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Flue gas cleaning process for municipal refuse incineration plants

机译:市政垃圾焚烧厂的烟气清洁工艺

摘要

In a process for removing pollutants, especially chlorine, hydrogen chloride, and sulphur dioxide, from the flue gases from a refuse incineration plant, a sorbent is introduced into the flue gas stream, together with air or recirculated flue gas, before it enters the boiler (9) forming part of the incineration plant. The products of reaction between the sorbent and the pollutants are subsequently removed in a filter (10). The sorbent, consisting substantially of metal oxides, is the fine 0-2 mm fraction of the ash arising in the incineration process and extracted from it in a dry state.
机译:在从垃圾焚烧厂的烟道气中去除污染物,特别是氯,氯化氢和二氧化硫的过程中,吸收剂与空气或再循环烟道气一起进入烟道气,然后进入锅炉。 (9)构成焚化厂的一部分。吸附剂和污染物之间的反应产物随后在过滤器(10)中被除去。吸附剂主要由金属氧化物组成,是焚烧过程中产生的,干态从灰分中提取的灰分中的0-2 mm。

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