REMOVAL OF COPPER, NICKEL AND ZINC FROM WASTE-WATER BY ADSORPTION USING PEAT

被引：77
|
作者：
VIRARAGHAVAN, T [1 ]
DRONAMRAJU, MM [1 ]
机构：
[1] TULANE UNIV,DEPT CIVIL ENGN,NEW ORLEANS,LA 70118
来源：
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-ENVIRONMENTAL SCIENCE AND ENGINEERING & TOXIC AND HAZARDOUS SUBSTANCE CONTROL | 1993年 / 28卷 / 06期
关键词：
ADSORPTION; COPPER; NICKEL; ZINC; WASTE-WATER; PEAT; LANGMUIR ISOTHERM; FREUNDLICH ISOTHERM;
D O I：
10.1080/10934529309375941
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effectiveness of peat in adsorbing copper, nickel and zinc from wastewater was studied. Batch kinetic and isotherm studies were carried out to determine the effects of contact time, pH, initial concentration of the adsorbate, and temperature on adsorption. It was found that a contact time of two hours was necessary for the adsorption to reach equilibrium. The optimum pH was found to be between 4.5 and 5.0. The data for the adsorption of copper, nickel and zinc were described well by both the Langmuir and the Freundlich models. The adsorption process was found to be exothermic.
引用
收藏
页码：1261 / 1276
页数：16
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