Manea, Elena ElisabetaElena ElisabetaManeaBumbac, CostelCostelBumbacDinu, Laurentiu RazvanLaurentiu RazvanDinuTiron, OlgaOlgaTironIonescu, IoanaIoanaIonescu2019-10-222019-10-222019-07Patent Number(s): RO133498-A0http://hdl.handle.net/123456789/1532Patent Number(s): RO133498-A0, Derwent Primary Accession Number: 2019-68378Q, International Patent Classification: C02F-003/12; B01J-019/24, Patent Assignee Name(s) and Code(s): ECOIND INST NAT CERC-DEZVOLTARE ECOLOGIENOVELTY - The bioreactor has a vessel that is provided with a pre-settling and granule recovery zone for selection and recovery of aerobic sludge granules in continuous-flow supply conditions. A pre-settling blade is mounted under an angle of 45-degree in relation with vessel wall and placed between a mixture discharge zone and a granule recovery zone. The settled granules return into the vessel through some slots. The zone is provided with some blades for granules return and for redirecting air-bubbles flow. A secondary settler with a spill pipe is provided for discharging the sludge and collecting the effluent. USE - Bioreactor with continuous-flow supply of granular aerobic sludge for purification of waste water.enGranular aerobic sludgeWastewater treatmenttechnical documentation