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  Subjects -> ENGINEERING (Total: 2166 journals)
    - CHEMICAL ENGINEERING (185 journals)
    - CIVIL ENGINEERING (168 journals)
    - ELECTRICAL ENGINEERING (93 journals)
    - ENGINEERING (1171 journals)
    - ENGINEERING MECHANICS AND MATERIALS (356 journals)
    - HYDRAULIC ENGINEERING (55 journals)
    - INDUSTRIAL ENGINEERING (57 journals)
    - MECHANICAL ENGINEERING (81 journals)

CHEMICAL ENGINEERING (185 journals)                  1 2     

AATCC Journal of Research     Full-text available via subscription   (Followers: 3)
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials     Hybrid Journal   (Followers: 4)
Acta Polymerica     Hybrid Journal   (Followers: 6)
Additives for Polymers     Full-text available via subscription   (Followers: 20)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 5)
Advanced Chemical Engineering Research     Open Access   (Followers: 9)
Advanced Powder Technology     Hybrid Journal   (Followers: 16)
Advances in Applied Ceramics     Partially Free   (Followers: 3)
Advances in Chemical Engineering     Full-text available via subscription   (Followers: 17)
Advances in Chemical Engineering and Science     Open Access   (Followers: 24)
Advances in Polymer Technology     Hybrid Journal   (Followers: 11)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 5)
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: 10)
Anti-Corrosion Methods and Materials     Hybrid Journal   (Followers: 5)
Applied Petrochemical Research     Open Access   (Followers: 3)
Asia-Pacific Journal of Chemical Engineering     Hybrid Journal   (Followers: 6)
Biochemical Engineering Journal     Hybrid Journal   (Followers: 9)
Biofuel Research Journal     Open Access   (Followers: 1)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 6)
BMC Chemical Biology     Open Access   (Followers: 4)
Brazilian Journal of Chemical Engineering     Open Access   (Followers: 3)
Bulletin of the Chemical Society of Ethiopia     Open Access   (Followers: 2)
Carbohydrate Polymers     Hybrid Journal   (Followers: 9)
Catalysts     Open Access   (Followers: 8)
Chemical and Engineering News     Free   (Followers: 6)
Chemical and Materials Engineering     Open Access   (Followers: 1)
Chemical and Petroleum Engineering     Hybrid Journal   (Followers: 10)
Chemical and Process Engineering     Open Access   (Followers: 4)
Chemical and Process Engineering Research     Open Access   (Followers: 6)
Chemical Communications     Full-text available via subscription   (Followers: 31)
Chemical Engineering & Technology     Hybrid Journal   (Followers: 25)
Chemical Engineering and Processing: Process Intensification     Hybrid Journal   (Followers: 10)
Chemical Engineering and Science     Open Access   (Followers: 3)
Chemical Engineering Communications     Hybrid Journal   (Followers: 10)
Chemical Engineering Journal     Hybrid Journal   (Followers: 23)
Chemical Engineering Research and Design     Hybrid Journal   (Followers: 19)
Chemical Engineering Research Bulletin     Open Access   (Followers: 1)
Chemical Engineering Science     Hybrid Journal   (Followers: 17)
Chemical Geology     Hybrid Journal   (Followers: 10)
Chemical Papers     Hybrid Journal   (Followers: 3)
Chemical Product and Process Modeling     Hybrid Journal   (Followers: 3)
Chemical Reviews     Full-text available via subscription   (Followers: 166)
Chemical Society Reviews     Full-text available via subscription   (Followers: 33)
Chemical Technology     Open Access   (Followers: 5)
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: 145)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 6)
ChemSusChem     Hybrid Journal   (Followers: 8)
Chinese Chemical Letters     Full-text available via subscription   (Followers: 2)
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: 8)
CORROSION     Full-text available via subscription   (Followers: 3)
Corrosion Engineering, Science and Technology     Hybrid Journal   (Followers: 22)
Corrosion Reviews     Hybrid Journal   (Followers: 4)
Crystal Research and Technology     Hybrid Journal   (Followers: 2)
Current Opinion in Chemical Engineering     Open Access   (Followers: 3)
Education for Chemical Engineers     Hybrid Journal   (Followers: 4)
Ekologia : The Journal of Institute of Landscape Ecology of Slovak Academy of Sciences     Open Access  
Eksergi     Open Access  
Emerging Trends in Chemical Engineering     Full-text available via subscription  
European Polymer Journal     Hybrid Journal   (Followers: 43)
Fibers and Polymers     Full-text available via subscription   (Followers: 3)
Fluorescent Materials     Open Access  
Focusing on Modern Food Industry     Open Access   (Followers: 3)
Frontiers of Chemical Science and Engineering     Hybrid Journal   (Followers: 1)
Gels     Open Access  
Geochemistry International     Hybrid Journal  
Handbook of Powder Technology     Full-text available via subscription   (Followers: 3)
Heat Exchangers     Open Access   (Followers: 1)
High Performance Polymers     Hybrid Journal  
Indian Chemical Engineer     Hybrid Journal   (Followers: 3)
Indian Journal of Chemical Technology (IJCT)     Open Access   (Followers: 11)
Industrial & Engineering Chemistry     Full-text available via subscription   (Followers: 9)
Industrial & Engineering Chemistry Research     Full-text available via subscription   (Followers: 20)
Industrial Chemistry Library     Full-text available via subscription   (Followers: 4)
Info Chimie Magazine     Full-text available via subscription   (Followers: 2)
International Journal of Chemical and Petroleum Sciences     Open Access   (Followers: 1)
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: 4)
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  
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: 5)
Journal of Chemical Engineering & Process Technology     Open Access   (Followers: 3)
Journal of Applied Crystallography     Hybrid Journal   (Followers: 4)
Journal of Applied Electrochemistry     Hybrid Journal   (Followers: 12)
Journal of Applied Polymer Science     Hybrid Journal   (Followers: 130)
Journal of Biomaterials Science, Polymer Edition     Hybrid Journal   (Followers: 8)
Journal of Bioprocess Engineering and Biorefinery     Full-text available via subscription  

