Preparation and application method of bio-based long-chain alcohol-ether oxygenate diesel additives

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United States of America Patent

PATENT NO 11492319
SERIAL NO

17289248

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Abstract

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A biomass-based long-chain alcohol ether oxygenated additive and a preparation method and application thereof are disclosed. The additive used agricultural and forestry wastes as raw materials, and has a general chemical formula of R—(O—C1-3)n—R—OH. The preparation method includes the following steps: step 1, performing drying pretreatment on biomass raw materials, performing rapid pyrolysis under an inert atmosphere to obtain a pyrolysis product containing water, gases, water-phase bio-oil and oil-phase bio-oil, separating out the water-phase bio-oil and performing catalytic hydrogenation on the water-phase bio-oil to obtain polyols; step 2, performing catalytic dehydration on the polyols obtained in step 1 under a basic catalyst system to obtain epoxyalkane; and step 3, making the epoxyalkane obtained in step 2 and methanol undergo a reaction under a molecular sieve catalyst and removing the solid catalyst by separation to obtain the long-chain alcohol ether oxygenated additive.

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  • SOUTHEAST UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Yuan Nanjing, CN 279 2566
Wang, Ziwei Nanjing, CN 21 463
Wu, Shiliang Nanjing, CN 3 1
Xiao, Rui Nanjing, CN 33 75

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