在从富惰性合成气生产甲醇期间,将催化预反应器安装在单级或多级合成回路的上游,在催化预反应器中合成气的第一部分转化为甲醇。惰性气体分离阶段,例如变压吸附系统或膜系统,可以连接在合成回路的下游,由此富氢合成气流可以返回到 During the production of methanol from a rich inert syngas, the catalytic pre-reactor is installed upstream of a single-stage or multistage synthesis loop in which the first part of the syngas is converted to methanol. An inert gas separation stage, such as a pressure swing adsorption system or membrane system, may be connected downstream of the synthesis loop whereby the hydrogen rich syngas stream may be returned to