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:
-
- Pittsburgh, PA
- 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}
}
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