Biocoke gasification catalyst and biocoke catalytic raw material
A biocoke and catalyst technology, applied in the field of biocoke gasification, can solve the problems of difficulty in large-scale use, high cost of potassium carbonate biocoke catalytic gasification, etc., achieve low price, improve water conversion rate and syngas Productivity, effect of gasification reaction activity promotion
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Embodiment 1
[0036] Weigh 1.1g of KCl and add it to 20g of water, and mix well to obtain a KCl aqueous solution, then weigh 14g of rice husk pyrolysis biocoke with a particle size of less than 2mm, mix it with the KCl aqueous solution, and process it under stirring for 6 hours; then mix the uniform The material was dried in a blast drying oven at 80°C for 6 hours to obtain biocoke impregnated with KCl, and the above sample was mixed with 0.91g CaCO 3 Mix evenly, then put it into a blast drying oven and dry it at 120°C for 4 hours, then put the obtained sample into a microwave fixed bed reactor for steam gasification reaction, the reaction conditions are: temperature 850°C, normal pressure , the flux of water was 0.5mL / min, and after 50min of reaction, the average water conversion rate during the reaction process was 84%, and the synthesis gas yield was 1068g / kg biocoke.
Embodiment 2
[0038] Weigh 16g rice husk pyrolysis biochar with a particle size less than 2mm, 0.7g KCl, 0.43g CaCO 3 , mix the above samples evenly, and then put them into a blast drying oven and dry at 105°C for 5 hours to obtain catalyst-loaded biocoke. Put the above samples into a microwave fixed-bed reactor for steam gasification reaction. The conditions are: temperature 800°C, normal pressure, water flux 0.6mL / min, after 40 minutes of reaction, the average water conversion rate during the reaction process is 75%, and the synthesis gas yield is 893g / kg biocoke.
Embodiment 3
[0040] Weigh 13g of rice husk pyrolysis biochar with particle size less than 2mm, 1.5g of NaCl, 0.6g of CaCO 3, mix the above samples evenly, and then put them into a blast drying oven and dry at 110°C for 5 hours to obtain catalyst-loaded biocoke. Put the above samples into a microwave fixed-bed reactor for steam gasification reaction, and react The conditions are: temperature 850°C, normal pressure, water flux 0.35mL / min, after 65 minutes of reaction, the average water conversion rate during the reaction process is 85%, and the synthesis gas yield is 1140g / kg biocoke.
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