News feedback: New breakthroughs in sugarcane fuel ethanol production and development

The use of sugarcane as a raw material for producing fuel ethanol has proven to be highly efficient due to its high productivity. Experts recommend that while China continues to develop fuel ethanol from corn and wheat, it should also actively promote the technology of producing fuel ethanol from sugarcane. This would help alleviate the pressure on per capita arable land resources in the country. This news was reported on September 28th. According to the report, in an effort to promote the nationwide development of sugarcane-based fuel ethanol technology, Guangxi — the main sugarcane-producing region — has accelerated its research and development efforts. The Guangxi Academy of Agricultural Sciences, responsible for this key technology, has recently made significant progress. Li Ruiyang, dean of the academy, revealed that a new sugarcane variety called "Sugarcane 22" has been successfully developed. It now produces an average of 121 tons per hectare, more than double the yield of traditional varieties. From the start of the project, researchers introduced the concept of "energy cane," aiming to produce over twice as much fuel ethanol as regular sugarcane. After overcoming technical and equipment challenges, the focus shifted to improving sugarcane production, which became the core issue for the team. Through extensive trials, they finally succeeded in creating this new variety. To address the long-standing issue of waste treatment in ethanol production from sugarcane, the Guangxi Agriculture Department conducted a "quantitative field return" experiment in major sugarcane areas like Shangsi and Chongzuo. The experiment has been successful, and the full application of this technique is now being refined. The method allows farmers to reduce fertilizer use by returning nutrient-rich ethanol solutions back to the soil. This "quantitative field return" technology has been designated as a priority for promotion by the Guangxi Sugar Department. Currently, 7.8 tons of sugarcane can produce one ton of sucrose, but producing one ton of fuel ethanol requires approximately 13 tons of sugarcane, making the process relatively costly. In addition, the price of edible ethanol fluctuates around 4,500 yuan per ton, while fuel ethanol is priced at only 3,300 yuan per ton. This creates a situation where the higher-priced edible ethanol market faces shortages. Although the technical conditions for developing sugarcane-based fuel ethanol in Guangxi are now mature, the market still lacks sufficient support. Therefore, adjustments in national macroeconomic policies are needed to facilitate further development.

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