Water Systems: Water Conditioning for Process and Boiler ... Dec 05, 2010· Water Systems: Water Conditioning for Process and Boiler Use. ... –Dissolved air flotation (DAF) (bubbles of 40 – 70 mm) ... •Micro filtration – removes bacteria; used for biological wastewater treatment, effluent treatment, separation of oil-water emulsions. Wednesday AM – ESWP Tiny bubbles formed from dissolved air are what make the dissolved air flotation process work. This paper will present the two A:S calculations in detail. Examples from industrial wastewater optimization projects with improvements to increase air-to-solids ratios and enhance DAF capacity are cited. Tar sewage treatment equipment——CXAF series vortex air ... Traditionally, two grease traps (gravity sedimentation pond and separator tank), and dissolved air flotation (DAF) systems are used to remove solid contaminants, but they are there is a serious problem in the performance and operation.    Read More