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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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电石渣在煅烧/氯化反应中的hcl脱除特性研究
, PP. 560-566
Keywords: 电石渣,煅烧反应,氯化反应,hcl脱除
Abstract:
？采用钙基废弃物——电石渣煅烧后脱除hcl。在煅烧/氯化反应器上研究脱氯反应温度、hcl体积分数、颗粒粒径和煅烧温度对电石渣脱氯性能的影响。结果表明，电石渣在700℃时取得最高氯化转化率；脱氯反应温度高于650℃后，电石渣氯化转化率均高于石灰石，电石渣高温脱氯更有优势。电石渣氯化转化率随反应气氛中hcl体积分数提高呈线性增长。随电石渣颗粒粒径增大，氯化转化率缓慢降低。高于900℃的煅烧温度不利于电石渣脱除hcl。煅烧后电石渣分布在2~10nm的孔隙较多，氯化后分布在此孔径范围内的孔容和孔面积分别降低了56.2%和62.2%，2~10nm孔隙是煅烧后电石渣吸收hcl的主要区域。
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