Preparation of activated carbonaceous material from sewage sludge and sulfuric acid
Conversion of cellulose into charcoal Patent #: 4318710
ApplicationNo. 06/355883 filed on 03/08/1982
US Classes:502/418, Process utilizing solid or liquid source carbonizable material, or product thereof423/445R, Elemental carbon44/606, Wood, sawdust or paper502/180Elemental carbon
ExaminersPrimary: Dees, Carl F.
Attorney, Agent or Firm
International ClassesC12P 7/02 (20060101)
C12P 7/10 (20060101)
C10L 5/44 (20060101)
C10L 5/40 (20060101)
C13K 1/02 (20060101)
C13K 1/00 (20060101)
AbstractA process for converting wood stock or other cellulosic material into activated charcoal, use being made for this purpose of liquid anhydrous hydrogen chloride which converts the stock into a charcoal-like substance or charwood which is thereafter heated in a controlled atmosphere for a sufficient period to produce an activated charcoal.