Method for preparing liquid fuel by catalyzing lignin with Ni-ReOx/Al2O3
A technology for liquid fuel and lignin, which is used in the preparation of liquid hydrocarbon mixtures, the petroleum industry, and the treatment of hydrocarbon oil, etc., can solve problems such as difficult and efficient degradation and utilization, and achieve the effects of high yield, mild reaction conditions, and reduced catalytic costs.
Inactive Publication Date: 2019-07-30
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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Abstract
The invention relates to a method for preparing cycloalkane liquid fuel by catalyzing lignin with Ni-ReOx/Al2O3, and particularly relates to a method for preparing cycloalkane liquid fuel by the following steps: taking Ni-ReOx/Al2O3 as a catalyst, taking water as a reaction medium and hydrodeoxidizing various model compounds such as beta-O-4, alpha-O-4, 4-O-5 and lignin raw materials. According tothe method, a one-step catalytic conversion process is carried out under a mild condition, so that the preparation of the cycloalkane liquid fuel by the hydrogenation and deoxidation of lignin is achieved, and the yield is as high as more than 85%. According to the method, renewable natural biomass is used as a raw material, and the raw material is cheap and wide in source; inorganic acid and alkali are not required to be used in the reaction process, so that the generation of a large amount of acid liquor catalyzed by traditional lignin is avoided; the reaction condition is mild, the selectivity of cycloalkane products is high, and the catalyst has the advantages of longer service life, higher reaction activity, environmental friendliness and the like. The method provides a mild depolymerization strategy for preparing the liquid fuel from renewable lignin resources, and simultaneously opens up a new way for producing the liquid fuel by a non-petroleum route.
Application Domain
Liquid hydrocarbon mixture productionHydrocarbon oils treatment
Technology Topic
CycloalkaneChemistry +8
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