METHANOGENIC GRANULAR SLUDGE FORMATION IN AN UPFLOW ANAEROBIC SLUDGE BLANKET REACTOR TREATING SYNTHETIC METHANOLIC WASTE

被引：5

作者：

BHATTI, ZI ^{[1
]}

FURUKAWA, K ^{[1
]}

FUJITA, M ^{[1
]}

机构：

[1] OSAKA UNIV, FAC ENGN, DEPT ENVIRONM ENGN, SUITA, OSAKA 565, JAPAN

来源：

WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY | 1995年 / 11卷 / 06期

关键词：

ANAEROBIC TREATMENT; GRANULAR SLUDGE CHARACTERISTICS; GRANULATION; METHANOLIC WASTE; UASB REACTOR;

D O I：

10.1007/BF00361005

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 laboratory upflow anaerobic sludge blanket reactor, seeded with fine, suspended, bacterial flee with 1.76 g volatile suspended solids/l, was used to treat synthetic methanolic waste. After 180 days of continuous operation, granular sludge with discrete granules of 1 to 2 mm diam. was formed, with 52 g volatile suspended solids/l. Granules were brown, relatively soft and had a settling velocity of 1.61 cm/s. Extracellular polymeric matter extracted from the granular sludge had high carbohydrate content but low nucleic acid content, The ash of the granular sludge contained Na+, K+ and Mg2+ up to 15.0, 11.7 and 3.75 mg/g, respectively. Scanning and transmission electron microscopy revealed that the granular sludge was dominated by methanogens resembling Methanosarcina.

引用

页码：631 / 637

页数：7

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