Abstract：Both liquid phase hydrogenation unit and resin quality improvement unit of Shouyang Chemical Coporation Ltd., have the effect of improving the uv transmittivity of ethylene glycol and reducing the aldehyde content, but the liquid phase hydrogenation unit has a long service life and stable UV promotion, while the resin refining unit has a short service life and unstable UV promotion. By modifying the existing operating unit and directly hydrogenating the refined ethylene glycol produced by the original distillation unit in liquid phase, the uv transmittance and aldehyde content of the product ethylene glycol could be greatly improved, which could partially or completely replace the existing resin refining unit. The system has achieved stable economic operation.
宋 俊，白一霈. 煤制乙二醇产品直接液相加氢技术应用[J]. 煤炭与化工, 2021, 44(12): 126-128.
Song Jun， Bai Yipei. Application of direct liquid phase hydrogenation of ethylene glycol from coal. CCI, 2021, 44(12): 126-128.
