HE Bing-lin, Yu Yan-seng, Qian Ting-bao, Zong Jian-chao, SHI Zuo-qing. INVESTIGATION OF A NEW TYPE OF ADSORBENT——SPHERICAL CARBONIZED ADSORBENT III.[J]. Acta Polymerica Sinica, 1984,(4):283-287.
HE Bing-lin, Yu Yan-seng, Qian Ting-bao, Zong Jian-chao, SHI Zuo-qing. INVESTIGATION OF A NEW TYPE OF ADSORBENT——SPHERICAL CARBONIZED ADSORBENT III.[J]. Acta Polymerica Sinica, 1984,(4):283-287.DOI:
Polyvinylidene chloride beads were first heated at 185℃ and then pyrolyzed at 960℃ under nitrogen atmosphere in a cracking furnace. The surface area of the spherical carbonaceous absorbent exceeds 1
000M2/g
and its capacity for adsorbing crea-tinine is over 99%. The mechanical strength of the spherical carbonaceous adsorbent 0.6-0.8 mm in diameter is quilt good.