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Title: Selective flotation of inorganic sulfides from coal

Abstract

Pyritic sulfur is removed from coal or other carbonaceous material through the use of humic acid as a coal flotation depressant. Following the removal of coarse pyrite, the carbonaceous material is blended with humic acid, a pyrite flotation collector and a frothing agent within a flotation cell to selectively float pyritic sulfur leaving clean coal as an underflow.

Inventors:
 [1];  [2]
  1. (Floreffe, PA)
  2. (Murrysville, PA)
Issue Date:
Research Org.:
Pittsburgh Energy Technology Center
OSTI Identifier:
867110
Patent Number(s):
4867868
Assignee:
United States of America as represented by Department of Energy (Washington, DC) OSTI
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
selective; flotation; inorganic; sulfides; coal; pyritic; sulfur; removed; carbonaceous; material; humic; acid; depressant; following; removal; coarse; pyrite; blended; collector; frothing; agent; cell; selectively; float; leaving; clean; underflow; humic acid; carbonaceous material; pyritic sulfur; clean coal; coal flotation; /209/44/

Citation Formats

Miller, Kenneth J., and Wen, Wu-Wey. Selective flotation of inorganic sulfides from coal. United States: N. p., 1989. Web.
Miller, Kenneth J., & Wen, Wu-Wey. Selective flotation of inorganic sulfides from coal. United States.
Miller, Kenneth J., and Wen, Wu-Wey. Sun . "Selective flotation of inorganic sulfides from coal". United States. https://www.osti.gov/servlets/purl/867110.
@article{osti_867110,
title = {Selective flotation of inorganic sulfides from coal},
author = {Miller, Kenneth J. and Wen, Wu-Wey},
abstractNote = {Pyritic sulfur is removed from coal or other carbonaceous material through the use of humic acid as a coal flotation depressant. Following the removal of coarse pyrite, the carbonaceous material is blended with humic acid, a pyrite flotation collector and a frothing agent within a flotation cell to selectively float pyritic sulfur leaving clean coal as an underflow.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1989},
month = {1}
}

Patent:

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