作为一种化学原料，它也被用于制造杀虫剂、提纯水、净化污水和制氨。
As a chemical it's also used in insecticides, water purification, sewage treatment and the production of ammonia.
充分利用合成氨装置现有条件，在CO提纯装置上成功采用NHD溶剂脱硫、脱碳净化技术。
Make full use of existing conditions of ammonia plant, the purification technologies such as NHD sulfur removal, carbon removal are successfully adopted in co purification plant.
澄清，净化，洁净，纯化，提纯。
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