In the production of nitrophosphates by the mixed acid process the main components of the acidulation tail gas are nitrogen oxides, and the steam condensate from evaporation contains ammonia.
生产氢有多种方法:天然气的蒸气重整,水的电解,氨的分解,石油蒸馏和氯生产的副产品。
The equipment described in this paper as a kind of sewage treatment device possesses the advantages of both hydrolytic acidulation and biological contact oxidation.