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Thematische Bibliographien / Treatment of liquid digestate / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Treatment of liquid digestate“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 17. Februar 2022

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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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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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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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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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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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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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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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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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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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Phong, Nguyen Thanh. "GREENHOUSE GAS EMISSIONS FROM ANAEROBIC DIGESTION PLANTS." Vietnam Journal of Science and Technology 54, no. 4B (2018): 208. http://dx.doi.org/10.15625/2525-2518/54/4b/12043.

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This study investigated emissions of CH4, N2O and NH3 from nine anaerobic digestion plants that treat biowaste. The treatment is in form of mechanical pre-treatment, anaerobic digestion followed by a composting with or without intensive aeration. The exhaust gases from the mechanical and anaerobic steps are treated by biofilters. The emission sources at the plants consisted of biofilters, combined heat and power units (CHP), liquid digestate treatment systems (LTS) and open composting windrows of the solid digestate. Overall, the emission factors were 0.4 - 16 kg (Mg biowaste)-1 for CH4, 7 - 1

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Majtacz, Joanna, Dominika Grubba, and Krzysztof Czerwionka. "Application of the Anammox Process for Treatment of Liquid Phase Digestate." Water 12, no. 11 (2020): 2965. http://dx.doi.org/10.3390/w12112965.

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The liquid phase of the digestate (LPD) contains a relatively high concentration of nitrogen, with total ammonium nitrogen being the dominant form of nitrogen, as well as other essential nutrients such as phosphorus and potassium. Consequently, it must be treated before it is released into the environment. However, there are no reports of co-purification of LPD in the anammox process in sequencing batch reactor with granular sludge, which is a novelty for the presented research. The main objective of this paper is to assess the possibility of nitrogen removal in the anammox process with LPD fr

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Urbanowska, Agnieszka, and Małgorzata Kabsch-Korbutowicz. "The Use of Flat Ceramic Membranes for Purification of the Liquid Fraction of the Digestate from Municipal Waste Biogas Plants." Energies 14, no. 13 (2021): 3947. http://dx.doi.org/10.3390/en14133947.

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Due to the rising water deficit in agriculture, digestate is increasingly being considered not only as an alternative fertiliser but also as a potential source of water. The use of recycled water for crop irrigation requires that it be treated in such a way that contaminants from the fermented biomass are not returned to the environment. Membrane processes can provide promising results in this regard. This study seeks to achieve membrane filtration using flat ceramic membranes for effective digestate liquid fraction treatment from a municipal waste biogas plant. Membranes of 1, 5, 15, and 50 k

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Baryga, Andrzej, Bożenna Połeć, Andrzej Klasa, and Tomasz Piotr Olejnik. "Application of Sugar Beet Pulp Digestate as a Soil Amendment in the Production of Energy Maize." Processes 9, no. 5 (2021): 765. http://dx.doi.org/10.3390/pr9050765.

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This study aimed to determine the suitability of sugar beet pulp digestion by-products as soil amendments for maize grown for energy purposes. In a plot experiment, nitrogen fertilizer at a standard rate of 200 kg N ha−1 was applied as a control vs. treatment with solid and liquid digestate fractions. Digestate was obtained from a gasifier processing only sugar beet pulp. Following harvest, heating and calorific values were determined together with the yield and chemical composition of the maize cob and stover. It was found that soil amendment with crude (unseparated) digestate or its two frac

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Wang, Hong, Bufan Qi, Xiaomei Jiang, et al. "Microalgal interstrains differences in algal-bacterial biofloc formation during liquid digestate treatment." Bioresource Technology 289 (October 2019): 121741. http://dx.doi.org/10.1016/j.biortech.2019.121741.

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Urbanowska, Agnieszka, Małgorzata Kabsch-Korbutowicz, Mateusz Wnukowski, et al. "Treatment of Liquid By-Products of Hydrothermal Carbonization (HTC) of Agricultural Digestate Using Membrane Separation." Energies 13, no. 1 (2020): 262. http://dx.doi.org/10.3390/en13010262.

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Agriculture affects both the quantity and the quality of water available for other purposes, which becomes problematic, especially during increasingly frequent severe droughts. This requires tapping into the resources that are typically neglected. One such resource is a by-product of anaerobic digestion, in which moisture content typically exceeds 90%. Application of hydrothermal carbonization process (HTC) to this residue could partially remove organic and inorganic material, improve dewatering, decrease the overall solid mass, sanitize the digestate, change its properties, and eliminate prob

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Maurer, Claudia, Julia Seiler-Petzold, Rudolf Schulz, and Joachim Müller. "Short-Term Nitrogen Uptake of Barley from Differently Processed Biogas Digestate in Pot Experiments." Energies 12, no. 4 (2019): 696. http://dx.doi.org/10.3390/en12040696.

