摘要 |
Granular active carbon, useful as absorbents for oil, was prepd. by reaction of S with high mol. wt. petroleum products at 170-400≦̸C in the presence of reaction media. Thus, light oil(b.p 185-350≦̸C) 200, C3H8-extracted asphalt 100, and S 150 were stirred at 230-5≦̸C for 4 hr and 900 rpm to give 145 g oil, a small amt. of agglomerated product, and 136 g granulate with length, width, and height 1-18, 1-7 and 1-3mm, resp., and S content 26%, which does not melt when heated rapidly from 400 to 1200≦̸C.
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