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| New production process of biodiesel by dry process pretreatment and acid separation two-step method |
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| KeyWord:biodiesel dry process pretreatment acid separation two-step method discharge of waste water |
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| Abstract: |
| There is a large amount of waste water in the conventional process of production of biodiesel by chemical method. With the attention of the state to environmental protection, large waste water treatment is a major bottleneck restricting the production and development of enterprises. A new production process of biodiesel by dry process pretreatment and acid separation two-step method was introduced. Qualified biodiesel was produced by removing impurities by dry method, separation of oil and acid, esterification and transesterification respectively, acid-base balance, etc. The new process had the advantages of energy saving, environmental protection and great reduction of discharge of waste water. |
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