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A1 1 0 - 1H型预还原催化剂升温还原以及运行情况。
2
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.