The MAGSORB Process for Bulk Separation of Carbon Dioxide. Progress Report, February 28--May 27, 1991 PDF Download
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Languages : en
Pages : 11
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During the sixth quarter of this program, work continued on the preparation of homogeneous batches of sorbent. It had previously been found that there was not consistent agreement between the Mg/K ratios calculated from the amounts of reagents used and the ratios determined by chemical analysis using atomic absorption spectrometry. In our investigation of the causes of these inconsistencies, we also found that there was an unacceptably high variation in the Mg/K ratio among the individual sorbent pellets. This quarter, sorbent pellets that had shown excessive variation in the Mg/K ratio were ground and the powder mixed to produce a uniform material. This material was then pelletized with a compaction device and the pellets checked for composition and reactivity. Although this procedure produced pellets with consistent Mg/K ratios, thermobalance tests showed reduced reactivity.
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Languages : en
Pages : 11
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Book Description
During the sixth quarter of this program, work continued on the preparation of homogeneous batches of sorbent. It had previously been found that there was not consistent agreement between the Mg/K ratios calculated from the amounts of reagents used and the ratios determined by chemical analysis using atomic absorption spectrometry. In our investigation of the causes of these inconsistencies, we also found that there was an unacceptably high variation in the Mg/K ratio among the individual sorbent pellets. This quarter, sorbent pellets that had shown excessive variation in the Mg/K ratio were ground and the powder mixed to produce a uniform material. This material was then pelletized with a compaction device and the pellets checked for composition and reactivity. Although this procedure produced pellets with consistent Mg/K ratios, thermobalance tests showed reduced reactivity.
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Languages : en
Pages : 5
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Objective is to study the removal of CO2 from a fuel gas produced by a coal gasifier, with a K2CO3-modified MgO sorbent. During this period, the packed-bed reactor was completed. Three sorbent batches were prepared, six packed-bed tests were conducted, and thermobalance testing was completed. Betchel completed a cost estimate for the MAGSORB unit in a coal gasification/methanol synthesis plant. The use of MAGSORB offers three potential advantages over conventional processes: lower heat losses, simplified desulfurization, and potential integration with advanced hot gas desulfurization.
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Category : Power resources
Languages : en
Pages : 654
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Category :
Languages : en
Pages : 37
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Objective is to investigate the removal of CO2 from a fuel gas produced by a coal gasifier with a K2CO3-modified MgO sorbent. The work consists of measuring the capacity and rates of absorption of the sorbent vs T, P, and gaseous contaminants. Effects of repeated absorption/desorption cycling on sorbent properties will be studied. During this first quarter, the Test Plan was prepared and approved. The thermobalance was prepared, and the first sorbent batch was formulated and subjected to adsorption/desorption thermobalance tests (results showed CO2 absorption at 800 F above 400 psi).
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Category :
Languages : en
Pages : 1190
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Category : Science
Languages : en
Pages : 1484
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Author:
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Category :
Languages : en
Pages : 5
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Objective is to study the removal of CO[sub 2] from a fuel gas produced by a coal gasifier, with a K[sub 2]CO[sub 3]-modified MgO sorbent. During this period, the packed-bed reactor was completed. Three sorbent batches were prepared, six packed-bed tests were conducted, and thermobalance testing was completed. Betchel completed a cost estimate for the MAGSORB unit in a coal gasification/methanol synthesis plant. The use of MAGSORB offers three potential advantages over conventional processes: lower heat losses, simplified desulfurization, and potential integration with advanced hot gas desulfurization.
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Category :
Languages : en
Pages :
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