Carbon dioxide can be turned into waste and become a lithium battery electrolyte solvent. Oak's "New Energy Lithium Battery Electrolyte Solvent Project" has achieved this green goal. The appraisal committee unanimously believed that this technological achievement is the world's first and internationally leading, and is a successful example of green engineering and green chemistry application. It has opened up new opportunities for the utilization of carbon dioxide resources, energy saving of existing ethylene glycol processes and the ethylene oxide industry chain. approach, significant economic and social benefits, and broad application prospects. The 10,000-ton demonstration industrialized device built by Oak Co., Ltd. in Yangzhou has been running continuously for more than 5 months. The quality of the product DMC has reached the battery-level standard, and the quality of ethylene glycol is better than the national standard. It is reported that DMC has a wide range of application fields. In addition to electrolyte, it can also be used to produce environmentally friendly coatings, non-phosgene polycarbonate (PC) and various additives. At present, the vast majority of domestic DMC processes and production capacity are transesterification processes using propylene oxide (PO) as raw material. With the domestic planning and construction of a large number of non-phosgene PC devices and the development of environmentally friendly coatings, the demand for DMC is expected to increase in the future. Continued rapid growth. The new DMC process jointly developed by Oak and the Process Institute is not only energy-saving and efficient, but also circumvents the problem of limited PO industry chain, and has a very broad market development space.

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