The hottest ethanol waste liquid in Guangxi turns

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From the Department of agriculture of Guangxi Autonomous Region, it was learned that ethanol waste liquid, once regarded as an environmental "killer", has now become an "assistant" to increase crop production. At present, the technology of "turning waste into treasure" of ethanol waste liquid in Guangxi sugarcane planting area has been widely promoted and applied. By the first half of this year, thermoplastic olefin elastomer (TPO) and professional viscosity grade products have been promoted in Guangxi for more than 1million mu, and the effect of increasing production and income is obvious

Guangxi is the largest sugar production base in China, with sugar production accounting for 65% of the country. In the past, some sugar enterprises have also tried to return ethanol fermentation liquor to sugarcane fields, but due to improper dosage and concentration, not only sugarcane plants died, but also waste liquid polluted soil and rivers. Therefore, sugar enterprises have to build huge oxidation ponds to store the waste liquid to prevent overflow. Even so, the problem of ethanol waste liquid pollution has not been fundamentally solved

relevant experts from the sugar Department of the Guangxi Department of agriculture pointed out that the waste liquid of ethanol is called the "killer" of the environment. In fact, it is a little wrong. It is not toxic in itself, but because it contains a large amount of organic matter, which will be harmful to the environment if handled improperly. These organic matter itself is indeed the nutrients needed for the growth of crops and is a rare organic fertilizer. For this reason, Guangxi has started the research on turning ethanol waste liquid into treasure since a few years ago. The Guangxi Agricultural Department has formulated a unified technical plan and conducted field trials in Shangsi, Fusui, Wuxuan, Long'an, Yizhou, Liujiang and other places

after years of practice, it has been proved that the sugar factory dilute the ethanol waste liquid, transport it to the sugarcane field, put it quantitatively, and then cover it with plastic film, which can not only "zero pollution", but also maintain water and fertilizer. "The relevant leaders of the project department 5 of the foreign cooperation center of the Ministry of Environmental Protection said that thermal insulation, even the yellowing disease of sugarcane, such as parallel clamps for plate and sheet materials, wedge clamps for bar materials, special clamps for rubber, special clamps for textile Old problems such as special clamps for wire rods are also cured. Changling farm of Guangxi Nongken is the earliest beneficiary of this technology. In recent years, the farm has quantitatively applied ethanol waste liquid every year, with an application area of more than 1000 hectares and an increase of 23.4% - 36.2%. The technical and economic indicators such as sugarcane yield per unit area, sugarcane sucrose content, sugarcane consumption per ton of sugar, and sugar yield have reached the highest level in Guangxi and China, as well as the international advanced level

experts pointed out that "drinking" ethanol waste liquid once can meet all the nutritional needs of sugarcane. In one year, sugarcane farmers saved nearly 300 yuan of fertilizer fees per mu, and increased sugarcane production by 1 ~ 1.5 tons per mu. Especially in drought, the waste liquid of ethanol is used for both fertilizer and water supply, killing two birds with one stone

according to LAN Rixin, deputy general manager of Changling Sugar Co., Ltd. of Guangxi Agricultural Reclamation sugar industry group, during the sugarcane crushing season, the company produces 180 ~ 200 vehicles of ethanol waste liquid every day, and one vehicle can only irrigate 2 mu of sugarcane land, which is far in short supply

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