Investigation of Dip-Coating Parameters Effect on The Performance of Alumina-Polydimethylsiloxane Nanofiltration Membranes for Desalination

Mohammad Hadi Yousefi; Mohamad Mehdi Zerafat; Majid Shokri Doodeji; Samad Sabbaghi

Volume 2, Issue 4 , October 2017, , Pages 235-242

https://doi.org/10.22090/jwent.2017.04.002

Abstract
  The objective of this work is to investigate the effect of dip-coating parameters on the performance of Alumina-PDMS hybrid nanofiltration membranes for water desalination. Ceramic supports used in this work were prepared with a 340 nm average pore size and 34% total porosity. The aim is to determine ...  Read More

Influence of membrane morphology on humic acid removal behavior of adsorptive membrane by embedding modified montmorillonite

Elham Shokri; Reza Yegani

Volume 4, Issue 4 , October 2019, , Pages 275-284

https://doi.org/10.22090/jwent.2019.04.002

Abstract
  In this study the efficiency of two different morphologies of polysulfone adsorptive membranes was examined for the humic acid removal from contaminated water. Adsorptive membranes with finger-like and sponge-like pore structures were prepared using modified montmorillonite with amino acid. Structure ...  Read More

Se doped ZnO nanoparticles with improved catalytic activity in degradation of Cholesterol

Bhavani Nenavathu; Aarti Sharma; Raj Kumar Dutta

Volume 3, Issue 4 , October 2018, , Pages 289-300

https://doi.org/10.22090/jwent.2018.04.002

Abstract
  Pristine and Se doped ZnO nanoparticles (NPs) were successfully synthesized by thermo-mechanical method and their structural, morphological and optical properties are characterized. Here in, a series of experiments were carried out where cholesterol is treated with same concentration of Pristine as well ...  Read More

Predictions of the adsorption equilibrium of CO2/O2 mixture on multi-walled carbon nanotube using Ideal Adsorbed Solution Theory

Soodabeh Khalili; Ali Asghar Ghoreyshi; Mohsen Jahanshahi; Behnam khoshandam

Volume 1, Issue 1 , July 2016, , Pages 9-17

https://doi.org/10.7508/jwent.2016.01.002

Abstract
  Multiwalled carbon nanotubes (MWCNT) were found to be an effective separation media for purifing CO2 from O2.  Significant uptakes of CO2 and O2 were measured at 288 K, 298K and 308 K over the pressure range of 1 to 40 bar using volumetric method in dual sorption vessels. The same shape of isotherms ...  Read More

A comparative study for the electrochemical regeneration of adsorbents loaded with methylene blue

Ines Bouaziz; Morched Hamza; Ridha Abdelhedi; André Savall; Karine Groenen Serrano

Volume 2, Issue 1 , January 2017, , Pages 17-25

https://doi.org/10.7508/jwent.2017.01.003

Abstract
  The electrochemical regeneration of methylene blue-saturated activated carbon, Nyex®1000 and sawdust has been studied and the performances in terms of capacity of adsorbent regeneration have been compared in this work. The adsorption isotherms were investigated. The results showed that the adsorption ...  Read More

Evaluation of Chitosan Nanoparticles Effects on Yield and Yield Components of Barley (Hordeum vulgare L.) under Late Season Drought Stress

Faride Behboudi; Zeinolabedin Tahmasebi Sarvestani; Mohamad Zaman Kassaee; Seyed Ali Mohamad Modares Sanavi; Ali Sorooshzadeh; Seyed Badreddin Ahmadi

Volume 3, Issue 1 , January 2018, , Pages 22-39

https://doi.org/10.22090/jwent.2018.01.003

Abstract
  As a step towards the profitable employment of nanoparticles (NPs) in agriculture, effects of chitosan NPs was probed on barley plants under late season drought stress. A factorial experiment was performed based on a randomized complete block design with three replications. The experimental factors included ...  Read More

Novel and ecofriendly synthesis of Ag-TiO2-G photocatalyst and investigate the effect of graphene in photodegradation of an organic pollutant in water

Farnosh Tavakoli; Alireza Badiei; Jahan Bakhsh Ghasemi

Volume 4, Issue 1 , January 2019, , Pages 31-39

https://doi.org/10.22090/jwent.2019.01.003

Abstract
  In this paper, Ag-TiO2-Graphene (Ag-TiO2-G) photocatalyst is synthesized via an economic and green rout. Pranus Cerasus is applied as a green reducing agent due to the presence of anthocyanin pigment. The anthocyanin molecules are responsible for the red color of the prunus cerasus seeds. The nanocmposites ...  Read More

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

Antibacterial and Cytotoxicity Studies of Silver Nanoparticles Synthesized by Endophytic Fusarium solani Isolated from Withania somnifera (L.)

