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Liquid microbial treatment technology is expected to be localized
China’s water environment is facing a crisis of overall deterioration. Whether it is the densely populated “Three Rivers and Three Lakes†(Huaihe, Liaohe, Haihe, Chaohu, Taihu, Dongting Lake) basins or the drinking water sources in cities, the water quality is Disturbing. China is still the first big country in aquaculture. Due to excessive cultivation, excessive use of antibiotics and excessive chemical substances, water quality in many places has deteriorated, causing serious damage to the cultured products. How to solve this problem has become a big issue for Ben Xiaokang and national economy and people's livelihood. It is well known that the removal of pollution by physical methods is one of the methods. However, many physical methods such as ammonia, nitrite, and excrement of livestock are not available. Using chemical methods is OK, but it can easily cause secondary pollution. In recent years, the use of microbiological techniques to control pollution has become popular and has received increasing attention. There is a Wulong Lake in Nanjing, because of serious pollution, smell can not smell, known as "dirty Longtan." Not long ago, scientific researchers placed a microbiological agent on the inside. In less than ten days, the lake water began to turn clear. Visibility increased from more than 40 centimeters to 100 centimeters. There was no odor, and there were also a large amount of algae with signs of oxidation. Now. Shrimp farms in Ecuador, the United States and Japan also use microbiological techniques to clean water bodies and remove organic matter. It can increase the density of aquatic products by 20%, save the number of water changes, and improve the quality of aquatic products. China's water environment expert Professor Xu Yatong of East China Normal University told us that there are many microorganisms in nature that have unique degradation functions. It is like a human liver, but it is tens or even hundreds of times more powerful than human liver decomposition compounds. For example, a large amount of ammonia nitrogen and refined nitric acid are produced in aquaculture ponds, and nitrifying bacteria in microorganisms can convert refined nitrates into nitrates. Then, denitrifying bacteria convert nitrates into non-toxic nitrogen. Today's lakes and rivers are drained with tens of thousands of synthetic chemicals. It may take hundreds of thousands of years for them to degrade naturally. The use of microbial preparation technology can be effectively degraded in a short period of time. Pollution. It is understood that biotechnology has been widely used in the treatment of water bodies. High concentrations of phenols, hydrides, and phosphorus in industrial waste water can be effectively degraded. The pollution of tap water sources also uses microbial technology. Organic pollution can be reduced by more than 70%. Solid wastes such as garbage, sludge, and excrement can also be microbially processed. The treated solids are often high-quality fertilizers; the water in aquaculture is also handy, and photosynthetic bacteria and nitrobacteria that are put in can rapidly digest organic pollutants. And nitrite; microbial preparations can also repair contaminated surface water, soil sites and so on. Prof. Xu Yatong said that the most advanced microbiological water treatment agent in the world is a liquid active culture medium, in which there are more than 50 million viable bacteria per ml, which has a strong biological activity. Scientists in China have also developed a variety of microbial preparations, but they have not been able to solve the technical bottleneck of strain preservation and rapid expansion, and have not made it industrialized or commercialized. In the United States, there is a liquid microorganism treatment agent called “Limonâ€, which is a patented technology that contains a variety of complex microbial bacteria that can be stored for more than two years and can be widely used to eliminate sludge from the bottom of ponds and eliminate the Grease, accelerate the degradation of industrial wastewater and purify the water in the farm. It is understood that Sino-foreign joint venture of the United States Environmental Protection (Nanjing) Co., Ltd. is the localization of this technology.