On December 28, the Planning and Finance Bureau of the Chinese Academy of Sciences organized experts in Zhanjiang, Guangdong Province to conduct on-site acceptance of the major research equipment development project "Development of New Membrane Concentration Device" hosted by Researcher Wan Yinhua of the Institute of Process Engineering. More than 20 experts from the Academy's Planning and Finance Bureau and Process Engineering Institute attended the meeting. The acceptance expert group consists of academicians Gao Congchang, Academician Hou Li'an, and Professor Wang Shichang from the Hangzhou Water Treatment Technology Research and Development Center of the State Oceanic Administration, the Second Artillery Engineering Design and Research Institute, Tianjin University, Guangzhou Branch of the Chinese Academy of Sciences, Shanghai Applied Physics It is composed of experts from the Research Institute, Guangzhou Institute of Biomedicine and Health, China Ion Exchange Resin Industry Committee, Institute of Chemistry, Chinese Academy of Sciences, and Beijing University of Chemical Technology. Academician Gao Congchang served as the leader of the expert group and presided over the acceptance meeting.
The experts at the meeting heard the equipment development work report, financial final report and equipment use report of Researcher Wan Yinhua, reviewed the test report of the test expert group and examined the complete set of equipment developed and its operation on the spot. Discussion and questioning.
During the implementation of the project, the project team successfully completed the tasks specified in the mission statement and achieved a number of research results. Developed a membrane pilot plant based on membrane filtration-extraction integrated technology, which integrates many functions such as product separation, high-efficiency concentration, on-line analysis, in-situ cleaning, and multi-parameter visualization automatic control. It is a typical function-enhanced multi-technology Integrated system. Established a new technology for ultrafiltration concentration of biomacromolecules based on membrane filtration-draining integrated technology to achieve continuous high-magnification of biomacromolecules. The average concentration of 0.5 g / L bovine serum albumin (BSA) solution can reach more than 300 times. The protein recovery rate is as high as 97%. The membrane concentration process can be operated stably for a long time. The continuous operation time without cleaning is more than 100 hours. The energy consumption is 80% lower than that of conventional cross-flow membrane filtration, and the efficiency is 6-7 times that of conventional cross-flow membrane filtration. At the same time, the problem of protein inactivation caused by shearing can be avoided.
In view of the application potential of the technology, the technical testing expert group and project management unit suggested that the innovative technology be extended to the field of seawater desalination. The project undertaker cooperated with Guangdong Zhongkebao Biotechnology Co., Ltd. to jointly develop reverse osmosis-drainage integrated technology and equipment for seawater desalination, and conducted a pilot test for nearly a year. The results show that using this technology for seawater desalination, the water consumption per ton of water is only 2.33 kWh, the concentration of concentrated water salt can reach 12%, and the water recovery rate can reach 80%, which provides a new technical approach for the economic utilization of sea water resources.
The expert group agreed that the project successfully completed the tasks stipulated in the project mission statement, and that all technical indicators met or even exceeded the requirements of the mission statement, and unanimously agreed that the project passed the acceptance.
Equipment for desalination
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