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Mild coal pretreatment to improve liquefaction reactivity

Description: This report describes work completed during the fourth quarter of a three year project to study the effects of mild chemical pretreatment on coal dissolution reactivity during low severity liquefaction or coal/oil coprocessing. The overall objective of this research is to elucidate changes in the chemical and physical structure of coal by pretreating with methanol or other simple organic solvent and a trace amount of hydrochloric acid and measure the influence of these changes on coal dissoluti… more
Date: 1991-09~
Creator: Miller, R. L.
Item Type: Refine your search to only Report
open access

Mild coal pretreatment to improve liquefaction reactivity

Description: This report describes work completed during the fifth quarter of a three year project to study the effects of mild chemical pretreatment on coal dissolution reactivity during low severity liquefaction or coal/oil coprocessing. The overall objective of this research is to elucidate changes in the chemical and physical structure of coal by pretreating with methanol or other simple organic solvent and a trace amount of hydrochloric acid and measure the influence of these changes on coal dissolutio… more
Date: 1991-12~
Creator: Miller, R. L.
Item Type: Refine your search to only Report
open access

Mild coal pretreatment to improve liquefaction reactivity. Final technical report, September 1990--February 1994

Description: Recent research efforts in direct coal liquefaction are focused on lowering the level of reaction severity, identification and determination of the causes of retrogressive reactions, and improving the economics of the process. Ambient pretreatment of coals using methanol and a trace amount of hydrochloric acid was extensively studied in connection with low severity coal liquefaction. Ambient pretreatment of eight Argonne coals using methanol/HCl improved THF-soluble conversions 24.5 wt % (maf b… more
Date: July 1994
Creator: Miller, R. L. & Shams, K. G.
Item Type: Refine your search to only Report
open access

Mild coal pretreatment to improve liquefaction reactivity. Quarterly technical progress report, June--August 1991

Description: This report describes work completed during the fourth quarter of a three year project to study the effects of mild chemical pretreatment on coal dissolution reactivity during low severity liquefaction or coal/oil coprocessing. The overall objective of this research is to elucidate changes in the chemical and physical structure of coal by pretreating with methanol or other simple organic solvent and a trace amount of hydrochloric acid and measure the influence of these changes on coal dissoluti… more
Date: 1991-09~
Creator: Miller, R. L.
Item Type: Refine your search to only Report
open access

Mild coal pretreatment to improve liquefaction reactivity. Quarterly technical progress report, September--November 1991

Description: This report describes work completed during the fifth quarter of a three year project to study the effects of mild chemical pretreatment on coal dissolution reactivity during low severity liquefaction or coal/oil coprocessing. The overall objective of this research is to elucidate changes in the chemical and physical structure of coal by pretreating with methanol or other simple organic solvent and a trace amount of hydrochloric acid and measure the influence of these changes on coal dissolutio… more
Date: 1991-12~
Creator: Miller, R. L.
Item Type: Refine your search to only Report
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