【摘要】 为净化黄磷尾气中的主要杂质HF、PH3、SO2、H2S、羰基硫(COS)和CS2,利用高浓度CO气体,采用自制的2种AC系列催化氧化催化剂,进行了黄磷尾气现场净化实验。实验结果表明:在中试实验碱洗塔中,HF可全部除去;之后对尾气进行小试实验,在温度为66℃,空速为800 h-1的条件下,AC系列催化剂能够净化脱除黄磷尾气中的PH3、SO2、H2S和CS2,但对COS的吸附净化不明显;其中AC-1型催化剂净化效果最好,可以使尾气中的PH3、SO2、H2S和CS2质量浓度低于0.1 mg/m3,且催化寿命长。更多还原

【Abstract】 In order to remove HF,PH3,SO2,H2S,COS and CS2 from yellow phosphorus tail gas,field experiments of removing impurities from yellow phosphorus tail gas are carried out,with high concentration of carbon monoxide and two self-made AC series of catalytic oxidation catalyst.The results show that HF is almost removed in the pilot-plant alkali washing tower.The result of small experiment indicate that impurities of PH3,SO2,H2S and CS2 can be removed with AC series of catalysts in the yellow phosphorus tail gas under 66℃ and space velocity of 800 h-1,but the effect of adsorptive purification of COS is not obvious.The mass concentration of PH3,SO2,H2S and CS2 could be decreased to less than 0.1 mg/m3 with AC-1 catalyst,and the AC-1 catalyst has a long lifetime.更多还原