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

The use of sugarcane as a raw material for producing fuel ethanol is known for its high productivity. Experts recommend that while China continues to develop corn and wheat for fuel ethanol, it should also actively promote the technology of producing fuel ethanol from sugarcane, aiming to alleviate the pressure on per capita land resources. This was reported by the newspaper on September 28th. According to the report, in an effort to promote the nationwide development of sugarcane-based fuel ethanol technology, Guangxi, a major sugarcane-producing region, has accelerated its research and development efforts. The Guangxi Academy of Agricultural Sciences, which leads this technological advancement, has recently made significant progress. Li Ruiyang, dean of the academy, mentioned that the newly developed sugarcane variety, "Sugarcane 22," has shown promising results. It produces an average of 121 tons per hectare, more than double that of regular sugarcane. From the start of the project, Li and his team introduced the concept of "energy cane," aiming to produce over twice as much fuel ethanol as traditional sugarcane. After overcoming challenges in production technology and equipment, the focus shifted to improving sugarcane yield, which is crucial for Guangxi's energy cane-based ethanol industry. Through extensive trials, they finally succeeded in cultivating 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 key 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 use less fertilizer while returning nutrient-rich ethanol solution back to the fields. This "quantitative field return" technology has been officially recognized 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 about 13 tons of sugarcane, making it relatively expensive. Meanwhile, edible ethanol in China is priced around 4,500 yuan/ton, while fuel ethanol is only 3,300 yuan/ton. The higher-priced edible ethanol market is facing a shortage. Although the technical conditions for developing sugarcane-based fuel ethanol in Guangxi are now mature, the market still lacks sufficient support. This calls for adjustments in national macroeconomic policies to better support the industry’s growth.

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