Nitrogen removal from on-site treated anaerobic effluents using intermittently aerated moving bed biofilm reactors at low temperature

Water Research
Sari A LuostarinenJukka A Rintala

Abstract

On-site post-treatment of anaerobically pre-treated dairy parlour wastewater (DPWWe; 10 degrees C) and mixture of kitchen waste and black water (BWKWe; 20 degrees C) was studied in moving bed biofilm reactors (MBBR). The focus was on removal of nitrogen and of residual chemical oxygen demand (COD). Moreover, the effect of intermittent aeration and continuous vs. sequencing batch operation was studied. All MBBRs removed 50-60% of nitrogen and 40-70% of total COD (CODt). Complete nitrification was achieved, but denitrification was restricted by lack of carbon. Nitrogen removal was achieved in a single reactor by applying intermittent aeration. Continuous and sequencing batch operation provided similar nitrogen and COD removal, wherefore simpler continuous feeding may be preferred for on-site applications. Combination of pre-treating upflow anaerobic sludge blanket (UASB) -septic tank and MBBR removed over 92% of CODt, 99% of biological oxygen demand (BOD7), and 65-70% of nitrogen.

References

May 3, 2003·Water Research·U Welander, B Mattiasson
Jul 21, 2004·Biotechnology Advances·Than Khin, Ajit P Annachhatre

❮ Previous
Next ❯

Citations

Sep 6, 2012·Journal of Hazardous Materials·Jieying JingWilliam W Yu
Feb 9, 2010·Journal of Environmental Management·A Tawfik, A Klapwijk
Sep 18, 2009·Bioresource Technology·Chia-Yuan ChangSaravanamuthu Vigneswaran
Jan 8, 2008·Bioresource Technology·Yan LongDong-Sheng Shen
Aug 26, 2014·Environmental Technology·Zhiqiang ChenNanqi Ren
Jul 28, 2016·Environmental Technology·Dhan Prasad GautamAchintya N Bezbaruah
Oct 16, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Mohamed AteiaManabu Fujii
Oct 16, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Mojtaba TorkamanMohammad Reza Andalibi
Nov 12, 2017·Environmental Science and Pollution Research International·Anju SinghLigy Philip
Sep 16, 2018·Applied Microbiology and Biotechnology·Su HeHongqiang Ren
Aug 30, 2008·Water Environment Research : a Research Publication of the Water Environment Federation·Jin-Young AnByung-Woo Kim
Jul 13, 2018·Environmental Science and Pollution Research International·Luciano de Oliveira GonçalvesCamila C Amorim
Jul 26, 2018·Bioprocess and Biosystems Engineering·Hudson B CarminatiJoão P Bassin
Jan 3, 2021·Bioprocess and Biosystems Engineering·Roumi Bhattacharya, Debabrata Mazumder

❮ Previous
Next ❯

Related Concepts

Related Feeds

Biofilm & Infectious Disease

Biofilm formation is a key virulence factor for a wide range of microorganisms that cause chronic infections.Here is the latest research on biofilm and infectious diseases.