Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author exact 6FE16C58-B25E-11E6-B104-2D2FD0AF0289 cql: author exact F376D3B4-F0ED-11E1-A9DE-61C894A0A6B4 Add to list Journal Article A1 Design and verification of a model secondary clarifier for activated sludge. Koen Grijspeerdt, Herwig Bogaert and Willy Verstraete (UGent) (1996) JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY. 67(4). p.404-412 Add to list Journal Article A1 A sensor for the secondary clarifier based on image analysis. Koen Grijspeerdt and Willy Verstraete (UGent) (1996) WATER SCIENCE AND TECHNOLOGY. 33(1). p.61-70