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催化剂生产过程含NOx尾气的治理技术

Petrochemical Technology & Application(2014)

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Abstract
研究了采用NaOH溶液和酸性尿素溶液吸收催化剂生产过程中产生含NOx废气的最佳氧化度、NOx去除率、废液排放和吸收液消耗问题.结果表明,2种吸收液的吸收效率均大于90%,尿素溶液的吸收效率比NaOH溶液高;2种吸收液的最佳氧化度均为60%;氧化度适当时吸收液的使用周期可达2~5个月;废气处理量为2 000 m3/h时,NaOH、尿素的消耗量分别为2.2,2.4 kg/h.
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Key words
no_x tail gas,catalyst
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