Polyhydroxyalkanoate production as a side stream process on a municipal waste water treatment plant

被引：22

作者：

Pittmann, T. ^{[1
]}

Steinmetz, H. ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Sanit Engn Water Qual & Solid Waste Manageme, D-70569 Stuttgart, Germany

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 167卷

关键词：

Bioplastic; Biopolymer; Polyhydroxyalkanoates; PHA; Waste water; MIXED CULTURES; PHA PRODUCTION; ACTIVATED-SLUDGE; FATTY-ACIDS; STORAGE; BIOSYNTHESIS; ENRICHMENT; SUBSTRATE; MOLASSES; NITROGEN;

D O I：

10.1016/j.biortech.2014.06.037

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

This work describes the production of polyhydroxyalkanoates (PHAs) as a side stream process on a municipal waste water treatment plant (WWTP) at different operation conditions. Therefore various tests were conducted regarding a high PHA production and stable PHA composition. Influence of substrate concentration, temperature, pH and cycle time of an installed feast/famine-regime were investigated. The results demonstrated a strong influence of the operating conditions on the PHA production. Lower substrate concentration, 20 degrees C, neutral pH-value and a 24 h cycle time are preferable for high PHA production up to 28.4% of cell dry weight (CDW). PHA composition was influenced by cycle time only and a stable PHA composition was reached. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：297 / 302

页数：6

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