Treatment of toilet wastewater for reuse in a membrane bioreactor

被引：11
|
作者：
Boehler, M. [1 ]
Joss, A. [1 ]
Buetzer, S. [1 ]
Holzapfel, M. [2 ]
Mooser, H. [3 ]
Siegrist, H. [1 ]
机构：
[1] Swiss Fed Inst Environm Sci & Technol, Eawag, Dubendorf, Switzerland
[2] Terralink GmbH, Zurich, Switzerland
[3] Zermatt Bergbahnen AG, Zermatt, Switzerland
来源：
WATER SCIENCE AND TECHNOLOGY | 2007年 / 56卷 / 05期
关键词：
decoloration; maintenance of low loaded biomass; MBR; nutrient removal; seasonal load variation; sludge management; toilet waste water; water reuse;
D O I：
10.2166/wst.2007.557
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Toilet wastewater is treated and reused on site at Europe's highest membrane bioreactor (MBR), located in a cable car mountain station in the ski resort of Zermatt. Negative impacts on the sensitive mountain environment are minimised by reusing close to 100% of the treated wastewater for toilet flushing. Besides 100% nitrogen removal, 80% of phosphorus was also eliminated. This paper presents operational results, optimisations of sludge management, decoloration and long-term maintenance of biomass in the very low-loaded summer season. From a global view the experiences and results of the project are of great importance, proposing a solution to a problem existing 100-fold in the Alps as well as in and regions all over the world: reducing water consumption for sanitation by reuse.
引用
收藏
页码：63 / 70
页数：8
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