热重法研究渣油的热反应性能
|
摘要
以减压渣油为原料油,采用热重法,考察了减压渣油及其四组分(饱和分、芳香分、胶质和沥青质)的热转化反应性能,并采用多重扫描速率的FWO法求取了样品的动力学参数。结果表明,减压渣油四组分的生焦率由大到小依次为沥青质、胶质、芳香分、饱和分,渣油原料的生焦率介于芳香分和胶质之间。当转化率较低时(α小于0.4),饱和分和芳香分活化能为80~140 k J/mol,当转化率较高时(α大于0.4),其活化能为140~240 k J/mol。在相同转化率下,胶质和沥青质的活化能为150~300 k J/mol,均高于饱和分和芳香分的活化能。
With vacuum residue as raw material,heat transfer reaction performances of vacuum residue and four components( saturates,aromatics,colloid and asphaltene) were investigated by thermogravimetric method,and kinetic parameters of samples were calculated by the FWO method with multiple scan rate. The results showed that coke yield of four components in vacuum residue from greatest to least was asphaltene,colloid,aromatics,and saturates. The coke yield of vacuum residue material was between aromatics and colloid. When the conversion was lower( α below 0. 4),activation energy value of saturates and aromatics was 80-140 k J / mol; When the conversion was higher( α above 0. 4),their activation energy value was 140-240 k J / mol. Under the same conversion,the activation energy value of colloid and asphaltene was150-300 k J / mol,being higher than that of saturates and aromatics.
With vacuum residue as raw material,heat transfer reaction performances of vacuum residue and four components( saturates,aromatics,colloid and asphaltene) were investigated by thermogravimetric method,and kinetic parameters of samples were calculated by the FWO method with multiple scan rate. The results showed that coke yield of four components in vacuum residue from greatest to least was asphaltene,colloid,aromatics,and saturates. The coke yield of vacuum residue material was between aromatics and colloid. When the conversion was lower( α below 0. 4),activation energy value of saturates and aromatics was 80-140 k J / mol; When the conversion was higher( α above 0. 4),their activation energy value was 140-240 k J / mol. Under the same conversion,the activation energy value of colloid and asphaltene was150-300 k J / mol,being higher than that of saturates and aromatics.
引文
[1]曹春燕.优化原油加工轻质油收率的探索[D].天津:天津大学,2012.
[2]张显.重质油加工技术分析综述[J].化工设计通讯,2016,42(6):27-30.
[3]高金森,王刚,徐春明,等.重油催化裂化反应工艺技术创新[J].中国石油大学学报:自然科学版,2013,37(5):181-185.
[4]赵春晓,赵德智,刘美,等.重油分子结构组成的分析方法研究进展[J].应用化工.2014,43(5):913-916.
[5]倪泽南,杨帆,施岩,等.委内瑞拉重油降粘新工艺[J].应用化工,2016,45(3):525-527.
[6]郭磊,王齐,李凤绪,等.重油供氢减黏改质技术概述[J].化工进展,2014(33):128-132.
[7]洪琨,马凤云,刘景梅,等.塔河常压渣油及其亚组分的非等温热转化反应性能研究[J].石油炼制与化工.2015,46(12):53-58.
[8]王齐,王宗贤,庄士成,等.劣质渣油热改质与供氢热改质[J].石油学报(石油加工),2014,30(3):439-445.
[9]赵晓隆,李会鹏,赵华,等.两种催化油浆的热重反应动力学研究[J].石油与天然气化工,2014,4(43):357-361.
[10]陈强.委内瑞拉深拔渣油梯级热转化研究[D].北京:中国石油大学,2014.
[11]王阳峰,阎龙,申海平.两种中东减压渣油非等温热转化反应的热重法研究[J].石油炼制与化工,2012,9(43):10-13.
[12]陈坤.重油热转化过程中吸放热效应研究[D].北京:中国石油大学,2013.
[13]孙钦玺.热反应对辽河重油及其重组分性质的影响研究[D].北京:北京化工大学,2014.
[14]梁文杰.石油化学[M].东营:石油大学出版社,1995,133-142.
[15]Torrente M C,Gala'n M A.Kinetics of the thermal decomposition of oil shale from Puertollano(Spain)[J].2001(80):327-334.
[2]张显.重质油加工技术分析综述[J].化工设计通讯,2016,42(6):27-30.
[3]高金森,王刚,徐春明,等.重油催化裂化反应工艺技术创新[J].中国石油大学学报:自然科学版,2013,37(5):181-185.
[4]赵春晓,赵德智,刘美,等.重油分子结构组成的分析方法研究进展[J].应用化工.2014,43(5):913-916.
[5]倪泽南,杨帆,施岩,等.委内瑞拉重油降粘新工艺[J].应用化工,2016,45(3):525-527.
[6]郭磊,王齐,李凤绪,等.重油供氢减黏改质技术概述[J].化工进展,2014(33):128-132.
[7]洪琨,马凤云,刘景梅,等.塔河常压渣油及其亚组分的非等温热转化反应性能研究[J].石油炼制与化工.2015,46(12):53-58.
[8]王齐,王宗贤,庄士成,等.劣质渣油热改质与供氢热改质[J].石油学报(石油加工),2014,30(3):439-445.
[9]赵晓隆,李会鹏,赵华,等.两种催化油浆的热重反应动力学研究[J].石油与天然气化工,2014,4(43):357-361.
[10]陈强.委内瑞拉深拔渣油梯级热转化研究[D].北京:中国石油大学,2014.
[11]王阳峰,阎龙,申海平.两种中东减压渣油非等温热转化反应的热重法研究[J].石油炼制与化工,2012,9(43):10-13.
[12]陈坤.重油热转化过程中吸放热效应研究[D].北京:中国石油大学,2013.
[13]孙钦玺.热反应对辽河重油及其重组分性质的影响研究[D].北京:北京化工大学,2014.
[14]梁文杰.石油化学[M].东营:石油大学出版社,1995,133-142.
[15]Torrente M C,Gala'n M A.Kinetics of the thermal decomposition of oil shale from Puertollano(Spain)[J].2001(80):327-334.