The second step is to mix phosphoric acid, acetone, chloroquinone and heavy oil chemicals according to the specified weight fraction to get a mixed solution.
The third step is to add the raw coconut shell particles into the mixture, stir them evenly and keep them for 1-3 hours to obtain the mixture A. The fourth step is to mix the carbon activation of solution A to obtain the activated carbon of acidic coconut shell.
The fifth step is to rinse and deacidify the activated carbon particles containing acidic coconut shell, recover the waste acid, and get neutral coconut shell activated carbon particles.
The sixth step is to dry the neutral coconut shell activated carbon particles to make the finished coconut shell activated carbon.
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