1) With the development of middle molecules research, spherical activeted carbon with better absorption for middle molecules can be used widely in biology, pharmacy,clinic iatrology, blood imbue, envirronment protection, gas defense, petroleum, chemical engineering and many industry fields,
2) Resin-based spherical activated carbons have smooth surface, black and bright blane and better spherical shape. Its size, specific surface area and pore volume can be controlled from 0.6mm to 1.0mm, from 950 to 1200m2/g and from 0.60 to 0.70ml/g, respectively. The intensity of each sphere is averagely 19N.
3) The adsorption amount of spheres for benzine is 452mg/g at static state
4) The decrease in the adsorption radio of spherical activated carbon with coating for VB12 which represent middle molecules, creafinine which represents a substance by metabolism in body and pheno barbital which refer to small molecules is happened, but metabolism degree is not large. In other words, spherical activated carbon with coating has not only wide absorptive range, but also keep the better adsorption performance
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