Sweet sorghum made breakthroughs in the research and production of fuel ethanol

Since 2002, Xinjiang Academy of Agricultural Sciences contacted the Institute of Botany of the Chinese Academy of Sciences, the Agricultural Engineering Design and Research Institute of the Ministry of Agriculture, the China Agricultural University Material Engineering Center, and Tsinghua University to jointly form the research team for the production of fuel ethanol from Xinjiang Sweet Sorghum. Through unremitting efforts, the staff has made a series of breakthroughs in the selection and breeding of sweet sorghum, comprehensive cultivation of high sugar and high yield, straw storage, solid fermentation, etc.: One new sweet sorghum variety was approved (sweetness rate of straw reached 17~20 %); Determines efficient production techniques for early maturing varieties, special early maturing varieties, medium maturing varieties, and mid-late maturing varieties in different ecological areas; establishes sweet sorghum multiplication and regeneration techniques; solves the storage problem of sweet sorghum stalks and enables storage of straw The period of more than 4 months, the total sugar loss rate dropped to less than 10%; through straw fermentation, pilot production of ethanol (63%) has formed an annual capacity of 500 tons, the cost per ton of production is below 3,000 yuan. The technological breakthrough in the production of fuel ethanol from sweet sorghum has provided strong technical support for the production of biomass ethylene. According to estimates, 10 million mu of sweet sorghum can produce 2.8 million tons of 95% ethanol and 2 million tons of ethylene; if 2 million tons of ethylene is extracted from crude oil, requiring 6 million tons of crude oil. Relevant departments proposed the idea of ​​“rebuilding an above-ground green Tarim Oilfield” and strived to implement the “Xinjiang sweet sorghum biomass ethylene industrialization project”. Once the project was proposed, it was highly concerned by relevant domestic parties. In May this year, Shi Yuanchun, an academician from the China Agricultural University, sent a person to Xinjiang to conduct a detailed investigation on the preliminary research of biomass ethylene conversion based on sweet sorghum and the environmental and resource conditions of Xinjiang. After the inspection, it was considered that the development of material energy in Xinjiang has Unique natural resources and a solid foundation for early research and development, it is recommended that Xinjiang should actively create conditions for the introduction of large-scale chemical companies and accelerate the process of industrialization. In July, after the Sinopec Economic and Technical Research Institute completed the economic and technical evaluation of the project, the dean Liu Junan made a special trip to Xinjiang to observe that Sinopec and Xinjiang cooperated to develop biomass ethene with sweet sorghum as the main crop. It is necessary to open the material ethylene under certain technical and economic conditions. August, China Petrochemical Corporation, China A 7-member member of the Petrochemical Corporation’s senior vice president Cao Xianghong made a visit to Xinjiang for the preliminary work on the development of the biomass ethylene industry. He highly praised the preliminary research and development of the project and reached a consensus between Xinjiang Uygur Autonomous Region and China Petrochemical Corporation to promote the development of the project. Material Ethylene Industrialization Project Intention to cooperate.

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