Smitha Vijayan; Divya Koilaparambil; Tijith K George; Jisha Manakulam Shaikmoideen

Volume 1, Issue 2 , November 2016, , Pages 91-103

https://doi.org/10.7508/jwent.2016.02.003

Abstract
  The present study establish extracellular production of silver nanoparticles (AgNP) using Fusarium solani, from medicinal plant Withania somnifera (L.) (ashwagandha) and it’s antibacterial and cytotoxicity effects. Biological- AgNP (Bio- AgNP) were synthesized by using fungal cell free extract ...  Read More

Protection of mild steel in 3 M HCl solution by Areca root extract: development of green and sustainable corrosion inhibitor

Narasimha Raghavendra; Anjali S. Bhinge; Pooja J Ganiger

Volume 4, Issue 2 , April 2019, , Pages 109-118

https://doi.org/10.22090/jwent.2019.02.003

Abstract
  The corrosion inhibition effect of Areca root extract on the mild steel (MS) surface in the 3 M HCl solution was examined by gasometric, colorimetric, Tafel plot, impedance and atomic absorption spectroscopy techniques. Gasometric studies show that, the extract behaves as green corrosion inhibitor in ...  Read More

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

Comparative Study for Evaluation of Mass Flow Rate for Simple Solar Still and Active with Heat Pump

Hidouri Khaoula; Benhmidene Ali; Chaouachi Bechir; Ravishankar Sathyamurthy

Volume 2, Issue 3 , July 2017, , Pages 157-165

https://doi.org/10.22090/jwent.2017.03.003

Abstract
  In isolated and arid areas, especially in the almost Maghreb regions, the abundant solar radiation intensity along the year and the available brackish water resources are the two favorable conditions for using solar desalination technology to produce fresh water. The present study is based on the use ...  Read More

Synthesis of TiO2/Fe3O4/MWCNT Magnetic and Reusable Nanocomposite with High Photocatalytic Performance in the Removal of Colored Combinations from Water

Ahmad Vakili Tajareh; Hossein Ganjidoust; Bita Ayati

Volume 4, Issue 3 , July 2019, , Pages 198-212

https://doi.org/10.22090/jwent.2019.03.003

Abstract
  In this study, TiO2/Fe3O4 and TiO2/Fe3O4/MWCNT as a new magnetic nanophotocatalytic materials were synthesized. For this, TiO2 nanoparticle were fixed on an inert surface by sonochemical method. X-ray Diffraction (XRD), scanning electron microscopy (SEM), UV-Vis diffuse reflectance spectroscopy (DRS), ...  Read More

Fabrication, Characterization, Regeneration and Application of Nanomagnetic Fe3O4@Fish Scale as a Bio-adsorbent for Removal of Methylene Blue

Nima Gholami; Ahmad Dadvand Koohi; Azadeh Ebrahimian Pirbazari

Volume 3, Issue 3 , July 2018, , Pages 219-234

https://doi.org/10.22090/jwent.2018.03.003

Abstract
  The methylene blue (MB) adsorption from aqueous solution was investigated through Fe3O4 nanoparticles loaded on Fish Scale (FS) from fishery biomass. The presence of collagen fibers, apatite crystals and nano-magnetite particles in the structure of nano-magnetic fish scale (MFS) was observed in ...  Read More

A Comprehensive Study on the Application of Reverse Osmosis (RO) Technology for the Petroleum Industry Wastewater Treatment

Shahryar Jafarinejad

Volume 2, Issue 4 , October 2017, , Pages 243-264

https://doi.org/10.22090/jwent.2017.04.003

Abstract
  Large quantities of oily wastewaters can be generated from the activities and processes in the petroleum industry which draining of these effluents not only pollutes the environment but also reduces the yield of oil and water. Therefore, development of treatment processes for petroleum industry wastewaters ...  Read More

Nitrogen doped porous carbon derived from nanofibrous polyaniline for CO2 adsorption

Soodabeh Khalili; Mohsen Jahanshahi

Volume 4, Issue 4 , October 2019, , Pages 285-295

https://doi.org/10.22090/jwent.2019.04.003

Abstract
  The objective of this work is to develop a cost-effective carbonaceous CO2 adsorbent. N-doped porous carbon (NDC) with nano- pore size was synthesized by KOH activation of nano polyaniline (PANI). PANI synthesized in this work has thin nanofibrillar morphology with different lengths and diameters. The ...  Read More

