煤制天然气通常指采用已开采原煤,经过气化工艺来制造合成天然气(Synthetic Natural Gas, SNG)。在实践中,业界往往把煤地下气化(亦称为地下采煤,Underground Coal Gasification, UCG)也作为煤制天然气的一种。全世界已投产的工业级煤制天然气装置较少,而中国的煤制天然气在规划产能层面规模列世界之最。
煤制天然气项目的经济性要考虑多方面因素。
Multiple factors should be taken into account in evaluating the economic viability of a coal gasification project.
与大唐集团等合资各方签署了大唐煤制天然气项目出资协议。
An investment agreement was signed with Datang Group, etc for Datang Coal-based Natural Gas Project.
实验研究等离子体射流共裂解天然气和煤制乙炔。
This thesis is concerning the acetylene produced through co-cracking coal and natural gas by plasma jet.
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