Cosma, GeorgetaGeorgetaCosmaPanait, AlexandraAlexandraPanaitCristea, CameliaCameliaCristeaStaniloae, DumitruDumitruStaniloae2017-04-192017-04-192002-06-28Patent no. RO117688­-Bhttp://hdl.handle.net/123456789/852Patent Assignee Name(s) and Code(s): ECOIND INST NAT CERC­ DEZVOLTARE ECOLOGIEThe biological cleaning of liquid effluent containing detergents comprises aerobic cleaning of water containing n = 10 degree of ethoxylated nonyl phenol, anionic detergents and eg. petroleum products and heavy metals with addition of phosphorus and nitrogen salts (100:5:1 CBO3:N:P ratio).The cleaner has a submerged bio filter with a volcanic tuff support. EMBODIMENT ­ Re-circulation and addition of a selected bacterial strain inoculant complete the process.en-USBiological treatmentDetergentsEffluentBiological cleaning of liquid effluent containing detergents consists of aerobic treatment of water containing nonyl phenol and phosphorus and nitrogen saltsProces de epurare biologica avansata a apelor reziduale cu continut de detergenti neionici greu biodegradabili (nonil fenol etoxilat n=10) cu ajutorul tulpinilor bacteriene selectionatePatent