Dissolved air flotation (DAF) has been around for many years and is a recognised process in the treatment of surface waters containing organics, colour forming compounds such as humic and fulvic acids ...
The water treatment plant at Vaalkop Dam south of Johannesburg is being upgraded to incorporate a Counter Current Dissolved Air Flotation with Filtration system, as Black & Veatch project manager Paul ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果