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  Subjects -> ENGINEERING (Total: 1962 journals)
    - CHEMICAL ENGINEERING (151 journals)
    - CIVIL ENGINEERING (149 journals)
    - ELECTRICAL ENGINEERING (82 journals)
    - ENGINEERING (1119 journals)
    - ENGINEERING MECHANICS AND MATERIALS (290 journals)
    - HYDRAULIC ENGINEERING (45 journals)
    - INDUSTRIAL ENGINEERING (52 journals)
    - MECHANICAL ENGINEERING (74 journals)

CHEMICAL ENGINEERING (151 journals)                  1 2     

ACS Combinatorial Science     Full-text available via subscription   (Followers: 7)
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials     Hybrid Journal   (Followers: 3)
Acta Polymerica     Hybrid Journal   (Followers: 6)
Additives for Polymers     Full-text available via subscription   (Followers: 18)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 4)
Advanced Chemical Engineering Research     Open Access   (Followers: 7)
Advances in Applied Ceramics     Partially Free   (Followers: 2)
Advances in Chemical Engineering     Full-text available via subscription   (Followers: 15)
Advances in Chemical Engineering and Science     Open Access   (Followers: 21)
Advances in Polymer Technology     Hybrid Journal   (Followers: 10)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 1)
Annual Review of Analytical Chemistry     Full-text available via subscription   (Followers: 9)
Annual Review of Chemical and Biomolecular Engineering     Full-text available via subscription   (Followers: 9)
Anti-Corrosion Methods and Materials     Hybrid Journal   (Followers: 4)
Applied Petrochemical Research     Open Access   (Followers: 3)
Asia-Pacific Journal of Chemical Engineering     Hybrid Journal   (Followers: 6)
Biochemical Engineering Journal     Hybrid Journal   (Followers: 8)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 5)
BMC Chemical Biology     Open Access   (Followers: 4)
Brazilian Journal of Chemical Engineering     Open Access   (Followers: 2)
Bulletin of the Chemical Society of Ethiopia     Open Access   (Followers: 1)
Carbohydrate Polymers     Hybrid Journal   (Followers: 8)
Catalysts     Open Access   (Followers: 6)
Chemical and Petroleum Engineering     Hybrid Journal   (Followers: 7)
Chemical and Process Engineering     Open Access   (Followers: 3)
Chemical and Process Engineering Research     Open Access   (Followers: 5)
Chemical Communications     Full-text available via subscription   (Followers: 27)
Chemical Engineering & Technology     Hybrid Journal   (Followers: 24)
Chemical Engineering and Processing: Process Intensification     Hybrid Journal   (Followers: 9)
Chemical Engineering and Science     Open Access   (Followers: 2)
Chemical Engineering Communications     Hybrid Journal   (Followers: 10)
Chemical Engineering Journal     Hybrid Journal   (Followers: 16)
Chemical Engineering Research and Design     Hybrid Journal   (Followers: 15)
Chemical Engineering Science     Hybrid Journal   (Followers: 9)
Chemical Geology     Hybrid Journal   (Followers: 9)
Chemical Papers     Hybrid Journal   (Followers: 3)
Chemical Product and Process Modeling     Full-text available via subscription   (Followers: 3)
Chemical Reviews     Full-text available via subscription   (Followers: 251)
Chemical Society Reviews     Full-text available via subscription   (Followers: 26)
Chemical Technology     Open Access   (Followers: 4)
ChemInform     Hybrid Journal   (Followers: 3)
Chemistry & Industry     Hybrid Journal   (Followers: 2)
Chemistry Central Journal     Open Access   (Followers: 5)
Chemistry of Materials     Full-text available via subscription   (Followers: 162)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 6)
ChemSusChem     Hybrid Journal   (Followers: 7)
Chinese Chemical Letters     Full-text available via subscription   (Followers: 1)
Chinese Journal of Chemical Engineering     Full-text available via subscription   (Followers: 3)
