Title:
【発明の名称】炭素構造中に含有される鉱物物質の連続的化学的減少及び除去方法
Document Type and Number:
Japanese Patent JPS62502952
Kind Code:
A
Abstract:
PCT No. PCT/AU86/00044 Sec. 371 Date Dec. 10, 1986 Sec. 102(e) Date Dec. 10, 1986 PCT Filed Feb. 18, 1986 PCT Pub. No. WO86/04917 PCT Pub. Date Aug. 28, 1986.A process for treating carbon to reduce the ash content therein. The process involves treating the carbon with a fluorine acid solution which consists of an aqueous solution of hydrofluorosilicic acid and hydrogen fluoride, such that the available metal oxides are converted to metal fluorides and/or metal fluorosilicates and separating the treated carbon from the metal fluorides and/or metal fluorosilicates produced by the treatment.
Inventors:
Lloyd, Robert
Turner, Maxwell James
Turner, Maxwell James
Application Number:
JP50150386A
Publication Date:
November 26, 1987
Filing Date:
February 18, 1986
Export Citation:
Assignee:
Overbrand Proprietary Limited
International Classes:
B01D11/00; C01B31/04; C10L9/02; C10M103/02; C01B31/02; (IPC1-7): B01D11/02; C01B31/02; C01B31/04; C10L9/02; C10M103/02
Attorney, Agent or Firm:
Aoki Akira