Method for preparing organic pollutant adsorbent for papermaking wastewater
A technology for organic pollutants and papermaking wastewater, applied in the fields of water pollutants, chemical instruments and methods, processing wastewater treatment, etc. High problems, to achieve the effect of low equipment investment cost, good adsorption performance, and reduction of COD content
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Embodiment 1
[0020] Take 1 ton of raw bentonite and burn it at 400°C for 90 minutes.
[0021] Prepare 200kg of 10% octadecyltrimethylammonium bromide, sprinkle it on the bentonite, and mix well.
[0022] The mixed bentonite was reacted at 40° C. for 20 days to obtain a bentonite product, and the bentonite was dried.
[0023] Add 100kg of diatomite and mix evenly with the bentonite product.
[0024] Grind the mixture and pass through a 325-mesh sieve to obtain the finished product.
Embodiment 2
[0026] Take 1 ton of raw bentonite and burn it at 500°C for 60 minutes.
[0027] Prepare 100kg of cetyltrimethylammonium chloride with a concentration of 5%, sprinkle it on the bentonite, and mix well.
[0028] The mixed bentonite was reacted at 50° C. for 10 days to obtain a bentonite product, and the bentonite was dried.
[0029] Add 250kg of diatomite and mix evenly with the bentonite product.
[0030] Grind the mixture and pass through a 200-mesh sieve to obtain the finished product.
Embodiment 3
[0032] Take 1 ton of raw bentonite and burn it at 450°C for 50 minutes.
[0033] Prepare 300kg of dodecyltrimethylammonium chloride with a concentration of 2%, sprinkle it on the bentonite, and mix well.
[0034] The mixed bentonite was reacted at 25° C. for 10 days to obtain a bentonite product, and the bentonite was dried.
[0035] Add 400kg of diatomite and mix evenly with the bentonite product.
[0036] Grind the mixture and pass through a 200-mesh sieve to obtain the finished product.
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