BIOTREATMENT OF S-TRIAZINE-CONTAINING WASTE-WATER IN A FLUIDIZED-BED REACTOR

被引：27

作者：

HOGREFE, W ^{[1
]}

GROSSENBACHER, H ^{[1
]}

COOK, AM ^{[1
]}

HUTTER, R ^{[1
]}

机构：

[1] SWISS FED INST TECHNOL,INST MICROBIOL,CH-8092 ZURICH,SWITZERLAND

来源：

BIOTECHNOLOGY AND BIOENGINEERING | 1986年 / 28卷 / 10期

关键词：

BIOCHEMICAL ENGINEERING - Applications - ENZYMES - Immobilization - WASTEWATER - Biological Treatment;

D O I：

10.1002/bit.260281016

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：

Mixed cultures of microorganisms immobilized on sand were used to degrade s-triazine-containing industrial wastewater in a fluidized bed reactor. Immobilized cell concentrations of up to 18 g/L volatile suspended solids could be achieved with the s-triazines as sole nitrogen source for growth and carbon sources added at a C-N ratio of about 12. Maximal removal efficiencies of 80% of the s-triazines could be maintained only if (a) the biofilm thickness was limited to avoid oxygen deficiency and (b) the carbon source and complete wastewater ( less than equivalent to 50% v/v in the feed) were supplied continuously at a mean hydraulic residence time of greater than equivalent to 20-25 h.

引用

页码：1577 / 1581

页数：5

共 18 条

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