| Project/Area Number |
05453099
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| Research Category |
Grant-in-Aid for General Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
反応・分離工学
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| Research Institution | NAGOYA UNIVERSITY |
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Principal Investigator |
GOTO Shigeo NAGOYA UNIVERSITY,SCHOOL OF ENGINEERING,PROFESSOR, 工学部, 教授 (90023283)
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| Co-Investigator(Kenkyū-buntansha) |
TAGAWA Tomohiko NAGOYA UNIVERSITY,SCHOOL OF ENGINEERING,ASSOCIATE PROFESSOR, 工学部, 助教授 (10171571)
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| Project Period (FY) |
1993 – 1995
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| Project Status |
Completed (Fiscal Year 1995)
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| Budget Amount *help |
¥5,400,000 (Direct Cost: ¥5,400,000)
Fiscal Year 1995: ¥1,500,000 (Direct Cost: ¥1,500,000)
Fiscal Year 1994: ¥1,600,000 (Direct Cost: ¥1,600,000)
Fiscal Year 1993: ¥2,300,000 (Direct Cost: ¥2,300,000)
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| Keywords | PSA (pressure swing adsorption) reactor / Effective use of paraffins / dehydroaromatization / Chemical application of hydrogenstorage alloy / Reactor with periodic operation / Reaction and separation |
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| Research Abstract |
1) Apparatus
A coutinuous flow tubular reaction system was modified into a single column PSA (presure swing adosorption) type reactor. Cyclohexane, n-hexane and propane were selected as starting materials. Ananlysis of products were carried out with two sets of capillary G.C.Quick analysis of both aromatic and paraffinic products and precise analysis of each components enabled both the quick determination of activity under unsteady state reaction conditions and the precise quantitative analysis of all products at the same time.
2) Model reaction
As a model reaction of typical dehydrogenation, dehydrogenation of cyclohexane was carried out. Under the presence of both Pt/Al203 and nickel containing hydrogen storage alloys, almost 100% conversion was obtained wich is far exceeded the equilibrium limitation. It is pointed out that the PSA operation is applicable to enhance the dehydrogenation. The catalyst was regenerated by reducing periodically the pressure of the reaction system.
3) Dehydroaromatization of paraffins
Among paraffinic compounds, n-hexane and propane were selected as a starting materials for the application to PSA reaction system with Zn-ZSM5 catalyst. Magnesium containing hydrogen storage alloys were effective for the reaction of n-hexane by removing hydrogen under reaction conditions Titanium and tantalum were also effective in the reaction of propane. In both cases, the reaction proceeded beyond the apparent equilibrium. PSA operation which regenerated hydrogen storage alloy periodically with purging gas was applicable for this reactor. The results of the reaction of n-hexane was published on the Sekiyu Gakkaishi.
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