Quality of brackish aquaculture sludge and its suitability for anaerobic digestion and methane production in an upflow anaerobic sludge blanket (UASB) reactor

Mirzoyan, Natella; Parnes, Shmuel; Singer, Alexander; Tal, Yossi; Sowers, Kevin R.; Gross, Amit

doi:10.1016/j.aquaculture.2008.04.008

Cited by 66 publications

(53 citation statements)

References 29 publications

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“…Elimination of organic waste from marine RASs using resident microbial communities is currently under study, with a focus on anaerobic digestion reactors that promote activity of methanogenic Archaea [5 ]. Although high salt concentrations associated with marine RAS sludge may inhibit methane-producing Archaea, methanogenic activity has been detected for several marine RASs at levels lower than those observed for domestic and industrial sludge digestion [40]. The archaeal community in brackish aquaculture sludge digesters consist of members of both Euryarchaeota and Crenarchaeota, with evidence for methanogenic representatives of the Methanosarcinaceae obtained from 16S rRNA gene sequences (Mirzoyan and Gross, manuscript in preparation).…”

Section: Methanogenesismentioning

confidence: 98%

Microbial diversity of biological filters in recirculating aquaculture systems

Schreier

Mirzoyan

Saito

2010

Current Opinion in Biotechnology

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219

168

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Section: Methanogenesismentioning

confidence: 98%

Microbial diversity of biological filters in recirculating aquaculture systems

Schreier

Mirzoyan

Saito

2010

Current Opinion in Biotechnology

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219

168

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“…Under anaerobic conditions, these organic acids and ethanol can be translated into methane and carbon dioxide by bacteria. (Mirzoyan et al 2008) reported that the dissolved oxygen content of aquaculture sediments was \1 mg/L, producing an environment conducive to CH 4 production.…”

Section: Discussionmentioning

confidence: 99%

“…When C:N = 20, N 2 O emissions are 10 times greater than when C:N = 5 or 10 (Wu 2009). Studies report that a C:N for aquaculture sediment between 29.3 and 42.4 will greatly facilitate N 2 O emissions (Mirzoyan et al 2008). The N 2 O emission flux from the freshwater M. amblycephala culture ponds in this experiment was -6.32 ± 0.54 * 110.29 ± 12.90 mg/(m 2 day), much larger than that from a boreal natural lake in Finland (Huttunen et al 2003a, b) and close to that from the Skjonhaug constructed wetland polishing chemically treated municipal wastewater (Søvik and Kløve 2007).…”

Section: Discussionmentioning

confidence: 99%

Greenhouse gas emissions and comprehensive greenhouse effect potential of Megalobrama amblycephala culture pond ecosystems in a 3-month growing season

Zhu¹,

Xuan²,

Liu³

et al. 2015

Aquacult Int

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In this study, we assess the greenhouse gas emissions and greenhouse effect potential of a Wuchang bream (Megalobrama amblycephala) aquaculture. We used the 'static opaque chamber-gas chromatography method' to determine in situ emissions of greenhouse gases in the 3-month growing season (CO 2 , CH 4 , and N 2 O) from bream culturing ponds. We detected emissions of all three gases from the ponds, with CO 2 emission far exceeding the other gases in the 3-month growing season (CO 2 = 278.54 ± 36.41 g/m 2 , CH 4 = 23.73 ± 5.27 g/m 2 , and N 2 O = 1.69 ± 0.32 g/m 2 ). We calculated that in one growing season this ecosystem would have a total emission of CO 2 equivalent of 15.86 t CO 2 /hm 2 , indicating its ability to contribute to global warming via the greenhouse effect.

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“…This significantly higher N removal, as compared with organic C removal, is due to consumption of C for biomass growth (while most of the N has been volatilized as gaseous ammonia), and it may have some consequences with regards to other future potential reuse of this MBW. It has been reported that in sludge with an overall C/N ratio that is higher than 10, methanogenesis activity via anaerobic digestion may occur (Marchaim 1992;Mirzoyan et al 2008). Hence, high C/N ratio in digested layer manure, within the acceptable range for methanogenic activity of microorganisms, may turn this MBW to an appropriate substrate for methanogenesis by a further treatment.…”

Section: Manure Characteristics and Digestion Processmentioning

confidence: 96%

Reuse of Stabilized Fowl Manure as Soil Amendment and Its Implication on Organic Agriculture Nutrition Management

Sinay¹,

Golan²,

Nejidat³

et al. 2010

Water Air Soil Pollut

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A major input in intensive organic agriculture is nutrient-rich liquid fertilizers. Guano and other fowl manure are frequently digested in water extracts, and the supernatant is supplied as fertilizer. The resultant manure biowaste (MBW) is commonly disposed of to the environment, posing potential pollution and health risks. The study aims were to determine two types of fowl MBWs for their chemical properties before and after lime treatment and to test their reuse potential as soil amendment. Guano and layer manure were digested, and the residues' chemical properties were analyzed before and after lime treatment. MBWs were then air-dried and used as a soil amendment in a parsley-growing experiment. The lime-treated MBW composition met the European standards for high-quality biowaste compost. Both digested and lime-treated MBWs had residual nitrogen, 3% and 1% in guano and layer manure, respectively. Parsley grown in soil amended with layer MBW had 100% survival, high yield, and good crop quality compared with controls. Plants grown with soil amended with guano biowaste exhibited lower yield and only 50% survival. These findings indicate that the current practice of disposing guano biowaste to the environment may pollute soil and water bodies, while the land spread of lime-treated layer MBW is safe and may improve soil fertility.

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Quality of brackish aquaculture sludge and its suitability for anaerobic digestion and methane production in an upflow anaerobic sludge blanket (UASB) reactor

Cited by 66 publications

References 29 publications

Microbial diversity of biological filters in recirculating aquaculture systems

Microbial diversity of biological filters in recirculating aquaculture systems

Greenhouse gas emissions and comprehensive greenhouse effect potential of Megalobrama amblycephala culture pond ecosystems in a 3-month growing season

Reuse of Stabilized Fowl Manure as Soil Amendment and Its Implication on Organic Agriculture Nutrition Management

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