        1 2     

Journal Cover   Journal of Water Chemistry and Technology
  [SJR: 0.19]   [H-I: 5]   [7 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  [2291 journals]
  • Variation of the composition of Naftusya-type bottled medicinal mineral
           water from the Zbruchanske deposit during its long-term storage
    • Abstract: Abstract Abstract—Results of long term investigations of the Naftusya type medicinal mineral water from the Zbruchanske deposit dealing with variations of its the main indicator (organic carbon content) under conditions of its storage in glass and polyethylene terephthalate (PET) bottle are presented. It has been found out that the storage of mineral water in PET containers results in intense decomposition of medicinal organic substances in water and only 6 months later the organic carbon concentration drops below the specified norm. The mineral water preserves its medicinal properties for up to one year if it is stored in glass bottles.
      PubDate: 2015-05-01
       
  • Desorption of cesium from the surface of montmorillonite-humic acids and
           montmorillonite-iron hydroxide systems
    • Abstract: Abstract The paper has investigated the impact of the nature and concentration of desorbing reagents NH4Cl, (NH4)2Ox, NH4H2Cit, (NH4)2HCit and FeCl3 on washing of cesium ions from model clayey montmorillonite humic acids and montmorillonite iron (III) hydroxide systems. By their desorbing abili ty 0.1 M solutions of ammonium salts are arranged in the series: NH4Cl < NH4H2Cit < (NH4)2Ox < (NH4)2HCit. Also rather effective are 0.01 M solutions of FeCl3 in which along with autodesorption by ions Fe3+, FeOH2+ and Fe(OH)2 + the desorption process also involves H+ (pH 2.3) ions.
      PubDate: 2015-05-01
       
