The utilisation of zeolites for the reduction of ammonium concentration in biogas processes

Anna Hajduk; Marcin  Dębowski; Marcin Zieliński; Paulina Rusanowska

Titles

Abstract

Celem zrealizowanych prac badawczych było określenie wpływu zastosowania zeolitów w procesie usuwania azotu amonowego z systemów biologicznej transformacji substratów organicznych do biogazu w procesie fermentacji metanowej. Udowodniono, że najwyższą efektywność usuwania amoniaku z osadu beztlenowego uzyskano przy zastosowaniu dawki zeolitu wynoszącej 10 g/dm3. Zawierała się ona w zakresie od 37,87 ± 0,54% do 46,01 ± 0,8%. Eksperyment udowodnił liniową zależność między dawką zeolitu w zakresie od 1 g/dm3 do 10 g/dm3 a efektywnością sorpcji N-NH4 oraz stężeniem końcowym tego parametru. Największa jednostkowa ilość N-NH4 sorbowana była w wariancie, w którym zastosowana dawka zeolitu wynosiła 1 g/dm3. W odniesieniu do osadu pofermentacyjnego mieściła się w zakresie od 161,74 ± 2,01 mgN-NH4/g do 132 ± 4,7 mgN-NH4/g, natomiast w przypadku odcieku mieściła się w przedziale 112 ± 8,54 mgN-NH4/g do 122 ± 12,90 mgN-NH4/g.

The aim of this study was to determine the impact of the utilisation of zeolites in the removal of ammonium from systems of biological the transformation of organic substrates to biogas during methane fermentation. The results showed that the highest efficiency of removal of ammonium from digestate was achieved with a 10 g/dm3 dose of zeolite. This efficiency was from 37.87 ± 0.54% to 46.01 ± 0.8%. The experiment demonstrated a linear relationship between the dose of zeolite in the range from 1 g/dm3 to 10 g/dm3 and the efficiency of the sorption and the final concentration of N-NH4. The highest sorption of N-NH4 was observed in a variant with the zeolite dose of 1 g/dm3 and it was from 161.74 ± 2.01 mg N-NH4/g to 132 ± 4.7 mg N-NH4/g in the digestate and from 112 ± 8.54 mg N-NH4/g to 122 ± 12.90 mg N-NH4/g in the effluent from digestate.

Keywords

fermentacja metanowa, azot amonowy, zeolity, osad fermentacyjny, odciek z osadu fermentacyjnego

zeolites, digestate, effluent from digestate, methane fermentation, nitrogen ammonium

References

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Information

Information: Technical Transactions, 2017, Volume 11 Year 2017 (114), pp. 107 - 116

DOI: https://doi.org/10.4467/2353737XCT.17.188.7422

Article type: Original article

Titles:

Polish:

The utilisation of zeolites for the reduction of ammonium concentration in biogas processes

English:

The utilisation of zeolites for the reduction of ammonium concentration in biogas processes

Authors

Anna Hajduk

Department of Environment Engineering, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn

Marcin Dębowski

Department of Environment Engineering, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn

Marcin Zieliński

Department of Environment Engineering, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn

Paulina Rusanowska

Department of Environment Engineering, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn

Published at: 22.11.2017

Article status: Open

Licence: None

Percentage share of authors:

Anna Hajduk (Author) - 25%

Marcin Dębowski (Author) - 25%

Marcin Zieliński (Author) - 25%

Paulina Rusanowska (Author) - 25%

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Publication languages:

English

View count: 1521

Number of downloads: 1064

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