Removal of fluoride from filter water
The long-standing problems that have plagued China's rural areas with excessive levels of fluoride in drinking water have finally been guaranteed in terms of technical treatment. The Geological Survey Bureau of Jiangsu Province has solved the problem of shallow groundwater treatment technology with fluorine, using low-cost fluoride-removing filter materials and activating regenerants to make high-fluorine water become qualified drinking water, providing a means to improve rural production and living conditions. Technical Support.
According to reports, the Geological Survey Institute of Jiangsu Province used non-metallic minerals as raw materials, and after special processing, developed highly efficient, economical, and convenient fluoride removal filter products and activated regenerant products, designed a multi-functional fluorine removal device and a reasonable process Process. The fluorine filter product developed by the project team has both physical and ion exchange properties, as well as chemical reactivity. After contact with the filter, the fluoride, ammonia and nitrogen ions in the water can be quickly removed. After the demonstration test of the rural waterworks in Fengxian County, Jiangsu Province, using this technology and equipment, the daily treated water volume can reach about 200 tons, and the cost per ton of water treatment is 0.11 yuan. The operation is simple, economical and practical. The fluoride content in the treated water was reduced from 3.01 mg/l to 0.48 mg/l, which is better than the national standard for drinking water of 1 mg/l, and the effect of fluoride removal is stable.
At present, 29 countries in the world are suffering from excessive levels of fluoride in drinking water. Over 260 million people in China are drinking high-fluorine water. About 70 million people in the northwest have been poisoned by drinking high-fluorine water. However, for high-fluorine water, there are currently no complete treatment facilities and systems in the country. At present, the main methods for removing fluoride from drinking water at home and abroad include adsorption, ion exchange, reverse osmosis, flocculation, and electrodialysis. Although these methods can reduce the fluorine content of drinking water, they have the disadvantages of complicated operation, difficult maintenance, and high processing costs. In addition, ion exchange, reverse osmosis, electrodialysis, and other methods will also remove other beneficial ions in water while removing fluoride, which is not conducive to human health.
According to reports, after successfully solving the problem of high-fluorine, ammonia and nitrogen treatment and purification in drinking water, the research group will further study how to use filters to purify water or acid gases in the atmosphere and further expand the application range of mineral filters.
According to reports, the Geological Survey Institute of Jiangsu Province used non-metallic minerals as raw materials, and after special processing, developed highly efficient, economical, and convenient fluoride removal filter products and activated regenerant products, designed a multi-functional fluorine removal device and a reasonable process Process. The fluorine filter product developed by the project team has both physical and ion exchange properties, as well as chemical reactivity. After contact with the filter, the fluoride, ammonia and nitrogen ions in the water can be quickly removed. After the demonstration test of the rural waterworks in Fengxian County, Jiangsu Province, using this technology and equipment, the daily treated water volume can reach about 200 tons, and the cost per ton of water treatment is 0.11 yuan. The operation is simple, economical and practical. The fluoride content in the treated water was reduced from 3.01 mg/l to 0.48 mg/l, which is better than the national standard for drinking water of 1 mg/l, and the effect of fluoride removal is stable.
At present, 29 countries in the world are suffering from excessive levels of fluoride in drinking water. Over 260 million people in China are drinking high-fluorine water. About 70 million people in the northwest have been poisoned by drinking high-fluorine water. However, for high-fluorine water, there are currently no complete treatment facilities and systems in the country. At present, the main methods for removing fluoride from drinking water at home and abroad include adsorption, ion exchange, reverse osmosis, flocculation, and electrodialysis. Although these methods can reduce the fluorine content of drinking water, they have the disadvantages of complicated operation, difficult maintenance, and high processing costs. In addition, ion exchange, reverse osmosis, electrodialysis, and other methods will also remove other beneficial ions in water while removing fluoride, which is not conducive to human health.
According to reports, after successfully solving the problem of high-fluorine, ammonia and nitrogen treatment and purification in drinking water, the research group will further study how to use filters to purify water or acid gases in the atmosphere and further expand the application range of mineral filters.
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