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| Production practice of wet meal desolventizing in the extraction of oil from corn germ pre-pressed cake |
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| KeyWord:corn germ wet meal desolventizing forced drainage high material layer DTDC |
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| Abstract: |
| In the process of oil extraction from corn germ pre-pressed cake, wet meal desolventizing is a very important process. Based on the characteristics of corn germ pre-pressed cake, the process and equipment of wet meal desolventizing were improved, and it was applied in production practice. Using forced drainage in extractor a new type of high material layer DTDC, under the conditions of forced drainage vacuum 1 500 Pa, net height of DTDC′s desolventizing layer 3 600 mm, and desolventizing time 35-40 min, the residual solvent in meal was 650 mg/kg and below, and the flash explosion test was qualified. Through the adoption of new processe and new technology, the quality of the meal can be guaranteed at the same time to achieve the purpose of energy saving and consumption reduction. |
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