian Journal of Chemical Technology (IJCT)     Open Access   (Followers: 10)
Indonesian Journal of Chemical Science     Open Access   (Followers: 1)
Industrial & Engineering Chemistry     Full-text available via subscription   (Followers: 11)
Industrial & Engineering Chemistry Research     Full-text available via subscription   (Followers: 21)
Industrial Chemistry Library     Full-text available via subscription   (Followers: 3)
Industrial Gases     Open Access  
Info Chimie Magazine     Full-text available via subscription   (Followers: 3)
International Journal of Chemical and Petroleum Sciences     Open Access   (Followers: 3)
International Journal of Chemical Engineering     Open Access   (Followers: 7)
International Journal of Chemical Reactor Engineering     Hybrid Journal   (Followers: 3)
International Journal of Chemical Technology     Open Access   (Followers: 5)
International Journal of Chemoinformatics and Chemical Engineering     Full-text available via subscription   (Followers: 2)
International Journal of Food Science     Open Access   (Followers: 3)
International Journal of Industrial Chemistry     Open Access   (Followers: 1)
International Journal of Polymeric Materials     Hybrid Journal   (Followers: 6)
International Journal of Science and Engineering     Open Access   (Followers: 3)
International Journal of Waste Resources     Open Access   (Followers: 4)
Journal of Chemical Engineering & Process Technology     Open Access   (Followers: 5)
Journal of Applied Crystallography     Hybrid Journal   (Followers: 6)
Journal of Applied Electrochemistry     Hybrid Journal   (Followers: 13)
Journal of Applied Polymer Science     Hybrid Journal   (Followers: 178)
Journal of Biomaterials Science, Polymer Edition     Hybrid Journal   (Followers: 9)
Journal of Bioprocess Engineering and Biorefinery     Full-text available via subscription  
Journal of Chemical & Engineering Data     Full-text available via subscription   (Followers: 11)
Journal of Chemical and Biological Interfaces     Full-text available via subscription   (Followers: 1)
Journal of Chemical Ecology     Hybrid Journal   (Followers: 6)
Journal of Chemical Engineering     Open Access   (Followers: 20)
Journal of Chemical Engineering and Materials Science     Open Access   (Followers: 2)
Journal of Chemical Science and Technology     Open Access   (Followers: 4)
Journal of Chemical Sciences     Partially Free   (Followers: 19)
Journal of Chemical Technology & Biotechnology     Hybrid Journal   (Followers: 10)
Journal of Chemical Theory and Computation     Full-text available via subscription   (Followers: 15)
Journal of CO2 Utilization     Hybrid Journal   (Followers: 2)
Journal of Combinatorial Chemistry     Full-text available via subscription  
Journal of Crystallization Process and Technology     Open Access   (Followers: 8)
Journal of Environmental Chemical Engineering     Hybrid Journal   (Followers: 5)
Journal of Food Measurement and Characterization     Hybrid Journal  
Journal of Food Processing & Technology     Open Access   (Followers: 1)
Journal of Fuel Chemistry and Technology     Full-text available via subscription   (Followers: 4)
Journal of Geochemical Exploration     Hybrid Journal   (Followers: 1)
Journal of Industrial and Engineering Chemistry     Hybrid Journal   (Followers: 1)
Journal of Information Display     Hybrid Journal   (Followers: 1)
Journal of Inorganic and Organometallic Polymers and Materials     Partially Free   (Followers: 9)
Journal of Modern Chemistry & Chemical Technology     Full-text available via subscription   (Followers: 2)
Journal of Molecular Catalysis A: Chemical     Hybrid Journal   (Followers: 6)
Journal of Non-Crystalline Solids     Hybrid Journal   (Followers: 8)
Journal of Organic Semiconductors     Open Access   (Followers: 5)
Journal of Physics and Chemistry of Solids     Hybrid Journal   (Followers: 5)
Journal of Polymer and Biopolymer Physics Chemistry     Open Access   (Followers: 6)
Journal of Polymer Engineering     Hybrid Journal   (Followers: 9)
Journal of Polymer Research     Hybrid Journal   (Followers: 6)
Journal of Polymer Science Part C : Polymer Letters     Hybrid Journal   (Followers: 6)
Journal of Polymers     Open Access   (Followers: 6)
Journal of Polymers and the Environment     Hybrid Journal   (Followers: 1)
Journal of Pure and Applied Chemistry Research     Open Access   (Followers: 2)
Journal of the American Chemical Society     Full-text available via subscription   (Followers: 295)
