Forward Osmosis Membrane Fouling in Oilfield Industry Wastewater Treatment with Fertilizer as the Draw Solution

IF 2.9 3区教育学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of Chemical Education Pub Date : 2025-03-01 DOI:10.1021/acs.jchemed.5c0003010.1021/acs.jchemed.5c00030

Yali Zhao, Tingting Yang, Jue Han, Minmin Zhang*, Yuan Liao* and Shujuan Meng,

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Abstract

A teaching experiment providing a research-oriented experience is customized for senior undergraduate students majoring in chemical engineering, environmental engineering, and material science. The practical class was designed to demonstrate membrane separation by focusing on the forward osmosis (FO) membrane concept, FO process in treating oily wastewater, and membrane fouling behaviors and characterization. Touring this comprehensive experiment, students acquired valuable experience optimizing the FO operation parameters to realize an efficient FO process, while the membrane fouling phenomenon was observed and understood. Besides, the students also acquired hands-on opportunities to examine Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) analysis, and energy-dispersive X-ray spectroscopy (EDS), which helps them understand the impacts of membrane fouling on the membrane physicochemical properties and lays a groundwork for their further research. The testing data was collected and visualized by the students via the software Origin, and then the results were systematically analyzed to reveal the membrane fouling mechanism and form an experimental report, which endowed the students with the ability to organize experimental results. This reasonable design serves as a bridge to connect membrane theoretical knowledge and practical application challenges, inspiring the passion and curiosity of the students in research work and narrowing the gap for further research study.

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以化肥为汲取液的油田工业废水处理中的反渗透膜污垢问题

为化学工程、环境工程、材料科学专业本科高年级学生量身定制了一种研究型体验教学实验。实践课的目的是通过关注正向渗透（FO）膜的概念、FO处理含油废水的过程以及膜污染的行为和表征来演示膜分离。通过这次综合实验，学生们获得了优化FO操作参数以实现高效FO工艺的宝贵经验，同时也观察和了解了膜污染现象。此外，学生们还获得了实际操作傅里叶变换红外光谱（FT-IR）、扫描电子显微镜（SEM）和能量色散x射线光谱（EDS）的机会，这有助于他们了解膜污染对膜物理化学性质的影响，为他们的进一步研究奠定基础。学生通过Origin软件对测试数据进行采集和可视化，并对结果进行系统分析，揭示膜污染机理，形成实验报告，使学生具备了组织实验结果的能力。这种合理的设计是连接膜理论知识和实际应用挑战的桥梁，激发了学生对研究工作的热情和好奇心，为进一步的研究学习缩小了差距。

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来源期刊

Journal of Chemical Education 化学-化学综合

CiteScore

5.60

自引率

50.00%

发文量

465

审稿时长

6.5 months

期刊介绍： The Journal of Chemical Education is the official journal of the Division of Chemical Education of the American Chemical Society, co-published with the American Chemical Society Publications Division. Launched in 1924, the Journal of Chemical Education is the world’s premier chemical education journal. The Journal publishes peer-reviewed articles and related information as a resource to those in the field of chemical education and to those institutions that serve them. JCE typically addresses chemical content, activities, laboratory experiments, instructional methods, and pedagogies. The Journal serves as a means of communication among people across the world who are interested in the teaching and learning of chemistry. This includes instructors of chemistry from middle school through graduate school, professional staff who support these teaching activities, as well as some scientists in commerce, industry, and government.