Chinese Journal of Chemical Physics     Hybrid Journal   (Followers: 1)
Coke and Chemistry     Hybrid Journal  
Coloration Technology     Hybrid Journal   (Followers: 1)
Computational Biology and Chemistry     Hybrid Journal   (Followers: 8)
Computer Aided Chemical Engineering     Full-text available via subscription   (Followers: 2)
Computers & Chemical Engineering     Hybrid Journal   (Followers: 7)
Corrosion Engineering, Science and Technology     Hybrid Journal   (Followers: 18)
Corrosion Reviews     Full-text available via subscription   (Followers: 4)
Crystal Research and Technology     Hybrid Journal   (Followers: 2)
Current Opinion in Chemical Engineering     Open Access   (Followers: 2)
Education for Chemical Engineers     Hybrid Journal   (Followers: 4)
European Polymer Journal     Hybrid Journal   (Followers: 41)
Fibers and Polymers     Full-text available via subscription   (Followers: 3)
Focusing on Modern Food Industry     Open Access   (Followers: 3)
Frontiers of Chemical Science and Engineering     Hybrid Journal   (Followers: 1)
Geochemistry International     Hybrid Journal  
High Performance Polymers     Hybrid Journal  
Indian Chemical Engineer     Hybrid Journal   (Followers: 3)
Indian Journal of Chemical Technology (IJCT)     Open Access   (Followers: 12)
Industrial & Engineering Chemistry     Full-text available via subscription   (Followers: 9)
Industrial & Engineering Chemistry Research     Full-text available via subscription   (Followers: 16)
Industrial Chemistry Library     Full-text available via subscription   (Followers: 4)
International Journal of Chemical and Petroleum Sciences     Open Access   (Followers: 1)
International Journal of Chemical Engineering     Open Access   (Followers: 6)
International Journal of Chemical Reactor Engineering     Full-text available via subscription   (Followers: 3)
International Journal of Chemical Technology     Open Access   (Followers: 3)
International Journal of Chemoinformatics and Chemical Engineering     Full-text available via subscription   (Followers: 2)
International Journal of Food Science     Open Access   (Followers: 2)
International Journal of Industrial Chemistry     Open Access  
International Journal of Polymeric Materials     Hybrid Journal   (Followers: 3)
International Journal of Science and Engineering     Open Access   (Followers: 7)
International Journal of Waste Resources     Open Access   (Followers: 3)
ISRN Chemical Engineering     Open Access   (Followers: 4)
ISRN Polymer Science     Open Access   (Followers: 11)
Journal of Applied Crystallography     Hybrid Journal   (Followers: 4)
Journal of Applied Electrochemistry     Hybrid Journal   (Followers: 6)
Journal of Applied Polymer Science     Hybrid Journal   (Followers: 154)
Journal of Biomaterials Science, Polymer Edition     Hybrid Journal   (Followers: 7)
Journal of Chemical & Engineering Data     Full-text available via subscription   (Followers: 6)
Journal of Chemical Ecology     Hybrid Journal   (Followers: 1)
Journal of Chemical Engineering     Open Access   (Followers: 3)
Journal of Chemical Engineering and Materials Science     Open Access  
Journal of Chemical Science and Technology     Open Access   (Followers: 1)
Journal of Chemical Sciences     Partially Free   (Followers: 13)
Journal of Chemical Technology & Biotechnology     Hybrid Journal   (Followers: 2)
Journal of Chemical Theory and Computation     Full-text available via subscription   (Followers: 9)
Journal of Coatings     Open Access   (Followers: 2)
Journal of Crystallization Process and Technology     Open Access   (Followers: 5)
Journal of Food Measurement and Characterization     Hybrid Journal  
Journal of Fuel Chemistry and Technology     Full-text available via subscription   (Followers: 5)
Journal of Fuels     Open Access  
Journal of Geochemical Exploration     Hybrid Journal  

