Effect of Australian zeolite on methane production and ammonium removal during anaerobic digestion of swine manure

D. Thushari N. Wijesinghe*, Kithsiri B. Dassanayake, Peter J. Scales, Sven G. Sommer, Deli Chen

*Kontaktforfatter for dette arbejde

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

Anaerobic digestion is one of the most effective methods for treating swine manure by converting it into green energy, and efficiently reducing methane (CH4) emission to the atmosphere. Low C/N ratio of swine manure and the production of high levels of total ammoniacal nitrogen (TAN) during acidogenesis due to the high N contents of swine manure considerably reduce CH4 yield. The reduction of N during anaerobic digestion by the addition of zeolite improves CH4 production and reduces potential environmental threats associated with ammonia (NH3) emissions from anaerobic digestion of swine manure. The main objective of this study was to determine the optimum Australian zeolite dose that produces maximum NH4 + recovery at optimum CH4 production. In laboratory experiments, swine manure was treated with natural and sodium zeolites at 0, 10, 40, 70, 100 mg/L and digested anaerobically for 60 days. Natural zeolite at a dose of 40 g/L resulted in the largest increase (29%) in total CH4 yield from swine manure compared to the nil zeolite treatments. The lag phase of digestion was decreased with increasing zeolite doses up to 100 g/L. Natural and sodium zeolites at a dose of 100 g/L reduced NH4 + by 50% and 52% in the media, respectively, compared to the nil zeolite treatments. However, the increases in CH4 yield of natural and sodium zeolites at a dose of 100 g/L were only 10% and 12%, respectively. Variations of cation concentrations in the digesters caused by adding zeolite at different rates might be a reason for variation of biogas and CH4 productions from various rates of zeolites digesters.

OriginalsprogEngelsk
TidsskriftJournal of Environmental Chemical Engineering
Vol/bind6
Udgave nummer1
Sider (fra-til)1233-1241
Antal sider9
ISSN2213-3437
DOI
StatusUdgivet - 2018

Fingeraftryk

Zeolites
Anaerobic digestion
Manures
Methane
Ammonium Compounds
zeolite
manure
ammonium
methane
Sodium
sodium
Biogas
removal
anaerobic digestion
effect
biogas
Ammonia
Positive ions
digestion
Nitrogen

Citer dette

Wijesinghe, D. Thushari N. ; Dassanayake, Kithsiri B. ; Scales, Peter J. ; Sommer, Sven G. ; Chen, Deli. / Effect of Australian zeolite on methane production and ammonium removal during anaerobic digestion of swine manure. I: Journal of Environmental Chemical Engineering. 2018 ; Bind 6, Nr. 1. s. 1233-1241.
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abstract = "Anaerobic digestion is one of the most effective methods for treating swine manure by converting it into green energy, and efficiently reducing methane (CH4) emission to the atmosphere. Low C/N ratio of swine manure and the production of high levels of total ammoniacal nitrogen (TAN) during acidogenesis due to the high N contents of swine manure considerably reduce CH4 yield. The reduction of N during anaerobic digestion by the addition of zeolite improves CH4 production and reduces potential environmental threats associated with ammonia (NH3) emissions from anaerobic digestion of swine manure. The main objective of this study was to determine the optimum Australian zeolite dose that produces maximum NH4 + recovery at optimum CH4 production. In laboratory experiments, swine manure was treated with natural and sodium zeolites at 0, 10, 40, 70, 100 mg/L and digested anaerobically for 60 days. Natural zeolite at a dose of 40 g/L resulted in the largest increase (29{\%}) in total CH4 yield from swine manure compared to the nil zeolite treatments. The lag phase of digestion was decreased with increasing zeolite doses up to 100 g/L. Natural and sodium zeolites at a dose of 100 g/L reduced NH4 + by 50{\%} and 52{\%} in the media, respectively, compared to the nil zeolite treatments. However, the increases in CH4 yield of natural and sodium zeolites at a dose of 100 g/L were only 10{\%} and 12{\%}, respectively. Variations of cation concentrations in the digesters caused by adding zeolite at different rates might be a reason for variation of biogas and CH4 productions from various rates of zeolites digesters.",
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Effect of Australian zeolite on methane production and ammonium removal during anaerobic digestion of swine manure. / Wijesinghe, D. Thushari N.; Dassanayake, Kithsiri B.; Scales, Peter J.; Sommer, Sven G.; Chen, Deli.

