In 2023, students achieved the best historical results in the 18th Environmental Science Competition. After two rounds of online letter reviews and final defense meetings, we won five awards: two special prizes, one second prize, one third prize, and one poster prize. The two special prize works came from the team of Academician Xu Zuxin.
The graduate student team led by Professor Ye Jianfeng won the Special Prize and Best Poster Award in the Science and Technology Concept category for their work “Water and Land Co-prosperity, Grinding to Eliminate Black-Precision Positioning Technology for High Organic Sediment in Urban Drainage Pipes.” The project targets the problem of serious misconnections in China’s urban drainage systems, which leads to the direct discharge of pollutants on rainy days and repeated black and odorous water bodies in rivers. For the first time, they developed a precision positioning technology for highly organic sediment in urban drainage pipes, developed corresponding online monitoring equipment, and achieved precise and intelligent positioning of ditch sediment with a high organic content. The pollution control concept, positioning technology, and online monitoring equipment proposed for the first time in this study are currently being promoted and applied nationwide.
The undergraduate team led by Professor Dong Bin won the only special prize in the Science and Technology Physical category for their work “Community Wet Waste In-situ Resource Technology Equipment Based on Ultra-High Temperature Aerobic Fermentation”. The project targets the problem of the easy rot and odor of wet garbage at community garbage sorting points and high transportation costs. In this study, small-scale ultra-high-temperature aerobic fermentation equipment was used to quickly degrade wet garbage in situ at collection points. The project results were piloted in ten cities and rural communities to achieve good demonstration effects.
The graduate student team led by Professor Chai Xiaoli won second prize in the Science and Technology Physical category for their work “Development of Micronano Composite Powder Carrier Materials and Their Application in Upgrading and Expansion of Sewage Treatment Plants.” This project developed a cyclone separation unit with the function of selective separation and recovery of sludge, solved the contradiction between phosphorus-accumulating bacteria and denitrifying bacteria in the generation cycle, realized the “double mud age” of sludge, and significantly improved the efficiency of synchronous nitrogen and phosphorus removal in the system. This technology has been widely used in nearly 20 provinces and cities across the country, and in more than 30 new, upgraded, and expanded projects of sewage treatment plants, achieving significant environmental, social, and economic benefits.
The graduate student team led by Professor Wu Deli won the third prize in the Science and Technology Concept category for their work “Low-Carbon Transformation and System Reconstruction of Industrial Water Sources: Towards Sustainable Clean Production under the Electrochemical-Thermal-Cooking Cycle Fusion System”. The project starts from the perspective of green-environmental-resource, this work proposes the enrichment and recovery of heavy metals, as well as the evaporation production of clean water, to achieve the classification of resources from heavy metal salt water to heavy metal salt, sodium salt, and clean water. This scheme forms a two-step resource recovery path by understanding the design of solar evaporation and capacitive deionization structures.
The competition is co-organized by Tsinghua University, Tongji University, Xi'an University of Architecture and Technology, and the Chinese Society of Environmental Science, and co-organized by Tsinghua Suzhou Environmental Innovation Research Institute, Tsinghua x-lab and other related units. The award ceremony was held at 13:00 on December 23rd at 121 Lecture Hall, Mingjing Building, Siping Road Campus, Tongji University, and was broadcasted live on multiple platforms, with a cumulative total of 15,000 views and about 2,000 likes.
Mr. Liu Shuming, Dean of School of Environment, Tsinghua University, Mr. Lu Jinsuo, Dean of School of Environment and Municipal Engineering, Xi'an University of Architecture and Technology, Mr. Wang Zhiwei, Dean of College of Environmental Science and Engineering, Tongji University, and Mr. Qi Jun, Director of Training, Geberit (Shanghai) Trading Company Limited, attended the award ceremony and delivered speeches.
Prof. Wang Zhi, Dean of College of Environmental Science and Engineering, Tongji University
Prof. Liu Shuming, Dean of School of Environment, Tsinghua University
Prof. Lu Jinsuo, Dean of the College of Environmental and Municipal Engineering of Xi'an University of Architecture and Technology
Mr. Qi Jun, Training Director of Geberit (Shanghai) Trading Co
A total of 15 groups of works were awarded in the category of scientific and technological concepts, including 2 groups of special prizes, 3 groups of first prizes, 4 groups of second prizes and 6 groups of third prizes. A total of 14 groups of works were awarded in the category of scientific and technological objects, among which 1 group won the grand prize, 2 groups won the first prize, 5 groups won the second prize and 6 groups won the third prize. In the Green Entrepreneurship category, a total of 10 groups of entries won awards, of which 1 group won the Grand Prize, 2 groups won the First Prize, 2 groups won the Second Prize and 5 groups won the Third Prize. In the categories of Science and Technology Concepts, Science and Technology Objects and Green Entrepreneurship, 3 groups of works each won the Best Wall Poster Award.
After the award ceremony, the Science and Technology Innovation Forum was held in the lecture hall on the fourth floor of Mingjing Building of Tongji University. The forum invited Pprofessor Mao Shun, doctoral director, leading talent in science and technology innovation of National High-level Talent Program, national young talent, of College of Environmental Science and Engineering, Tongji University, to give a keynote report, and also invited the excellent winners to share their experiences.
Prof. Mao Shun gave a keynote report
Group photo
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