合成氨

The new plant was to have a capacity of 30 tons of ammonia per day.

这个新工厂的规模是日产30吨合成氨。

Food additive - Liquid carbon dioxide ( from lime - Kiln and ammonia plant off gases )

GB10621-1989食品添加剂液体二氧化碳 （ 石灰窑法和合成氨法 ）

Copper - based CO temperature shift catalyst is the most important catalyst for ammonia synthesis and hydrogen plant.

铜基一氧化碳低温变换催化剂是合成氨、制氢装置最关键的经济型催化剂。

In view of cracks creating in the riser, the length of tube was replaced on site.

针对合成氨装置一段炉上升管出现的裂纹， 采用了现场局部更换裂纹部位管段的方法。

The improvement of Multiple centrifugal pump sealing protection ring for ammonia production was introduced.

介绍了合成氨生产中多级离心式打水泵密封保护环的改造。