Current status of patent technologies of coke oven gas to natural gas in China

Current status of patent technologies of coke oven gas to natural gas in China is described in this paper.Two main production processes of coke oven gas to natural gas are analyzed,named "coke oven gas methanation to natural gas" process and "coke oven gas purification and separation to natural gas" process.Patent applications of conversion technologies from coke oven gas to natural gas by organizations or individuals who have the technologies in China are introduced.It is pointed out that the project implementation of coke oven gas to natural gas has a very important significance for coking industry to develop energy-saving and emission-reduction circular economy.