| Project/Area Number |
08455363
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
反応・分離工学
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| Research Institution | Tokyo University of Agriculture and Technology |
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Principal Investigator |
MATUSOKA Masakuni TUAT,Faculty of Technology, Professor, 工学部, 教授 (40016671)
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| Co-Investigator(Kenkyū-buntansha) |
TAKIYAMA Hiroshi TUAT,Faculty of Technology, Assistant Professor, 工学部, 講師 (40251582)
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| Project Period (FY) |
1996 – 1997
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| Project Status |
Completed (Fiscal Year 1997)
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| Budget Amount *help |
¥8,800,000 (Direct Cost: ¥8,800,000)
Fiscal Year 1997: ¥2,700,000 (Direct Cost: ¥2,700,000)
Fiscal Year 1996: ¥6,100,000 (Direct Cost: ¥6,100,000)
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| Keywords | COLUMN CRYSTALLIZER / Purification / column crystallizer / purification / inclined column / axial dispersion coefficient / ε-caprolactam / caprolactam |
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| Research Abstract |
An inclined column crystallizer was operated to purify the epsilon-caprolactam-water mixtures and the following conclusions were obtained.
1. The larger the inclination the better the separation, although differences impurity profiles as well as the coefficients for the axial dispersion and the purification rate are found insignificant.
2. The longer the column length, in particular the purification length, the better the purification effect results.
3. Crystal characteristics in terms of slurry density and morphology are different between the lop, cooling section and the bottom melting section. They are small in size in the top and became compact in the bottom.
4. Analysis on the basis of the axial dispersion- purification rate mechanism, it was concluded that the upper part of the purification section was controlled by the axial dispersion mechanism, while in the lower part the purification rate of crystalline particles plays an dominant role.
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