on may 7, the coal direct liquefaction and oil slurry extraction and separation technology, developed by chn energy's chemical industry company, passed the scientific and technological achievements appraisal organized by the china national coal association in beijing. experts unanimously believe that the project's achievements are original, and the overall technology has reached the internationally leading level.
the high-efficiency coal direct liquefaction and oil slurry extraction and separation technology, independently developed by chn energy's chemical industry company, can achieve an asphalt recovery rate of over 95%, a solvent recovery rate of 99% and a solid removal rate of over 99%, and reduce the asphalt ash content to below 0.1%. chn energy has also built the world's first coal direct liquefaction and oil slurry extraction and separation demonstration project with an annual output capacity of 350,000 tons, realizing the commercial production of coal-liquefied asphalt products.