酒精 - 基于酒精的提取溶液最大限度地减少了前透淡化中逆溶液流量
Kaushik Dey1, D Dsilva Winfred Rufuss2
1School of Mechanical Engineering, Vellore Institute of Technology, Tamil Nadu, Vellore, 632014, India.
概括
这项研究引入了新的酒精-酒精吸收解决方案,用于前方透 (FO),以减少反向溶解物流 (RSF). E10+IPA90混合物显示出有希望的结果,最大限度地减少RSF,同时保持良好的水流量,用于潜在的商业应用.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 环境科学 环境科学
- 膜技术 膜技术 膜技术
背景情况:
- 基于酒精的吸取溶液 (DS) 由于性能和再生容易,正趋向于前向透 (FO).
- 基于酒精的DS的高逆溶液流量 (RSF) 限制了它们在水处理中的使用.
- 开发具有较低RSF的DS对于商业化FO技术至关重要.
研究的目的:
- 为了最大限度地减少以酒精为基础的提取溶液在FO中的RSF.
- 首次研究基于酒精的酒精提取溶液的疗效.
- 为了评估不同乙醇-异醇混合物在FO中作为DS的性能.
主要方法:
- 三种酒精-酒精DS的制备和表征:E70+IPA30,E40+IPA60和E10+IPA90.
- 研究DS的特性:度,剪切应力和粘度.
- 温度和度的参数研究,使用MATLAB的固定点代方法进行分析.
主要成果:
- E10+IPA90混合物显示了最低的RSF (40.62g/m2/h) 和特定的RSF (3.78g/L).
- E10+IPA90在25°C时实现了11.47 LMH的水流量和26.29%的回收.
- 与E70+IPA30和E40+IPA60相比,E10+IPA90在减少RSF方面表现优越.
结论:
- 基于酒精的E10+IPA90酒精吸水溶液是FO应用的有希望的候选者.
- 这种DS配方有效地将反向溶解物流量降到最低,解决了FO技术的一个关键局限性.
- 进一步研究和优化酒精-酒精DS可以提高FO在水和废水处理方面的商业可行性.
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