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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Kodama, Tatsuya Gokon, Nobuyuki Inuta, Shin-Ichi Yamashita, Shin-Go Hatamachi, Tsuyoshi Seo, Taebeom |
| Copyright Year | 2009 |
| Abstract | The Molten-Salt Tubular Absorber/Reformer (MoSTAR) Project, which is jointly conducted by Niigata University, Japan, and Inha University, Korea, aims to develop a novel-type of “double-walled” tubular absorbers/reformers with molten-salt thermal storage at high temperature for use in solar natural-gas reforming and solar air receiver, and to demonstrate their performances on sun with a 5-kWt dish-type solar concentrator. The new concept of “double-walled” reactor tubes was proposed for use in a solar reformer by Niigata University, Japan, and involves packing a molten salt in the annular region between the internal catalyst tube and the exterior solar absorber tube of the double reactor tube. In this work, “metal-plate-bridged” double reactor tubes are newly proposed for use in a solar reformer. Two different sized reactor tubes are constructed, and tested on chemical reaction performance for dry reforming of methane during cooling or heat-discharge mode of the reactor tube using an electric furnace. The experimental results obtained under feed gas mixture of CH4/CO2 = 1:3 at a residence time of 0.36 s and at 1 atm showed that the double reactor tube with the heat storage medium Na2CO3 in the annular region successfully sustained a high methane conversion above 90% with about 0.7-kW output power of the reformed gas based on HHV for 40 min of the heat-discharge mode. The application of the new reactor tubes to solar tubular reformers is expected to help realize stable operation of the solar reforming process under fluctuating insolation during a cloud passage. |
| Sponsorship | Advanced Energy Systems Division and Solar Energy Division |
| Starting Page | 451 |
| Ending Page | 457 |
| Page Count | 7 |
| File Format | |
| ISBN | 9780791848906 |
| DOI | 10.1115/ES2009-90230 |
| e-ISBN | 9780791838518 |
| Volume Number | ASME 2009 3rd International Conference on Energy Sustainability, Volume 2 |
| Conference Proceedings | ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences |
| Language | English |
| Publisher Date | 2009-07-19 |
| Publisher Place | San Francisco, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Methane Cooling Catalysts Packing (shipments) Packings (cushioning) Metals Carbon dioxide Chemical reactions Thermal energy storage High temperature Heat Solar energy concentrators Furnaces Heat storage Solar energy Natural gas |
| Content Type | Text |
| Resource Type | Article |
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