Novel sludge management options for a large UK water company

被引：1

作者：

Pearce, P. ^{[1
]}

Mills, N. ^{[1
,2
]}

Winter, P. ^{[1
]}

机构：

[1] Reading STW, Thames Water, Innovat Dept, Reading RG2 0RP, Berks, England

[2] Univ Surrey, Ctr Environm Strat, Guildford GU2 7XH, Surrey, England

来源：

WATER PRACTICE AND TECHNOLOGY | 2014年 / 9卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

anaerobic digestion; CHP; drying; heat; renewable energy; sludge;

D O I：

10.2166/wpt.2014.021

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Thames Water is the largest water company in the UK. The company treats about 400,000 tonnes dry solids (tds) p.a. sewage sludge. The company's current strategic investment plans focus on improving treatment through enhanced digestion and reducing the wet mass of sludge recycled to land. Thames recognises sludge as a resource and is evaluating advanced options to unlock the full energy potential from sludge. Anaerobic digestion has been the foundation of sludge treatment and, in combination with combined heat and power, is the main process for recovering renewable energy in Thames Water and in the UK Water Industry. It is our view that sludge drying is an essential stage for advanced energy recovery process technologies such as pyrolysis or gasification. Efficient use of waste heat is critical to the economic and environmental sustainability of sludge management. Innovative technologies are a key part for the vision to convert a water company into a renewable energy provider.

引用

页码：179 / 185

页数：7

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