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《ACTA PETROLEI SINICA (PETROLEUM PROCESSING SECTION)》 1999-01
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STUDY ON THE TREATMENT OF FCC DIESEL OIL WITH METAL ION COMPLEXATION EXTRACTION

Qi Jiang Yan Yuzhen Li Xiaosen Dai Youyuan (Department of Chemical Engineering,Tsinghua University,Beijing 100084) Su Yixun (Department of Chemical Engineering,University of Petroleum,Dongying 257062)  
Solvent extraction based on reversible chemical complexation can showed its high selectivity and high capacity for separation of polar organics from petroleum hydrocarbons.This paper presents an effective method of complexation extraction for separation of nitrogen compounds from FCC diesel oil.The results show that,nitrogenous compounds,especially basic nitrogenous compounds in diesel oil were effectively extracted with 95% ethanol solution containing minor amounts of Fe 3+ 。The oxidation stability of the diesel was greatly improved by complexation extraction fowlled by caustic wash.The recovery of diesel oil was high,and the solvent can be regenarated for recycling to the process.
【CateGory Index】: TQ028.32
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