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我国自来水传统采用氯消毒法。近年来不少水厂开始使用氯氨消毒,效果优于前者。但投氨器出水口常被 CaCO_3和 MgCO_3沉积堵塞,影响正常消毒效果。佛山市自来水公司利用加氯水射器余压和加氯后出水呈酸性的特点,采用同一个水射器同时加氯加氨的方法,克服了上述堵塞现象的发生。现已运行四年,消毒效果一直稳定。
China’s tap water traditionally uses chlorine disinfection. In recent years, many water plants have begun to use chloramine disinfection, which is better than the former. However, the outlet of the ammonia dispenser is often blocked by CaCO_3 and MgCO_3 deposits, affecting the normal disinfection effect. The use of the residual pressure of the chlorinated water injector and the acidity of the effluent after the chlorination of the chlorinated water injector and the use of the same water injector for simultaneous addition of chlorine and ammonia have overcome the above-mentioned blockage phenomenon. Has been running for four years, the disinfection effect has been stable.