        1 2     

Journal Cover Journal of Water Chemistry and Technology
   [8 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  [2209 journals]   [SJR: 0.134]   [H-I: 3]
  • Removal of toxic metals from aqueous solutions by layered double
           hydroxides
    • Abstract: Abstract The article has investigated the possibility of using layered double hydroxide intercalated by diethylenetriaminepentaactetic acid for the removal of toxic metals from aqueous solutions. It has been shown that sorption of Ni(II), Co(II), and Pb(II) from aqueous solutions on the indicated sorbent is determined by several mechanisms of sorption: complexation, ionic exchange and precipitation of metal hydroxides. Comparative research of the efficiency of removing toxic metals by carbonate and chelate forms of sorbents was conducted.
      PubDate: 2014-03-01
       
  • Sorption of Cd(II) from multicomponent nitrate solutions by functional
           organosilicas
    • Abstract: Abstract The paper has investigated the impact of hardness salts modeling soft and hard waters on sorption of trace amounts of Cd(II) by β-cyclodextrin-containing silicas, which differ by chemical nature of sorption centers. The paper has demonstrated high affinity of organosilicas to Cd(II) in its sorption from multicomponent solutions. Equilibrium sorption of cations from aqueous nitrate solutions within a broad interval of concentrations has been described by means of the Langmuir and Freundlich models and was interpreted in terms of the theory of hard and soft acids and Pearson bases.
      PubDate: 2014-03-01
       
  • Anaerobic treatment of brewary wastewater with simultaneous hydrogen
           production
    • Abstract: Abstract Processes of brewery wastewater treatment with sequential use of the fermentative and bioelectrochemical methods have been investigated. A two-stage fermentation increases the rate of substrate utilization and hydrogen production. The water treatment efficiency in terms of COD in the first and second fermenters amounts to 55–65% and 65–72%, respectively. The hydrogen concentration in biogas can reach 65%. The organic acids produced in anaerobic fermentation process represent a substrate for exoelectrogenic microorganisms of bioelectrochemical fuel cell, where the secondary wastewater treatment takes place for achieving COD values of 200–400 mg/dm3. The combination of the fermentative and bioelectrochemical processes of hydrogen production makes it possible to increase its yield by a factor of 2–4 and reach the level of 7–9 moles of H2 per 1 mole of glucose.
      PubDate: 2014-03-01
       
  • Factors affecting forms of finding Th(IV) in aqueous solutions
    • Abstract: Abstract We have investigated forms of finding Th(IV) in aqueous solutions based on experimental data and calculated with the use of stability constants. It has been shown that Th(IV) in the concentration range 1 × 10−5–1 × 10−3 M in solutions with pH ≤ 4 exists in the form of monomer hydroxocationic forms. At pH ≥ thorium is found in the form of thermodynamically unstable hydrolysis products being formed and associated in colloids of hardly soluble hydroxides—Th(OH)4. Charged positively such particles, provided the presence of mineral weighed masses, and are sorbed on the negatively charged surface of the mineral irrespective of its nature, by the precipitation mechanism.
      PubDate: 2014-03-01
       
  • Modeling of coagulation-microfiltration hybrid process for treatment of
           oily wastewater using ceramic membranes
    • Abstract: Abstract In this novel paper, fouling mechanisms of Mullite-alumina ceramic membranes in treatment of oily wastewaters in hybrid coagulation—microfiltration (MF) process have been presented. Hermia’s models for cross flow filtration were used to investigate the fouling mechanisms of membranes at different time intervals with various coagulant concentrations. Four coagulant ((ferrous chloride (FeCl2 · 4H2O), ferrous sulfate (FeSO4 · 7H2O), aluminum chloride (AlCl3 · 6H2O) and aluminum sulfate (Al2(SO4 −)3 · 18H2O)) plus equal concentration of calcium hydroxide in form of calcium hydroxide (Ca(OH)2) were evaluated in the coagulation—MF hybrid process at different concentrations (0, 50, 100 and 200 ppm). To determine whether the data agree with any of the considered models, the coefficient of determination (R2) of each plot for one model was compared with the others. In addition, average prediction errors of models are calculated. The results showed that the cake filtration model can be applied for prediction of the permeation flux decline for MF and coagulation—MF hybrid process with the best and worst average error equal to 0.96% and 5.78% respectively. Results indicated that by increasing time in filtration pore blocking behavior changes and one model cannot predict pore blocking behavior in all filtration time with very good preciseness.
      PubDate: 2014-03-01
       
  • Water purification of nitrates with their deep concentration by the method
           of electrodialysis
    • Abstract: Abstract The paper has shown a possibility of water purification of nitrates with their deep concentration in the form of the KNO3 salt, which is a valuable mineral fertilizer. The paper has determined working parameters of the electrodialysis process and established the negative impact of Cl− on concentration of nitrates. The article has also investigated expediency of a developed electrodialyzer concentrator for complex processing of water containing nitrates.
      PubDate: 2014-03-01
       
