石油炼制与化工 ›› 2017, Vol. 48 ›› Issue (3): 54-57.

• 基础研究 • 上一篇    下一篇

一种沥青分散剂的研制及其对油浆阻垢性能的评价

赵红丽,姚丽珠,丛玉凤,黄玮,段月英,白双福,唐东   

  1. 辽宁石油化工大学化学化工与环境学部
  • 收稿日期:2016-08-25 修回日期:2016-10-10 出版日期:2017-03-12 发布日期:2017-02-24
  • 通讯作者: 丛玉凤 E-mail:yufengcong02@163.com
  • 基金资助:
     

DEVELOPMENT AND PERFORMANCE OF ASPHALTENE INHIBITOR/ DISPERSANT

    

  1.  
  • Received:2016-08-25 Revised:2016-10-10 Online:2017-03-12 Published:2017-02-24
  • Supported by:
     

摘要: 采用聚异丁烯基丁二酰亚胺、咪唑和水杨醛为原料制备了一种新型沥青分散剂,考察了原料配比、反应温度和反应时间对产品阻垢性能的影响;采用傅里叶红外光谱对产品结构进行表征;采用经典失重法考察产品的缓蚀性能,对其进行热重分析,并考察了阻垢剂各组分配比对油浆阻垢性能的影响。结果表明:沥青分散剂的最佳合成条件为:n(聚异丁烯基丁二酰亚胺):n(咪唑):n(水杨醛)=2:2:1,反应温度140 ℃,反应时间5 h;红外光谱分析表明合成的样品为目的产物;合成的沥青分散剂具有良好的热稳定性,在200~380 ℃内未出现热失重情况;具有较好的阻垢性能,当加入量(w)为150 μg/g时,对油浆的阻垢率可达79.0 %;并具有较好的缓蚀性能,缓蚀率为84.6%。

关键词: 沥青分散剂, 阻垢剂, 催化裂化油浆, 阻垢性能

Abstract: A new type of asphalt dispersant was prepared by using polyisobutylene succinimide, imidazole,and salicylaldehyde as materials and characterized by FT-IR. The effects of molar ratio of the material,reaction time and temperature on the scale inhibition performance of the product were investigated;the weight loss analysis was used to test the corrosion inhibition performance of product; and the effect of the ratio of scale inhibitor components on the asphaltene inhibition was discussed. The results show that the best synthetic conditions for asphalt dispersant are: mole ratio of 2:2:1 for polyisobutylene succinimide: imidazole: salicylaldehyd, and reaction time of 5 h at 140 ℃. IR spectrum shows that the desired product is synthesized;No thermal weight loss in 200—380 ℃ indicates the good thermal stability of the product. When 150 μg/g product was added, the asphaltene inhibition rate is up to 79.0%,and the corrosion-inhibiting rate is up to 84.6%.

Key words: asphalt dispersant, scale inhibitor, catalytic slurry, scale inhibition performance

中图分类号: