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  Subjects -> ENGINEERING (Total: 1948 journals)
    - CHEMICAL ENGINEERING (149 journals)
    - CIVIL ENGINEERING (148 journals)
    - ELECTRICAL ENGINEERING (81 journals)
    - ENGINEERING (1114 journals)
    - HYDRAULIC ENGINEERING (45 journals)
    - INDUSTRIAL ENGINEERING (52 journals)
    - MECHANICAL ENGINEERING (74 journals)

CHEMICAL ENGINEERING (149 journals)                  1 2     

ACS Combinatorial Science     Full-text available via subscription   (Followers: 8)
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: 19)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 4)
Advanced Chemical Engineering Research     Open Access   (Followers: 8)
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: 11)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 2)
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: 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: 28)
Chemical Engineering & Technology     Hybrid Journal   (Followers: 24)
Chemical Engineering and Processing: Process Intensification     Hybrid Journal   (Followers: 10)
Chemical Engineering and Science     Open Access   (Followers: 2)
Chemical Engineering Communications     Hybrid Journal   (Followers: 10)
Chemical Engineering Journal     Hybrid Journal   (Followers: 18)
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: 261)
Chemical Society Reviews     Full-text available via subscription   (Followers: 27)
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: 175)
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: 6)
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: 4)
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: 163)
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: 15)
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  
Journal of Industrial and Engineering Chemistry     Hybrid Journal   (Followers: 1)
Journal of Information Display     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  [2210 journals]   [SJR: 0.134]   [H-I: 3]
  • Adaptation of water quality index (       class="a-plus-plus">WQI) for groundwater quality
           assessment near the landfill site
    • Abstract: Abstract In this paper the level of groundwater contamination near the municipal landfill site is examined. A modified WQI was used to determine the change in groundwater quality. A total of 127 groundwater samples were analyzed for pH, EC, PAH, TOC, Pb, Cu, Cd, Cr, Zn, Hg. The mean value of the WQI for groundwater outflow from the landfill was 8.01, which means a very high landfill impact. Most contaminated water was in piezometers P2 and P3 located to the east from the landfill border with the WQI value of 9.12 and 10.48, respectively. The WQI in the P1 piezometer, situated to the north-west of the landfill reached a value of 4.41. The highest WQI value in analyzed water was recorded in summer (mean: 10.59); the lowest in March (mean: 4.57). The trend line equation point to a stabilizing water quality in P1 and P2 and a growing trend in P3.
      PubDate: 2014-05-01
  • Impact of polyethyleneimine on utrafiltration extraction of Cr(VI) from
           contaminated waters
    • Abstract: Abstract The paper has investigated the possibility of using polyethylenimine with different molecular weight for purification of polluted water of Cr(VI) by the method of ultrafiltration. The paper has determined the impact of the pH of the medium, concentration, and molecular weight of polyethylenimine on the degree of removing Cr(VI) from waters containing chromium. Efficiency of water purification of Cr(VI) virtually does not depend on the molecular weight of polyethylenimine used.
      PubDate: 2014-05-01
  • The efficiency of municipal wastewater treatment with the reconstructed
           activated sludge method
    • Abstract: Abstract Centralized wastewater treatment policy is a common challenge in Hungary. With the recent technology improvement of the Debrecen Wastewater Treatment Plant, the original activated sludge function system’s maximum load is doubled, making it able to treat the effluents of 7 settlements total. The introduced new technical constructions however required strict attention to be successfully integrated into the existing system. Retrofitting the overall processes caused disturbances affecting certain parameters in the biological treatment, thus modifying water quality of the effluent. Our experiments had aimed to control the performance of the plant after the reconstruction during test phase for more than a year period. It has been found that a slight increase of removal efficiency was achieved in the observed parameters of COD, BOD5, TP, SS, while TN remained in a moderate degree of enhancement. Retention effectiveness has begun to escalate significantly after a year of operation.
      PubDate: 2014-05-01
  • Removal of chloromethanes from water by the method of vapor-phase
    • Abstract: Abstract The paper has studied the removal of chloromethanes from aqueous media by the method of vapor-phase extraction. Acetonitrile, ethoxyethane, and hexane were used as extractants. Using the removal from aqueous solutions of methylene chloride, chloroform, and carbon tetrachloromethane as an example it was found that vapor-phase extraction was more effective than gas one. The flow-chart for the removal of chloromethanes from polluted waters by vapor-phase extraction in the flowing mode of the closed cycle for using an extractant has been proposed.
      PubDate: 2014-05-01
  • Adsorption of copper ions by carbon adsorbents modified by phosphoric acid
           at different temperatures
    • Abstract: Abstract The article has investigated adsorption of copper ions by activated carbons from coconuts at different temperatures (400–900°C). Adsorption of copper ions was studied at different values of the pH and initial concentrations. It has been shown that an increase of temperature of modifying carbon results in a growth of the degree of copper extraction. It has also been detected that the presence of albumin in the solution does no affect the degree of copper extraction.
      PubDate: 2014-05-01
  • Isotope osmosis—Osmotic transfer of water isotopologues through the
           polymer membrane in the course of direct osmosis
    • Abstract: Abstract The article has investigated osmosis transfer through a polymer semi-permeable membrane of water having a different concentration of deuterium in the course of direct osmosis. For the first time osmosis transfer of water isotopologues—deuterium and oxygen 18—through the polymer semi-permeable membrane separating light and heavy water has been detected. The article presents results indicating that isotope osmosis suppresses osmotic stream existing owing to different concentration of chemical components dissolved in light and heavy waters.
      PubDate: 2014-05-01
  • Photolysis of waters with the different isotope composition
    • Abstract: Abstract The article has investigated features of changes of physicochemical properties of water with the different isotope composition after its photolysis under the effect of radiation by a quartz argon-mercury low-pressure lamp (DRB-20) at the wavelength 185 nm. Results of experiments on photolysis of light, high-resistance, and heavy water are an evidence that light water in great measure is subjected to photocatalytic decomposition at radiation compared with high-resistance and heavy waters, which is determined, in the first place, by less strength of its hydrogen bond.
      PubDate: 2014-05-01
  • Reactive Red 120 dye removal from aqueous solution by adsorption on
    • Abstract: Abstract The adsorption of Reactive Red 120 dye from aqueous solutions by using nano-alumina has been investigated. The batch adsorption studies were carried out to determine the impact of pH, contact time, concentration of dye, and the adsorbent dose on adsorption process. The maximum adsorption efficiency was observed at pH 3. However with an increase of the adsorbent dose, the dye removal efficiency increased, while the amount of dye adsorbed per unit mass (mg/g) decreased. A pseudo-second-order model best described the adsorption kinetics of the specified dye onto nano-alumina. In this case the Langmuir isotherm model appeared to be most suitable. Findings of the present study reveal that nano-alumina can be an effective adsorbent for the removal of Reactive Red 120 from aqueous solutions.
      PubDate: 2014-05-01
  • Removal of toxic metals from aqueous solutions by layered double
    • 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
    • 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
    • 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
    • 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
  • 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
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