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Title: Removal of mineral matter including pyrite from coal

Abstract

Mineral matter, including pyrite, is removed from coal by treatment of the coal with aqueous alkali at a temperature of about 175.degree. to 350.degree. C, followed by acidification with strong acid.

Inventors:
 [1];  [2];  [1]
  1. Pittsburgh, PA
  2. Bethel Park, PA
Issue Date:
Research Org.:
BUREAU OF MINES
OSTI Identifier:
862704
Patent Number(s):
3993455
Application Number:
05/354,023
Assignee:
United States of America as represented by Secretary of (Washington, DC)
Patent Classifications (CPCs):
C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10L - FUELS NOT OTHERWISE PROVIDED FOR
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
removal; mineral; matter; including; pyrite; coal; removed; treatment; aqueous; alkali; temperature; 175; degree; 350; followed; acidification; strong; acid; strong acid; aqueous alkali; mineral matter; coal mineral; matter including; coal mine; including pyrite; /44/201/423/

Citation Formats

Reggel, Leslie, Raymond, Raphael, and Blaustein, Bernard D. Removal of mineral matter including pyrite from coal. United States: N. p., 1976. Web.
Reggel, Leslie, Raymond, Raphael, & Blaustein, Bernard D. Removal of mineral matter including pyrite from coal. United States.
Reggel, Leslie, Raymond, Raphael, and Blaustein, Bernard D. Tue . "Removal of mineral matter including pyrite from coal". United States. https://www.osti.gov/servlets/purl/862704.
@article{osti_862704,
title = {Removal of mineral matter including pyrite from coal},
author = {Reggel, Leslie and Raymond, Raphael and Blaustein, Bernard D},
abstractNote = {Mineral matter, including pyrite, is removed from coal by treatment of the coal with aqueous alkali at a temperature of about 175.degree. to 350.degree. C, followed by acidification with strong acid.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1976},
month = {11}
}

Patent:

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