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破解氨法脫硫脫硝技術難題

作者:schg    發布時間:2018-06-24 13:47:59

燒結機、鍋爐、水泥煅燒窯爐等燃煤設備在生產運行中排放大量含有SO2NOx的煙氣,已成為大氣環境污染的主要來源,其有效的解決辦法就是應用煙氣脫硫和脫硝技術進行煙氣治理。

在煙氣脫硫方面,國內外廣泛采用基于石灰石為原料的石灰石-石膏法,工藝設備已相當成熟,但其產生新的CO2氣體和石膏廢渣問題亟待解決。為解決這一問題,以氨為原料的氨法脫硫路線被提出,該技術可將SO2轉換為高效化肥

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