GB/T 30044-2013
ActiveCoal direct liquefaction―Determination of constituents of heavy products―Solvent extract
煤炭直接液化 液化重质产物组分分析 溶剂萃取法
Application Summary AI generated
This standard specifies a solvent extraction method for determining the composition of heavy products from coal direct liquefaction. It is applied in the coal chemical industry to analyze the content of oils, asphaltenes, and preasphaltenes in liquefaction residues or heavy fractions. The method supports process optimization, catalyst evaluation, and quality control in coal-to-liquid fuel production.
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