Effect of thermal upgrading on spontaneous combustion characteristics of western Canadian low rank coals
The results of an experimental study aimed at evaluating the spontaneous combustion characteristics of two western Canadian low rank coals thermally upgraded in steam at varying temperatures are discussed. The spontaneous combustion characteristics of the coals were determined using a method develop...
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| Veröffentlicht in: | Fuel (Guildford) 1992, Vol.71 (1), p.3-8 |
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| container_title | Fuel (Guildford) |
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| creator | Ogunsola, Olayinka I. Mikula, Randy J. |
| description | The results of an experimental study aimed at evaluating the spontaneous combustion characteristics of two western Canadian low rank coals thermally upgraded in steam at varying temperatures are discussed. The spontaneous combustion characteristics of the coals were determined using a method developed at CANMET's Coal Research Laboratory in Devon, Alberta. The liability to spontaneous combustion of the two coals was reduced when thermally treated and further decreased with increase in treatment temperature. The decrease in liability was also found to be a function of loss of both the equilibrium moisture and oxygen-containing functional groups from the coal. The oxygen absorption capacity of the coal was also reduced after thermal treatment. |
| doi_str_mv | 10.1016/0016-2361(92)90185-Q |
| format | Article |
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The spontaneous combustion characteristics of the coals were determined using a method developed at CANMET's Coal Research Laboratory in Devon, Alberta. The liability to spontaneous combustion of the two coals was reduced when thermally treated and further decreased with increase in treatment temperature. The decrease in liability was also found to be a function of loss of both the equilibrium moisture and oxygen-containing functional groups from the coal. The oxygen absorption capacity of the coal was also reduced after thermal treatment.</description><identifier>ISSN: 0016-2361</identifier><identifier>EISSN: 1873-7153</identifier><identifier>DOI: 10.1016/0016-2361(92)90185-Q</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; coal ; Combustion of solid fuels ; Combustion. Flame ; Energy ; Energy. Thermal use of fuels ; Exact sciences and technology ; rank ; spontaneous combustion ; Theoretical studies. Data and constants. 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The spontaneous combustion characteristics of the coals were determined using a method developed at CANMET's Coal Research Laboratory in Devon, Alberta. The liability to spontaneous combustion of the two coals was reduced when thermally treated and further decreased with increase in treatment temperature. The decrease in liability was also found to be a function of loss of both the equilibrium moisture and oxygen-containing functional groups from the coal. The oxygen absorption capacity of the coal was also reduced after thermal treatment.</description><subject>Applied sciences</subject><subject>coal</subject><subject>Combustion of solid fuels</subject><subject>Combustion. Flame</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>rank</subject><subject>spontaneous combustion</subject><subject>Theoretical studies. Data and constants. 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The spontaneous combustion characteristics of the coals were determined using a method developed at CANMET's Coal Research Laboratory in Devon, Alberta. The liability to spontaneous combustion of the two coals was reduced when thermally treated and further decreased with increase in treatment temperature. The decrease in liability was also found to be a function of loss of both the equilibrium moisture and oxygen-containing functional groups from the coal. The oxygen absorption capacity of the coal was also reduced after thermal treatment.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/0016-2361(92)90185-Q</doi><tpages>6</tpages></addata></record> |
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| ispartof | Fuel (Guildford), 1992, Vol.71 (1), p.3-8 |
| issn | 0016-2361 1873-7153 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_745674393 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences coal Combustion of solid fuels Combustion. Flame Energy Energy. Thermal use of fuels Exact sciences and technology rank spontaneous combustion Theoretical studies. Data and constants. Metering thermal upgrading |
| title | Effect of thermal upgrading on spontaneous combustion characteristics of western Canadian low rank coals |
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