The performance of an anaerobic ammonium oxidation upflow anaerobic sludge blanket reactor during natural periodic temperature variations

被引：21

作者：

Li, Ming-Cong ^{[1
,2
]}

Song, Ying ^{[3
]}

Shen, Wei ^{[4
]}

Wang, Cong ^{[5
]}

Qi, Wei-Kang ^{[1
,2
]}

Peng, Yongzhen ^{[1
]}

Li, Yu-You ^{[3
]}

机构：

[1] Beijing Univ Technol, Key Lab Beijing Water Qual Sci & Water Environm R, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China

[2] Beijing Univ Chem Technol, Sch Chem Engn, Beijing 100029, Peoples R China

[3] Tohoku Univ, Grad Sch Engn, Dept Civil & Environm Engn, Aoba Ku, 6-6-06 Aza Aoba, Sendai, Miyagi 9808579, Japan

[4] China Waterborne Transport Res Inst, Beijing 100088, Peoples R China

[5] Beijing Drainage Technol Co Ltd, Beijing 100022, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2019年 / 293卷

关键词：

Anammox; UASB; Periodic temperature change; Microbial evolution; NITROGEN REMOVAL PERFORMANCE; ANAMMOX PROCESS; PARTIAL NITRITATION; PROCESS STABILITY; LOADING RATE; INHIBITION; COMMUNITY; TERM; ENRICHMENT; BACTERIUM;

D O I：

10.1016/j.biortech.2019.122039

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

An anaerobic ammonium oxidation-upflow anaerobic sludge blanket (anammox-UASB) reactor was operated without temperature control during the four seasons and was therefore subjected to natural periodic temperature variations between 9 and 28 degrees C. The anammox reactor had a high nitrogen removal ability at intermediate and low temperatures. The total nitrogen (TN) concentration of the influent increased from 200 to 1200 mg/L, the nitrogen removal efficiency was maintained at 90%, and the nitrogen removal rate (NRR) increased to 9.15 +/- 0.35 kg N/m(3)/d. The enrichment of anammox bacteria in the UASB granular sludge reached 53.8%, and the dominant bacteria changed from Candidates Brocadia to Candidates Kuenenia after several seasons of cultivation. Dynamics analysis revealed that the maximum reaction rate of the anammox-UASB sludge was 62.5 kg N/m(3)/d, reflecting the high potential nitrogen removal ability of the reactor.

引用

页数：8

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