分子蒸馏技术在费托合成蜡分切中的应用研究
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摘要
介绍了费托合成产物及分子蒸馏技术的特点,费托合成产物具有正构烷烃含量高,不含硫、氮、芳烃的特点,是生产高级费托蜡产品的优质原料,但只通过传统的实沸点蒸馏、减压精馏等技术难以实现费托蜡的精细分切。分子蒸馏技术具有真空度高、物料受热时间短、受热温度低、分离程度高的优点,适合分离高沸点及热敏性物质。综述了分子蒸馏技术在费托蜡分切中的应用进展,并提出了我国费托蜡的发展建议。
The characteristics of F-T synthesis products and molecular distillation technology are introduced in this paper,F-T synthesis products have the characteristics of high n-alkane content,no sulfur,nitrogen and aromatic hydrocarbon. they are high-quality raw materials for producing high-grade F-T wax products,but it is difficult to achieve fine cutting of F-T wax only through traditionaldistillation such as true boiling point distillation/vacuum distillation. Molecular distillation technology has the advantages of higher vacuum degree,shorter heating time,lower heating temperature and higher separation degree,and it is better for separating high boiling point and heat sensitive substances. The application progress of molecular distillation technology in F-T wax cutting was summarized,and the suggestions for the development of F-T waxwere put forward.
The characteristics of F-T synthesis products and molecular distillation technology are introduced in this paper,F-T synthesis products have the characteristics of high n-alkane content,no sulfur,nitrogen and aromatic hydrocarbon. they are high-quality raw materials for producing high-grade F-T wax products,but it is difficult to achieve fine cutting of F-T wax only through traditionaldistillation such as true boiling point distillation/vacuum distillation. Molecular distillation technology has the advantages of higher vacuum degree,shorter heating time,lower heating temperature and higher separation degree,and it is better for separating high boiling point and heat sensitive substances. The application progress of molecular distillation technology in F-T wax cutting was summarized,and the suggestions for the development of F-T waxwere put forward.
引文
[1]梁雪美,袁炜,罗春桃.高熔点费托合成蜡的生产概况与应用[J].合成材料老化与应用,2017,46(4):92-94.
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[8]康智亮,王红.分子蒸馏的应用及发展[J].现代化工,2014,34(10):44-48.
[9]徐婷,韩伟.分子蒸馏的原理及其应用进展[J].机电信息,2015(8):1-8.
[10]陈芬芬,王京.分子蒸馏技术及其在渣油分离中的应用[J].石化技术与应用,2010,28(3):253-257.
[11]刘俊义,葛振宇,张力,等.一种提高费托蜡凝固点的方法:中国,CN103980940A[P].
[12]韩晖,王迅文,毛华平,等.一种费托粗蜡生产高级蜡的方法:中国,CN106554823A[P].
[13]孙启文,杨正伟,张宗森.一种由费托合成产品生产高熔点蜡的方法:中国,CN104673383A[P].
[14]双玥.高熔点费托合成蜡的应用及发展趋势[J].化学工业,2012,30(10):11-15.
[15]吴伟.特种蜡发展思路[J].当代化工,2007,32(2):111-114.
[2]裴曼琳,张志新,周敬来,等. F-T合成蜡的研究进展[J].石油化工,1995,24(12):900-903.
[3]孙剑锋,毕文卓,王诗语.费-托合成蜡的性质及应用展望[J].当代化工,2016,45(12):2884-2890.
[4]许毅.煤间接液化产品结构的发展方向[J].大氮肥,2015,38(3):145-150.
[5]刘成双,于慧. Co基费托合成催化剂研究进展[J].化学工业与工程技术,2013,34(8):5-11.
[6]阎世润,张志新,周敬来. FT合成烃类蜡的研究进展[J].合成化学,1996,4(2):122-127.
[7]李增杰,袁炜,罗春桃.费托合成油品加氢精制的工艺条件及产品分析[J].石油化工应用,2016,35(9):117-120.
[8]康智亮,王红.分子蒸馏的应用及发展[J].现代化工,2014,34(10):44-48.
[9]徐婷,韩伟.分子蒸馏的原理及其应用进展[J].机电信息,2015(8):1-8.
[10]陈芬芬,王京.分子蒸馏技术及其在渣油分离中的应用[J].石化技术与应用,2010,28(3):253-257.
[11]刘俊义,葛振宇,张力,等.一种提高费托蜡凝固点的方法:中国,CN103980940A[P].
[12]韩晖,王迅文,毛华平,等.一种费托粗蜡生产高级蜡的方法:中国,CN106554823A[P].
[13]孙启文,杨正伟,张宗森.一种由费托合成产品生产高熔点蜡的方法:中国,CN104673383A[P].
[14]双玥.高熔点费托合成蜡的应用及发展趋势[J].化学工业,2012,30(10):11-15.
[15]吴伟.特种蜡发展思路[J].当代化工,2007,32(2):111-114.