Adsorption of Dyes from Aqueous Solutions onto Tur Dal Husk: Characterisation, Equilibrium and Kinetic Studies

被引：0

作者：

Ahalya, N. ^{[1
]}

Ramachandra, T., V ^{[2
]}

Kanamadi, R. D. ^{[3
]}

机构：

[1] Ramaiah Inst Technol MSRIT, Dept Biotechnol, PO MSR Nagar, Bangalore 560054, Karnataka, India

[2] Indian Inst Sci, Ctr Ecol Sci, Bangalore 560012, Karnataka, India

[3] Karnataka Univ, Dept Zool, Dharwad, Karnataka, India

来源：

RESEARCH JOURNAL OF PHARMACEUTICAL BIOLOGICAL AND CHEMICAL SCIENCES | 2018年 / 9卷 / 01期

关键词：

Agriculture waste; tur dal husk; amaranth; methylene blue; FTIR; Isotherms;

D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In the present study, agricultural waste tur dal husk was used for the adsorption of the dyes amaranth and methylene blue. The operating variables studied were initial concentration, initial solution pH, adsorbent dosage and contact time. Experimental equilibrium data were fitted to Freundlich and Langmuir isotherms. The kinetics of adsorption of methylene blue and amaranth onto tur dal husk was found to follow a pseudo first order kinetics. The maximum adsorption of amaranth and methylene blue was 45.09 and 216.68 mg/g of the adsorbent respectively. The Fourier transformed infrared spectroscopy reveals that -OH, C = O and C-O groups present in the tur dal husk is involved in the adsorption process. The optimum pH for the adsorption of methylene blue and amaranth was 6 and 2 respectively. Characterization of the tur dal husk showed that the relative percentage of protein is very less making it an excellent adsorbent for the removal of dyes from wastewater effluents.

引用

页码：445 / +

页数：9

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