当前位置: X-MOL 学术J. Dispers. Sci. Technol. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Synthesis of polytriethanolamine based surfactant and its flotation performance evaluation of oilfield produced water treatment
Journal of Dispersion Science and Technology ( IF 1.9 ) Pub Date : 2021-07-22 , DOI: 10.1080/01932691.2021.1947850
Shenwen Fang 1 , Weixin Hu 1 , Qingqing Tang 1 , Manlin Wang 2 , Xiujun Wang 3, 4 , Ming Duan 1
Affiliation  

Abstract

As the amount of oilfield produced water (PW) keeps going up, highly efficient flotation agent is needed. In this paper, a series of surfactants (abbreviated as Q-PTEA-Cn) derived from polytriethanolamine were synthesized. Their surface activities and flotation performance were evaluated. The result showed that the Q-PTEA-Cns can effectively reduce the surface tension of water and interface tension of crude oil/water. The Q-PTEA-C12-1 had the best flotation performance and the rational flotation condition was recommended as follows: Q-PTEA-C12-1 dosage 100 mg/L, gas flow 3 L/min, and flotation time 20 minutes. At this condition, the oil removal efficiency of two commonly used flotation agents (FL-1 and FL-2) and Q-PTEA-C12-1 were 62.3%, 69.1%, and 83.6%, respectively. The flotation kinetic of Q-PTEA-C12-1 can be described by Maruyama’s flotation model, which presented that there was adsorption of oil droplet adsorbed surfactant onto bubble. Floatation mechanism study confirmed that the Q-PTEA-C12-1 can absorb onto the oil droplet and showed that the Q-PTEA-C12-1 can enhance the bubble–drop attachment efficiency and the stability of bubble–drop agglomerates.



中文翻译:

聚三乙醇胺基表面活性剂的合成及其在油田采出水处理中的浮选性能评价

摘要

随着油田采出水量的不断增加,需要高效的浮选剂。在本文中,合成了一系列衍生自聚三乙醇胺的表面活性剂(缩写为 Q-PTEA-Cn)。评估了它们的表面活性和浮选性能。结果表明,Q-PTEA-Cns能有效降低水的表面张力和原油/水的界面张力。Q-PTEA-C12-1的浮选性能最好,推荐的合理浮选条件为:Q-PTEA-C12-1用量100 mg/L,气体流量3 L/min,浮选时间20 min。在此条件下,两种常用浮选剂(FL-1和FL-2)和Q-PTEA-C12-1的除油效率分别为62.3%、69.1%和83.6%。Q-PTEA-C12-1的浮选动力学可以用Maruyama的浮选模型来描述,表现为油滴吸附表面活性剂到气泡上。浮选机制研究证实 Q-PTEA-C12-1 可以吸附到油滴上,并表明 Q-PTEA-C12-1 可以提高气泡滴附着效率和气泡滴团聚体的稳定性。

更新日期:2021-07-22
down
wechat
bug