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Analyzing oil shale retort off-gas for carbon dioxide to determine the combustion zone temperature
Analyzing oil shale retort off-gas for carbon dioxide to determine the combustion zone temperature
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机译:分析油页岩干馏塔废气中的二氧化碳以确定燃烧区温度
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摘要
An in situ oil shale retort is formed in a subterranean formation containing oil shale. The retort contains a fragmented permeable mass of particles comprising kerogen and various inorganic carbonates. A processing zone is established in the fragmented mass of formation particles and advanced therethrough. Off-gas, including carbon dioxide from carbonate decomposition, is withdrawn from the retort. The carbon dioxide content of the withdrawn off-gas, being a function of the processing zone temperature, is then determined. The determined carbon dioxide content of the withdrawn off- gas is then compared to values of carbon dioxide content of off-gas predicted as a function of processing zone temperature.
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