通过现场查定,发现氮肥厂的碳化、铜洗和氨分这些凡是有氨性液体和气体接触的过程都对有机硫进行着不同程序的脱除,并具有各自的净化规定。指出搞好这些工序的脱硫工作对精脱硫是非常重要的。 Through the on-site investigation, it was found that the processes of carbonation, copper washing and ammonia separation of nitrogenous fertilizer plants which have contact with ammonia liquid and gas all have different procedures for the removal of organic sulfur and have their own purification regulations. It is pointed out that it is very important for the desulfurization of fine desulfurization to do well these processes.