BIOLOGICAL TREATMENT OF PHENOLIC WASTES - COMPARISON BETWEEN FREE AND IMMOBILIZED CELL SYSTEMS

被引：25

作者：

ANSELMO, AM ^{[1
]}

NOVAIS, JM ^{[1
]}

机构：

[1] Univ Tecn Lisboa, ENGN BIOQUIM LAB, INST SUPER TECN, P-1000 LISBON, PORTUGAL

来源：

BIOTECHNOLOGY LETTERS | 1992年 / 14卷 / 03期

关键词：

D O I：

10.1007/BF01023366

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Phenol degradation by free and immobilized cells of Fusarium flocciferum was studied in a chemostat at steady-state conditions. For the free cell system the dilution rates varied from 0.02 to 0.13h-1, with a total phenol removal up to 0.08h-1. Wash-out seemed to set in at 0.11h-2 The immobilized cells showed virtually complete phenol utilization at 1g/l, over a period of four months. At D = 0.2h-1 and above 1g/l phenol, the complete phenol removal is not achieved: a progressive increase in the outlet concentration was observed attaining a value of 284mg/l at 1.5g/1.

引用

页码：239 / 244

页数：6

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