  • Reactant purification of wastewaters of ammonium compounds
    • Abstract: Abstract The article has investigated the process of removing ammonium ions from aqueous solutions by their deposition in the form of a valuable complex of mineral fertilizer—struvite. It has been found out that when using as a source of Mg2+ ions of magnesium oxide optimal are the initial value of the pH of the reaction medium 5.9–6.7 and the ratio NH4 +: PO4 3–: Mg2+ = 1: 1.7: 1.7. Testing of the obtained results on the filtrate of the Kiev Dumping Ground no. 5 demonstrated that when using chosen conditions ammonium compounds are removed by more than 96%. The study of kinetic regularities of the reaction made it possible to establish that it is determined by the equation of the reaction of the third order.
      PubDate: 2015-05-01
       
  • Inactivation of Candida Albicans in the UV/TiO 2 /Fe 3+ system
    • Abstract: Abstract The article has investigated the process of photocatalytic water deactivation of the microscopic fungus Candida albicans. We have determined optimal values of pH, established the impact of the concentration of the catalyst in the solution on the degree of inactivation of the culture. We have investigated the impact of the UV/TiO2/Fe3+ on inactivation and reparation of the culture Candida albicans
      PubDate: 2015-05-01
       
  • Species identification of water microorganisms resistant to chlorine
           compounds
    • Abstract: Abstract Abstract—Morphological cultural features of three dominant bacterial cultures isolated from the drinking tap water and water samples taken at different stages of its post treatment at the water conditioning plant of special drink enterprise have been studied. The species composition of separated bacterial isolates was analyzed in terms of 16S rRNA gene sequences. The following bacterial species were identified: Bacillus nanhaiensis, Brevibacterium frigoritolerans, and Lysinibacillus fusiformis. Lysinibacillus fusiformis species was found to be the most resistant to chlorine. Its resistance to NaOCl at concentrations 1.4, 3, 5, and 7 mg/dm3 varies in the range 1–98% (with the exposure duration varying from 5 to 60 min), while the remaining two isolates, Bacillus nanhaiensis and Brevibacterium frigoritolerans, showed low survival rate in the presence of NaOCl (0–16%).
      PubDate: 2015-05-01
       
  • Photoelectrochemical advanced oxidation processes on nanostructured TiO 2
           catalysts: Decolorization of a textile azo-dye
    • Abstract: Abstract This work describes a novel approach for water treatment by photoelectrocatalysis, based on nanostructured TiO2. The decolorization of aqueous solutions containing the azo dye RR243 is carried out in a tubular photocatalytic reactor working in semi batch mode under electrical polarization of the catalyst. Two different nanostructured catalysts were tested: nanotubular TiO2 obtained by conventional anodization (CA), and a novel photoactive nanoporous TiO2 obtained by plasma electrolytic oxidation (PEO). Neither UV irradiation of the TiO2 catalysts nor the electrical bias individually considered lead to a significant reduction of the dye concentration. By irradiating the catalysts with UVC light while applying an electrical bias to the same, the concentration of the dye decreased from 25 L to 2.5 mg/L using the nanotubular CA TiO2 catalyst, and to less than 1.8 mg/L using the novel nanoporous PEO TiO2 in 50 min. The main advantages of this method over current approaches for the degradation of pollutants are both the considerable processing time reduction and a suitable and easy to scale up reactor design. A further advantage is the relatively easyness in the production of the TiO2 catalysts by PEO.
      PubDate: 2015-05-01
       
  • Impact of the dye molecule charge on recovery of concentrated salt
           solution from wastewaters containing dyes by nanofiltration
    • Abstract: Abstract The article has investigated restoration of the concentrated salt solution from wastewaters of the dye bath for its repeated use in textile industry. We have detected structural and electrostatic influence of dye molecules on retention of the dye and restoration of concentrated salt solution by the method of nanofiltration. Dyes containing sulfated and carboxylated functional groups with a different charge and molecular weight were used. Obtained experimental data are interpreted on the basis of electrostatic interaction between charged molecules of the dye and the membrane charge
      PubDate: 2015-05-01
       