  • Water purification of sulfates by liming when adding reagents containing
           aluminum
    • Abstract: Abstract The article has investigated the processes of water purification of sulfates when treating with lime, sodium aluminate or aluminum hydroxide. It has been shown that the efficiency of removing sulfates depends on the type and consumption of reagents containing aluminum and the method of pretreating aluminum hydroxide. The paper has determined the effect of after treatment by carbon dioxide or magnesite on the efficiency of water purification of sulfates, the degree of its softening, and residual alkalinity.
      PubDate: 2014-03-01
       
  • Biosorption removal of nitrophenols by activated carbon
    • Abstract: Abstract The article has investigated the efficiency of biofiltration of solutions 2,4-dinitrophenol and 2-nitriphenol through activated carbon of the grade KAU—usual and modified by iron oxide. It has been shown that both sorbents are characterized by a high selective adsorption for substances being investigated. The impact of modification of carbon by iron oxides when removing nitrophenols is manifested in an increase of active life of biofilter operation and activization of the biofilm development.
      PubDate: 2014-03-01
       
  • Removal of natural organic matter by ultrafiltration
    • Abstract: Abstract The article has established a limiting stage of the process and proposed a mechanism of removing natural organic matter within a wide range for a coagulant by means of the combination technology in-line coagulation-ultrafiltration. The paper has determined rational conditions of running the process, namely: type and a dose of the coagulant, the range of temperatures and the pH, duration of the contact.
      PubDate: 2014-01-01
       
  • A simple manifold flow injection analysis for determining phosphorus in
           the presence of arsenate
    • Abstract: Abstract A simple manifold flow injection analysis (FIA) for determining phosphorus in the presence of arsenate in water, by the on-line reduction of As(V) to As(III) using sodium sulfite. The FIA method is applicable for the determination of phosphorus in water samples containing less than 0.37 μg·mL−1 of AsO4 3−. A solution obtained by mixing 6.30 g of Na2 SO3 (1 M), 5.0 ml H2SO4 18 M completed up to 50 ml with deionized distilled water was used to reduce on line As(V) to As(III), using a reactor of 0.30 m. The limit of detection is 0.05584 ± 0.00167 μg·mL−1 P-PO4 3− and sampling frequency is 45 samples per hour. It is a simple and low cost methodology, easily applicable in the determination of phosphorus in samples of water contaminated with arsenate.
      PubDate: 2014-01-01
       
  • Hydrosphere genesis in the isotope record
    • Abstract: Abstract A critical review of hypotheses of the hydrosphere genesis has been performed. It was shown that the natural background of neutrons was insufficient for explaining the hydrosphere enrichment with deuterium. This enabled us to confirm an assumption about the atmophilic genesis of hydrosphere. Enrichment of the protoplanetary cloud matter with deuterium and, probably, lithium, beryllium and boron contributed to the formation of terrestrial planets in the Solar System.
      PubDate: 2014-01-01
       
  • Prospects of electrodischarge methods of treating water systems
    • Abstract: Abstract The article has shown the prospects of using in practice of treating water systems of electrodes-charge methods being one of the priority areas in the field electroenvironmentally friendly technologies thanks to the bactericidal effect and the absence of a need in chemical reagents. The article has determined the necessity of the differential approach when choosing optimal options for electrophysical treatment and disinfection depending on the power of electrical charges and nature of pollutants.
      PubDate: 2014-01-01
       
  • Characteristic of resistance to compounds of chlorine of water
           microorganisms according to cultural-morphological indices
    • Abstract: Abstract The paper has investigated cultural-morphological features of four bacterial isolates separated from drinking tap water and the same water sampled at different stages of its add-on treatment at water treatment facilities of the enterprise of special beverages. It has been found that one bacterial culture appeared the most insensitive to chlorine; its resistance to NaOCl at concentrations 1.4; 3; 5 and 7 mg/dm3 varies within the range 1–98%, while as the other three isolators demonstrated low resilience (0–16%). A parallel was drawn between morphological types of isolated bacterial isolates, their capacity to form a pellicle in the liquid-air interface and resistance to chlorine. A conclusion was made that resistance to rather high concentrations of sodium hypochlorite may be explained by a hypothesis about the connection of resistance and hormesis.
      PubDate: 2014-01-01
       