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The use of biogas digestate as fertilizer is limited by the farm nutrient balance. Mechanical separation and drying of digestate increases its transport worthiness as well as the economic feasibility of nutrient export. This study compares the fertilizer effect of four treatments of digestate originating from two biogas plants: untreated digestate, liquid and solid fraction of separated digestate and dried solid fraction of separated digestate. Pot experiments with barley were performed with two fertilization levels for different digestate variants. Above-ground biomass yield, nitrogen (N) and

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Vondra, Marek, Vítězslav Máša, and Petr Bobák. "The energy performance of vacuum evaporators for liquid digestate treatment in biogas plants." Energy 146 (March 2018): 141–55. http://dx.doi.org/10.1016/j.energy.2017.06.135.

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Maucieri, Carmelo, Antonio C. Barbera, and Maurizio Borin. "Effect of injection depth of digestate liquid fraction on soil carbon dioxide emission and maize biomass production." Italian Journal of Agronomy 10, no. 1s (2016): 6. http://dx.doi.org/10.4081/ija.2016.657.

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The aim of this study was to evaluate, in open field conditions, the effect of injection depth of digestate liquid fraction (10 cm, 25 cm and 35 cm) in clay loam soil, on CO<sub>2</sub> emission. An un-amended soil was considered as control. The study was performed in 2014 on a farm located in Terrasa Padovana, Veneto region (Italy) distributing digestate before maize sowing. Digestate injection determined a high soil CO<sub>2</sub> emission in the first hour after application, followed by a progressive reduction in as early as 24 h, reaching significantly lower values,

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Krustok, I., J. G. Diaz, M. Odlare, and E. Nehrenheim. "Algae biomass cultivation in nitrogen rich biogas digestate." Water Science and Technology 72, no. 10 (2015): 1723–29. http://dx.doi.org/10.2166/wst.2015.384.

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Because microalgae are known for quick biomass growth and nutrient uptake, there has been much interest in their use in research on wastewater treatment methods. While many studies have concentrated on the algal treatment of wastewaters with low to medium ammonium concentrations, there are several liquid waste streams with high ammonium concentrations that microalgae could potentially treat. The aim of this paper was to test ammonium tolerance of the indigenous algae community of Lake Mälaren and to use this mixed consortia of algae to remove nutrients from biogas digestate. Algae from Lake Mä

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Caruso, C., C. Maucieri, A. Barco, A. C. Barbera, and M. Borin. "Effects of mycorrhizal inoculation and digestate fertilisation on triticale biomass production using fungicide-coated seeds." Irish Journal of Agricultural and Food Research 57, no. 1 (2018): 42–51. http://dx.doi.org/10.1515/ijafr-2018-0005.

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AbstractCrop fertilisation management using organic wastes and arbuscular mycorrhizal fungi (AMF) inoculation can play a crucial role in the sustainability of agroecosystems. However, in conventional agricultural systems, agrochemicals like fungicides could reduce the positive effect of AMF. The aim of this study was to evaluate the agronomic (biomass production) and environmental (soil CO2 emission) effects of AMF inoculation and digestate spreading on triticale cultivation using commercial seeds coated with fungicide. The field experiment was conducted in 2014–2015 at the University of Padua

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Haraldsen, Trond Knapp, Uno Andersen, Tore Krogstad, and Roald Sørheim. "Liquid digestate from anaerobic treatment of source-separated household waste as fertilizer to barley." Waste Management & Research 29, no. 12 (2011): 1271–76. http://dx.doi.org/10.1177/0734242x11411975.

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Świątczak, Piotr, Agnieszka Cydzik-Kwiatkowska, and Magdalena Zielińska. "Treatment of the liquid phase of digestate from a biogas plant for water reuse." Bioresource Technology 276 (March 2019): 226–35. http://dx.doi.org/10.1016/j.biortech.2018.12.077.

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Wu, Shubiao, Ming Lei, Qimin Lu, Luchen Guo, and Renjie Dong. "Treatment of pig manure liquid digestate in horizontal flow constructed wetlands: Effect of aeration." Engineering in Life Sciences 16, no. 3 (2015): 263–71. http://dx.doi.org/10.1002/elsc.201500030.

