Abstract:

Technological progress of synthetic natural gas（SNG）is reviewed，mainly including direct synthesis from coal，indirect synthesis from syngas，methanation of carbon dioxide，synthesis from biomass and coke oven gas. The characteristics and the corresponding equipments for these technologies are discussed. By comparing their economical efficiencies and applicabilities，the development of the synthetic natural gas technologies is prospected.

摘要：

分析了合成天然气的技术发展现状，重点讨论了煤直接合成天然气、煤经合成气制取天然气、CO₂甲烷化合成天然气、生物质合成天然气、焦炉气合成天然气的技术特点、工艺流程以及相应设备。综合比较了各种合成天然气技术的经济性和适用性，展望了合成天然气技术的工业开发前景。