  • Coefficients of hydrodynamic permeability of porous membranes depending on
           pressure gradient
    • Abstract: Abstract We have conducted investigations of coefficients of hydrodynamic permeability of membranes OPMN-P, MGA-95, MGA-80P, and ESPA1 depending of the gradient of the working pressure in terms of distilled water on a separation cell with flat channels. We have generalized the methodology of assessing an error of experimental data for the coefficients of hydrodynamic permeability of these membranes.
      PubDate: 2014-01-01
       
  • Toxic impact of Escherichia
           coli
    bacteria depending on their content in water on test
           organisms
    • Abstract: Abstract The paper has carried out the analysis of cyto- and genotoxic properties of drinking water containing bacteria of E. coli with the use of test objects and their cells. The paper has shown the expediency of using the methods of biotesting for a complex assessment of qualities of drinking water along with standard methods.
      PubDate: 2014-01-01
       
  • Application of the laccase, produced on coconut flesh by        class="a-plus-plus">Pleurotus florida for dye
           decolorization
    • Abstract: Abstract We investigated the ability of Pleurotus florida to produce laccase on coconut flesh as a solid substrate fermentation. The decolorization of two structurally different dyes such as azo (Reactive Blue 198) and triphenylmethane dye (Malachite Green) were analysed. The decolorization of Reactive blue 198 and Malachite Green at 8 hrs was 93% and 63% respectiely. The untreated and treated dye was characterized by UV-Vis spectral and fourier transform infrared (FTIR) Spectroscopy scan. FTIR analysis pointed out the involvement of alkene (C=C) and carboxylic (C-O) groups in the decolorization process. The toxicity with respect to Allium cepa root inhibition was measured to demonstrate the potential of laccase in the detoxication and bioremediation process.
      PubDate: 2013-11-01
       
  • Electrocoagulation purification of water of Cr       class="a-plus-plus">6+ compounds
    • Abstract: Abstract The process of the electrocoagulation purification of water containing chromium, depending on pH, Cr6+ concentration, ions of metal impurities and ratios Fe2+ : Cr6+ have been investigated. We have found the upper boundary of chromium concentrations (150 mg/dm3) whereby its residual content in water does not exceed MAC for the discharge to the complex of facilities of water disposal. It has been shown that ions of metal impurities present in the water in electrocoagulation are removed together with chromium ions.
      PubDate: 2013-11-01
       
  • Raising the efficiency of water treatment by means of activated carbons
           with improved sorption characteristics
    • Abstract: Abstract Substantiated is the possibility of obtaining new carbon sorbents from anthracite coals of the Donetsk deposit (Ukraine). It is shown that their adsorption ability depends on the physiochemical composition of the initial feedstock and method of treatment. The article emphasized the possibility of obtaining a sorbent having a rational structure of a porous space by way of its multistage activation. The use of such sorbents makes it possible to decrease the specific consumption of activated carbon for water purification in filtering surface waters of the Dnieper River and biologically treated wastewaters of the city of Kiev.
      PubDate: 2013-11-01
       
  • Polyacrylamide derivatives as reagents for purification of waters of U(VI)
           and Cr(VI)
    • Abstract: Abstract The paper has investigated the impact of water-soluble macromolecular polyelectrolytes on the ultra- and nanofiltration process of purification of waters polluted by U(VI) and Cr(VI). Derivatives of polyacrylamide—cationic and anionic Praestols were used as such compounds. The relationship between the degree of extraction of U(VI) and Cr(VI) and the pH and concentration of Praestols was found. It has been shown that when using the latter the maximum retention coefficient of U(VI) both by ultra- and nanofiltration membranes constituted 0.999; the maximum retention coefficient of Cr(VI) by the ultrafiltration membrane—0.65
      PubDate: 2013-11-01
       
  • Selective photometric determination of nickel, cobal, and zinc in drinking
           and natural waters using 1-(2-pyridylazo)-2-naphthol and surfactants (SAS)
           
    • Abstract: Abstract Selective techniques have been developed for determination of nickel, cobalt, and zinc with 1-(2-pyridylazo)-2-napthol in waters with a lower boundary of determinable concentrations 0.01–0.02 mg/dm3. Reactions took place in micellar solutions of nonionic SAS. Selectivity of determination has been achieved thanks to the use of masking substances and a special procedure of mixing components. Iron does not hinder determination at the concentration < 5 mg/dm3.
      PubDate: 2013-11-01
       
 
 
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