A kind of preparation method of deodorizing sludge charcoal cloth
A technology for sludge charcoal and sludge is applied in the field of preparation of deodorizing materials, which can solve the problems of uneven distribution of activated carbon powder on the surface of carbon cloth, large energy consumption in the preparation process, and difficulty in industrialization promotion, etc., and achieves good deodorization effect and low cost. , the effect of reducing the production cost
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preparation example Construction
[0034] A preparation method of sludge charcoal cloth, characterized in that: the preparation of sludge charcoal cloth includes the preparation of powdered sludge charcoal, the preparation of sludge charcoal mixture, and the coating process, and consists of the following steps:
[0035] Step 1: Put the corn cob ash in a beaker, add water according to the solid-liquid ratio (m / V) of corn cob ash to water (m / V) of 1:23~1:25, heat at 80°C~90°C, stir, and filter to retain the filtrate As corn cob ash extract;
[0036] Step 2: Take the remaining sludge particles smaller than 80 mesh as raw materials, mix and immerse the sludge and corn cob ash extract according to the solid-to-liquid ratio (m / V) 1:45~1:50 for 16 hours~24h. The sludge is put into an oven and dried at 80℃~90℃;
[0037] Step 3: Put the dried sludge into a tubular resistance furnace at a carbonization temperature of 550℃~600℃, a heating rate of 8℃ / min~10℃ / min, a carbonization time of 75min~90min, under nitrogen protection Ca...
example 1
[0044] Mix 2.0g corn cob ash with 50ml distilled water to prepare the plant ash leaching solution. Place the leaching solution in a beaker, cover the mouth of the beaker with an evaporating dish, and heat the leaching solution to 80°C~90°C and continue Stir, stop heating and stirring after 2 hours, filter and retain the filtrate; pass the collected residual sludge of the sewage plant through an 80-mesh sieve, mix 1.0g of sludge with 45ml of corn cob ash extract, and use a glass rod after mixing Stir so that the sludge can be immersed in the leaching solution. Seal the beaker containing the mixed solution with a sealing film. The immersion time is 24h. After taking it out, remove the sealing film, and put the beaker containing the sludge in the oven at 85 Dry at ℃, and put the dried sludge into a tubular resistance furnace; set the carbonization temperature to 600℃, carbonization time to 75min, and heating rate to 10℃ / min to carbonize the sludge; put the carbonized material Add ...
example 2
[0046] Mix 2.0g corn cob ash with 50ml distilled water to prepare a plant ash leaching solution. Place the leaching solution in a beaker, cover the mouth of the beaker with an evaporating dish, and heat the leaching solution to 80°C~90°C continuously Stir, stop heating and stirring after 2 hours, filter and retain the filtrate; pass the collected sludge from the sewage plant through an 80-mesh sieve, mix 1.0g of sludge with 50ml of corn cob ash extract, and use a glass rod after mixing Stir so that the sludge can be immersed in the leaching solution. Seal the beaker containing the mixture with a sealing film. The immersion time is 24h. After taking it out, remove the sealing film, and put the beaker containing the sludge in an oven at 85℃ Dry, put the dried sludge into a tubular resistance furnace; set the carbonization temperature to 600°C, the carbonization time to 75min, and the heating rate to 10°C / min to carbonize the sludge; put the carbonized material Add distilled water...
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