Quick access

PDF
Share Article:
2019 Volume 10 Issue 4

Kinetic and Thermodynamic Study on the Removal of Congo Red from the Aqueous Solution Using Graphene Oxide/Magnesium Oxide Nanocomposite


Amir Fahdil, Dawood AL-Niaimi, Firas Hassan Muhi
Abstract

In this investigation, graphene oxide/magnesium oxide (GO/ MgO NCs) Nanocomposite with GO/MgO weight ratio of 1:1 was used to removal Congo red dye from aqueous solution in batch method. The prepared NCs were characterized using scanning electron microscopy, X-ray diffraction, FTIR, Atomic force microscope, and Brunauer, Emmett and Teller (BET). The results showed that MgO particles were successfully graced on GO. The effects of different empiric variables on the Congo red dye removal including GO/MgO NCs weight, initial concentration, contact time, and pH were investigated. The experimental analysis of adsorption isotherms (Langmuir, Freundlich, Dubinin, Temkin) indicated that adsorption data were best fit with the Freundlich isotherm model. The kinetic adsorption data were best expressed by the pseudo-second-order kinetic model. Thermodynamic function data such as (ΔHº, ΔGº, ΔSº) of adsorption were calculated, which showed the adsorption exothermic process and the value of ΔGº was negative and indicated that the process happened spontaneously while the value of ΔSº was positive, meaning that the movements of dye molecules is unlimited


INDEXING
+ Pubmed Central, DOAJ, SCIRUS, BiologyBrowser, Chemical Abstracts, CABI, Intute catalogue, Science Central, EBSCOhost databases, Google Scholars, Genamics JournalSeek, Open J gate, Ulrich's, ResearchGate and many more.

J BIOCHEM TECH
J BIOCHEM TECH
Journal of Biochemical Technology is a peer reviewed International Journal published by the Sevas Publishing on behalf of the Biochemical Technology Society, a Registered Charity Organization from India

AREA OF INTEREST
AREA OF INTEREST
Areas of high interest, cover new advances in enzymatic and protein mechanims; applied molecular genetics and biotechnology; genomics and proteomics; metabolic; medical, environmental, food and agro biotechnology.

FOCUS AND SCOPE
FOCUS AND SCOPE
Journal Of Biochemical Technology” Provides A Medium For The Rapid Publication Of Full-Length Articles, Mini-Reviews Of New And Emerging Products And Short Communications On All Aspects Of ...

Publish with us

Call for papers

Issue 4 Volume 11 - 2020

Publishing steps

1.Prepare
your paper
2.Submit
and revise
3.Track
your research
4.Share
and promote
This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Keywords include, Biochemical Research: Endo/exocytosis, Trafficking, Membrane Biology, Cell Migration, Cell-Matrix Organelle Biogenesis, Cytoskeleton Proteolysis, Cell Death, Cell Cycle, Cancer, Cell Growth/Death, Differentiation, Drug Targets, Gene Therapy, Models of Disease, Proteomics, Stem Cells, Bioenergetics, Mitochondria, Free Radicals, Redox Signaling, Ion Transport/Channels, Oxidative