Removal of Chromium (VI) from Water onto Activated Carbon by Adsorption in Dynamic Mode

被引：0

作者：

Hezil, Naouel ^{[1
]}

Fellah, Mamoun ^{[2
,3
]}

Montagne, Alex ^{[4
]}

Iost, Alain ^{[4
]}

Obrosov, Aleksei ^{[5
]}

Weiss, Sabine ^{[5
]}

机构：

[1] ABBES Laghrour Univ, Matter Sci Dept, PO 1252, Khenchela 40004, Algeria

[2] ABBES Laghrour Univ, Mech Engn Dept, PO 1252, Khenchela 40004, Algeria

[3] BADJI Mokhtar Univ, Lab Foundry, Tribol & Mat, BP 12, Annaba 23000, Algeria

[4] Arts & Metiers ParisTech, Lab Mech Surfaces & Mat Proc, 8 Blvd Louis XIV, F-59046 Lille, France

[5] Brandenburg Tech Univ Cottbus, Dept Phys Met & Mat Technol, D-03046 Cottbus, Germany

来源：

TMS 2020 149TH ANNUAL MEETING & EXHIBITION SUPPLEMENTAL PROCEEDINGS | 2020年

关键词：

Hexavalent chromium; Activated carbon; Adsorption; Breakthrough curve; Fixed-bed column; FIXED-BED COLUMN; HEXAVALENT CHROMIUM; AQUEOUS-SOLUTION; CR(VI);

D O I：

10.1007/978-3-030-36296-6_80

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hexavalent chromium pollution from industrial waste water is a serious problem as it can cause adverse effects on the environment. Several methods are used to reduce the harmful effects of this pollutant, especially physico-chemical methods, such as adsorption technology. The present study aims to remove Cr (VI) from industrial sources in a fixed-bed column of activated carbon. The experiments were carried out at natural pH and temperature with a flow rate (5, 10, and 20 mL/min) and bed height (3.5 cm). Breakthrough curves for feed concentrations (0.01, 0.03, and 0.05 mol/L) were investigated. The results indicated a marked decrease up to 99%. The value of the flow constant for the Thomas model decreased with the increase in the concentration of the incoming substance, but increased with the increase in the flow rate.

引用

页码：855 / 863

页数：9

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