NOVEL ANAMMOX MEMBRANE ELECTRO
Transkrypt
NOVEL ANAMMOX MEMBRANE ELECTRO
A R C H I T E C T U R E C I V I L E N G I N E E R I N G E N V I R O N M E N T T h e S i l e s i a n U n i v e r s i t y o f Te c h n o l o g y N o. 3 / 2 0 1 6 NOVEL ANAMMOX MEMBRANE ELECTRO-BIOREACTOR Maria ELEKTOROWICZ a*, Seyedehfatemeh HOSSEINI b, Sharif IBEID c a Prof.; Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada *E-mail address: [email protected] b MSc; Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada c PhD; Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada Received: 25.04.2016; Revised: 11.05.2016; Accepted: 18.05.2016 Abstract This paper presents an alternative method for nitrogen removal using modified membrane reactor. A novel Anammox submerged membrane electro-bioreactor (Anammox-SMEBR) was developed to enhance nitrogen removal from municipal wastewater. At lab scale a comparison between continuous flow MBE and Anammox-SMEBR reactors was conducted. The novel reactor removed nitrate and ammonia by over 95% and 97%, respectively. The removal was due to subsequent application of aerobic and anoxic conditions in the same reactor. On other hand, MBR was able to remove ammonia by 60 to 76%, while nitrates were produced. Simultaneously, COD and phosphorous removals in MBR were also lower than in Anammox-SMEBR. Streszczenie W artykule przedstawiono alternatywną metodę usuwania azotu z wykorzystaniem zmodyfikowanego reaktora membranowego. Technologia elektro-bioreaktora z membranami zanurzonymi i bacteriami anamoks (Anammox-SMEBR) została opracowany w celu zwiększenia efektywności usuwania azotu ze ścieków komunalnych. Wykonano porównanie wyników badań laboratoryjnych dla reaktora o ciągłym przepływie MBE oraz reaktora Anammox-SMEBR. Nowatorska metoda pozwala na usunięcie ponad 95% azotanów i 97% amoniaku dzięki zastosowaniu alternatywnych warunków tlenowych i beztlenowych w tym samym reaktorze. Równocześnie w reaktorze MBE uzyskano usunięcie amoniaku od 60 do 76%. Jednocześnie, stopień usunięcia węgla organicznego i fosforu w reaktorze MBR był również niższy niż w Anammox-SMEBR. K e y w o r d s : Anammox; Membrane electro-bioreactor; Nutrient removal; Ammonia; Nitrates. 3/2016 ARCHITECTURE CIVIL ENGINEERING ENVIRONMENT 123