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| Adsorption properties of silica gel for polar components in oil |
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| DOI： |
| KeyWord:oil silica gel adsorption property polar component quality |
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| Abstract: |
| The adsorption properties of silica gel for polar components such as metal ions, soap and oil oxidation products in oil were investigated. The results showed that more than 95% of calcium ions and magnesium ions in crude oil could be removed by 0.15% silica gel(based on the oil mass). The soap impurities in the washed neutralized oil could be completely removed by 0.09% silica gel. About 88.8% soap from the neutralized oil could be removed by 0.20% silica gel, and the soap content in oil was 29.70 mg/kg, which met the requirement of soap content (≤50 mg/kg) in the washed neutralized oil in factory. Partial oxidation products of oil produced during the storage and processing could be removed with the addition of enough silica gel and the stability of the product could also be improved. Silica gel combined with activated clay could reduce the amount of activated clay, the loss of neutral oil and the acid reversion of refined oil. |
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