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 )

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The problems in selection and application of ammonia catalyst employed in Small & Medium - sized ammonia plant introduced.

指出了 中小型 氨合成装置合成催化剂选择与应用中存在的问题.

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Presents the water washing of methanation catalyst used in ammonia plant of Daqing chemical fertilizer plant.

介绍中石油大庆石化公司化肥厂合成氨装置甲烷化催化剂水洗情况.

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