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PCE
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CPC Subgroup
C01B 32/324

from waste materials, e.g. tyres or spent sulfite pulp liquor

Full Title

Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) > Active carbon > Preparation > characterised by the starting materials > from waste materials, e.g. tyres or spent sulfite pulp liquor