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Ujor, Victor Chinomso, Christopher Chukwudi Okonkwo, Brennen Bradley Rush, Grace Ellen McCrea, and Thaddeus Chukwuemeka Ezeji. "Harnessing the Residual Nutrients in Anaerobic Digestate for Ethanol Fermentation and Digestate Remediation Using Saccharomyces cerevisiae." Fermentation 6, no. 2 (2020): 52. http://dx.doi.org/10.3390/fermentation6020052.

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This study evaluated the feasibility of concomitant nutrient removal, cleaner water recovery, and improved ethanol production via glucose fermentation in the liquid fraction of anaerobic digestate (ADE) by Saccharomyces cerevisiae. The 25%, 50%, and 100% (v/v) ADE supported the growth of S. cerevisiae, glucose utilization (~100 g/L) and ethanol production (up to 50.4 ± 6.4 g/L). After a 144 h fermentation in the 50% ADE, the concentrations of ammonia, total nitrogen, phosphate, and total phosphorus decreased 1000-, 104.43-, 1.94-, and 2.20-fold, respectively. Notably, only 0.40 ± 0.61 mg/L amm

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Szymańska, Magdalena, Ewa Szara, Adam Wąs, Tomasz Sosulski, Gijs van Pruissen, and René Cornelissen. "Struvite—An Innovative Fertilizer from Anaerobic Digestate Produced in a Bio-Refinery." Energies 12, no. 2 (2019): 296. http://dx.doi.org/10.3390/en12020296.

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This paper presents the results of a pot experiment aimed at the assessment of the fertilizer value of struvite, a precipitation product obtained from a liquid fraction of the digestate. The effects of struvite (STR), struvite + ammonium sulphate (STR + N) and ammonium phosphate (AP) treatments were examined on maize and grass cultivation on silty loam and loamy sand soil. The crop yields were found to depend on both the soil type and experimental treatment. Crop yields produced under STR and STR + N exceeded those under the control treatments by respectively 66% and 108% for maize, and 94% an

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Świątczak, Piotr, Agnieszka Cydzik-Kwiatkowska, and Magdalena Zielińska. "Treatment of Liquid Phase of Digestate from Agricultural Biogas Plant in a System with Aerobic Granules and Ultrafiltration." Water 11, no. 1 (2019): 104. http://dx.doi.org/10.3390/w11010104.

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Management of digestate from manure co-digestion with a very high chemical oxygen demand (COD) to nitrogen ratio and high nitrogen loads are a major bottleneck in the development of agricultural biogas plants. The liquid phase of digestate mixed with municipal wastewater was treated in aerobic granular sludge batch reactors at cycle lengths (t) of 6 h (GSBR6h), 8 h (GSBR8h), and 12 h (GSBR12h), corresponding to nitrogen loads of 1.6, 1.2, and 0.8 g/(L·d). Thauera sp., Lacibacter sp., Thermanaerothrix sp., and Planctomyces sp. predominated in granules favoring effective granule formation and ni

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Gallipoli, Agata, Andrea Gianico, Simona Crognale, et al. "3-ROUTES PLATFORM FOR RECOVERY OF HIGH VALUE PRODUCTS, ENERGY AND BIO-FERTILIZER FROM URBAN BIOWASTE: THE REVENUE PROJECT." Detritus, no. 15 (June 30, 2021): 24–30. http://dx.doi.org/10.31025/2611-4135/2021.15092.

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This innovative Biorefinery platform is based on the integration of a mild thermal pre-treatment and a solid/liquid separation unit to parallel-integrated bioprocesses specifically selected on food waste distinctive chemical composition: a liquid fraction, rich in readily fermentable sugars, to be transformed into valuable biobased products, and a solid organic residue to enhance biomethane production generating a fully hygienized digestate to be recycled. The preliminary results in terms of VFAs yields and composition from the acidogenic stage, and the methane conversion rate from the anaerob

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Tampio, Elina, Sanna Marttinen, and Jukka Rintala. "Liquid fertilizer products from anaerobic digestion of food waste: mass, nutrient and energy balance of four digestate liquid treatment systems." Journal of Cleaner Production 125 (July 2016): 22–32. http://dx.doi.org/10.1016/j.jclepro.2016.03.127.

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Urbanowska, Agnieszka, Małgorzata Kabsch-Korbutowicz, Christian Aragon-Briceño, et al. "Cascade Membrane System for Separation of Water and Organics from Liquid By-Products of HTC of the Agricultural Digestate—Evaluation of Performance." Energies 14, no. 16 (2021): 4752. http://dx.doi.org/10.3390/en14164752.

