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Trichloroisocyanuric Acid (TCCA) are allow for food and drinking water disinfection

US Federal Food and Drug Administration (FDA) and the Environmental Protection Agency (BPA) has been officially approved by Trichloroisocyanuric Acid (TCCA) allow for food and drinking water disinfection. It is also recommended by the United Nations Centre for Disease Control Prevention of hepatitis B virus drug of choice. At present, foreign sanitation and disinfection in swimming pools, drinking water and hospitals and other public facilities in the greater use of TCCA. In recent years, its use has a new development, it has been gradually extended to seed disinfection, fish disease control, bleached cotton and chemical fiber, wool and anti-shrink, daily chemical products, bleaching and deodorant. Compared with the traditional chlorine preparations (such as chlorine, bleaching powder, calcium hypochlorite), TCCA has a high chlorine content, high efficiency bleaching sterilization, storage stable, easy to shape and use of the process does not require frequent feeding features.
There are mainly four kinds of Trichloroisocyanuric Acid (TCCA) synthesis methods: cyanuric acid sodium chlorine, liquid chlorinating agent, solvent method and complex method. Developed countries and regions mainly solvent AFP process, which has a continuous, large-scale, automation and pollution and other advantages. China's general composite method, which generates (iso) cyanuric acid trisodium salt solution with cyanuric acid and a base, and then the chlorination reaction (iso) cyanuric acid disodium salt or TCCA (This method is also known as sodium method). Production can be batch and continuous chlorination process and the single-stage and two-stage chlorination process, currently uses two continuous chlorination.
There are several power industry and chemical industry, domestic enterprises to adopt Trichloroisocyanuric Acid (TCCA) industrial circulating water disinfection, good effect, not only to improve the utilization of circulating water, purifying water quality, saves water, but also to ensure circulating water system is normal, stable and secure operation. The early 1990s, China's chlorinated acid products mainly for export, less domestic consumption, as people's awareness of the deepening, coupled with manufacturers constantly develop new markets, consumption is increasing every year.