Adsorption of Lead on Cucumber Peel

被引：180

作者：

Basu, Mousumi ^{[1
]}

Guha, Arun K. ^{[2
]}

Ray, Lalitagauri ^{[1
]}

机构：

[1] Jadavpur Univ, Dept Food Technol & Biochem Engn, 188 Raja SC Mullick Rd, Kolkata 700032, India

[2] Indian Assoc Cultivat Sci, Dept Biol Chem, 2A & B Raja SC Mullick Rd, Kolkata 700032, India

来源：

JOURNAL OF CLEANER PRODUCTION | 2017年 / 151卷

关键词：

Cucumber peel; Lead biosorption; Chemical modification; Technological characterization; FIXED-BED COLUMN; LATHYRUS-SATIVUS; AQUEOUS-SOLUTION; BIOSORPTION; REMOVAL; CADMIUM; PB(II); COPPER; CELLULOSE; BIOMASS;

D O I：

10.1016/j.jclepro.2017.03.028

中图分类号：

X [环境科学、安全科学];

学科分类号：

083001 [环境科学];

摘要：

The competency of cucumber peel (CP) was explored for adsorption of lead. Optimum adsorption occurred at pH 5.0 and at incubation temperature of 30 degrees C. The process of adsorption was quite fast to be completed within a time frame of 60 min obeying pseudo second order rate kinetics. 1.0 g sorbent was capable enough to adsorb 133.60 mg lead (q(max)) with Langmuir isotherm model categorically illustrating the adsorption process. The magnitude of hindrance exerted by cadmium in binary system as a consequence of co-ion effect was found to be rather insignificant. Functional group modification study confirmed principal role of carboxyl group in metal binding. The biomass was characterized by different instrumental analyses like TGA, SEM, EDAX, XRD, FTIR and zeta potential measurement which additionally authenticated the sorption phenomenon. Post adsorption elution of the loaded metal was successfully executed using HCl as eluant. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：603 / 615

页数：13

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