I: Journal of Environmental Chemical Engineering, Bind 6, Nr. 1, 2018, s. 1233-1241.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Effect of Australian zeolite on methane production and ammonium removal during anaerobic digestion of swine manure

AU - Wijesinghe, D. Thushari N.

AU - Dassanayake, Kithsiri B.

AU - Scales, Peter J.

AU - Sommer, Sven G.

AU - Chen, Deli

PY - 2018

Y1 - 2018

N2 - Anaerobic digestion is one of the most effective methods for treating swine manure by converting it into green energy, and efficiently reducing methane (CH4) emission to the atmosphere. Low C/N ratio of swine manure and the production of high levels of total ammoniacal nitrogen (TAN) during acidogenesis due to the high N contents of swine manure considerably reduce CH4 yield. The reduction of N during anaerobic digestion by the addition of zeolite improves CH4 production and reduces potential environmental threats associated with ammonia (NH3) emissions from anaerobic digestion of swine manure. The main objective of this study was to determine the optimum Australian zeolite dose that produces maximum NH4 + recovery at optimum CH4 production. In laboratory experiments, swine manure was treated with natural and sodium zeolites at 0, 10, 40, 70, 100 mg/L and digested anaerobically for 60 days. Natural zeolite at a dose of 40 g/L resulted in the largest increase (29%) in total CH4 yield from swine manure compared to the nil zeolite treatments. The lag phase of digestion was decreased with increasing zeolite doses up to 100 g/L. Natural and sodium zeolites at a dose of 100 g/L reduced NH4 + by 50% and 52% in the media, respectively, compared to the nil zeolite treatments. However, the increases in CH4 yield of natural and sodium zeolites at a dose of 100 g/L were only 10% and 12%, respectively. Variations of cation concentrations in the digesters caused by adding zeolite at different rates might be a reason for variation of biogas and CH4 productions from various rates of zeolites digesters.

AB - Anaerobic digestion is one of the most effective methods for treating swine manure by converting it into green energy, and efficiently reducing methane (CH4) emission to the atmosphere. Low C/N ratio of swine manure and the production of high levels of total ammoniacal nitrogen (TAN) during acidogenesis due to the high N contents of swine manure considerably reduce CH4 yield. The reduction of N during anaerobic digestion by the addition of zeolite improves CH4 production and reduces potential environmental threats associated with ammonia (NH3) emissions from anaerobic digestion of swine manure. The main objective of this study was to determine the optimum Australian zeolite dose that produces maximum NH4 + recovery at optimum CH4 production. In laboratory experiments, swine manure was treated with natural and sodium zeolites at 0, 10, 40, 70, 100 mg/L and digested anaerobically for 60 days. Natural zeolite at a dose of 40 g/L resulted in the largest increase (29%) in total CH4 yield from swine manure compared to the nil zeolite treatments. The lag phase of digestion was decreased with increasing zeolite doses up to 100 g/L. Natural and sodium zeolites at a dose of 100 g/L reduced NH4 + by 50% and 52% in the media, respectively, compared to the nil zeolite treatments. However, the increases in CH4 yield of natural and sodium zeolites at a dose of 100 g/L were only 10% and 12%, respectively. Variations of cation concentrations in the digesters caused by adding zeolite at different rates might be a reason for variation of biogas and CH4 productions from various rates of zeolites digesters.

KW - Ammonium

KW - Anaerobic digestion

KW - Australian zeolite

KW - Methane

KW - Swine manure

U2 - 10.1016/j.jece.2018.01.028

DO - 10.1016/j.jece.2018.01.028

M3 - Journal article

AN - SCOPUS:85042428986

VL - 6

SP - 1233

EP - 1241

JO - Journal of Environmental Chemical Engineering

JF - Journal of Environmental Chemical Engineering

SN - 2213-3437

IS - 1

ER -