The effects of potassium permanganate , chorine and ozone were compared and the results showed that although all of them could enhance coagulation and then reduce the turbidity of the water after subsequent treatment units , potassium permanganate and ozone were more effective to ensure the quality of the water after air - flotation and sand - filtration 对高锰酸钾、氯和臭氧三种氧化剂进行分析比较，结果表明三种氧化剂均能提高混凝效果，但高锰酸钾预氧化和预臭氧化在提高气浮和过滤出水水质保障率方面均优于预氯化。
" this new treatment works has been specifically designed to take advantage of the most advanced technologies , including clarification by dissolved air floatation units and removal of ammonia and manganese by primary aerated biological filters to produce high quality drinking water , " mr ko said . to conserve water , all wash - water used for regular cleaning of filters is recycled 他说，大埔滤水厂在设计上采用最先进的技术，包括以溶气浮选池进行澄清工作，以及使用初级曝气生物过滤池消除水中的氨气和锰，以提供优质的食水。
The results indicate that the towage of pneumatically floated caisson - cylindrical structures and the towage of integrated caisson - cylindrical structure with superstructure installed prove to be feasible technically , technologically and safely and that the methods established for the analysis and calculation of the stability of pneumatically floated structures are rational 结果表明：基础箱筒气浮拖运与拼接上部结构后整体箱筒气浮拖运在技术、工艺、安全上都是可行的，所建立的气浮稳性分析和计算方法是合理的。
