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Relevant bibliographies by topics / Treatment of liquid digestate

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Journal articles

Academic literature on the topic 'Treatment of liquid digestate'

Author: Grafiati

Published: 28 June 2021

Last updated: 17 February 2022

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Journal articles on the topic "Treatment of liquid digestate"

1

Akhiar, Afifi, Felipe Guilayn, Michel Torrijos, Audrey Battimelli, Abd Halim Shamsuddin, and Hélène Carrère. "Correlations between the Composition of Liquid Fraction of Full-Scale Digestates and Process Conditions." Energies 14, no. 4 (2021): 971. http://dx.doi.org/10.3390/en14040971.

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Fast development of centralized agricultural biogas plants leads to high amounts of digestate production. The treatment and disposal of liquid fractions after on-site digestate solid–liquid separation remains problematic due to their high organic, nutrient and aromatic contents. This work aims to study the variability of the remaining compounds in the digestate liquid fractions in relation to substrate origin, process parameters and solid–liquid separation techniques. Twenty-nine digestates from full-scale codigestion biogas plants and one waste activated sludge (WAS) digestate were collected

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2

Gienau, Tobias, Artjom Ehrmanntraut, Matthias Kraume, and Sandra Rosenberger. "Influence of Ozone Treatment on Ultrafiltration Performance and Nutrient Flow in a Membrane Based Nutrient Recovery Process from Anaerobic Digestate." Membranes 10, no. 4 (2020): 64. http://dx.doi.org/10.3390/membranes10040064.

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Membrane filtration of biological suspensions is frequently limited by fouling. This mechanism is well understood for ultrafiltration of activated sludge in membrane bioreactors. A rather young application of ultrafiltration is the recovery of nutrients from anaerobic digestates, e.g., from agricultural biogas plants. A process chain of solid/liquid separation, ultrafiltration, and reverse osmoses separates the digestate into different products: an organic N-P-fertilizer (solid digestate), a recirculate (UF retentate), a liquid N-K-fertilizer (RO retentate) and water. Despite the preceding par

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3

Rahmat, Budy, Ida Hodiyah, Apip Supriadi, Memet Hikmat, and Gilang Purnama. "Design of biogas digester with thermophilic pretreatment for reducing fruits wastes." International Journal of Recycling of Organic Waste in Agriculture 8, S1 (2019): 291–97. http://dx.doi.org/10.1007/s40093-019-00301-y.

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Abstract Purpose This study aimed to design a biogas digester that works thermophilically and mesophilically and tested its performance to produce biogas and digestate. Methods This study used some experimental methods, which consists of: (1) design and construction process of the digester which can facilitate the thermophilic process as a pretreatment of the feedstock and the anaerobic digestion process of the substrate; (2) determination of the quantity of biogas, liquid digestate, and compost; and (3) testing digestate quality as a liquid organic fertilizer for Ipomoea reptans. Results The

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Camilleri-Rumbau, Maria Salud, Kelly Briceño, Lene Fjerbæk Søtoft, et al. "Treatment of Manure and Digestate Liquid Fractions Using Membranes: Opportunities and Challenges." International Journal of Environmental Research and Public Health 18, no. 6 (2021): 3107. http://dx.doi.org/10.3390/ijerph18063107.

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Manure and digestate liquid fractions are nutrient-rich effluents that can be fractionated and concentrated using membranes. However, these membranes tend to foul due to organic matter, solids, colloids, and inorganic compounds including calcium, ammonium, sodium, sulfur, potassium, phosphorus, and magnesium contained in the feed. This review paper is intended as a theoretical and practical tool for the decision-making process during design of membrane-based systems aiming at processing manure liquid fractions. Firstly, this review paper gives an overview of the main physico-chemical character

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5

Piccoli, Ilaria, Giuseppe Virga, Carmelo Maucieri, and Maurizio Borin. "Digestate Liquid Fraction Treatment with Filters Filled with Recovery Materials." Water 13, no. 1 (2020): 21. http://dx.doi.org/10.3390/w13010021.

