BIODEGRADATION OF PHENOL IN THE PRESENCE OF HEAVY METALS BY FREE AND IMMOBILIZED CELLS OF YEAST ASSOCIATION

被引：0

作者：

Hristov, Alexander ^{[1
]}

Gouliamova, Dilnora ^{[1
]}

Nacheva, Lilyana ^{[1
]}

Tsekova, Kolishka ^{[1
]}

机构：

[1] Bulgarian Acad Sci, Stephan Angeloff Inst Microbiol, BU-1113 Sofia, Bulgaria

来源：

COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES | 2012年 / 65卷 / 03期

关键词：

phenol; biodegradation; yeast association; immobilization; heavy metals; DEGRADATION; BATCH; KINETICS;

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：

The present study demonstrated the phenol degrading potential of yeast association consisting of two strains identified as Candida tropicalis and Trichosporon montevideense. At initial phenol concentration of 0.5 g.l(-1) the process was carried out in semicontinuous mode using cells of microbial association, free and immobilized on three different carries. The removal efficiency of phenol by free and immobilized cells, the influence of a mixture of five heavy metals on the biodegradation process as well as heavy metal removing efficiency of cells, free and immobilized on Ca-alginate, were also reported. The experimental results indicated that both cells, free suspended and immobilized in Ca-alginate, showed high phenol degrading efficiencies within 144 h, but the immobilized cells showed better performance in the presence of heavy metals compared to that of the suspended cells.

引用

页码：335 / 340

页数：6

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