Technical bases for coproduction of ammonia and synthesis gas are analyzed. Feasibility study is discussed briefly. Process flowsheet is also put forward.

分析了大型合成氨、合成气联产的技术基础，初步探讨该流程的可行性，提出了氨、合成气联产的工艺流程。

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There are two manufacturing methods of pyridine bases: extraction from coal tar and catalytic synthesis from ammonia, formaldehyde and acetaldehyde.

吡啶碱的生产方法主要有两种：一是从煤焦油中提取；二是从氨和甲醛、乙醛的合成过程中获得。

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