PERIPLASMIC AND INTRACYTOPLASMIC POLYPHOSPHATE AND EASILY WASHABLE PHOSPHATE IN PURE CULTURES OF SEWAGE BACTERIA

被引：19

作者：

STREICHAN, M ^{[1
]}

SCHON, G ^{[1
]}

机构：

[1] MIKROBIOL,INST BIOL 2,SCHANZLESTR 1,W-7800 FREIBURG,GERMANY

来源：

WATER RESEARCH | 1991年 / 25卷 / 01期

关键词：

ACTIVATED SLUDGE; BIOLOGICAL PHOSPHORUS REMOVAL; PHOSPHATE PRECIPITATION; CELL SURFACE POLYPHOSPHATE; POLYPHOSPHATE-ACCUMULATING BACTERIA; ACINETOBACTER;

D O I：

10.1016/0043-1354(91)90092-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Polyphosphate-accumulating bacteria of activated sludge from sewage plants can remove and store phosphorus from wastewater in different, specific ways: Acinetobacter strains with enhanced phosphorus accumulation stored polyphosphate inside the cell as cytoplasmic inclusions. Moraxella (strain St-8) stored polyphosphate intracytoplasmically, as well as in the periplasm. In addition, this strain could fix phosphate on the cell surface in high concentrations already at pH values below pH 8.0. This phosphate could be washed off by Tris-HCl buffer. From these results, we conclude that in sewage plants phosphorus is also fixed in different ways in or on the biomass during the biological removal of excess phosphorus in the activated sludge process.

引用

页码：9 / 13

页数：5

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