IMMOBILIZATION OF ACTIVATED-SLUDGE BY PVA BORIC-ACID METHOD

被引：129

作者：

HASHIMOTO, S

FURUKAWA, K

机构：

[1] Osaka Univ, Suita, Jpn, Osaka Univ, Suita, Jpn

来源：

BIOTECHNOLOGY AND BIOENGINEERING | 1987年 / 30卷 / 01期

关键词：

ENZYMES - Immobilization - MICROORGANISMS - Applications - POLYVINYL ALCOHOL - Applications - SEWAGE TREATMENT - Activated Sludge;

D O I：

10.1002/bit.260300108

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：

A new method (polyvinyl alcohol-boric acid method) for an inexpensive and effective immobilization of activated sludge was developed. Using activated sludge immobilized by this PVA-boric acid method, synthetic wastewater was treated at a high loading rate of 0. 5-2. 35 kg TOC/m**3 day. Total organic carbon and total nitrogen were removed at efficiencies of 93 and 30-40%, respectively. The kinetic constants Y and b for this immobilized activated-sludge process were determined to be 0. 594 g mixed liquor suspended solids (MLSS)/g TOC and 0. 0219 day** minus **1, respectively. The cost calculation of chemicals required for the immobilization of activated sludge by this PVA-boric acid method was proved to be extremely inexpensive for the immobilization of activated sludge.

引用

页码：52 / 59

页数：8