Molecular Sieve Sensor for Pollutants Detection at Elevated Temperat
| Project/Area Number |
07555543
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 試験 |
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| Research Field |
化学工学一般
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| Research Institution | The University of Tokyo |
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Principal Investigator |
OKUBO Tatsuya The University of Tokyo Dept.of chemical System Engineering lectuver, 大学院・工学系研究科, 講師 (40203731)
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| Co-Investigator(Kenkyū-buntansha) |
HARANO Azuchi Gunma University Dept.of Biological and Chemical Engineering Lectuver, 工学部, 講師 (90238204)
山下 敏 東京ガス, フロンティアテクノロジー研究所, 主任研究員
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| Project Period (FY) |
1995 – 1996
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| Project Status |
Completed (Fiscal Year 1996)
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| Budget Amount *help |
¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 1996: ¥3,400,000 (Direct Cost: ¥3,400,000)
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| Keywords | Zeolite / Quartz / Sensor / Molecular Sieve / Thin Film / NOx / SO_2 / Ion Exchange / 水熱合成 / モレキュラーシ-ヴ |
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| Research Abstract |
The aim of this project is to develop NOx and SO2 sensors selective at elevated temperature by molecular sieving zeolite film formed on quartz substrates. These sensors are useful to detect the exhaust gas from boiler, furnace engine...ets., and the information can be feeded back to the combustion system. Such a control contributes the human being in view of energy saving and environmental protection.
ZSM-5 film was formed on quartz substrate. The substrate was placed in an autoclave where hydrothermal reaction proceeded. We examined the influence of TEOS (Si source) and water concentrations, and the type of structure directing agents. The products were characterized by XRD and SEM which were purchased by this budget. The synthesis condition to obtain oriented film and tailored crystal size was found. A sensor system was fabricated on Au-Cr electrode on quartz. Sensor testing system controled by microcomputer was constructed. After removing the organic structure directing agent by burning, ion-exchange of Na with Cu was performed. This sensor was sensitive to NOx at 100ﾟC.
In addiion, we studied the synthesis condition for Zeolite Y,and fould the condition to synthesize Y as sigle phase. SO2 was was detected at 150ﾟC.
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Report
(3 results)
Research Products
(18 results)
