当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Synthesis of borax cross-linked Jhingan gum hydrogel for remediation of Remazol Brilliant Blue R (RBBR) dye from water: Adsorption isotherm, kinetic, thermodynamic and biodegradation studies.

Synthesis of borax cross-linked Jhingan gum hydrogel for remediation of Remazol Brilliant Blue R (RBBR) dye from water: Adsorption isotherm, kinetic, thermodynamic and biodegradation studies.

Abstract：

:This paper reports synthesis of hydrogel from an unexplored Jhingan gum via microwave assisted technique for efficient remediation of toxic RBBR dye from aqueous solution. The synthesized hydrogel was confirmed through various analytical techniques. Adsorption mechanism was studied comprehensively and correlation coefficient (R2) values of Langmuir (0.8492-0.9147), Freundlich (0.9802-0.9932), Temkin (0.7744-0.9048), Sips (0.9832-0.9987) recommended that adsorption process fitted best with Freundlich and Sips models. Additionally, the sorption energy E, calculated using the Dubinin-Radushkevich isotherm, has a value of 0.971-0.989 kJmol-1, which confirmed that the type of adsorption was physisorption. Kinetic study revealed that adsorption was well described by pseudo-second-order kinetics. Feasibility of adsorption process determined thermodynamically suggested an endothermic process accompanied with decrease in randomness and non-spontaneous nature. The synthesized hydrogel exhibited an excellent regeneration capacity. The biodegradation study revealed that the hydrogel degraded 89.5% in 180 days with a half-life of 53.3 days.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Mate CJ,Mishra S

doi

10.1016/j.ijbiomac.2020.02.192

subject

Has Abstract

pub_date

2020-05-15 00:00:00

pages

677-690

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(19)36036-2

journal_volume

151

pub_type

杂志文章

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