Removal of 2,4-dichlorophenoxyacetic acid from aqueous solutions by modified magnetic nanoparticles with amino functional groups

Reza Jazini Zadeh; Mohammad Sayadi; Mohammad Reza Rezaei

Volume 5, Issue 2 , April 2020, , Pages 147-156

https://doi.org/10.22090/jwent.2020.02.005

Abstract
  The present study was performed on the adsorption of 2,4-Dichlorophenoxyacetic acid from aqueous solutions by amine-modified magnetic nanoparticles. The adsorbent was synthesized by the co-precipitation method. The adsorbent properties of Fe3O4@SiO2-NH2 were investigated using XRD, FTIR, TGA, VSM and ...  Read More

Removal of bisphenol A from water solution using molecularly imprinted nanopolymers: isotherm and kinetic studies

Seyedeh Maedeh Hashemi Orimi; Maryam Khavarpour; Sohrab Kazemi

Volume 5, Issue 1 , January 2020, , Pages 56-67

https://doi.org/10.22090/jwent.2020.01.005

Abstract
  In the present study, adsorption behavior of mesoporous molecularly imprinted polymers for bisphenol A was investigated. Molecularly imprinted nanopolymers were synthesized by precipitation polymerization using bisphenol A as a template molecule. Two molecular ratios of templet: functional monomer: cross-linker ...  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

Kinetic and Isotherm Studies of Cadmium Adsorption on Polypyrrole/Titanium dioxide Nanocomposite

Marjan Tanzifi; Marzieh Kolbadi nezhad; Kianoush Karimipour

Volume 2, Issue 4 , October 2017, , Pages 265-277

https://doi.org/10.22090/jwent.2017.04.004

Abstract
  The present work seeks to investigate the ability of polypyrrole/titanium dioxide nanocomposite to adsorb cadmium ions from aqueous solution. The impact of various experimental conditions, including solution pH, adsorbent dosage, adsorption time and initial concentration on the uptake of cadmium were ...  Read More

Study of the Adsorption of Amido Black 10B Dye from Aqueous Solution Using Polyaniline Nano-adsorbent: Kinetic and Isotherm Studies

Marjan Tanzifi; Mohsen Mansouri; Maryam Heidarzadeh; Kobra Gheibi

Volume 1, Issue 2 , November 2016, , Pages 124-134

https://doi.org/10.7508/jwent.2016.02.006

Abstract
  In the present study, adsorptive properties of Polyaniline (PAn) were investigated for Amido Black 10B dye in aqueous solution. Different variables, including adsorption time, adsorbent dosage, solution pH and initial dye concentration were changed, and their effects on dye adsorption onto PAn nano-adsorbent ...  Read More