Journal of the Bangladesh Chemical Society     Open Access  
Journal of the Brazilian Chemical Society     Open Access   (Followers: 2)
Journal of The Institution of Engineers (India) : Series E     Hybrid Journal   (Followers: 1)
Journal of the Pakistan Institute of Chemical Engineers     Open Access   (Followers: 1)
Journal of the Taiwan Institute of Chemical Engineers     Hybrid Journal   (Followers: 2)
Journal of Water Chemistry and Technology     Hybrid Journal   (Followers: 9)
Jurnal Bahan Alam Terbarukan     Open Access  
Jurnal Inovasi Pendidikan Kimia     Open Access   (Followers: 5)
Jurnal Reaktor     Open Access  
Jurnal Rekayasa Kimia & Lingkungan     Open Access  
Jurnal Teknologi Dan Industri Pangan     Open Access   (Followers: 1)
Konversi     Open Access  
Korean Journal of Chemical Engineering     Hybrid Journal   (Followers: 3)
Main Group Metal Chemistry     Hybrid Journal   (Followers: 1)
Materials Chemistry and Physics     Full-text available via subscription   (Followers: 16)
Materials Science and Applied Chemistry     Open Access  
Materials Sciences and Applied Chemistry     Full-text available via subscription  
Modern Chemistry & Applications     Open Access  
Molecular Imprinting     Open Access  
Nanochemistry Research     Open Access  
Nanocontainers     Open Access   (Followers: 1)
Nanofabrication     Open Access  
Noise Control Engineering Journal     Full-text available via subscription   (Followers: 4)
Ochrona Srodowiska i Zasobów Naturalnych : Environmental Protection and Natural Resources     Open Access  
Petroleum Chemistry     Hybrid Journal   (Followers: 1)
Physics and Chemistry of Glasses - European Journal of Glass Science and Technology Part B     Full-text available via subscription   (Followers: 4)
Plasma Processes and Polymers     Hybrid Journal   (Followers: 3)
Plasmas and Polymers     Hybrid Journal  
Polymer     Hybrid Journal   (Followers: 121)
Polymer Bulletin     Hybrid Journal   (Followers: 7)
Polymer Composites     Hybrid Journal   (Followers: 15)
Polyolefins Journal     Open Access  
Powder Technology     Hybrid Journal   (Followers: 13)
Recyclable Catalysis     Open Access   (Followers: 1)
Research on Chemical Intermediates     Hybrid Journal  
Reviews in Chemical Engineering     Hybrid Journal   (Followers: 5)
Revista ION     Open Access  
Revista Mexicana de Ingeniería Química     Open Access  
Rubber Chemistry and Technology     Full-text available via subscription   (Followers: 2)
Russian Chemical Bulletin     Hybrid Journal   (Followers: 2)
Russian Journal of Applied Chemistry     Hybrid Journal   (Followers: 1)
Science and Engineering of Composite Materials     Hybrid Journal   (Followers: 61)
Solid Fuel Chemistry     Hybrid Journal  
South African Journal of Chemical Engineering     Open Access   (Followers: 2)
South African Journal of Chemistry     Open Access   (Followers: 2)
Surface Engineering and Applied Electrochemistry     Hybrid Journal   (Followers: 5)
Sustainable Chemical Processes     Open Access   (Followers: 2)
Synthesis Lectures on Chemical Engineering and Biochemical Engineering     Full-text available via subscription  
The Canadian Journal of Chemical Engineering     Hybrid Journal   (Followers: 3)
The Chemical Record     Hybrid Journal   (Followers: 1)
Theoretical Foundations of Chemical Engineering     Hybrid Journal   (Followers: 2)
Transition Metal Chemistry     Hybrid Journal   (Followers: 4)
Transylvanian Review of Systematical and Ecological Research     Open Access  
Visegrad Journal on Bioeconomy and Sustainable Development     Open Access   (Followers: 2)
Zeitschrift für Naturforschung B : A Journal of Chemical Sciences     Open Access   (Followers: 1)


Journal Cover Journal of Water Chemistry and Technology
  [SJR: 0.246]   [H-I: 7]   [9 followers]  Follow
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1934-936X - ISSN (Online) 1063-455X
   Published by Springer-Verlag Homepage  [2355 journals]
  • The influence of interphase characteristics on the attraction of particles
           in aqueous and gaseous media
    • Authors: N. A. Mishchuk
      Pages: 61 - 67
      Abstract: Abstract The dependence of the attraction energy of particles on the formation of thin layers on their surface with characteristics different from those of dispersion medium has been investigated. It is shown that at local reduction of the water density or formation of gaseous interlayer on the surface of hydrophobic particles, their attraction at small distances substantially increases. In contrast, the formation of a thin layer of water on the surface of hydrophilic particles in the air leads to weakening of their attraction. The most pronounced effect is obtained for the energy of interaction of hydrophobic disperse particle and bubble: the interaction value and sign changes depending on the specific ratio of parameters.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020011
