Polyvinylidene chloride beads were first heated at 185℃ and then pyrolyzed at 960℃ undernitrogen atmosphere in a tube-racking furnace. The surface area of the spherical carbonized ad-sorbent exceeds 1
00 M2/g and its adsorbing rate for creatinine is over 99%. The mechanical strengthof the spherical carbonized adsorbent
0. 6--0. 8 mm in diameter
is quite good.
Abstract
Polyvinylidene chloride beads were first heated at 185℃ and then pyrolyzed at 960℃ undernitrogen atmosphere in a tube-racking furnace. The surface area of the spherical carbonized ad-sorbent exceeds 1
00 M2/g and its adsorbing rate for creatinine is over 99%. The mechanical strengthof the spherical carbonized adsorbent
0. 6--0. 8 mm in diameter
is quite good.
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