01357nam--2200397---450 99000181944020331620201209101856.0000181944USA01000181944(ALEPH)000181944USA0100018194420040705d1965----km-y0itay0103----bafreFRa|||||||001yy<<Le>> francais elementairemethode progressive de francais usualG. Mauger, G. Gougenheimavec la collaboration de Mme A. Ionnauillustration de Pierre EtaixParisHachette19652 v.ill.25 cm<1.> : Debutans 1. - 1965. - VIII, 120 p. ; <2.> : Debutans 2. - 1967. - 122 p.Debutans 1.Debutans 2.MAUGER,Gaston132341GOUGENHEIM,Georges172838IANNOU,A.ETAIX,PierreITsalbcISBD990001819440203316II.4. 1465/1(II f B 190 I)76675 L.M.II.4.454576II.4. 1465/1a(II f B 190 I bis)76677 L.M.II.4.454585II.4. 1465/2(II f B 190 II)74077 L.M.II f BBKUMASIAV51020040705USA011049COPAT39020050915USA011312Francais elementaire950707UNISA02638nam 2200469 450 991048000480332120200820151601.01-57278-299-41-5231-0303-5(CKB)3710000000752156(MiAaPQ)EBC6186991(EXLCZ)99371000000075215620200820d2013 uy 0engurcnu||||||||txtrdacontentcrdamediacrrdacarrierOperation of nutrient removal facilities /Water Environment FederationAlexandria, Virginia :Water Environment Federation,2013.1 online resource (xlvi, 591 pages) illustrationsWEF manual of practice ;Number 37"Prepared by the Operation of Nutrient Removal Facilities Task Force of the Water Environment Federation."--Title page verso.1-57278-276-5 Wastewater consitutents that affect nutrient removal -- Nitrification -- Nitrification in biofilm reactors -- Denitrification -- Combined nitrifiying and denitrifying systems -- Enhanced biological phosphorus removal -- Chemical precipitation of phosphorus -- Enhanced biological phosphorus removal systems -- Combined nitrogen and phosphorus removal processes -- Optimization of nutrient removal systems -- Recycle streams management -- Process control using oxidation-reduction potential and dissolved oxygen -- Process control, instrumentation, and automation -- Laboratory analyses -- Case studies-Nitrification and denitrification -- Case studies-Enhanced biological phosphorus removal -- Appendix A: Optimization and troubleshooting guides.This manual is for plant managers, operators, design engineers, and regulators looking to gain a better understanding of fundamental biological and chemical processes that are in use at nutrient removal facilities and the ways that operators may use, monitor, and control these processes to meet their facility's treatment goal.Manual of practice ;Number 37.SewagePurificationNutrient removalSewage disposal plantsManagementSewage lagoonsManagementElectronic books.SewagePurificationNutrient removal.Sewage disposal plantsManagement.Sewage lagoonsManagement.628.166MiAaPQMiAaPQMiAaPQBOOK9910480004803321Operation of nutrient removal facilities1909428UNINA