      Issue No: Vol. 39, No. 2 (2017)
  • Application of luminescence for estimating the efficiency of
    • Authors: V. V. Goncharuk; O. V. Zuy; R. V. Prihod’ko
      Pages: 68 - 72
      Abstract: Abstract Capabilities of new approaches in luminescence applications for estimating the quality of photocatalysts have been studied. Since photoluminescent processes are chain ones and initiated by free radicals, luminol and other indicators can be used to determine the efficiency of photocatalysts: the higher is the intensity of luminescent glow, the more is the number of free radicals in the system and the higher is the efficiency of photocatalyst. In some cases, by using special techniques it is possible to study the accumulation of superoxide radicals, hydroxyl radicals, and hydrogen peroxide in the system.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020023
      Issue No: Vol. 39, No. 2 (2017)
  • The use of magnetic potassium–zinc hexacyanoferrate(II) for sorption
           concentration of radionuclide cesium
    • Authors: L. N. Puzyrnaya; V. S. Shunkov; G. N. Pshinko; A. A. Kosorukov; V. Ya. Demchenko
      Pages: 73 - 79
      Abstract: Abstract The article has studied the possibilities of using of magnetic potassium–zinc hexacyanoferrate(II) for concentration of 137Cs and its further radiometric determination in natural water media. It has been shown that highly selective removal of 137Cs (distribution coefficient constitutes (9.5–249) × 103 cm3/g) on the proposed sorbent is observed in a wide range of the V/m ratio.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020035
      Issue No: Vol. 39, No. 2 (2017)
  • Adsorption of arsenic by hybrid anion–exchanger based on titanium
    • Authors: Ye. O. Kolomiyets; V. N. Belyakov; A. V. Palchik; T. V. Maltseva; L. I. Zheleznova
      Pages: 80 - 84
      Abstract: Abstract The article has investigated the removal of anion–exchange forms of As(V) by organic anion–exchangers Dowex Marathon 11, Dowex SBR-P and organoinorganic anion–exchangers containing titanium oxyhydrate, from 0.2–2.0 mM solutions of NaH2AsO4 in the range of equilibrium values pH 3–10. It has been found that introduction of an inorganic component in the amount of 7 fractions of total mass, % results in non-additive (up to 50 fractions of total mass, %) increase of absorption of ions of As(V) in adsorption from weakly alkaline solutions. It was assumed that nonadditive change of the value of absorption may be caused by the influence of the negative charge of the surface of oxide component of organic anion–exchangers. It is shown that in acid media and also at an increase of the amount of the introduced titanium oxyhydrate the values of adsorption and distribution coefficient of As(V) ions approaches additive ones.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020047
      Issue No: Vol. 39, No. 2 (2017)
  • Dynamics of filling the activated carbon porous space with bioproducts in
           the process of 2-chlorophenol removal
    • Authors: S. K. Smolin; O. V. Zabnieva; N. A. Klymenko; O. G. Shvydenko
      Pages: 85 - 91
      Abstract: Abstract The article has assessed current losses of porosity of activated carbon due to the existence of microbial activity in the fixed sorbent bed during the removal of 2-chlorophenol from water. Non-target losses of vacant porosity of carbon increased depending on the time of functioning the biological system. At the end of the second year the content of bioproducts in spent pores constituted 75–85%.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020059
      Issue No: Vol. 39, No. 2 (2017)
  • New inhibitors of corrosion and depositions of sediments for water
           circulation systems
    • Authors: N. D. Gomelya; T. A. Shabliy; A. G. Trohymenko; M. M. Shuryberko
      Pages: 92 - 96
