One-pot liquefaction process of biomass
A technology of biomass and biomass pretreatment, which is applied in the field of one-pot liquefaction of biomass, which can solve the problems of small amount of biomass transported by the pump, low yield of bio-oil, and unstable transportation, etc., to achieve smooth operation Effects on transport, volume reduction, and porosity reduction
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Embodiment 1
[0043] A one-pot liquefaction process of biomass, comprising the steps of:
[0044] Biomass Pretreatment
[0045] Put the rice straw and reed straw into the dryer and dry at 70°C for 5 hours until the moisture content is lower than 2wt%, and then send them into the superfine pulverizer for primary crushing, the median particle size after primary crushing is 100 μm, and then the primary crushing The pulverized rice straw and reed straw were fed into a plodder for compression extrusion molding at a temperature of 60°C and a pressure of 2 MPa, and then secondary pulverization. The median particle size after secondary pulverization was 30 μm. The bulk density of rice straw and reed straw after secondary crushing is 400kg / m 3 ,spare.
[0046] Catalyst preparation
[0047] S1. After the biochar is acidified, a biochar carrier is obtained;
[0048] S2. Vibrating and grinding the oxide of Mo and the above-mentioned biomass carbon carrier to obtain the biomass carbon loaded with...
Embodiment 2
[0057] A one-pot liquefaction process of biomass, comprising the steps of:
[0058] Biomass Pretreatment
[0059] Put the wheat straw and corn straw into the drier and dry at 110°C for 3 hours until the water content is lower than 2wt%, and then send them into the superfine pulverizer for primary crushing, the median particle size after primary crushing is 300 μm, and then the primary crushing The crushed wheat stalks and corn stalks were fed into the plodder for compression extrusion molding at a temperature of 30°C and a pressure of 5 MPa, and then secondary crushing was carried out. The median particle size after the secondary crushing was 50 μm. The bulk density of wheat straw and corn straw after the first crushing is 800kg / m 3 ,spare.
[0060] Catalyst preparation
[0061] S1. After the biochar is acidified, a biochar carrier is obtained;
[0062] S2. After the oxides of W, the oxides of Fe and the above-mentioned biomass charcoal carrier are subjected to plane gr...
Embodiment 3
[0071] A one-pot liquefaction process of biomass, comprising the steps of:
[0072] Biomass Pretreatment
[0073] Put the cotton stalks into the drier and dry them at 90°C for 4 hours until the water content is lower than 2wt%, and then send them into the superfine pulverizer for primary crushing. The median particle size after primary crushing is 230 μm, and then the primary crushed Cotton stalks are fed into the briquetting machine for compression extrusion molding at a temperature of 50°C and a pressure of 3.5 MPa, and then secondary crushing is carried out. The median particle size after the secondary crushing is 40 μm, and the The bulk density of cotton straw is 620kg / m 3 ,spare.
[0074] Preparation of biochar loaded with Mo oxide and Pd oxide
[0075] S1. After the biochar is acidified, a biochar carrier is obtained;
[0076] S2. Vibrating and grinding Mo oxides, Pd oxides, and the above-mentioned biomass charcoal carrier to obtain biochar with a particle size of...
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