Short- and long-term effects of temperature on the Anammox process

被引：290

作者：

Dosta, J. ^{[2
]}

Fernandez, I. ^{[1
]}

Vazquez-Padin, J. R. ^{[1
]}

Mosquera-Corral, A. ^{[1
]}

Campos, J. L. ^{[1
]}

Mata-Alvarez, J. ^{[2
]}

Mendez, R. ^{[1
]}

机构：

[1] Univ Santiago de Compostela, Sch Engn, Dept Chem Engn, E-15782 Santiago De Compostela, Spain

[2] Univ Barcelona, Dept Chem Engn, E-08028 Barcelona, Spain

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2008年 / 154卷 / 1-3期

关键词：

Anammox; sequencing batch reactor (SBR); specific Anammox activity (SAA); temperature;

D O I：

10.1016/j.jhazmat.2007.10.082

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The application of the Anammox process has been usually focused on the treatment of wastewater with temperatures around 30 degrees C in order to operate under optimum conditions. In this work, the feasibility of the application of the Anammox process at lower temperatures has been tested. First, the short-term effects of temperature on the Anammox biomass were studied using batch tests. An activation energy of 63 kJ mol(-1) was calculated and the maximum activity was found at 35-40 degrees C. Activity tests done at 45 degrees C showed an irreversible loss of the activity due to the biomass lysis. A SBR was operated at different temperatures (from 30 to 15 degrees C) to determine the long-term effects. The system was successfully operated at 18 degrees C but when temperature was decreased to 15 degrees C, nitrite started to accumulate and the system lost its stability. Adaptation of biomass to low temperatures was observed when the specific activities obtained during first batch tests are compared to those obtained during the operation of the SBR. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：688 / 693

页数：6

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