from：China Energy Investment Corporationdate：2020-09-21
Recently, the kerosene blended diesel developed by the China Energy Investment Corporation has been tested to meet the national standards of diesel for the type-0 diesel specially used in vehicles with compression ignition engines. The diesel blend, whose commercialization has begun, marks that China Energy has achieved the success in improving the techniques for directly liquefying coal into diesel. It is also the first successful attempt in the world to have an industrial blending of directly liquefied diesel and indirectly liquefied diesel.
The first batch of diesel blend is transported out of the factory for market.
China Energy is the only company in the world that simultaneously masters the core technologies of direct coal liquefaction and indirect coal liquefaction on a scale of 1 million tons. The diesel products produced by China Energy, either directly liquefied or indirectly liquefied, are all of high quality, and some indicators of the diesel are even higher than the current national standards for diesel.
The diesel produced through direct coal liquefaction process is dominated by naphthenic hydrocarbons, which are characterized by low content of sulfur, nitrogen, and cetane, high density, and low freezing point. The diesel produced through the indirect coal liquefaction process, by contrast, contains mainly n-alkanes and have high cetane content, low density and high freezing point.
Based on the complementary quality of the two diesel products, China Energy’s chemical company cooperated with the coal-to-liquid company of Ningxia Coal Industry Group to carry out the first domestic experiment, aiming to blend the diesel products separately produced by direct coal liquefaction and indirect coal liquefaction.
In August, 6,000 tons of indirect coal liquefied diesel produced by the coal-to-liquid company of Ningxia Coal Industry Group arrived in batches at the coal direct liquefaction plant in Ordos for scale blending and processing.
The blended diesel, balanced in freezing point and the content of cetane, started commercialization in September after a series of strict quality tests.
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