      Abstract: Abstract New efficient inhibitors of steel corrosion and scale formation have been developed for water circulation cooling systems. They include sodium dimethylenesulfophosphonate and sodium methylenedisulphonate. The processes of scale formation and steel corrosion in water in the presence of these inhibitors were studied. It was shown that the synthesized inhibitors in terms of the efficiency were not inferior to the most effective of well-known reagents: nitryltrimethylphosphonic acid and oxyethylidendiphosphonic acid. Compositions for preventing the scale formation in waters with high hardness (carbonate index > 70 (mg-eq/dm3)2) at < 100°C were also developed.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020060
      Issue No: Vol. 39, No. 2 (2017)
  • Quasichemical description of the cell death kinetics of cellular biosensor
           Spirostomum ambigua for testing the biological activity of aqueous
    • Authors: V. V. Goncharuk; A. V. Syroeshkin; I. A. Zlatskiy; E. V. Uspenskaya; A. V. Orekhova; O. V. Levitskaya; V. I. Dobrovolskiy; T. V. Pleteneva
      Pages: 97 - 102
      Abstract: Abstract A kinetic method of biotesting of aqueous solutions using isolated cells of unicellular organism Spirostomum ambigua has been described. A kinetic scheme of interaction of cellular biosensor with ligands based on the Michaelis-Menten mechanism was proposed. It was shown that the death rate of S. ambigua featured the Arrhenius-type dependence on temperature. The activation energy was determined for different toxicants and drugs. For many compounds the activation energy of slow stage of the process of cellular biosensor death linearly correlates with parameter DL50 for the same substances at their oral administration to laboratory animals.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020072
      Issue No: Vol. 39, No. 2 (2017)
  • Bioregeneration of the activated carbon layer spent in the dynamics of
           procaine biofiltration
    • Authors: E. A. Korzh; N. A. Klymenko; S. K. Smolin
      Pages: 103 - 107
      Abstract: Abstract This paper has investigated bioregeneration of biologically activated carbon (BAC) from procaine. The study has shown low efficiency (up to 25%) of desorption of procaine by aqueous solutions even at heating up to 80°C. In the course of bioregeneration media of spent BAC was recovered a small degree of adsorption capacity of the sorbent and by two times enhanced the ATP-ase activity of the biofilm, which increased the efficiency of the operation of biosorbents 2.5 and 3.25 times after respective 4 and 10 days of bioregeneration. A positive effect of bioregeneration affects further biofiltration about 1000 c.v. of the model solution.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020084
      Issue No: Vol. 39, No. 2 (2017)
  • Adsorption studies of fluoride by activated carbon prepared from Mucuna
           prurines plant
    • Authors: C. Pongener; D. Kibami; K. S. Rao; R. L. Goswamee; D. Sinha
      Pages: 108 - 115
      Abstract: Abstract Activated carbon synthesized from the plant Mucuna prurines have been successfully used to remove fluoride from aqueous solution by adsorption method. Batch method adsorption has been studied and the adsorption was found to be very significant. Almost 96% of fluoride could be removed by adsorption. Adsorption studies of fluoride signify the fact that among the different adsorption model, Langmuir adsorption model seems to be more favorable in the present case. Different parameters like effect ofadsorbent dosage, contact time, pH and initial concentration are studied to understand the adsorption mechanism.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020096
      Issue No: Vol. 39, No. 2 (2017)
  • Monitoring the quality of mineral bottled water concerning to potential
           pathogenic bacteria and nitrate levels
    • Authors: H. A. Hassan; M. I. Mostfa
      Pages: 116 - 124
      Abstract: Abstract The diversity of cultured pathogenic bacteria in the bottled mineral water (BMW) was investigated using selective media. The pure isolates from these selective media, which showed hemolytic activity on the blood agar media and antibiotic resistance, were identified by 16S rRNA gene technique. The seven obtained strains were belonged to the genus Pseudomonas, Bacillus, Acinetobacter, Stenotrophomonas, and Exiguobacterium, and were mostly closed to the pathogenic strains. The increasing of ozone concentration from air-fed ozone generators eliminate the growth of bacteria included the pathogenic bacteria, but in other side it increases the amount of nitrates and nitrites in the final product of the BMW. These findings revealed that the BMW either has potential pathogenic bacteria or high levels of nitrates and all these products may effect on the health of the end user.