  • The use of cryoscopy method for determination of freezing temperature of
           waters having different content of deuterium
    • Abstract: Abstract Using the method of cryoscopy we determined the freezing temperature of light water with D/H= 4.2 ppm, 18O/16O = 910 ppm. It was found that light water freezes at the above zero temperature (0.3 ± 0.1°C) irrespective of cooling rate. It is shown that light water begins to freeze only at an overcooled metastable state. Under conditions of experiment the nucleation and growth of dendrite crystals of ice depends on the cooling rate and starts at the temperature −5.3; −8.8; −9.8 ± 0.1°C at the average cooling rate respectively 0.2; 0.3; 0.5°C·min−1. It is shown than in usual water the growth of dendrite ice crystals starts at minus temperature (−6.4;−7.5; −8.8 ± 0.1°C) and increases with an increase of the average cooling rate respectively from 0.2 to 0.6°C·min−1. It was found that the initial freezing temperature of heavy water constituted −3.0− −4.0 ± 0.1° at the rate of its cooling 0.2−1.0°C·min−1. However in this case the freezing temperature of normal and heavy waters does not depend on the cooling rate and freezing of normal and heavy waters and according to reference data constitutes respectively 0.1 ± 0.1 and 3.9 ± 0.1°C.
      PubDate: 2015-05-01
       
  • Removal of Mn(II) compounds from water in electrodialysis desalination
    • Abstract: Abstract The article has studied the influence of the nature of background electrolyte on kinetics of removal of Mn(II) ions from model solutions in the course of electrodialysis desalination. The possibility of deep removal of manganese from different types of waters until MAC for drinking water (0.05 mg/dm3) at the initial concentration of manganese 3–5 mg/dm3 has been shown. It has been proposed the use of additives of antiscalant ACUMER 2200 in chambers of concentration of electrodialysis unit for preventing deposition of barely soluble manganese compounds on the giving up surface of anon exchange membranes under conditions of strict concentration polarization.
      PubDate: 2015-05-01
       
  • Determination of toxic metals in water of Lahore canal by atomic
           absorption spectroscopy
    • Abstract: Abstract Present study describes the atomic absorption Spectro-photometric determination of metals (Ni, Cr, Zn, Fe, As & Cu) in the surface water of Lahore canal passing through the center of Lahore (city) Pakistan. Analysis showed that month wise average Ni, Zn and As concentrations lies within the National Environmental Quality Standards limits for these metals as designed by Environmental protection agency Pakistan, while Cr, Fe and Cu showed marked rise in their month wise average concentrations from their limiting values.
      PubDate: 2015-03-01
       
  • Triumph of science—Production and use of genetically safe drinking
           water
    • PubDate: 2015-03-01
       
  • Water and other substances, which expand upon solidification
    • Abstract: Abstract The article has considered physical and crystallographic properties of substances, which expand in crystallization. It has also proposed explanation of manifestation of these properties in the formation of the crystalline lattice of a special type—hexagonal, cubic or tetrahedral with corresponding changes of the length and angles of interatomic and intermolecular bonds. The hexaoctahedral structure of crystals for such substances is the most characteristic. An assumption was expressed that existing impurities in the form of HDO and others may serve as seeding or stabilizers of certain crystalline structures.
      PubDate: 2015-03-01
       
  • Water purification of dyes by ceramic membranes modifed by Fe 3+
           hydroxocompounds
    • Abstract: Abstract The article demonstrated high efficiency (up to 99.9%) of water purification of cationic and direct dyes at certain values of the pH by pipe ceramic membranes modified by Fe3+ hydrooxycomplexes. It has been found that the change of the pH of solutions substantially affects specific capacity of such membranes.
      PubDate: 2015-03-01
       
  • Investigation of regularties in formation of porous ice
    • Abstract: Abstract The article gives experimental data on the rate of water freezing and formation of cylindrical and spherical gas inclusions appearing in ice during cooling of water, which is in equilibrium with the atmosphere. Proposed are theoretical models describing changes of the aggregate state of water, concentration of gas and formation of porous ice. The article also analyzed the shape and size of appearing gas inclusions.
      PubDate: 2015-03-01
       
