污泥与玉米秸秆共热解制备吸附剂的研究

aking dehydrated sewage sludge from Xuzhou Treatment Plant as raw materials, through mixing corn stalk in different proportions to manufacture adsorbent containing carbon at different Pyrolysis temperatures. Test results show that adsorbent was produced with Straw in the same mixing ratio At 400 ℃ temperature, which can adsorb the largest number of iodine. And the adsorbent have wide aperture, but the tiny holes account for the small proportion, primarily are middle holes account for 65.4%, which have smaller surface area. The total pore volume increases with Pyrolysis temperature together, So pyrolysis of pure sludge have largest total pore volume at 700 ℃, which is 0.123 6 cc/g. Adsorbent is obtained by pyrolysis of sludge and straw mixed in the ratio of 5:5, have smaller total pore volume and more concentrated distribution, and middle holes account for 84.0%.