      PubDate: 2017-03-01
      DOI: 10.3103/s1063455x17020102
      Issue No: Vol. 39, No. 2 (2017)
  • The use of vacuum ultraviolet radiation for investigationof water samples
           with different salt content
    • Authors: S. A. Dolenko; A. M. Kravchenko; A. I. Marinin; V. V. Goncharuk
      Pages: 1 - 6
      Abstract: Abstract The paper gives the results of experimental research in photolysis of water samples using vacuum ultraviolet radiation at the wavelength 185 nm. Differences in the kinetics of formation of hydrogen peroxide for different waters found are explained by changes in the structural state of water, which was confirmed in defining sizes of clusters by the method of dynamic light scattering.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x17010015
      Issue No: Vol. 39, No. 1 (2017)
  • Biotransformation of the active carbon layer in purifying water of
    • Authors: S. K. Smolin; O. V. Zabneva; N. A. Klymenko; O. G. Shvydenko
      Pages: 7 - 13
      Abstract: Abstract The article has investigated regularities of the process of transformation of active carbon into biologically activated carbon in the course of an effective filtration purification of water of 2-chlorophenol. In exploitation of active carbon for more than two years the contribution of the adsorption and biodestructive components to the removal of the target component was marked off. It has been shown that more than 80–85% of chlorophenol is removed biologically after four–five months from the beginning of the process.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x17010027
      Issue No: Vol. 39, No. 1 (2017)
  • Photogeneration of hydrogen peroxide in the CeO 2
           –Ce(III/IV)–O 2 system
    • Authors: A. A. Nosonovich; N. M. Soboleva; R. V. Prikhod’ko; V. V. Goncharuk
      Pages: 14 - 20
      Abstract: Abstract The article investigated processes of photogeneration of hydrogen peroxide in CeO2/ethanol and Ce n+/O2/ethanol under the effect of UV-light and interaction of their components in dark conditions. The article also studied the relationship between the process rate and the pH of the medium, concentration of constituents of the system and the presence of electron acceptors.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x17010039
      Issue No: Vol. 39, No. 1 (2017)
  • The choice of the most effective prelimenary purification of urban
           wastewaters for their subsequent reverse osmotic treatment
    • Authors: O. O. Seminskaya; M. N. Balakina; D. D. Kucheruk; A. E. Kulishenko; V. V. Goncharuk
      Pages: 21 - 25
      Abstract: Abstract On the basis of research of dispersion composition of pollutants in urban wastewater using laser diffraction methods of their preliminary preparation for further reverse osmotic purification were chosen. It has been found that filtration through a sand filter with the fraction 1.0–2.0 mm followed by microfiltration through ceramic tubular membranes of clay minerals ensures water treatment to standards for input water in reverse osmotic units.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x17010040
      Issue No: Vol. 39, No. 1 (2017)
  • Desalination of glycerol-water solutions by electrodyalysis using the
           organo-inorganic membranes
    • Authors: L. M. Rozhdestvenskaya; Yu. S. Dzyazko; E. O. Kudelko; S. L. Vasilyuk; V. N. Belyakov
      Pages: 26 - 32
      Abstract: Abstract The organo–inorganic ion exchange membranes based on heterogeneous membrane materials and inorganic ion exchangers (zirconium hydrophosphate and hydrated zirconium dioxide) have been developed for electrodialysis desalination of glycerol–water solutions. It was shown that the electrodialysis efficiency with pristine polymer membranes decreases with time due to formation of deposit directly in the membrane pores. In contrast, the organo–inorganic membranes exhibit resistance to poisoning by organic substances, and the current yield during the electromembrane treatment can reach 95–98%.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x17010052
      Issue No: Vol. 39, No. 1 (2017)
  • Assessment of the biodegradation intensity of organic compounds in water
           using the squalene biomarker
    • Authors: M. Yu. Vozhdaeva; L. I. Kantor; A. R. Kholova; M. R. Khammatova; E. A. Kantor; N. V. Trukhanova; I. A. Melnitskii
      Pages: 33 - 39
      Abstract: Abstract An approach based on the quantitative determination of squalene biomarker by the chromato-mass-spectrometry method has been proposed for assessment of the intensity of biotransformation of organic compounds in water. The method sensitivity amounted to 5 × 10–5 mg/dm3. It is recommended to use squalene for the detection of stagnant zones in the city water distribution system and the biological activity in filtering layers of wells of infiltration water intakes and in filters for industrial and domestic water treatment. An enhanced intensity of biotransformation processes is related to the rise of squalene concentration in the tested water.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x17010064
