公开(公告)号：EP1768930A1

公开(公告)日：2007-04-04

申请号：EP05757725.6

申请日：2005-07-14

申请人： Woodbridge, Barrie, Christopher

发明人： Woodbridge, Barrie, Christopher

IPC分类号： C02F1/24 ,  B03D1/001 ,  B03D1/018 ,  B03D1/12 ,  B03D1/24 ,  C02F1/52

CPC分类号： B01D21/2433 ,  B01D21/01 ,  B03D1/02 ,  B03D1/1431 ,  B03D1/1475 ,  B03D1/24 ,  C02F1/5236 ,  C02F1/56

摘要： A process and apparatus for separating suspended solid material from a fluid, comprising the steps of adding in a chamber buoyant media as glass spheres with 30-250 micron diameter (106) to the fluid to form a first mixture of fluid influent and buoyant media, adding a flocculant (108) to the said first mixture to form a second mixture of influent, buoyant media and flocculant, transferring said second mixture to a flotation chamber (200), introducing a pressurised fluid (203) to the second mixture in said flotation chamber, removing separated floating sludge from said flotation chamber, and removing separated clarified effluent from said flotation chamber. Optionally, a coagulant may be added after the flocculant.