Inorganic constituents of coal liquefaction

Sarah A. Luchner, Sharon F. Miller, Bruce G. Miller

Research output: Contribution to journalArticle

Abstract

Direct coal liquefaction residues from a high volatile bituminous coal and subbituminous coal are examined. Catalyst, temperature, pressure and coal preparation variables are compared for each of the two coals by analyzing the ash percentage of the residue and the inorganic elements present in the residue. The bituminous coal produces high overall conversion efficiencies and high ash content residues with heavy concentrations of inorganic elements when compared to the initial coal. The less efficient subbituminous coal produces lower ash percent residues. Thermo gravimetric analysis, atomic absorption spectrometry, and inductively coupled plasma mass spectrometry are used to determine what inorganic elements carry into the residue and what environmental and operational considerations are needed before the residue is put to further use.

Original languageEnglish (US)
JournalACS National Meeting Book of Abstracts
StatePublished - 2010

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Coal liquefaction
Coal
Ashes
Bituminous coal
Coal ash
Inductively coupled plasma mass spectrometry
Coal preparation
Atomic absorption spectrometry
Coal Ash
Conversion efficiency
Thermogravimetric analysis
Catalysts
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

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Inorganic constituents of coal liquefaction. / Luchner, Sarah A.; Miller, Sharon F.; Miller, Bruce G.

In: ACS National Meeting Book of Abstracts, 2010.

Research output: Contribution to journalArticle

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AU - Miller, Bruce G.

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AB - Direct coal liquefaction residues from a high volatile bituminous coal and subbituminous coal are examined. Catalyst, temperature, pressure and coal preparation variables are compared for each of the two coals by analyzing the ash percentage of the residue and the inorganic elements present in the residue. The bituminous coal produces high overall conversion efficiencies and high ash content residues with heavy concentrations of inorganic elements when compared to the initial coal. The less efficient subbituminous coal produces lower ash percent residues. Thermo gravimetric analysis, atomic absorption spectrometry, and inductively coupled plasma mass spectrometry are used to determine what inorganic elements carry into the residue and what environmental and operational considerations are needed before the residue is put to further use.

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