Novel carbons from Illinois coal for natural gas storage. Quarterly report, 1 December 1994--28 February 1995

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The goal of this project is to develop a technology for producing microengineered adsorbent carbons from Illinois coal and to evaluate the potential application of these novel materials for storing natural gas for use in emerging low pressure, natural gas vehicles (NGV). The focus of the project is to design and engineer adsorbents that meet or exceed the performance and cost targets established for low-pressure natural gas storage materials. Potentially, about two million tons of adsorbent could be consumed in natural gas vehicles by year 2000. If successful, the results obtained in this project could lead to the use of ... continued below

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20 p.

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Rostam-Abadi, M.; Sun, Jian; Lizzio, A.A. & Fatemi, M. December 31, 1995.

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Description

The goal of this project is to develop a technology for producing microengineered adsorbent carbons from Illinois coal and to evaluate the potential application of these novel materials for storing natural gas for use in emerging low pressure, natural gas vehicles (NGV). The focus of the project is to design and engineer adsorbents that meet or exceed the performance and cost targets established for low-pressure natural gas storage materials. Potentially, about two million tons of adsorbent could be consumed in natural gas vehicles by year 2000. If successful, the results obtained in this project could lead to the use of Illinois coal in a sowing and profitable market that could exceed 6 million tons per year. During this reporting period, a series of experiments were made to evaluate the effect of coal pre-oxidation, coal pyrolysis, and char activation on the surface area development and methane adsorption capacity of activated carbons/chars made from IBC-102. The optimum production conditions were determined to be: coal oxidation in air at 225C, oxicoal (oxidized coal); devolatilization in nitrogen at 400C; and char gasification in 50% steam in nitrogen at 850C. Nitrogen BET surface areas of the carbon products ranged from 800--1100 m{sup 2}/g. Methane adsorption capacity of several Illinois coal derived chars and a 883 m{sup 2}/g commercial activated carbon were measured using a pressurized thermogaravimetric analyzer at pressures up to 500 psig. Methane adsorption capacity (g/g) of the chars were comparable to that of the commercial activated carbon manufactured by Calgon Carbon. It was determined that the pre-oxidation is a key processing step for producing activated char/carbon with high surface area and high methane adsorption capacity. The results to date are encouraging and warrant further research and development in tailored activated char from Illinois coal for natural gas storage.

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20 p.

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OSTI as DE96007807

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  • Other Information: PBD: [1995]

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  • Other: DE96007807
  • Report No.: DOE/PC/92521--T260
  • Grant Number: FC22-92PC92521
  • DOI: 10.2172/208389 | External Link
  • Office of Scientific & Technical Information Report Number: 208389
  • Archival Resource Key: ark:/67531/metadc663952

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 3, 2015, 4:38 p.m.

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Rostam-Abadi, M.; Sun, Jian; Lizzio, A.A. & Fatemi, M. Novel carbons from Illinois coal for natural gas storage. Quarterly report, 1 December 1994--28 February 1995, report, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc663952/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.