Coal Char Gasification in an Electrofluid Reactor

Pulsifer, A.H.; Knowlton, T.M.; Wheelock, T.D.

doi:10.1021/i260032a017

Cited by 8 publications

(14 citation statements)

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“…To verify this model, values of the gas composition predicted by the model were compared with gas compositions observed during operation of both our 4and 12-in. diam electrofluid beds (Beeson et al, 1970;Pulsifer et al, 1969) and with gas compositions observed by Kavlick et al (1970) in the operation of the high-pressure unit at the Institute of Gas Technology. Some of these results are presented in Table I (where the total steam conversion is listed rather than just that portion converted by Reaction 1).…”

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confidence: 90%

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Production of Hydrogen from Coal Char in an Electrofluid Reactor.

Pulsifer¹,

Wheelock²

1972

Ind. Eng. Chem. Proc. Des. Dev.

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A potential industrial process for producing a hydrogen-rich synthesis gas by reacting coal char and steam in an electrofluid reactor is described. The characteristics of this type of reactor are reviewed, and a reaction model which appears to fit experimental results is proposed. Product gas compositions and energy requirements predicted by the model for the gasification process are presented for various possible operating conditions. The present state of development of the reaction system and foreseeable problems which must be worked out are reviewed. In addition, the adaptation of the process to the production of various products such as hydrogen, methane, and methanol is discussed. Disciplines

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confidence: 90%

“…Preliminary results obtained with both 4and 12-in. diam reactors have been reported (Beeson et al, 1970;Pulsifer et al, 1969). The bench-scale reactor in current use is shown in Figure 1.…”

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Production of Hydrogen from Coal Char in an Electrofluid Reactor.

Pulsifer¹,

Wheelock²

1972

Ind. Eng. Chem. Proc. Des. Dev.

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“…2 used in the 4-in. diameter reactor (Pulsifer, et al, 1969), or the 3 to 4 A f in. 2 used by the Institute of Gas Technology (Kavlick, et al, 1970).…”

Section: Discussionmentioning

confidence: 99%

“…To this end, experiments have been carried out in a 4-in. diameter batch reactor (Pulsifer, et al, 1969), and preliminary results were obtained from operation of a 12-in. diameter continuous reactor (Beeson, et al, 1970).…”

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confidence: 99%

Hydrogen from Coal Char in a Continuous Electrofluid Reactor

Beeson¹,

Pulsifer²,

Wheelock³

1974

Ind. Eng. Chem. Proc. Des. Dev.

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The production of a hydrogen-rich synthesis gas from coal char and steam was investigated in a 12-in. diameter, continuous electrofluid reactor. The reactor has been operated at temperatures approaching 2000°F and using both single and three-phase ac power. Data on the gasification rate and the electrical characteristics of the system were taken and several different electrode materials were tested. A large part of the interelectrode resistance seemed to be due to contact resistance. Electrode life remains a problem. DisciplinesComplex Fluids | Other Chemical Engineering | Petroleum Engineering CommentsReprinted (adapted) with permission from Ind. Eng. Chem. Process Des. Dev., 1974, 13 (2) Dorman, D. C., Lemlich, R., Nature (London), 207. 145 (1965l. Fanlo, S., Lemlich, R., AIChE-Inst. Chem. Eng. Symp. Ser., 9, 75, 85 (1965. Glasstone, S., "Textbook of Physical Chemistry," Van Nostrand, New York, N.Y., 1946, p 1208 0., Lemlich, R., AIChE J .. 12, 1220(1966. Hotter, M.S., Rubin, E., Ind. Eng. Chem. Fundam., 8, 483 (1969). Jashnani, I. L., Lemlich, R., J. Col/. Interlace Sci., in press, 1974. Jashani, I. L., Lemlich, R., Ind. Eng. Chem., Process Des. Develop .. 12,312 (1973). Lemlich, R., AIChEJ., 12,802 (1966). Erratain13, 1017Erratain13, (1967 Chem., 23,299 (1972c). Lemlich, R., J. Geophys. Res., 77, 5204 (1972d). Lemlich, R., "The Adsorptive Bubble Separation Techniques," Proceedings of the Conference on Traces of Heavy Metals in Water: Removal Processes and Monitoring, Nov 15-16, 1973, Center for Environmental Studies, Princeton, University, Princeton, N.J., in press, 1973. Leonard, R. A., Lemlich, R., AIChEJ., 11,25 (1965a). Leonard, R. A., Lemlich, R., AIChE J .. 11,18 (1965b).Martin, J. J., A IChE J .. 9, 646 ( 1963).Rubin, E., Gaden, E. L., Jr., in "New Chemical Engineering SeparationTechniques," H. M. Schoen, Ed., Wiley-lnterscience, New York, N.Y., 1962, Chapter 5, pp 319-383. Shah, G. N., Lemlich, R., Ind. Eng. Chem., Fundam .. 9, 350 (1970. Shedlovsky, L., Ann. N. Y. Acad. Sci., 49,279 (1948).Shih, F. S., Lemlich, R., AIChE J., 13,751 (1967).Shih, F. S., Lemlich, R., Ind. Eng. Chem .. Fundam .. 10,254 (1971 The production of a hydrogen-rich synthesis gas from coal char and steam was investigated in a 12-in. diameter, continuous electrofluid reactor. The reactor has been operated at temperatures approaching 2000°F and using both single and three-phase ac power. Data on the gasification rate and the electrical characteristics of the system were taken and several different electrode materials were tested. A large part of the interelectrode resistance seemed to be due to contact resistance. Electrode life remains a problem.

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“…Hopefully, a commercial scale plant producing a gaseous fuel from coal can be developed in the near future. Atmospheric pressure reactors have been operated at Iowa State University to study the production of hydrogen from coal (2,3,33,34).…”

Section: Applicationsmentioning

confidence: 99%

The electrical properties of a fluidized bed

Yuan¹

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Coal Char Gasification in an Electrofluid Reactor

Cited by 8 publications

References 5 publications

Production of Hydrogen from Coal Char in an Electrofluid Reactor.

Production of Hydrogen from Coal Char in an Electrofluid Reactor.

Hydrogen from Coal Char in a Continuous Electrofluid Reactor

The electrical properties of a fluidized bed

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