Application of Green Novel NiO/ZSM-5 for Removal of Lead and Mercury ions from Aqueous Solution: Investigation of Adsorption Parameters

Mehdi Sedighi; Majid Mohammadi

Volume 3, Issue 4 , October 2018, , Pages 301-310

https://doi.org/10.22090/jwent.2018.04.003

Abstract
  Consistent with the US Environmental Protection Agency, heavy metals are classified as carcinogenic to humans. Their numerous agricultural, industrial, domestic, medical, and technical requirements have resulted in their widespread dissemination in the environment. This article examines a new green adsorbent ...  Read More

Selective removal of dicamba from aqueous samples using molecularly imprinted polymer nanospheres

Tooraj Beyki; Mohammad Javad Asadollahzadeh

Volume 1, Issue 1 , July 2016, , Pages 19-25

https://doi.org/10.7508/jwent.2016.01.003

Abstract
  For the first time, uniform molecularly imprinted polymer (MIP) nanoparticles were prepared using dicamba as a template. The MIP nanoparticles were successfully synthesized by precipitation polymerization using methacrylic acid (MAA) as functional monomer, trimethylolpropane trimethacrylate (TRIM) as ...  Read More

Removal of nickel (II) from aqueous solution by graphene and boron nitride nanosheets

Jafar Azamat

Volume 2, Issue 1 , January 2017, , Pages 26-33

https://doi.org/10.7508/jwent.2017.01.004

Abstract
  Molecular dynamics simulations were carried out to study the removal of Ni2+ as a heavy metal from the water by the functionalized graphene nanosheet (GNS) and boron nitride nanosheet (BNNS). Nickel causes asthma, conjunctivitis and inflammatory reactions and nickel salts act as emetics when swallowed; ...  Read More

Acid-thermal Activated Nanobentonite as an Economic Industrial Adsorbent for Malachite Green from Aqueous Solutions. Optimization, Isotherm, and Thermodynamic Studies

Reza Tayebee; vahid Mazruy

Volume 3, Issue 1 , January 2018, , Pages 40-50

https://doi.org/10.22090/jwent.2018.01.004

Abstract
  The limited adsorption capacity of natural clays is a crucial and economic issue which confined their applications in industry as cheap adsorbents to remove toxic contaminants from wastewaters. Here, the adsorption capacity of a natural nano bentonite was enhanced by a simple acid and thermal activation ...  Read More

Removal of crystal violet using nanozeolite-x from aqueous solution: central composite design optimization study

siroos shojaei; Jamal Ahmadi; Meysam Davoodabadi Farahani; Bentolhoda Mehdizadehd; Mohammadreza Pirkamali

Volume 4, Issue 1 , January 2019, , Pages 40-47

https://doi.org/10.22090/jwent.2019.01.004

Abstract
  The remaining dye in the wastewater is not desirable as it damages the ecosystem and nature, and also is very toxic. The Crystal Violet (CV) dye is toxic and potentially carcinogenic. In addition, it reduces light in water and prevents the process of photosynthesis of aquatic plants. Therefore, nanozeolite-X ...  Read More

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

Carboxymethyl-β-cyclodextrin Modified Magnetic Nanoparticles for Effective Removal of Arsenic from Drinking Water: Synthesis and Adsorption Studies

Sedigheh Zeinali; Maryam Abdollahi; Samad Sabbaghi

Volume 1, Issue 2 , November 2016, , Pages 104-115

https://doi.org/10.7508/jwent.2016.02.004

Abstract
  The β-cyclodextrin coated magnetic nanoparticles were prepared by the surface modification of Fe3O4 magnetic nanoparticles using carboxymethyl-β-cyclodextrin. Prepared nanoparticles were characterized by X-ray diffraction analysis, transmission electron microscope, Fourier transform infrared ...  Read More

Nano LTA Zeolite in Water Softening Process: Synthesis, Characterization, Kinetic studies and process optimization by Response Surface Methodology (RSM)

Elmira Ghadamnan; Seyed Reza Nabavi; Mahmoud Abbasi

Volume 4, Issue 2 , April 2019, , Pages 119-138

https://doi.org/10.22090/jwent.2019.02.004

Abstract
  In the present study, nano zeolite A (LTA) was synthesized by the alkaline fusion method without adding an organic template. Effect of temperature and aging time were studied on the crystallinity and morphology of the final product. The synthesized LTA was characterized by scanning electron microscopy ...  Read More

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