After nearly a year of research by the research team of Qufu Normal University, the problem of the inefficiencies of the waste water from the processing of garlic slices was overcome. It not only realizes the recycling of waste water, but also extracts high-end products such as garlic polysaccharides and allicin, which solves the “bottleneck†problem of garlic deep processing.
“In the beginning, I was carrying wastewater for help everywhere.†On the afternoon of April 28, Chen Hua, deputy director of the Agriculture Committee of the company who was in charge of installing wastewater treatment equipment, told reporters that due to the blind expansion of garlic production and the increasingly solid international trade. Barriers, the export of primary products based on garlic suffered "winter". Deep processing became the only way out, but because the waste water from garlic processing was seriously exceeded, the county government shut down all 268 garlic dewatering plants last year in order to cooperate with the South-to-North Water Diversion Project.
Associate Professor Zheng Yongjun of Qufu Normal University’s Institute of Chemistry is the head of the research team. He explained that the allicin contained in the garlic processing wastewater is the “culprit†for the waste water that is difficult to degrade, but it is also a precious pharmaceutical raw material. The subject research group adopted molecular imprinting separation technology and membrane separation technology to carry out multi-stage separation treatment of wastewater, and finally achieved a major breakthrough. It successfully applied for the extraction of two national invention patents for allicin and garlic polysaccharide from wastewater. After more than two months of industrial trial production, wastewater recycling and zero discharge have been achieved, and the technical requirements for industrial production have been achieved. Experts conducted field inspections and demonstrated that the technology is mature and can be promoted.
Jing Zhaoxun, party secretary of Qufu Normal University, told reporters that serving the local work is an important function of the university. The ultimate goal of scientific research innovation in colleges and universities is to support local economic and social needs and achieve a win-win situation for the school.
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