Sludge incineration is a sewage sludge treatment process using incineration. It generates thermal energy from sewage sludge produced in sewage treatment plants. The process is in operation in Germany where Klärschlammverbrennung GmbH in Hamburg incinerates 1.3m tonnes of sludge annually. The process has also been trialed in China, where it has been qualified as an environmental investment project.[1] However the energy balance of the process is not high, as sludge needs drying before incinerating.[2]
Sewage sludge can be incinerated in mono-incineration or co-incineration plants. In co-incineration, sewage sludge is not the only fuel and it can be processed at coal fired power plants, cement plants and in some waste incineration facility.[3]
^中国投资: 第 7-12 期 China State Planning Commission. Guojia jihua weiyuanhui - 2007 - 主要将绍兴印染行业的污泥焚烧发电。国家发改委将该项目列为国家示范项目.以带动全国 600 多家污水处理厂进行污泥深化处理.并形成一个全新产业。
^Christian Streffer, Carl Friedrich Gethmann, Klaus Heinloth Ethische Probleme einer langfristigen globalen Energieversorgung 2005 p246 "Allein die Klärschlammverbrennung GmbH in Hamburg etwa erzeugt durch die Verbrennung von 1,3 Millionen Tonnen Klärschlamm jährlich 66 ... kWh Wärme.540 Die energetische Bilanz der Klärschlammverbrennung ist allerdings nicht allzu hoch, ..."
^Cite error: The named reference :1" was invoked but never defined (see the help page).
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