Cathodic synthesis of Al-Ce-Mn Oxide nanohybride powder with improved surface for effective removal of fluoride from aqueous media

Taher Yousefi; Ramin Yavari; D Rezaei Uchbelagh; Abbas Ariamanesh

Volume 7, Issue 1 , April 2022, , Pages 31-43

https://doi.org/10.22090/jwent.2022.01.003

Abstract
  Al-Ce-Mn oxide samples were synthesized by the cathodic electrochemical method at current densities of 5, 15, and 35 mAcm-2. The XRD, SEM, and EDX techniques were used for the characterization of samples. The SEM images show that at high current density the one-dimensional(nanowire) structure and at ...  Read More

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

The Al2O3-monolayer sensitivity towards NH3 and PH3 molecule: A DFT Study

Syed Reyaz Hasan; Zaheer Abbas; Md. Shahzad Khan

Volume 8, Issue 1 , February 2023, , Pages 34-40

https://doi.org/10.22090/jwent.2023.08.004

Abstract
  The recent theoretical investigation has advocated the Al2O3 monolayer as a stable atomic configuration. This work deals with the interaction of NH3 and PH3 towards this monolayer configuration. Structural and electronic investigation suggests a strong affinity of the monolayer towards the NH3 and PH3 ...  Read More

Development of a Platform for Removal of Iron (III) Ions from Aqueous Solution Using CuO Nanoparticles

Sumon Chakrabarty; Md. Anas Mahmud; Mosummath Hosna Ara; Shovon Bhattacharjee

Volume 6, Issue 1 , January 2021, , Pages 41-48

https://doi.org/10.22090/jwent.2021.01.004

Abstract
  The present study aimed to synthesize copper oxide (CuO) nanoparticles (NPs), which were used as an adsorbent for the sequestration of Iron (Fe) (III) ion from aqueous solution. The synthesized NPs were characterized with the help of X-ray diffraction (XRD) spectroscopy, Field Emission scanning electron ...  Read More

Immobilized nickel hexacyanoferrate nano particles on graphen for effective removal of Cs(I) ions from radionuclide wastes

Noorallah Delijeh; Taher Yousefi; Hasan Aghayan; Ramin Yavari; Mehdi Parvini; Hossein Ghasemi mobtaker

Volume 8, Issue 1 , February 2023, , Pages 41-51

https://doi.org/10.22090/jwent.2023.08.005

Abstract
  In the current work synthesis and modification of graphene oxide with Nickel Hexa Ferrocyanide (NiHCF) nanoparticles has been reported. The Graphene oxide- Nickel Hexa Ferrocyanide (GO-NiHCF) was used as an adsorbent to remove Cesium (Cs) ions from a simulated solution. The obtained product was characterized ...  Read More

Synthesis and characterization of modified resorcinol formaldehyde aerogel by graphene/m-phenylenediamine as a novel adsorbent to remove Tetracycline Antibiotics from Wastewater

Alireza Behzadi; Amirhosein Yazdanbakhsh

Volume 7, Issue 1 , April 2022, , Pages 44-54

https://doi.org/10.22090/jwent.2022.01.004

Abstract
  Recently, there has been growing concern about the presence of pharmaceutical compounds and particularly antibiotics as emerging contaminants. This study employed high specific surface area organic aerogels to remove Tetracycline antibiotics. For this purpose, resorcinol formaldehyde aerogel (RF) was ...  Read More

Effect of the addition of Fe3O4 nanoparticles on the performance of polyethersulfone nanofiltration membrane for the rejection of 54,56Mn ions from aqueous solution

Sedigheh Daroumi; Mohammad Ali Aroon; Ramin Yavari; taher yousefi; Hossein Ghasemi mobtaker

Volume 9, Issue 1 , February 2024, , Pages 44-54

https://doi.org/10.22090/jwent.2024.01.03

Abstract
  In this study, the flat sheet membranes including the neat polyethersulfone (PES) and the mixed matrix membranes (MMMs) containing 20 wt. % polyethersulfone (PES) and various amounts of Fe3O4 nanoparticles were prepared using wet phase inversion and conventional casting methods. Manganese ion rejection ...  Read More

Effect of the addition of Fe3O4 nanoparticles on the performance of polyethersulfone nanofiltration membrane for the rejection of 54,56Mn ions from aqueous solution


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

Microwave assisted biosynthesis of silver nanoparticles using banana leaves extract: Phytochemical, spectral characterization, and anticancer activity studies

