Nitrogen removal performance and microbial community analysis of an anaerobic up-flow granular bed anammox reactor

Cho, Sunja; Takahashi, Yoshitaka; Fujii, Naoki; Yamada, Yohei; Satoh, Hisashi; Okabe, Satoshi

doi:10.1016/j.chemosphere.2009.12.034

Cited by 164 publications

(63 citation statements)

References 55 publications

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“…These sections were stained with uranyl acetate and lead citrate and observed with an electron microscope (JEM-1200EX) at 80 kV. were determined using ion chromatographs (DX-100, Dionex) with an IonPac CS3 cation column and IonPac AS9 anion column after filtration using 0.2 mm pore-size membranes (Cho et al, 2010). Hydroxylamine and hydrazine concentrations were determined by the colorimetric method (Frear & Burrell, 1955;Watt & Chrisp, 1952).…”

Section: Methodsmentioning

confidence: 99%

Physiological characteristics of the anaerobic ammonium-oxidizing bacterium ‘Candidatus Brocadia sinica’

et al. 2011

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The present study investigated the phylogenetic affiliation and physiological characteristics of bacteria responsible for anaerobic ammonium oxidization (anammox); these bacteria were enriched in an anammox reactor with a nitrogen removal rate of 26.0 kg N m "3 day "1 . The anammox bacteria were identified as representing 'Candidatus Brocadia sinica' on the basis of phylogenetic analysis of rRNA operon sequences. Physiological characteristics examined were growth rate, kinetics of ammonium oxidation and nitrite reduction, temperature, pH and inhibition of anammox. The maximum specific growth rate (m max ) was 0.0041 h "1 , corresponding to a doubling time of 7 days. The half-saturation constants (K s ) for ammonium and nitrite of 'Ca. B. sinica' were 28±4 and 86±4 mM, respectively, higher than those of 'Candidatus Brocadia anammoxidans' and 'Candidatus Kuenenia stuttgartiensis'. The temperature and pH ranges of anammox activity were 25-45 6C and pH 6.5-8.8, respectively. Anammox activity was inhibited in the presence of nitrite (50 % inhibition at 16 mM), ethanol (91 % at 1 mM) and methanol (86 % at 1 mM). Anammox activities were 80 and 70 % of baseline in the presence of 20 mM phosphorus and 3 % salinity, respectively. The yield of biomass and dissolved organic carbon production in the culture supernatant were 0.062 and 0.005 mol C (mol NH þ 4 ) "1 , respectively.This study compared physiological differences between three anammox bacterial enrichment cultures to provide a better understanding of anammox niche specificity in natural and man-made ecosystems.

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Section: Methodsmentioning

confidence: 99%

Physiological characteristics of the anaerobic ammonium-oxidizing bacterium ‘Candidatus Brocadia sinica’

et al. 2011

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“…Chloroflexi bacteria were facultative anaerobes and were important for granulation (Chen et al, 2013). Besides, Chloroflexi bacteria were present in a highly enriched anammox biomass (Cho et al, 2010). Anammox bacteria grew slowly and were difficult to enrich in the reactor, which makes the anammox process still a challenge in full-scale wastewater treatment (Ali et al, 2014).…”

Section: Microbial Community Of the Sad Processmentioning

confidence: 99%

Performance and microbial community of simultaneous anammox and denitrification (SAD) process in a sequencing batch reactor

Qiang

et al. 2016

Bioresource Technology

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h i g h l i g h t sSimultaneous nitrogen and carbon removal was achieved in the SAD process. Contributions of anammox and denitrification to nitrogen removal were determined. Anammox and denitrifying bacteria dominated at low and high CODs, respectively. Brocadia sinica could grow with organic matter and tolerate high NO 3 À concentrations.a r t i c l e i n f o exhibited good diversity and abundance, but the diversity of anammox bacteria was less abundant. Brocadia sinica was able to grow in the presence of organic matter and tolerate high nitrite concentration. Anammox bacteria were predominant at low COD contents, while denitrifying bacteria dominated the microbial community at high COD contents. Anammox and denitrifying bacteria could coexist in one reactor to achieve the simultaneous carbon and nitrogen removal through the synergy of anammox and denitrification.

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“…수중의 질 소를 처리하기 위해 흡착, 암모니아 탈기, 여과 등의 물리화 학적 방법과 sequencing batch reactor, anammox 등의 생물학적 방법 등이 있다 (Cho, et al, 2010, Quan, et al, 2009, Thiruvenkatachari, et al, 2006, Zhang, et al, 2006. 생물학적 방법 중 종속영양 탈질은 처리효율이 높아 현재까지 많이 이용되어 왔으나 축산폐수 내의 질소를 제거 하기 위해 질산화 후 탄소원이 C/N 비 5~20:1로 존재해야 한다 (Joo, et al, 2006, Jung, et al, 2004, Sim, et al, 2004.…”

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Nitrite Removal by Autotrophic Denitrification Using Sulfur Particles

Woo-Chang¹,

Oh²

2010

Korean Journal of Environmental Agriculture

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Swine wastewater contains high amounts of organic matter and nutrients (nitrogen and phosphorus). The biological nitrogen removal can be achieved by nitrification and denitrification processes. Nitrification-denitrification can be performed via nitrite which is called as the short-cut process. This Short-cut process saves up to 25% of oxygen and 40% of external carbon during nitrification and denitrification. In this study, the batch tests were conducted to assess the different parameters for the nitrite sulfur utilizing denitrification, such as alkalinity, temperature, initial nitrite concentration, and dissolved oxygen. The experimental results showed that the nitrite removal efficiency of the reactor was found to be over 95% under the optimum condition (30℃ and sufficient alkalinity). Autotrophic nitrate denitrification was inhibited at low alkalinity condition showing only 10% removal efficiency, while nitrite denitrification was achieved over 95%. The nitrite removal rates were found similar at both 20℃ and 30℃. In addition, nitrite removal efficiencies were inhibited by increasing oxygen concentration, but sulfate concentration increased due to sulfur oxidation under an aerobic condition. Sulfate production and alkalinity consumption were decreased with nitrite compared those with nitrate.

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Nitrogen removal performance and microbial community analysis of an anaerobic up-flow granular bed anammox reactor

Cited by 164 publications

References 55 publications

Physiological characteristics of the anaerobic ammonium-oxidizing bacterium ‘Candidatus Brocadia sinica’

Physiological characteristics of the anaerobic ammonium-oxidizing bacterium ‘Candidatus Brocadia sinica’

Performance and microbial community of simultaneous anammox and denitrification (SAD) process in a sequencing batch reactor

Nitrite Removal by Autotrophic Denitrification Using Sulfur Particles

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