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Résumé :
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This article covers a method for synthesizing biodegradable high-alkali magnesium oleate detergent with a total base number (TBN) value of 256 mg KOH/g. The biodegradable, environmentally friendly high-alkali magnesium oleate detergent was synthesized using oleic acid and magnesium oxide (Light) as raw materials. Reaction conditions including the choice of alkaline magnesium salt, the molar ratio of magnesium oxide to oleic acid, the amount of methanol, the amount of ammonia, the carbonation temperature, the molar ratio of water to magnesium oxide, the gas flow rate of CO2, and the molar ratio of injected CO2 to magnesium oxide were optimized. Under the optimized conditions, a high-alkali magnesium oleate detergent with TBN of 256 mg KOH/g could be obtained.
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