  • Flotation recovery of rare-earth metal compounds from dilute aqueous
           solutions
    • Abstract: Abstract The possibility of flotation extraction of lanthanum and cerium (III) compounds from diluted sulfate solutions was shown by using finely dispersed solid solutions of different radical phosphine oxide in paraffin. Optimal conditions for conducting the flotation have been determined. The effect of electrolyte additions on the process efficiency was studied. In addition, the mechanism of interaction of rare earth metal compounds with flotation collector was proposed.
      PubDate: 2015-03-01
       
  • Removal and inactivation of virus by drinking water treatment in the
           presence of bromide or iodide
    • Abstract: Abstract The inactivation of virus in raw water was conducted in a continuous flow pilot scale system. Coliphage MS2 was used as model organism for human enteric virus. The effect of disinfection technologies (single or combined process of ozonation and chlorination) and interfering substances (bromide or iodide) on inactivation of virus, and the removal performance of virus in raw water by the pilot scale system (Train A and B) were investigated. The results indicated that bromide or iodide in water was detrimental to ozonation but beneficial to chlorination for virus inactivation. After bromide or iodide was added, the removal of MS2 by ozonation unit was much lower than before (p < 0.01), the removal of MS2 by chlorination unit was significantly higher than before (p < 0.05). Both Train A and B could remove and inactivate MS2 in raw water completely even at high concentration of bromide (675.24 μg/dm3) and iodide (52.33 μg/dm3). The processes of Train A and B can effectively guarantee the virological safety of drinking water.
      PubDate: 2015-03-01
       
  • Modeling processes of sorption of U(VI) based on regularities of kinetics
           of reactions in solutions
    • Abstract: Abstract The article has investigated sorption of U(VI) by layered zinc and aluminum hydroxides containing in the interlayer space ions of carbonate or diethylenetriamine pentaaceatate. It has been found that absorption rate of U(VI) is proportional to its concentration in the solution and the content of free active centers of the sorbent. The rate constant at 20°C referred to concentrations in the solution of U(VI) and active centers of investigated sorbents constitute respectively 163 and 238 M−1 · min−1. The proposed method of studying sorption kinetics is compared with the known concept of reactions of the pseudo second order.
      PubDate: 2015-03-01
       
  • Dispersive liquid-phase microextraction for determination of phthalates in
           water
    • Abstract: Abstract A technique for phthalate extraction from water samples has been proposed. This technique is based on the preconcentration of target substances using the dispersive liquid-phase microextraction with subsequent determination of these substances using a gas chromatograph with flame ionization detector. Under the optimal conditions of microextraction (involving 0.25 cm3 of acetonitrile and 0.05 cm3 of chloroform in 10% NaCl solution for water sample volume of 8 cm3) concentration factors of phthalates amount to 360–393 at their extraction degree of 91–98%, while the detection limit can reach 3–8 μg/dm3. The proposed technique is characterized by a high accuracy and reproducibility.
      PubDate: 2015-03-01
       
  • The latest unique achievements in science on water
    • PubDate: 2015-02-01
       
  • Application potential of boron-selective sorbents of different nature for
           water conditioning in terms of the boron content
    • Abstract: Abstract Comparative investigations of water conditioning in terms of the boron content under dynamic conditions have been performed using synthetic organic sorbents (Amberlite IRA-743 and SB-1) and inorganic sorbent (hydrated zirconium dioxide). Sorbent Amberlite IRA-743 of N-methyl-glucamine type was shown to be the most promising for boron extraction and the disposal of regenerating solutions aimed at preventing their harmful effect on the environment. A significant rise of the efficiency of boron sorption from the real water of the Black Sea using this sorbent as compared to the boron sorption from the solution modeling the permeate of reverse osmosis plants has been detected that is determined by the salting-out effect of Mg2+ ions present in sea water on the sorption process.
      PubDate: 2015-02-01
       
 
 
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