Results 21 to 30 of about 24,942 (205)

Co3O4 supported on MWCNT: A highly efficient nano composite for the adsorption of Coracryl yellow dye and in the reduction of 4-Nitrophenol

open access: yesResults in Chemistry, 2023
In present study, a Co3O4@MWCNT nanocomposites were synthesized using simple chemical reduction method. The impurity investigation of as-synthesized Co3O4@MWCNT composites were carried by using XRD and FTIR.
Paresh More   +5 more
doaj   +1 more source

3D Porous Network Structured Co and Ni Catalysts for 4-Nitrophenol Reduction Reaction [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2023
3D porous network structured cobalt and nickel bead catalysts were easily greenly fabricated in the presence of chitosan for the catalytic reduction of 4-nitrophenol to 4-aminophenol.
Filiz Akti
doaj   +1 more source

Reduction of 4-nitrophenol using green-fabricated metal nanoparticles

open access: yesRSC Advances, 2022
Noble metal (silver (Ag), gold (Au), platinum (Pt), and palladium (Pd)) nanoparticles have gained increasing attention due to their importance in several research fields such as environmental and medical research.
Yetzin Rodriguez Mejía   +1 more
openaire   +2 more sources

Facile synthesis, characterization and enhanced catalytic reduction of 4-nitrophenol using NaBH4 by undoped and Sm3+, Gd3+, Hf3+ doped La2O3 nanoparticles

open access: yesNano Convergence, 2019
This work focuses on the synthesis of undoped and doped lanthanum oxide nanoparticles (La2O3 NPs) by a simple co-precipitation method for the catalytic reduction of 4-nitrophenol (4-NP) using NaBH4 as a reducing agent.
Guguloth Ravi   +4 more
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

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

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

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

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

Home - About - Disclaimer - Privacy