Oil-water separation is critical to solvent extraction process of rare earth, which can directly affect the yield and quality of the product. The experiments me
The CNPC Group has successfully developed a largescaleethylene production package technology with independentintellectual property rights, which has beensuccess
<正> Petro China's first key scientific and technical project—the5 kt/a hexane-1 unit has been set up at Daqing Petrochemi-cal Complex (DPC).DPC is engagin