1. The dephosphorizing effect by a series filtration, repulping (acidulation) and water washing process in WPA production is studied.
对湿法磷酸生产流程中串联再浆（酸化）水洗的降磷效果进行了实验研究。
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2. The equipment described in this paper as a kind of sewage treatment device possesses the advantages of both hydrolytic acidulation and biological contact oxidation.
本设备集水解酸化和生物接触氧化两者优点于一体，是一种处理生活污水的中小型装置。
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3. 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。
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4. 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.
