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主營產(chǎn)品: 活性炭
沼氣脫硫?qū)S脽煔饷摿騽I(yè)生產(chǎn)銷售-九澤
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¥1060.00
≥1
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廢脫硫劑的成分
![](https://img.zhaosw.com/upload/images/903/651/4abd2f7c-3b1c-4003-b9a8-23d3396e7f56.jpg)
![](https://img.zhaosw.com/upload/images/903/651/3f8fdd3d-1dcc-43d4-9690-9b1060cbbdc5.jpg)
陶瓷廠煤氣脫硫劑選用應(yīng)注意以下幾個方面
一:正確選型:根據(jù)煤氣中帶飽和水蒸汽缺氧等特點,選用常溫氧化鐵脫硫劑較為合理,根據(jù)煤氣中H2S含量的高低及氣量選擇硫容高、中、低三種常溫氧化鐵脫硫劑。
二:煤氣脫硫前必順經(jīng)過電捕焦除去煤氣中的焦油.
三:選擇合理的使用溫度:常溫氧化鐵脫硫劑的合適使用溫度為20--80度
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脫硫再生主要反應(yīng)原理:
Fe2O3·H2O+3H2S=Fe2S3·H2O+3H2O (1)
Fe3O3·H2O+3H2S=2FeS+S+4H2O (2)
脫硫劑堿性時,反應(yīng)按(1)式向右進(jìn)行。當(dāng)脫硫劑呈酸性時反應(yīng)則按(2)式進(jìn)行。在常溫下再生時,反應(yīng)(1)中生成的硫化鐵易于再生,再生反應(yīng)按下式進(jìn)行。
Fe2S3·H2O+3/2O2=Fe2O3·H2O+3S (3)
如果待脫硫氣體中,氧化和H2S的分子比>2.5時,脫硫和再生同步進(jìn)行,因此在有氧堿性氣氛條件下有利于氧化鐵脫硫劑的正常使用。
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