木炭怎么变成活性炭的化学反应式(How to become a chemical reaction type charcoal activated carbon)
木炭怎么变成活性炭的化学反应式(How to become a chemical
reaction type charcoal activated carbon)
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A chemical reaction type charcoal activated carbon to solve |: 0 time: 2009-9-19 15:36 | questionger: rainy umbrella
The best answer is not a chemical change, no formula
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The other answer is 3
No matter the chemical reaction, no change, no chemical equation. Answer: fee5225257 | three | 2009-9-14 20:40
The main component of C into charcoal, charcoal principle for the formation of micropores.
Physical activation method (high temperature): C+H2O - CO+H2, C components into gas burning, the formation of microporous charcoal,
Chemical activation method (high temperature): C+KOH, K2CO3+H2, K2CO3+C, K2O+CO, K2O+C, K+CO, reaction type more chemical activation reaction can also generate CO2, CO2+C, CO reaction occurred at the same time.
The principle of burning loss of moisture and volatile charcoal, the formation of porous structure, with strong surface effect. Charcoal into a high surface area activated carbon precursor. Answer: kuangwuyao3340 | level |
2009-9-15 10:14
It is very complex: physical method, most is water vapor, and the water gas reaction reaction equation.
When the chemical method is simple, the dehydration of organic reaction.
The former is: water + carbon - carbon dioxide (CO + H2)
The latter is: organic matter + zinc chloride (alkali) - carbon + water
The former may be some people see more confused, in fact in the former generation of activated carbon has two steps: one is carbonized, another is activated. After carbonization, the pore structure of activated carbon has been basically formed in the water vapor as the aperture line erosion, resulting in more original holes, and the formation of new microporous and mesoporous.
The latter is only one step, activated carbon, wood chips and chemicals directly by the dehydration reaction in this way with high yield.
I just sell imported activated carbon
The above remarks for reference
The consequences of your own answer: hs6kk0140 | four | 2009-9-15 16:41
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