A technology invented by researchers at the University of California, Davis, that can convert solid waste into renewable energy, debuted today. This is the first commercialized high-solids anaerobic digestion system in the United States. Professor Ruihong Zhang of the University of California, Davis, has been working on the development of anaerobic digestion technology for the past ten years. In 2006, she upgraded the technology from the laboratory to the demonstration stage. Clean World Partners (Clean World Partners) is an emerging company located in the town of Sacramento. It purchased the right to use the technology from the University of California, Davis. The company today launched this biodigestive system at a packaging company in Sacramento, California, marking the first time Zhang Ruihong's research has entered the market. "I appreciate Professor Zhang's great achievement." Linda PB Katehi, Superintendent of the University of California, Davis, said, "Scientists like Professor Zhang are helping the University of California Davis solve the most urgent problems of our time. Global issues. Her work has taken us a big step towards the sustainable future we all aspire to. " The anaerobic digestion system is placed in American River Packaging. It will convert 7.5 tons of food waste from food processing plants in the region every day-including those from Campbell's Soup Company-and half a ton of non-recyclable corrugated materials from American River Packaging Company For natural gas. The system will generate approximately 1,300 kilowatt hours of renewable energy per day, which can meet 37% of the electricity demand of American River Packaging Company, while preventing approximately 2,900 tons of waste from entering the landfill every year. This project has created 22 jobs. "Such projects and technologies are actually changing the way society views garbage as a resource, which ultimately leads to a better world, cleaner environment and new jobs." Professor Zhang said. Anaerobic digestion relies on bacteria to decompose biodegradable waste materials in an anoxic environment. Zhang Ruihong's system converts such waste into valuable by-products such as renewable energy, compost, water and natural fertilizer. Although anaerobic digestion itself is not a new technology, its operational and material handling flaws have prevented it from being commercialized. Zhang Ruihong's efficient digestion technology is different from most other similar technologies. The latter mainly deals with liquid waste, such as manure from dairy farms and municipal wastewater. And Zhang Ruihong's technology can transform both liquid and solid waste, including food waste, courtyard waste, plant residues, paper and cardboard. Professor Zhang also strived to overcome two key issues that hindered the widespread use of anaerobic digestion systems: time and cost. This new technology makes such waste conversion systems reproducible, and many components can be prefabricated, reducing the time to build the system. For example, the equipment that Clean World Partners placed in the American River Packaging Company took less than 90 days from nothing to produce energy, and the cost was between 2 million and 3 million US dollars. Professor Zhang's system converts waste into energy in half the time of other digestion equipment, but it can produce more gas that can then be converted into clean energy. These energy efficiency improvements can reduce costs and maximize energy production and the amount of waste away from landfills. Clean World Partners was established in 2009 and is committed to commercializing and promoting Professor Zhang ’s anaerobic digestion technology to a wider market. The company plans to use Professor Zhang ’s technology to open a second waste conversion plant at the Southern District Conversion Station in Sacramento in June. "As a major consultant, Ruihong's contribution is still critical to our success." Michele Wong, CEO of Clean World Partners and alumni of the University of California, Davis, said, "Being able Ruihong is proud of working together to commercialize these technologies. " This anaerobic digestion device was first developed and tested as a demonstration plant project at the University of California, Davis. Davis is currently working with Clean World Partners to build a complete biological digestion system on campus. Although the project is still in the planning stage, this biodigestive system is expected to help UC Davis West Village, the nation's largest planned "zero net energy" community, achieve its goal of teaching in one year The same amount of energy produced in time is consumed. The US Department of Energy ’s Community Renewable Energy Development Project, the California Energy Commission ’s Public Interest Energy Research Project, and the California Department of Resource Recycling and Recycling (CalRecycle) are Professor Zhang ’s main sources of public funding for the biodigestive system. About the University of California, Davis For more than 100 years, the University of California, Davis has been dedicated to teaching, research, and public services related to California and changing the world. Davis is located near the state capital of California and has more than 32,000 students, more than 2,500 teachers, and more than 21,000 faculty and staff. The branch ’s annual research funding exceeds US $ 678 million, and it has a comprehensive health care system and 13 professional research centers. 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