由化工部化肥司召开的“全国丙碳脱碳研讨会”于1990年11月13日至15日在杭州举行。参加会议的有53个单位95名代表,他们分别来自已采用该技术的中小型氮肥厂、纯碱厂、磷肥厂和正在建设为4万吨尿素3万吨磷铵配套的合成氨厂,以及科研、设计、大专院校 The “National Carbon Decarbonization Seminar” convened by the Chemical Fertilizer Department of the Ministry of Chemical Industry was held in Hangzhou from November 13th to 15th, 1990. At the meeting, there were 53 units and 95 representatives from the small and medium-sized nitrogenous fertilizer plants, soda ash plants, and phosphate fertilizer plants that had adopted the technology, and the synthetic ammonia plants that were under construction for 40,000 tons of urea and 30,000 tons of ammonium phosphate, and scientific research. Design, colleges and universities