Original Research Paper
Removing Methyl Orange Molecules from Aqueous Medium by Magnetic Nanoparticles: Evaluating adsorption factors, isotherms, kinetics and thermodynamics

Behgam Rahmanivahid; Freshteh Naderi; Hamed Nayebzadeh

Volume 5, Issue 1 , January 2020, Pages 1-16

https://doi.org/10.22090/jwent.2020.01.001

Abstract
  In this paper, Fe3O4 and MgFe2O4 as magnetic samples were successfully synthesized by coprecipitation and combustion methods, respectively, to be used for adsorption of toxic methyl orange molecules from the aqueous solution. Characteristics of the synthesized samples were evaluated using various analyses. ...  Read More

Original Research Paper
Poly(O-Toluidine)/Zirconium-based nanocomposite ion-exchangers for Water treatment and environmental remediation

Jacinth Mispa Kanagaraj; Regini Chelladurai; Subramaniam Perumal; Murugesan Rajamani

Volume 5, Issue 1 , January 2020, Pages 17-33

https://doi.org/10.22090/jwent.2020.01.002

Abstract
  A three component nanocomposite Poly(O-Toluidine) Zr(IV) based ion exchangers are synthesized by sol-gel method and characterized by Fourier transform-infrared spectra, , X-ray diffraction, scanning electron microscopy, thermo gravimetric analysis, ion exchange studies, conductivity and antimicrobial ...  Read More

Original Research Paper
Trinitroanisole Adsorption on the Surface of Boron Nitride Nanocluster (B12N12): A Computational Study

Mohammad Reza Jalali Sarvestani; Roya Ahmadi

Volume 5, Issue 1 , January 2020, Pages 34-44

https://doi.org/10.22090/jwent.2020.01.003

Abstract
  This paper investigated boron nitride nanocage performance as an adsorbent and sensing material for removal and detection of trinitroanisole by density functional theory. The calculated adsorption energies, Gibbs free energy changes (ΔGad), adsorption enthalpy changes (ΔHad) and thermodynamic ...  Read More

Original Research Paper
Decomposition of petroleum contaminants (naphthol) by ultraviolet (UV) radiation using a green-synthetized titanium dioxide (TiO₂) catalyst

Pantea Arjmandi; Fariba Hargalani

Volume 5, Issue 1 , January 2020, Pages 45-55

https://doi.org/10.22090/jwent.2020.01.004

Abstract
  A simple and eco-friendly method for synthesis nanoparticles is using a green chemistry technique. Also, the utilization of green nanoparticles for the treatment of industrial wastewater could be an outstanding plan to confront environmental pollutions. The novelty of this study was to use leaf extract ...  Read More

Original Research Paper
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

Original Research Paper
Optimization of copper adsorption process from aqueous solution by Descurainia sophia plant stem using Taguchi method

kimia yadolahi; Arezoo Ghadi; Seyed Abolhasan Alavi

Volume 5, Issue 1 , January 2020, Pages 68-80

https://doi.org/10.22090/jwent.2020.01.006

Abstract
  The aim of this project is the production of The Descurainia Sophia adsorbent in nano dimensions using a super-grinding disk mill. The top-down method was used in the process of nanogel preparation. After complete drying of the stems, the stems were reduced to smaller sizes by an electric mill, and by ...  Read More

Original Research Paper
Green Synthesis and Characterization of Silver Nano Particles

Susarla Sastry

Volume 5, Issue 1 , January 2020, Pages 81-91

https://doi.org/10.22090/jwent.2020.01.007

Abstract
  Nanotechnology is getting an incredible drive due to the potential of manipulating metals into their nano size particles. The synthesis and characterization of nano particles using green technology have many applications. The wet chemical techniques used presently in the synthesis of nano particles are ...  Read More

Original Research Paper
Assessment of Water Quality Status and Zooplanktons of River Bhagirathi In Uttarkashi

Mahidhar Prasad Tiwari; Poonam Tiwari

Volume 5, Issue 1 , January 2020, Pages 92-101

https://doi.org/10.22090/jwent.2020.01.008

Abstract
  The present paper was depicted to analyze the water quality status in single terms and zooplanktons of the Bhagirathi river. The water quality parameters were analyzed in lab.such as pH, Total Dissolved Solid (TDS), Total Hardness (TH), Chloride, Dissolved Oxygen, Calcium , Biochemical Oxygen Demand ...  Read More