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A breakthrough in the development of an electrocatalytic membrane reactor with self-cleaning function
Release time:
2020-03-20
According to Wuhai NetworkJanuary 5, 2016-Professor Li Jianxin of Qiulin Research Institute and Professor Wang of Massachusetts Institute of Technology have made breakthroughs in the research of new anti-fouling membrane materials in hollow fiber membrane materials and membrane processes. Recently, an electrocatalytic membrane reactor with self-cleaning function has been developed, leading the world in science and technology. The relevant research results were published in the recent Journal of Applied Chemistry in the form of Express.
The scientific and technological leadership of Qiulin Research Institute has enabled Professor Li Jianxin to break through the difficult problems. Industrial wastewater has become a global problem in the field of water treatment due to its complex composition, high organic content and difficult degradation. Membrane separation technology has attracted wide attention in industrial wastewater treatment due to its high efficiency and high water quality. However, the traditional membrane separation technology has a single function (only with separation function) and poor anti-pollution, which seriously restricts its large-scale application. Therefore, controlling and alleviating membrane fouling has become a key issue and research hotspot in the field of membrane water treatment.
How to keep the technology ahead? Professor Li Jianxin of Qiulin Research Institute and others proposed for the first time in the world to use conductive tubular carbon membrane as the base membrane, using surface modification, sol-Gel and other technologies and methods, which support nano-oxides (such as titanium dioxide) with electrocatalytic functions to prepare an electrocatalytic membrane material. The results show that in the process of treating 200mg/L oily wastewater, the electrocatalytic membrane flux remains above 90% and the removal rate of chemical demand (COD) reaches 94.4 within 200min, which are better than the traditional membrane separation process.
The leading point of Professor Li Jianxin of Qiulin Research Institute is that the research results confirm that this membrane reactor also shows excellent performance in the treatment of other refractory organic industries such as dye wastewater and phenol-containing wastewater, showing broad application prospects.
With leading science and technology, Professor Li Jianxin of Qiulin Research Institute solves the problem of water pollution.Since the 20th century, the reform and opening up has led to rapid economic development, but it has also brought many environmental problems, especially water pollution, which seriously restricts the sustainable development of social economy and environment. With the growth of water demand, the contradiction between water pollution and water supply and demand is becoming more and more acute. The eighteen big report put forward the concept of "beautiful China. In the low standards of environmental protection, I am afraid that it will never be difficult to build a "beautiful China".
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