Dolomite modified activated carbon desulfurization agent and its preparation method
A technology of activated carbon and dolomite, applied in chemical instruments and methods, and other chemical processes, can solve the problems of limited adsorption capacity of adsorbents, and achieve the effects of not easy to disintegrate, good adsorption and desulfurization performance, and increased strength
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[0009] A dolomite modified activated carbon desulfurizer, made of the following raw materials in parts by weight (kg): activated carbon 110, dolomite 21, montmorillonite 11, citric acid 3, polyacrylonitrile microspheres 4, modified attapulgite 9. Appropriate amount of water;
[0010] The modified attapulgite is made of the following raw materials in parts by weight (kg): attapulgite 110, sodium carbonate 3, bauxite 5, vanadium boride 1, jade powder 3, ferrous sulfate 1, titanium sulfate 15 , activated carbon 13, medical stone 2, lanthanum oxide 1, chromium oxide 3, morpholine 1, appropriate amount of water; put attapulgite, bauxite, jade powder, and activated carbon into the calciner, and calcined at 860°C for 4 hours , take it out, put it into an appropriate amount of water for grinding, adjust the pH value of the grinding liquid to 4, and grind for 1 hour to obtain a 100-mesh slurry, then adjust the pH value of the grinding liquid to be neutral, add other remaining ingredien...
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