ammonia nitrate is made from ammonia liquor containing methanol with polypropylene hollow fiber membrane. methanol is unremarkable influence to recover ammonia and to produce ammonia nitrate.
针对合甲醇的稀氨水,用中空纤维气态膜法回收氨制取硝酸铵,甲醇对回收氨及制取硝酸铵的过程无不良影响。
microporous polypropylene hollow fiber membranes were prepared by the melt spinning and cold stretching (mscs) method.
采用熔融挤出拉伸法制备了聚丙烯中空纤维膜。
preparation and characterization of polypropylene hollow fiber membranes modified by cysteine;
半胱氨酸改性聚丙烯中空纤维膜的制备及表征;
these restricted the application of membrane bioreactors. in this paper, polypropylene hollow fiber membrane was characterized and used in a new process of rmbr.
本文将聚丙烯中空纤维膜应用在rmbr中,在聚丙烯中空纤维膜进行了表征的基础上,对rmbr的运行新工艺进行了研究。