Polypyrrole activated carbon catalyst and application thereof
A technology of activated carbon and catalyst, which is applied in the field of polypyrrole activated carbon catalyst, can solve problems such as environmental pollution, and achieve good catalytic performance, high conversion rate and high selectivity
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Embodiment 1
[0027] Weigh 2.5g of pyrrole and add 100ml of deionized water to dissolve it in a beaker, weigh 30g of coal-based activated carbon and add it to the pyrrole solution, soak it at 25°C for 8 hours, quickly drop into 50ml of a solution containing 2g of sodium persulfate to initiate polymerization, and polymerize for 24 hours , to obtain polypyrrole activated carbon, after the polypyrrole activated carbon was washed, dried at 140°C for 8 hours, and the dried activated carbon was calcined at 600°C under a nitrogen atmosphere for 6 hours to obtain a polypyrrole activated carbon catalyst.
[0028] Using the obtained polypyrrole activated carbon catalyst to catalyze the synergistic reaction of tetrachloroethane and acetylene to generate trichlorethylene and vinyl chloride, the reaction temperature is 250 ° C, the space velocity is 100 / h, the conversion rate of tetrachloroethane is 97.9%, and the conversion rate of acetylene is 90.8%. , The selectivity of trichlorethylene is 98.8%, and ...
Embodiment 2
[0031] Weigh 0.5g of pyrrole and add 100ml of deionized water to dissolve in a beaker, weigh 50g of coal-based activated carbon and add it to the pyrrole solution, soak for 8 hours at 25°C, quickly drop 50ml of a solution containing 2g of sodium persulfate to initiate polymerization, and polymerize for 24 hours , to obtain polypyrrole activated carbon, after the polypyrrole activated carbon was washed, dried at 140°C for 8 hours, and the dried activated carbon was calcined at 850°C under a nitrogen atmosphere for 4 hours to obtain a polypyrrole activated carbon catalyst.
[0032] Using the obtained polypyrrole activated carbon catalyst to catalyze the synergistic reaction of tetrachloroethane and acetylene to produce trichlorethylene and vinyl chloride, the reaction temperature is 250 ° C, the space velocity is 100 / h, the conversion rate of tetrachloroethane is 57.9%, and the conversion rate of acetylene is 50.8%. , The selectivity of trichlorethylene is 98.5%, and the selectiv...
Embodiment 3
[0035] Weigh 6.0g of pyrrole and add 100ml of deionized water to dissolve it in a beaker, weigh 30g of coconut shell activated carbon and add it to the pyrrole solution, soak it at 25°C for 8 hours, quickly drop into 50ml of a solution containing 2g of sodium persulfate to initiate polymerization, and polymerize for 24 hours , to obtain polypyrrole activated carbon, after the polypyrrole activated carbon was washed, dried at 100°C for 15 hours, and the dried activated carbon was calcined at 400°C under a nitrogen atmosphere for 6 hours to obtain a polypyrrole activated carbon catalyst.
[0036] Using the obtained polypyrrole activated carbon catalyst to catalyze the synergistic reaction of tetrachloroethane and acetylene to generate trichlorethylene and vinyl chloride, the reaction temperature is 250 ° C, the space velocity is 100 / h, the conversion rate of tetrachloroethane is 90.5%, and the conversion rate of acetylene is 86.2%. , The selectivity of trichlorethylene is 97.8%, ...
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