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局部加熱對重質油加氫裂化的影響

注意:本論文已在《石油化工 》2002,31(11):871-874發表
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常杰1,椿范立2,藤元薰2
(1.中國科學院廣州能源研究所,廣東廣州 5l0070;2.日本東京大學,東京113-8656)

摘要:采用間歇式高壓釜反應器研究了加拿大油砂瀝青和沙特重質減壓渣油及其模型化合物十二烷基苯的加氫裂化反應,實驗條件為5.0MPa、410—430℃、0-60min。以微小電熱絲在反應器中很小的區域制造了局部高溫,考察了其對加氫裂化的影響。結果表明,該方法促進了反應物中自由基的形成,提高了重質油及其模型化合物的轉化率和中間餾分油的收率
關鍵詞:重質油;加氫裂化;自由基

 

Effect of Local Heating on Hydrocracking of Heavy Oils

 CHANG Jie1, TSUBAKI Noritasu2,FUJIMOTO Kaoru 
1.Guanghou Institute of Energy Conversion, Chiese Academy of Sciences, Guangzhou Guangdong, 510070,China 2.Department of Applied Chemistry, University of Tokyo, Tokyo 113-8656, Japan

Petrochemical Technology 2002,31(11):871-874

Abstract: Hydrocracking tests of Canadian oil sand bitumen, Saudi Arabian heavy vacuum residue and model compound 1 -pheny1 dodecane (PhDD) were carried out in a batch autoclave reactor. The reaction conditions were as follows: pressure 5.0 MPa, temperature 410-430, reaction time 0-60 min. The heating with a fine inside filament produced small local high temperature zone in the reaction, its effect on the hydrocracking was investigated. Results show that this method accelerates the formation of free radicals, improves the conversion of heavy oil and its model compound, and increases the yield of the middle fraction oil.
Key Words: heavy oil; hydrocracking; free radical 

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