Process for purifying high-temperature reducing gases
    6.
    发明授权
    Process for purifying high-temperature reducing gases 失效
    净化高温还原气体的工艺

    公开(公告)号:US5427752A

    公开(公告)日:1995-06-27

    申请号:US073652

    申请日:1993-06-07

    摘要: A process for purifying high-temperature reducing gases containing sulfureous contaminants including hydrogen sulfide and carbonyl sulfide with an absorbent, said process characterized in that at least three reactor towers which are filled with an absorbent are used, and said process comprises the three steps of absorption, regeneration, and reduction, and during in a part of operation two reactor towers are connected in series so as to carry out regeneration, and O.sub.2 concentration can be controlled separately for each regenerating reactor tower in the regeneration step, and steam can be supplied so as to prevent excessive reduction of the absorbent from occurring in the reduction step. The life of the absorbent can be extended and operational costs may be reduced.

    摘要翻译: 一种用吸收剂净化包含硫化氢和羰基硫化物的含硫污染物的高温还原气体的方法,所述方法的特征在于,使用填充有吸收剂的至少三个反应器塔,所述方法包括三个步骤的吸收 ,再生和还原,并且在操作的一部分期间,两个反应器塔串联连接以进行再生,并且在再生步骤中可以分别对每个再生反应塔进行O2浓度控制,并且可以供应蒸汽 以防止在还原步骤中发生吸收剂的过度减少。 吸收剂的寿命可以延长,并且可以降低操作成本。