Pretreatment of poultry manure for efficient biogas production as monosubstrate or co-fermentation with maize silage and corn stover

Böjti, Tamás; Kovács, Kornél L.; Kakuk, Balázs; Wirth, Roland; Rákhely, Gábor; Bagi, Zoltán

doi:10.1016/j.anaerobe.2017.03.017

Cited by 58 publications

(29 citation statements)

References 55 publications

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“…High dosage of chicken manure cause ammonia accumulation and process failure (Nie et al, 2015;Sun et al, 2016). Water extraction is one possible solution for this problem (Böjti et al, 2017). The supernatant liquid waste still contains high amount of nitrogen and phosphorus, thereby represents suitable medium for microalgal biomass production (Han et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Chlorella vulgaris and Its Phycosphere in Wastewater: Microalgae-Bacteria Interactions During Nutrient Removal

Wirth

Pap

Böjti

et al. 2020

Front. Bioeng. Biotechnol.

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Microalgae-based bioenergy production is a promising field with regard to the wide variety of algal species and metabolic potential. The use of liquid wastes as nutrient clearly improves the sustainability of microalgal biofuel production. Microalgae and bacteria have an ecological inter-kingdom relationship. This microenvironment called phycosphere has a major role in the ecosystem productivity and can be utilized both in bioremediation and biomass production. However, knowledge on the effects of indigenous bacteria on microalgal growth and the characteristics of bacterial communities associated with microalgae are limited. In this study municipal, industrial and agricultural liquid waste derivatives were used as cultivation media. Chlorella vulgaris green microalgae and its bacterial partners efficiently metabolized the carbon, nitrogen and phosphorous content available in these wastes. The read-based metagenomics approach revealed a diverse microbial composition at the start point of cultivations in the different types of liquid wastes. The relative abundance of the observed taxa significantly changed over the cultivation period. The genome-centric reconstruction of phycospheric bacteria further explained the observed correlations between the taxonomic composition and biomass yield of the various waste-based biodegradation systems. Functional profile investigation of the reconstructed microbes revealed a variety of relevant biological processes like organic acid oxidation and vitamin B synthesis. Thus, liquid wastes were shown to serve as valuable resources of nutrients as well as of growth promoting bacteria enabling increased microalgal biomass production.

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Section: Introductionmentioning

confidence: 99%

Chlorella vulgaris and Its Phycosphere in Wastewater: Microalgae-Bacteria Interactions During Nutrient Removal

Wirth

Pap

Böjti

et al. 2020

Front. Bioeng. Biotechnol.

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“…For this experiment, urea was chosen as a nitrogen source as it is a well-defined substance. For the practice, co-digestion using co-substrates high in nitrogen such as poultry manure [15] has to be taken into account.…”

Section: Resultsmentioning

confidence: 99%

Anaerobic digestion of mixed silage of waterweed biomass and wheat straw in a long-term semi-continuous biogas production process

et al. 2018

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Background: As part of the maintenance of lakes and rivers, large quantities of aquatic biomass are produced every year. Neophytes, such as Elodea nuttallii, compete with native species and cause a disturbance to the ecosystem, which can manifest itself in the form of eutrophication. Aquatic macrophytes are not in competition with the production of food and animal feed and thus can be used in anaerobic digestion plants to replace a fraction of commonly used renewables such as maize or grass silage. Mixed silage of Elodea biomass with wheat straw was recently developed to allow for the conservation of mowed aquatic biomass. In this paper, the digestibility of this silage was tested in a long-term semi-continuous fermentation experiment with a duration of 212 days. Methods: A continous-stirred tank reactor with a working volume of 31 L was used for the semi-continuous fermentation experiment. The substrate Elodea-straw silage was supplied to the fermenter once a day. The samples of digestates were analyzed directly after sampling twice a week for total solids, volatile solids, VFA/TAC, NH 4 -N, acetate, propionate, butyrate, and water-solutle elements. The biogas composition was determined by means of gas chromatograph once a week.

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“…Contexto, que pode ser justificado pelo fato de que a digestibilidade de resíduos ricos em nitrogênio (como os dejetos de animais) pode ser melhorada a partir da digestão anaeróbica com substratos de alto teor de carbono (como os resíduos lignocelulósicos). Já que a Co-DA proporciona benefícios importantes, incluindo o equilíbrio dos macros e micronutrientes, pH, inibidores e compostos tóxicos (Böjti et al 2017).…”

Section: Daunclassified

Co-Digestão Anaeróbica De Dejetos De Animais E Resíduos Lignocelulósicos: Uma Revisão Do Potencial De Produção De Metano / Anaerobic Co-Digestion of Animal Waste and Lignocellulosic Residues: A Review of Methane Production Potential

Dupont

Della‐Flora

Clerici

et al. 2020

BJD

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Pretreatment of poultry manure for efficient biogas production as monosubstrate or co-fermentation with maize silage and corn stover

Cited by 58 publications

References 55 publications

Chlorella vulgaris and Its Phycosphere in Wastewater: Microalgae-Bacteria Interactions During Nutrient Removal

Chlorella vulgaris and Its Phycosphere in Wastewater: Microalgae-Bacteria Interactions During Nutrient Removal

Anaerobic digestion of mixed silage of waterweed biomass and wheat straw in a long-term semi-continuous biogas production process

Co-Digestão Anaeróbica De Dejetos De Animais E Resíduos Lignocelulósicos: Uma Revisão Do Potencial De Produção De Metano / Anaerobic Co-Digestion of Animal Waste and Lignocellulosic Residues: A Review of Methane Production Potential

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