Original Research Paper
Phytofabrication of fluorescent silver nanoparticles from Leucaena leucocephala L. leaves and their biological activities

Suresh Ghotekar; Ajay Savale; Shreyas Pansambal

Volume 3, Issue 2 , April 2018, Pages 95-105

https://doi.org/10.22090/jwent.2018.02.001

Abstract
  The aim of this study was to expand an ecofriendly route for the fabrication of spherical shape silver nanoparticles (AgNPs) using an aqueous extract of Leucaena leucocephala L. leaves to act as stabilizing and reducing agent. Several biomolecules present in plant extract are accountable for single step ...  Read More

Original Research Paper
Plant- mediated biosynthesis of Silver nanoparticles from Gymnema sylvestre and their use in phtodegradation of Methyl orange dye

Shirish Sadashiv Pingale; Shobha Vasant Rupanar; Manohar Chaskar

Volume 3, Issue 2 , April 2018, Pages 106-115

https://doi.org/10.22090/jwent.2018.02.002

Abstract
  The present study reports one step green synthesis of silver nanoparticles using Gymnema sylvestre aqueous extract at room temperature and their usage in the photodegradation of methyl orange dye. The silver nanoparticles are synthesized using an aqueous extract of stem and root of Gymnema sylvestre. ...  Read More

Original Research Paper
Photocatalytic degradation of organic dyes pollutants in the industrial textile wastewater by using synthesized TiO2, C-doped TiO2, S-doped TiO2 and C,S co-doped TiO2 nanoparticles

Elsayed Talat Helmy; Ahmed El Nemr; Mahmoud Mousa; Esam Arafa; Shady Eldafrawy

Volume 3, Issue 2 , April 2018, Pages 116-127

https://doi.org/10.22090/jwent.2018.02.003

Abstract
  This paper describes the photocatalytic degradation of Reactive Blue 19 (RB-19) and Reactive Red 76 (RR-76) dyes pollutant in the industrial wastewater using TiO2, C-doped TiO2(C-TiO2), S-doped TiO2 (S-TiO2) and C,S co-doped TiO2 (C,S-TiO2)nanoparticles as photocatalysts, which were synthesized via sol-gel ...  Read More

Original Research Paper
Effects of operating parameters in sweeping gas membrane distillation process: Numerical simulation of Persian Gulf seawater desalination

Morteza Asghari; Mostafa Dehghani; Hossein Riasat Harami; Amir Hossein Mohammadi

Volume 3, Issue 2 , April 2018, Pages 128-140

https://doi.org/10.22090/jwent.2018.02.004

Abstract
  In this communication, an advanced, simultaneous mass and heat transfer model has been developed to take a meticulous glance on the influences of different parameters on Persian Gulf seawater desalination using Sweeping Gas Membrane Distillation (SGMD) technique. This essay focuses on the increasing ...  Read More

Original Research Paper
On tailored synthesis of nano CaCO3 particles in a colloidal gas aphron system and evaluating their performance with response surface methodology for heavy metals removal from aqueous solutions

Hossein Mohammadifard; Mohammad C. Amiri

Volume 3, Issue 2 , April 2018, Pages 141-149

https://doi.org/10.22090/jwent.2018.02.005

Abstract
  Heavy metals pollution in the environment is one of the serious problems in the field of water and wastewater management. In this study; calcium carbonate nanoparticles, synthesized by an efficient and novel method, were used as an adsorbent for the removal of lead and iron from aqueous solutions. To ...  Read More

Original Research Paper
Modification of natural zeolite for effective removal of Cd(II) from wastewater

Taher Yousefi; Hamid Raza Moazami; Hamid Reza Mahmudian; Meisam Torab-Mostaedi; Mohammad Ali Moosavian

Volume 3, Issue 2 , April 2018, Pages 150-156

https://doi.org/10.22090/jwent.2018.02.006

Abstract
  In the current research work the Iranian natural zeolite (clinoptililite) was modified with Cobalt Hexacyanoferrate nanopatricles. The natural and Cobalt Hexacyanoferrat modifed zeolites were characterized by FTIR and SEM techniques  and were empolyed as an adsorbent for removal Cd(II) ions from ...  Read More

Original Research Paper
Optimization of process variables by response surface methodology for methylene blue dye removal using Spruce sawdust/MgO nano-biocomposite

Seyed Hassan Sharifi; Hassan Shoja

Volume 3, Issue 2 , April 2018, Pages 157-172

https://doi.org/10.22090/jwent.2018.02.007

Abstract
  The purpose of this investigation is to study the influence of Spruce sawdust (SD) coated by magnesium oxide (MgO) nanoparticles in the removing of methylene blue (MB) from an aqueous solution which is in a batch system. The adsorbent was characterized by FTIR, FE-SEM, BET and XRD analysis. The high ...  Read More

Original Research Paper
Evaluation and synthesis of Nano-pore Hydroxysodalite (HS) zeolite membranes: Application to pervaporation of Ethanol/water mixture

Mansoor Kazemimoghadam; Zahra Amiri Rigi

Volume 3, Issue 2 , April 2018, Pages 173-190

https://doi.org/10.22090/jwent.2018.02.008

Abstract
  Effect of crystallization time and temperature on the membrane structure and performance has been investigated for Nano-pore Hydroxysodalite (HS) zeolite membranes. Molar composition of the starting gel of the HS zeolite membranes were: SiO2/Al2O3=1.0-5.0, Na2O/Al2O3=15-65, and H2O/Al2O3=500-1500. X-ray ...  Read More