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| Treatment practice for foul smell gas from oils and fats processing plants |
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| DOI：10.12166/j.zgyz.1003-7969/2020.04.026 |
| KeyWord:oils and fats processing plant foul smell gas treatment practice |
| FundProject: |
| Author Name | Affiliation | | ZUO Qing
ZUO Hui
FAN Maojin | 1.Jiangsu FAMSUN Oils and Fats Engineering Co., Ltd., Yangzhou 225127,Jiangsu,China
2.Guangzhou Xinmas Co.,Ltd.,Guangzhou 510350,China
3.Changchun Soybean Technology Stock Co.,Ltd.,Changchun 130102,China |
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| Abstract: |
| Foul smell gas from oils and fats processing plants included small molecules and bean smelly gases produced by oxidation of oils and fats, various kinds of odor and smell oils, meals and n-hexance in the leaching workshop, the foul smell gas from the oxidation of edible oils contacted with chemicals in the oil refinery and sewage disposal, and oily flavor from the fragrant oil press workshop produced by small variety of oil seeds, etc. The several foul smell gas removal technologies were described, such as the three stage electrostaic field and oxidative polymerization used for the sesame oil press workshops,microwave plasma photo-oxygen catalyzed stink gas purification for press and refining workshops and the deodorant spraying washing and composite photocatalysis and neutralization deodorization adopted for pretreatment,leaching and refining workshops.And the removal efficiency of foul smell gas achieved 83% of three stage electrostaic field and oxidative polymerization and the emission index of foul smell gas met national standard by deodorant spraying washing and composite photocatalysis and neutralization deodorization. |
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