Results 31 to 40 of about 5,219,551 (261)

Catalytic Properties of Hydrothermally Synthesized Flower-like NiO@Fe3O4

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2020
In this study, flower-like NiO structures were synthesized by hydrothermal method. Then, Fe3O4 was doped on NiO that NiO structures gain magnetic properties.
Nurdan Kurnaz Yetim
doaj   +1 more source

A Facile plant mediated synthesis of silver nanoparticles using an aqueous leaf extract of Ficus hispida Linn. f. for catalytic, antioxidant and antibacterial applications

open access: yesSouth African Journal of Chemical Engineering, 2018
An aqueous leaf extract of Ficus hispida Linn. f. mediated silver nanoparticles (Ag NPs) have been prepared for reduction of 4-Nitrophenol, antioxidant and antibacterial activity against gram positive bacteria, Bacillus subtilis and gram negative ...
A.V. Ramesh   +3 more
doaj   +1 more source

Nitrophenols Reduction in the Benzene Adiabatic Nitration Process [PDF]

open access: yesIndustrial & Engineering Chemistry Research, 2004
The benzene adiabatic nitration process has been carried out in a pilot plant to enable the study of this reaction under relevant industrial operating conditions, aiming to increase the reaction conversion and selectivity by reducing the nitrophenols.
Quadros, Paulo A.   +2 more
openaire   +2 more sources

Preparation and Characterization of α-Zinc Molybdate Catalyst: Efficient Sorbent for Methylene Blue and Reduction of 3-Nitrophenol

open access: yesMolecules, 2018
Zinc molybdate (ZnMoO4) was prepared by thermal decomposition of an oxalate complex under a controlled temperature of 500 °C. Analyses of the oxalate complex were carried out using Fourier transform infrared spectroscopy (FTIR) and thermogravimetric ...
Hicham Oudghiri-Hassani   +4 more
doaj   +1 more source

Highly efficient and recoverable Ag-Cu bimetallic catalyst supported on taro-rhizome powder applied for nitroarenes and dyes reduction

open access: yesJournal of Materials Research and Technology, 2022
Every day, the risk of water pollution grows. According to the World Health Organization (WHO), approximately half of the population of poor countries suffers from health problems linked to chemically or microbially contaminating drinkable water. Here in
Esraa M. Bakhsh   +9 more
doaj   +1 more source

Synthesis of graphene oxide–metal nanoparticle nanocomposites for catalytic reduction of nitrocompounds in aqueous medium

open access: yesJournal of Taibah University for Science, 2021
Graphene oxide templated cobalt (GO–Co) and graphene oxide templated silver (GO–Ag) nanocomposites were synthesized and used as catalysts in the reduction of 4-Nitrophenol (4-NP), 2-Nitrophenol (2-NP) and 2-Nitroaniline (2-NA).
Hina Naeem   +4 more
doaj   +1 more source

Synthesis of biomass-supported CuNi zero-valent nanoparticles through wetness co-impregnation method for the removal of carcinogenic dyes and nitroarene

open access: yesGreen Processing and Synthesis, 2020
Stabilization of zero-valent CuNi nanoparticles (NPs) supported on Cicer arietenum (CP) is reported here for the reduction and removal of persistent organic pollutants.
Hussain Shah   +9 more
doaj   +1 more source

Fabrication of Au-polymer hybrid colloids via a pH-modulated in situ reduction process for improved catalytic activity

open access: yesSN Applied Sciences, 2022
Article highlights • A novel functional microgel is tailored for the reduction and stabilization of Au(III) into Au nanoparticles. • The reduction process is switched by adjusting the base volume to generate Au nanoparticles with gradually varied ...
Jing Peng, Dongyan Tang
doaj   +1 more source

An efficient Ag decorated CeO2 synergetic catalyst for improved catalytic reduction of lethal 4-nitrophenol

open access: yesChemical Physics Impact, 2023
Catalytic reduction is considered an effective approach for the reduction of toxic organic pollutants from the environment, but finding an active catalyst is still a big challenge.
Ahmed Ismail   +4 more
doaj   +1 more source

Carbon Supported Gold Nanoparticles for the Catalytic Reduction of 4-Nitrophenol [PDF]

open access: yesFrontiers in Chemistry, 2019
This work is a detailed study on how to optimize gold colloids preparation and their deposition to very different in nature carbon materials. The change of the continuous phase and its dielectric constant is used to assure the good dispersion of the hydrophilic/hydrophobic carbons and the successful transfer of the preformed small size colloids to ...
Rodríguez Molina, Hugo   +6 more
openaire   +7 more sources

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