Method for preparing chemical absorbent with porous mineral

Method for preparing chemical absorbent with porous mineral

  • CN 101,690,888 A
  • Filed: 10/16/2009
  • Published: 04/07/2010
  • Est. Priority Date: 10/16/2009
  • Status: Active Grant
First Claim
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1. method of utilizing porous mineral to prepare chemosorbent, it is characterized in that, comprise following steps:

  • 1, porous mineral is crushed to below 200 orders, with the alkali immersion treatment of the acid of 1mol/L~

    5mol/L or 0.5mol/L~

    2mol/L after 2~

    20 hours, alkali or acid neutralization with equivalent, acid is hydrochloric acid, sulfuric acid, nitric acid or acetic acid, and alkali is NaOH or potassium hydroxide;

    Said porous mineral is the mineral with pore structure;

    2, the porous mineral direct impregnation that will handle through the 1st step or etc. body be immersed in the liquor potassic permanganate of 3%~

    30% concentration, and then 105 ℃

    down oven dry obtain chemosorbent.

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