      Issue No: Vol. 39, No. 1 (2017)
  • Study on the effect of Artemia franciscana on the uptake of Zn(II) and
    • Authors: S. Sujatha Devi; M. Sethu; P. Lalithambigai; P. Gomathi Priya
      Pages: 40 - 46
      Abstract: Abstract The toxicokinetic study was used to assess the potential of an organism for Zn(II) and Cu(II) bioaccumulation and it was ascertained using a bicompartmental model. The effect of Zn(II) and Cu(II) concentration on the kinetics parameter in Artemia franciscana were determined. In the present investigation, the uptake rate seems to be high with the time period of 72 h for Zn(II) when compared to Cu(II) by the process of bioaccumulation. The bioconcentration factor (BCF) and metal influx rate (I) was also found higher in the Artemia which was exposed to Zn(II) when compared to Cu(II), whereas BCF was inversely related to the concentration. From these parameters, we may predict the effective bioaccumulation of Zn(II) and Cu(II) using Artemia franciscana and whose kinetic parameters were found to be suited to the bicompartmental model.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x17010076
      Issue No: Vol. 39, No. 1 (2017)
  • Disintegration as a key-step in pre-treatment of surplus activated sludge
    • Authors: A. Machnicka; E. Nowicka; K. Grübel
      Pages: 47 - 55
      Abstract: Abstract This study has been carried out to investigate the effect of microwave, alkalization and freezing on surplus activated sludge disintegration (release of organic/inorganic substances into the supernatant) and mesophilic fermentation. After applying pre-treatments, chemical oxygen demand increased by 7–35 times, disintegration degree was 35–47%, proteins by 5–25, carbohydrates by 2–3, phosphates 7–22 and ammonium by 3–16 times. Disintegration by microwave, alkalization and freezing has a positive effect on the rate of sludge anaerobic digestion. Biogas production increased by: 62; 49 and 58%, for microwave radiation, alkalization and freezing, respectively. The conducted research shows that the application of disintegration as a pre-treatment of surplus activated sludge is an effective method, allowing for practical using sewage sludge.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x17010088
      Issue No: Vol. 39, No. 1 (2017)
  • Estimation of residual antibiotics in soil and underground water of areas
           affected by pharmaceutical wastewater in Lahore
    • Authors: S. Hussain; M. Naeem; M. N. Chaudhry
      Pages: 56 - 60
      Abstract: Abstract Drinking water is most essential thing for life on earth. Due to environmental pollution day by day the quality and quantity of drinking water is lowering. Ground water tables are becoming contaminated due industrial pollution. Contamination level of antibiotics namely ofloxacin (OFL), ciprofloxacin (CIP), levofloxacin (LEV), oxytetracycline (OTC), doxycycline (DOX) were quantified in soil and underground water of surrounding areas of pharmaceutical industry in Lahore. HPLC with DAD detector, C-18 column and solid phase cartridges were used to analyze antibiotic residues. In groundwater DOX has highest mean level of contamination and OFL was determined as highest contaminating pollutant in soil. Highest detected value in groundwater of OFL was 0.50, CIP and LEV 0.20, DOX 0.80, OTC 0.40 ng/L. Ground water have residual level of CIP 0.01–0.20 ng/L, LEV 0.02–0.20 ng/L, OFL 0.01–0.50 ng/L, OTC 0.02–0.40 ng/L, and DOX 0.04–0.80 ng/L. Ground water was contaminated by these residues is very important as it is source of accumulation of antibiotics to human and animal body as well as to plants.
      PubDate: 2017-01-01
      DOI: 10.3103/s1063455x1701009x
      Issue No: Vol. 39, No. 1 (2017)
  • Liquid–phase extraction treatment of wastewater of paint and varnish
           production facilities in the extractor with mixer
    • Authors: A. A. Gasanov; G. Z. Suleimanov; G. I. Kelbaliev
      Pages: 336 - 341
      Abstract: Abstract Liquid–phase extraction technology providing the maximum wastewater purification from such electrolyte composition components as butylglycol, phenylisopropanol, ascetic acid, and acetylacetone has been developed. A mathematical model of the process is proposed that takes into account the hydrodynamics of liquid flow and mass transfer in phases for each component. The differential cell model was used to determine the process parameters and calculate the basic dimensions of extractor. In addition, a three-stage process flowsheet with minimum extractant consumption was also presented.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060060
      Issue No: Vol. 38, No. 6 (2016)
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
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Fax: +00 44 (0)131 4513327
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