Narasimha Raghavendra; Leena V Hublikar; S.M. Patil; Pritam Bhat

Volume 6, Issue 1 , January 2021, , Pages 49-61

https://doi.org/10.22090/jwent.2021.01.005

Abstract
  Microwave assisted biosynthesis of nanoparticles has been a cost effective, environmentally benign, and alternative to the chemical method. In this context, we report eco-friendly and robust nanoparticles synthesized using the bio-waste (Banana leaves) extract material through a microwave method. The ...  Read More

Visible light mediated photocatalytic anionic and cationic dyes degradation using ZnO-Fe2O3 nanocomposite

Armin Ehsani Amoli; Mojtaba Masoomi; Mazyar Sharifzadeh baei; Fatemeh Babei; Ghasem Firouzzade pasha

Volume 8, Issue 1 , February 2023, , Pages 52-65

https://doi.org/10.22090/jwent.2023.08.006

Abstract
  In this work, hydrothermal technique and precursor materials obtained from the wastes of filtration unit of gas pressure reduction station were used to create ZnO-Fe2O3 nanocomposite. FT-IR, FE-SEM, XRD and TEM analyzes were used to investigate the properties of the produced nanocomposite. XRD analysis ...  Read More

Effective Methylene Blue Removal from Aqueous Solutions using PVA/Chitosan Electrospun Nanofiber Modified with CeAlO3 Nanoparticles

Fatemeh Shahverdi; Aboulfazl Barati; Mansour Bayat

Volume 7, Issue 1 , April 2022, , Pages 55-68

https://doi.org/10.22090/jwent.2022.01.005

Abstract
  This research work aims to investigate the sorption characteristic of synthesized Poly (vinyl alcohol)/Chitosan nanofiber mats modified with aluminum-cerium spinel oxide (CeAlO3) nanoparticles for methylene blue (MB) removal from aqueous solutions. The sorption is carried out by a batch technique. The ...  Read More

Natural biodegradable low-cost Lablab purpureus husk as chromatrap for removal of three hazardous organic cationic dyes from water: Waste to wealth and column elution approach

Sumathi Harohally Paramesh; Veerendra Shetty Ananthpur; Nagaraju Rajendraprasad

Volume 9, Issue 1 , February 2024, , Pages 55-72

https://doi.org/10.22090/jwent.2024.01.04

Abstract
  Novel results in this study showcase the utilization of sunlight-dried, ground Lablab purpureus husk (LLPh), treated with water and alkali, as a highly efficient bio-adsorbent for the removal of cationic dyes from aqueous solutions. Methylene blue (MB), malachite green (MG), and crystal violet (CV) were ...  Read More

Natural biodegradable low-cost Lablab purpureus husk as chromatrap for removal of three hazardous organic cationic dyes from water: Waste to wealth and column elution approach


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

Impact of different quantity of Zinc oxide nanoparticles on growth and hematology of Mrigal Cirrhinus mrigala

Muthuswami Ruby Rajan; Raja Rohini

Volume 6, Issue 1 , January 2021, , Pages 62-71

https://doi.org/10.22090/jwent.2021.01.006

Abstract
  Zinc is essential for aquatic biota including fishes at a lower concentration, but when it reaches higher concentration it becomes toxic. The objectives of the present work were related to the impact of different quantities of zinc oxide nanoparticles on the growth and hematology of Mrigal Cirrhinus ...  Read More

Catalytic and Electrochemical Sensing Studies of Silver/Poly(1-Naphthylamine) Nanocomposites Synthesised by a Green Method

Femina Kanjirathamthadathil Saidu; Alex Joseph; Eldhose Varghese; George Vazhathara Thomas

Volume 8, Issue 1 , February 2023, , Pages 66-78

https://doi.org/10.22090/jwent.2023.08.007

Abstract
  Metal nanoparticles incorporated conducting polymer nanocomposites have outstanding properties and potential applications in various fields and significant research has been carried out over the last two decades for the development of efficient methods for their synthesis. The current study describes ...  Read More

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

Magnetic pectin nanocomposite for efficient adsorption of heavy metals from aqueous solution

Sadegh Roushenas; Maryam Female Nikzad; Ali Asghar Ghoreyshi; mohsen ghorbani

Volume 7, Issue 1 , April 2022, , Pages 69-88

https://doi.org/10.22090/jwent.2022.01.006

Abstract
  In this study, pectin/γ-Fe2O3/gl nanocomposite was synthesized using a single-step chemical precipitation method and used as an eco-friendly adsorbent to remove Cd2+ and Pb2+ from aqueous solution. The nanocomposite was characterized by FE-SEM, EDX, FTIR, XRD, VSM, and TEM analyses. The effect ...  Read More

