INFLUENCE OF OPERATING CONDITIONS ON THE REMOVAL OF HEAVY METALS FROM INDUSTRIAL WASTEWATER BY BIOSORPTION

被引：1
|
作者：
Tsekova, Kolishka [1 ]
Todorova, Dessislava [1 ]
Ganeva, Sonia [2 ]
机构：
[1] BAS, Inst Microbiol, Lab Microbial Biosynthesis & Ecol, Sofia 1113, Bulgaria
[2] Univ Sofia, Fac Chem, Sofia 1164, Bulgaria
来源：
ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL | 2015年 / 14卷 / 10期
关键词：
biosorption; heavy metals; Rhizopus oryzae; wastewater; AQUEOUS-SOLUTION; IMMOBILIZED CELLS; PYCNOPORUS-SANGUINEUS; RHIZOPUS-ARRHIZUS; IONS; EQUILIBRIUM; CD(II); PB(II); ADSORPTION; COPPER;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Free cells of Rhizopus oryzae were used to study adsorption of several cations (Cu2+, Zn2+, Mn2+, Ni2+, Cd2+ and Pb2+) from wastewater within various experimental conditions. The influence of biomass dosage, pH and temperature on the removal process was investigated. The sorption efficiency increased with increasing the temperature in the range from 25 degrees C to 30 degrees C and pH from 5 to 8. The maximum removal percentage was achieved at a biosorbent concentration 0.25 - 0.30 g/L of wastewater. The optimal operating conditions removal order was found to be Cu2+ > Pb2+ approximate to Zn2+ > Cd2+ > Ni-2+ > Mn2+. Promising results were obtained in the laboratory, as effective metal removals were observed.
引用
收藏
页码：2327 / 2331
页数：5
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