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Constructed wetlands (CWs) represent a green technology for digestate liquid fraction (DLF) treatment. However, previous research has warned about their performance when treating wastewater with high suspended solid and organic loads. In addition, the high NH4-N concentration typical of this wastewater can compromise vegetation establishment and activity. In view of this, a digestate pretreatment is needed. This study aimed to test the performance of filters filled with recovery materials, such as brick and refractory material, for DLF pretreatment. The effect on DLF physical (electrical condu

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6

Jamison, Jacqueline, Samir Kumar Khanal, Nhu H. Nguyen, and Jonathan L. Deenik. "Assessing the Effects of Digestates and Combinations of Digestates and Fertilizer on Yield and Nutrient Use of Brassica juncea (Kai Choy)." Agronomy 11, no. 3 (2021): 509. http://dx.doi.org/10.3390/agronomy11030509.

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Anaerobic digestion of organic wastes produces solid residues known as digestates, which have potential as a fertilizer and soil amendment. The majority of research on digestate focuses on their fertilizer value. However, there is a lack of information about additional effects they may have on plant growth, both positive and negative. Understanding the effects of digestate on plant growth is essential to optimizing their use in agriculture and helping close the loop of material and energy balances. This greenhouse study evaluated the effects of two different digestates, a food waste digestate

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7

Carney, K. N., M. Rodgers, P. G. Lawlor, and X. Zhan. "Treatment of separated piggery anaerobic digestate liquid using woodchip biofilters." Environmental Technology 34, no. 5 (2013): 663–70. http://dx.doi.org/10.1080/09593330.2012.710408.

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8

Logan, Mohanakrishnan, and Chettiyappan Visvanathan. "Management strategies for anaerobic digestate of organic fraction of municipal solid waste: Current status and future prospects." Waste Management & Research: The Journal for a Sustainable Circular Economy 37, no. 1_suppl (2019): 27–39. http://dx.doi.org/10.1177/0734242x18816793.

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Anaerobic digestion has emerged as the preferred treatment for organic fraction of municipal solid waste. Digestate management strategies are devised not only for safe disposal but also to increase the value and marketability. Regulations and standards for digestate management are framed to address the pollution concerns, conserve vulnerable zones, prevent communicable diseases, and to educate on digestate storage and applications. Regulations and the desired end uses are the main drivers for the enhancement of digestate through pretreatment, in vessel cleaning, and post-digestion treatment te

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9

Crutchik, Dafne, Gustavo Rodríguez-Valdecantos, Gabriela Bustos, Javier Bravo, Bernardo González, and Claudia Pabón-Pereira. "Vermiproductivity, maturation and microbiological changes derived from the use of liquid anaerobic digestate during the vermicomposting of market waste." Water Science and Technology 82, no. 9 (2020): 1781–94. http://dx.doi.org/10.2166/wst.2020.427.

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Abstract Recently, it has been suggested that the liquid fraction of anaerobic digestate, derived from the treatment of wastewater and solid wastes, could be used in vermicomposting as a solution to its disposal, and even for its valorization. Nevertheless, the literature does not provide enough information about its impact on the process of vermicomposting itself and on the final quality of the end-product. In this study, the effect of different doses of digestate in the vermicomposting process treating market waste is assessed measuring earthworm population dynamics, the bacterial community

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10

Seruga, Przemysław, Małgorzata Krzywonos, and Marta Wilk. "Treatment of By-Products Generated from Anaerobic Digestion of Municipal Solid Waste." Waste and Biomass Valorization 11, no. 9 (2019): 4933–40. http://dx.doi.org/10.1007/s12649-019-00831-6.

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Abstract Purpose This study aimed to examine the possibilities of the treatment of the by-products generated in the anaerobic digestion (AD) of the organic fraction of municipal solid waste (OFMSW): oxygen stabilization (composting) of the solid digestate and pretreatment with air stripping of the effluents (liquid digestate and leachate from maturation field and reactors from composting). Methods Oxygen stabilization (OS) was performed in full-scale in a mechanical–biological treatment (MBT) plant using three different methods, using an open field or enclosed box reactor with aeration. The am

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