Mg-Al LDH and Calcined LDH: Green Nanocatalysts for wet peroxide oxidation of phenol in wastewater

Masoud Samandari; Afshin Tagva Manesh; Seyed Ali Hosseini; Sakineh Mansouri

Volume 6, Issue 1 , January 2021, , Pages 72-80

https://doi.org/10.22090/jwent.2021.01.007

Abstract
  The catalytic wet peroxide oxidation (CWPO) of phenol from wastewater using Mg-Al LDH and calcined LDH at 500 ºC was investigated. The LDH was synthesized by co-precipitation and characterized by XRD, FTIR, SEM, EDS and BET. XRD result showed that during calcination of LDH at 500 ºC, LDH decomposed ...  Read More

Comparative Adsorption Study of Functionalized Magnetite and Maghemite Nanoparticles Coated with CTAB Surfactant for Efficient Chromium Removal from Wastewater

Mohamed Naous; Ahmed Halfadji

Volume 9, Issue 1 , February 2024, , Pages 73-89

https://doi.org/10.22090/jwent.2024.01.05

Abstract
  In this study, maghemite and magnetite nanoparticles were functionalized with cetyl trimethyl ammonium bromide(CTAB) surfactants, in order to obtain effective chromium removal from wastewater. X-ray diffractometry (XRD), transmission electron microscopy (TEM), and Fourier-transform infrared spectrophotometry ...  Read More

Comparative Adsorption Study of Functionalized Magnetite and Maghemite Nanoparticles Coated with CTAB Surfactant for Efficient Chromium Removal from Wastewater


Fabrication of MnWO4 modified ZnS nanocomposite as an effective nanoadsorbent: Experimental investigation and neural network modeling

Balasubramani Kavitha; Sharumathi Selvam; Sivakumar Subburam

Volume 8, Issue 1 , February 2023, , Pages 79-93

https://doi.org/10.22090/jwent.2023.08.008

Abstract
  The purpose of this study was to determine the adsorptive characteristics of a MnWO4/ZnS nanocomposite for removing Amaranth dye from aqueous solution. A simple chemical precipitation approach was used to make the MnWO4/ZnS nanocomposite. The crystal structure, morphology, and pore size of the resulting ...  Read More

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

Cow Urine Mediated Green Synthesis of Nanomaterial and Their Applications: A State-of-the-art Review

Harshal Dabhane; Suresh Kushinath Ghotekar; Pawanwan Jagannath Tambade; Shreyas Pansambal; H C Ananda Murthy; Rajeshwari Oza; Vijay Medhane

Volume 6, Issue 1 , January 2021, , Pages 81-91

https://doi.org/10.22090/jwent.2021.01.008

Abstract
  Nowadays, green syntheses have received crucial attention as a reliable, developing and eco-benevolent protocol for synthesizing a broad range of nanomaterials (NMs) including metal/metal oxides NMs, bio-inspired materials and hybrid/composite NMs. As such, biogenic synthesis is regarded as a significant ...  Read More

Synthesis and Application of Magnetic Nanoadsorbent in Removal of Toxic Metals from Aqueous Solution

Dhanraj S Shirsath

Volume 7, Issue 1 , April 2022, , Pages 89-100

https://doi.org/10.22090/jwent.2022.01.007

Abstract
  Magnetic nano adsorbent is cost-effective and easily synthesized in the laboratory by chemical Co-precipitation method that provides not only high adsorption capacity but also rapid adsorption rate. The magnetic nano adsorbents were synthesized by Ferric and Ferrous ions precursor solution in the presence ...  Read More

Biosynthesis of α MnO2 nanorods using Coleus amboinicus leaf extract and its adsorption performance of Pb(II) from aqueous solutions.

Rejani Padmavathiamma; Rani Kunjiraman Pillai

Volume 9, Issue 1 , February 2024, , Pages 90-98

https://doi.org/10.22090/jwent.2024.01.06

Abstract
  Heavy metals are known to be toxic for living organisms even if they are present at low levels. Water pollution by heavy metals from industries is a dangerous environmental problem. Due to the ease, flexibility, and cost-effectiveness of the remediation process, adsorption has been widely implemented ...  Read More

Biosynthesis of α MnO2 nanorods using Coleus amboinicus leaf extract and its adsorption performance of Pb(II) from aqueous solutions.


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