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According to reports, the research team led by Professor Zhang Minhua of Tianjin University's petrochemical center took the lead in breaking through the bottleneck that restricts the development of the cassava fuel ethanol industry in China, and formed a complete set of cassava fuel ethanol technology with independent intellectual property rights and internationally advanced levels. This technology can make the high-yield non-food crop cassava processed into fuel ethanol instead of gasoline, which opened the prelude to non-food crop production of fuel ethanol in China. This achievement has applied for 12 national patents, forming a number of technologies such as cassava thickening sand removal, simultaneous cassava fermentation of cassava and thick glutinous fermentation, coupled with three-way heat coupled distillation and distillation process of molecular sieve pressure swing adsorption dehydration, and other key technologies have been realized. The original innovation of the cell technology and the integrated innovation of the cassava fuel ethanol full-flow production process.
This technology has been promoted throughout the country since 2007, and has achieved breakthroughs in the field of non-food fuel ethanol production technologies such as potato, lignocellulose and sweet sorghum. In Guangxi COFCO 200,000 tons/year cassava fuel ethanol production demonstration project, Guangxi COFCO cassava fuel ethanol second-phase expansion project, Shandong Zhenlong Biochemical Group 100,000 tons/year potato fuel ethanol project, Jiangxi Petrochemical Yufan Alcohol Company 100 thousand The ton/year cassava fuel ethanol project, Zhongxing Energy (Inner Mongolia) Co., Ltd. 30,000 tons/year sweet sorghum fuel ethanol demonstration project and COFCO Biomass Energy (Jiandong) company corn stove fuel ethanol pilot project have adopted technology.
Among them, Guangxi COFCO's 200,000-ton/year cassava fuel ethanol production demonstration project is the first demonstration project to produce fuel ethanol with non-food raw materials approved by the “Eleventh Five-Year Plan†in China. It is also the largest single cassava in the world today. Fuel ethanol production plant. From March 2008 to August 2009, the demonstration plant produced a total of 247,000 tons of fuel ethanol, equivalent to about 1 million tons of crude oil in gasoline production. The new output value was 1.65 billion yuan, and the farmers' income increased by 355 million yuan.
According to the "Eleventh Five-Year Plan" Outline, by 2020, the annual utilization of fuel ethanol in China will reach 10 million tons, and the production of raw materials will be mainly based on non-food. The application of this technology will have a promising future.
Background links Fuel ethanol is the most successful substitute for biomass energy. New energy industries have been formed in the United States, Brazil, the European Union and other countries and regions.
In 2009, China's fuel ethanol production reached 1.7 million tons, and bioethanol gasoline consumption accounted for about 20% of the country's gasoline consumption. However, most food crops such as corn, wheat, and rice were used as raw materials. Due to factors such as the supply of grain raw materials, the national biomass energy industry policy will focus on supporting the development of the non-food fuel ethanol industry. In 2007, the National Development and Reform Commission approved and approved the Guangxi COFCO annual output of 200,000 tons of cassava fuel ethanol demonstration project.
Cassava crops are drought- and drought-tolerant and do not compete with grain. China's Guangxi and Hainan have abundant cassava resources. This is a non-food fuel ethanol production material that can be used on a large scale industrially and economically feasible. Prior to the construction of the demonstration project, China did not master the key technologies and equipment for large-scale production of cassava fuel ethanol, which restricted the healthy development of the cassava fuel ethanol industry in China.
Cassava fuel ethanol industry opened
The reporter learned from Tianjin University on March 25th that the 200,000-ton/year cassava fuel ethanol demonstration project completed by the university as the first completion unit and Guangxi Zhongliang Biomass Energy Co., Ltd. won the first prize at the Guangxi Science and Technology Award Conference and obtained the technology. Progress first prize. As a platform technology that supports the development of the large-scale non-food fuel ethanol industry, the current technology has been granted a royalty of RMB 22.95 million, which shows a broad application prospect.