Evaluation of efficiency of technologies for wastewater sludge hygienisation

Petr Junga, Pavel Mach and Jan Mareček
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Pavel Mach: Department of Agricultural, Food and Environmental Engineering, Faculty of Agronomy, Mendel University in Brno, Brno, Czech Republic
Jan Mareček: Department of Agricultural, Food and Environmental Engineering, Faculty of Agronomy, Mendel University in Brno, Brno, Czech Republic

Research in Agricultural Engineering, 2017, vol. 63, issue 2, 54-61

Abstract: The paper compares the methods of hygienisation of wastewater treatment plants sludges with respect to meet legislative requirements of conditions for using the treated sludge on agricultural land. The paper draws a comparison of the experimental results between the method of hygienisation and stabilisation of the sludge through the autothermic aerobic thermophilic stabilisation (AATS) by pure oxygen and the method of sludge hygienisation by pasteurization. Results of the experiment confirm that sewage sludge treated by both assessed hygienisation technologies meets legislation requirements for application to agricultural soil.

Keywords: wastewater treatment plant; sludge; indicator microorganism; microbiological standards; stabilisation (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlrae:v:63:y:2017:i:2:id:10-2016-rae

DOI: 10.17221/10/2016-RAE

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