A process for producing fuel oil and chemical raw materials from biomass
A chemical raw material and biomass technology, which is applied in the petroleum industry, preparation of liquid hydrocarbon mixtures, physical/chemical process catalysts, etc., can solve problems such as insufficient reaction and coke polycondensation, and improve biomass conversion rate and bio-oil yield. rate effect
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Embodiment 1
[0059] The first catalyst described in the present embodiment and the second catalyst preparation method comprise the steps:
[0060] Preparation of the first catalyst:
[0061] (1) Select dry distillation biomass charcoal as the first biomass charcoal carrier;
[0062] (2) loading the first active component on the first biochar carrier to obtain the first catalyst;
[0063] Specifically:
[0064] The first active component is iron oxide, and the first active component accounts for 50% of the mass of the first biomass charcoal carrier in terms of the mass of metal elements;
[0065] The loading process in step (2) is specifically: mixing the first biomass charcoal carrier and the first active component aqueous solution to form a suspension, adding a precipitant to precipitate the first active component on the first biomass On a carbon carrier, the first catalyst is obtained by washing and drying; wherein, the precipitating agent is an aqueous solution of at least one of amm...
Embodiment 2
[0071] A process for producing fuel oil and chemical raw materials from biomass, comprising the steps of:
[0072] The first catalyst used in the process is biomass carbon loaded with iron oxyhydroxide, and the second catalyst is biomass carbon loaded with molybdenum oxide.
[0073] (1) preparing a slurry containing the first catalyst, a vulcanizing agent and animal oil, introducing hydrogen into the slurry to generate a primary hydrogenation reaction, controlling the reaction pressure to 25MPa, and the reaction temperature to 200°C to obtain a primary hydrogenation product;
[0074] (2) Mix the second catalyst, vulcanizing agent and animal oil to prepare a catalyst oil slurry, add the catalyst oil slurry to the primary hydrogenation product and feed hydrogen to the secondary hydrogenation reaction, control the reaction pressure to 25MPa, and the reaction temperature is 380°C, and the secondary hydrogenation product is obtained;
[0075] (3) After the secondary hydrogenation ...
Embodiment 3
[0077] A process for producing fuel oil and chemical raw materials from biomass, comprising the steps of:
[0078] The first catalyst used in the process is amorphous iron oxide; the second catalyst is amorphous alumina loaded with W oxide and Ni oxide.
[0079] (1) Send the corn stalks into the drier and dry them until the water content is 5wt%, and then pulverize them in the pulverizer to a particle size of 1-50 μm, and then obtain the straw granules after ash removal, and mix the stalk granules, the first catalyst and petroleum Mix to form a slurry;
[0080] (2) After injecting high-pressure and medium-temperature hydrogen into the slurry for the first time, heat the slurry to 200°C, and then inject high-pressure and high-temperature hydrogen into the slurry for the second time, and control the volume ratio of the twice-injected hydrogen to the slurry to reach 600:1 to form the primary reaction raw material, the temperature of high-pressure and medium-temperature hydrogen ...
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