The replacement of the ammonia synthesis catalyst and the reduction by heating of Type A110-1H prereduced catalyst and its operation are summed up.
总结了氨合成催化剂更换及A11 0 - 1H型预还原催化剂升温还原以及运行情况。
Synthesis process of dimethyl carbonate is reviewed. Oxidative carbonylation of methanol to DMC and the possibilities of replacement of DMS and COCl_2 by DMC are discussed.
讨论了碳酸二甲酯的合成工艺，主要介绍氧化羰基合成工艺，并对碳酸二甲酯取代硫酸二甲酯和光气市场的可能性进行了分析。
Synthesis process of dimethyl carbonate is reviewed. Oxidative carbonylation of methanol to DMC and the possibilities of replacement of DMS and COCl_2 by DMC are discussed.
讨论了碳酸二甲酯的合成工艺，主要介绍氧化羰基合成工艺，并对碳酸二甲酯取代硫酸二甲酯和光气市场的可能性进行了分析。
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