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DEAR air separation not only has unique advantages in the production of oxygen, nitrogen and argon in air separation, but also has obtained achievements and technologies of different grades from 20000 to 100000 in biogas purification, carbon dioxide recovery and purification, coal bed methane liquefaction, coke oven gas purification and purge gas purification, etc., and has obtained a number of national practical technology invention patents Zhongyuan Oilfield Design Institute and some domestic well-known university research institutions have maintained good cooperation with DEAR air separation.
Since the project was put into use, the technology and after-sales service have been in place. Both the technical maturity, methane purity, methane yield, operation energy consumption and other indicators, as well as the equipment investment and system stability, safety, economy and practicability, have reached the domestic advanced level.
The cooperation with DEAR air separation company is very professional in the design, manufacture and installation of biogas purification and compression, and the later maintenance is also in place.