Original Research Paper
Electrical Behaviour of Chitosan-Silver Nanocomposite in Presence of Water Vapour

Bal Yadav; Ritesh Kumar; Ravindra Kumar; Subhasis Chaudhuri; Panchanan Pramanik

Volume 2, Issue 2 , April 2017, Pages 71-79

https://doi.org/10.22090/jwent.2017.02.001

Abstract
  This paper presents the synthesis, characterization of the nanocomposite of silver and chitosan polymer composite reinforced by cellulose fibre and its electrical behaviour in presence of water vapour. The coated paper has been characterized by XRD, IR, SEM and EDX techniques. The size of silver nanoparticles ...  Read More

Original Research Paper
Operating Conditions of Coagulation-Flocculation Process for High Turbidity Ceramic Wastewater

Sameer Al-Asheh; Ahmed Aidan

Volume 2, Issue 2 , April 2017, Pages 80-87

https://doi.org/10.22090/jwent.2017.02.002

Abstract
  This work attempted to determine the optimum conditions required for the coagulation and flocculation process as an essential stage of the ceramic wastewater treatment. Coagulation and flocculation is a very necessary step in industries as it lessens turbidity, color, and odor of wastewater. The experimental ...  Read More

Original Research Paper
Novel Adsorptive Mixed Matrix Membrane by Incorporating Modified Nanoclay with Amino Acid for Removal of Arsenic from Water

Elham Shokri; Reza Yegani

Volume 2, Issue 2 , April 2017, Pages 88-95

https://doi.org/10.22090/jwent.2017.02.003

Abstract
  In this work, polysulfone (PSf) mixed matrix membranes were prepared by incorporating modified montmorillonite with lysine amino acid (MMT-Lys) for arsenic removal from water. Different tests including XRD, zeta potential, FE-SEM, contact angle, and pure water flux (PWF) were carried out to characterize ...  Read More

Original Research Paper
Desalination of Kashan City’s Water Using PEBA-Based Nanocomposite Membranes via Pervaporation

Soheill Azadikhah Marian; Morteza Asghari; Zahra Amini

Volume 2, Issue 2 , April 2017, Pages 96-102

https://doi.org/10.22090/jwent.2017.02.004

Abstract
  In this work, performance of composite membranes was investigated for desalination of Kashan city’s water via pervaporation process. PEBA/PAN/PE, PEBA/PSF/PE and PEBA+NaX/PSF/PE composite membranes that used, was synthesized via a phase inversion route. For all experiments under 45◦C, salt rejection ...  Read More

Original Research Paper
Investigations on Green Preparation of Heavy Metal Saponin Complexes

Maher Abed el Aziz; Aziza Ashour; Hewaida Madbouly; Al Sadek Melad; Khald El Kerikshi

Volume 2, Issue 2 , April 2017, Pages 103-111

https://doi.org/10.22090/jwent.2017.02.005

Abstract
  Green preparation of heavy metal saponin complexes has been successfully optimized by direct combination between crude extract of Olea Europaea and Citrus Aurantium with divalent heavy metals, Pb2+ and Cd2+. The main operating factors affecting preparation process were investigated and evaluated in terms ...  Read More

Original Research Paper
Silica-Supported Copper Oxide Nanoleaf with Antimicrobial Activity Against Escherichia Coli

Mohammad Ghorbanpour; Mohsen Moghimi; Samaneh Lotfiman

Volume 2, Issue 2 , April 2017, Pages 112-117

https://doi.org/10.22090/jwent.2017.02.006

Abstract
  In this research, a simple and fast method was employed to synthesize CuO nanoleaves/silica gel nanocomposites (CuO/SGn), which is a cost effective antimicrobial material. CuSO4.5H2O is the only raw material used in CuO/SGn production through the molten salt method. The structure and morphology of the ...  Read More

Original Research Paper
Methylene Blue Removal Using Surface-Modified TiO2 Nanoparticles: A Comparative Study on Adsorption and Photocatalytic Degradation

Asadollah Mohammadi; Ali Aliakbarzadeh Karimi

Volume 2, Issue 2 , April 2017, Pages 118-128

https://doi.org/10.22090/jwent.2017.02.007

Abstract
  This study describes the adsorption and photocatalytic removal of  methylene blue (MB) from aqueous solution by surface-modified TiO2 nanoparticles under ultraviolet irradiation in a batch system. The 5-sulfosalicylic acid grafted TiO2 (5-SA-TiO2) as a photocatalyst was characterized by means of ...  Read More

Original Research Paper
Removal of Reactive Red 198 by Nanoparticle Zero Valent Iron in the Presence of Hydrogen Peroxide

Siroos Shojaei; Somaye Khammarnia; Saeed Shojaei; Mojtaba Sasani

Volume 2, Issue 2 , April 2017, Pages 129-135

https://doi.org/10.22090/jwent.2017.02.008

Abstract
  Although dyes are widely used in textile industries, they are carcinogenic, teratogenic and mutagenic. Industries discharge their wastewater containing a variety of colors into water resources and make harmful effect on the environment. The present study aims to Evaluate removal of reactive red 198 by ...  Read More