Application of sodium carbonate in refining of high acid value peanut oil
  
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KeyWord:sodium carbonate  acid value  peanut oil  refining
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QI Yong  
LI Peifeng  
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Abstract:
      The sodium carbonate was used in the process of refining to reduce the acid value of peanut oil with high acid value. The effects of reaction temperature, exceeding alkali dosage, mass fraction of lye solution and stirring time on the deacidification were studied. The results showed that the optimal refining conditions were obtained as follows: reaction temperature 20-30℃, exceeding alkali dosage 50% less than the theoretical value, mass fraction of lye solution 20%-25% and stirring time 20-25 min.
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