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New regulations aimed at curbing the problem of eutrophication introduce limitations for traditional ways to use the by-product of anaerobic digestion—the digestate. Hydrothermal carbonisation (HTC) can be a viable way to valorise the digestate in an energy-efficient manner and at the same time maximise the synergy in terms of recovery of water, nutrients, followed by more efficient use of the remaining carbon. Additionally, hydrothermal treatment is a feasible way to recirculate recalcitrant process residues. Recirculation to anaerobic digestion enables recovery of a significant part of chemi

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Xu, Jie, Yongjun Zhao, Guohua Zhao, and Hui Zhang. "Nutrient removal and biogas upgrading by integrating freshwater algae cultivation with piggery anaerobic digestate liquid treatment." Applied Microbiology and Biotechnology 99, no. 15 (2015): 6493–501. http://dx.doi.org/10.1007/s00253-015-6537-x.

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Calábková, Katrin, Petra Malíková, Silvie Heviánková, and Michaela Červenková. "Recycling of Phosphorus and Ammonia Nitrogen from Digestate." GeoScience Engineering 64, no. 4 (2018): 36–39. http://dx.doi.org/10.2478/gse-2018-0020.

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Abstract Digestate from biogas plants, formed by dewatering anaerobically stabilized sludge, is characteristic of high concentrations of phosphates and ammonia nitrogen suitable for further use. Phosphorus is an element widely used to produce fertilizers, and because of its continually shortening natural supplies, recycling of phosphorus is gaining on significance. Both phosphorus and nitrogen are important elements and their presence affect the quality of water resources. Both elements can contribute to eutrophication. At the same time, both phosphorus and ammonia nitrogen, are important elem

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Bellucci, Micol, Francesca Marazzi, Elena Ficara, and Valeria Mezzanotte. "Effect of N:P Ratio on Microalgae/Nitrifying Bacteria Community in Agro-Digestate Treatment." Environmental and Climate Technologies 24, no. 2 (2020): 136–48. http://dx.doi.org/10.2478/rtuect-2020-0061.

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AbstractThe role of P content on the treatment and valorization of the liquid fraction of digestate, namely centrate, through microalgae-based technologies was evaluated in this study. The performance of four column photobioreactors, which were fed on diluted centrate with corrected (10 mg N/ mg P) and not modified (129 mg N/ mg P) N:P ratio, were monitored and compared. The results demonstrated that P shortage in the centrate affected neither the total nitrogen and COD removal rate nor the volumetric biomass productivity, suggesting that expensive addition of P salts is not necessary to maxim

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Urbanowska, Agnieszka, Izabela Polowczyk, Małgorzata Kabsch-Korbutowicz, and Przemysław Seruga. "Characteristics of Changes in Particle Size and Zeta Potential of the Digestate Fraction from the Municipal Waste Biogas Plant Treated with the Use of Chemical Coagulation/Precipitation Processes." Energies 13, no. 22 (2020): 5861. http://dx.doi.org/10.3390/en13225861.

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The organic fraction of waste is increasingly used for biogas production. However, the fermentation process used for this purpose also produces waste in the form of digestate in addition to biogas. Its liquid fraction can, among other things, be a source of water, but its recovery requires many advanced technological processes. Among the first in the treatment train is usually coagulation/chemical precipitation. Its application changes properties, including the size and zeta potential (ζ) of the fractions that have to be removed in subsequent processes. Changes in particle size distribution an

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Perazzolo, Francesca, Gabriele Mattachini, Fulvia Tambone, Aldo Calcante, and Giorgio Provolo. "Nutrient losses from cattle co-digestate slurry during storage." Journal of Agricultural Engineering 47, no. 2 (2016): 94. http://dx.doi.org/10.4081/jae.2016.500.

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Among environmental issues related to intensive livestock activity, emissions to air from manure management are of increasing concern. Thus the knowledge of the effect of treatment application on subsequent emissions from manure is required to assess the environment impact of management solutions. This work addresses the effect of anaerobic digestion and phase separation on emissions during storage by studying nitrogen losses from lab-scale stores and field pilot-scale stores of a co-digestate cattle slurry and its respective separated fractions. Lab-scale experiment was carried in temperature

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Maucieri, Carmelo, Anna Mietto, Antonio C. Barbera, and Maurizio Borin. "Treatment performance and greenhouse gas emission of a pilot hybrid constructed wetland system treating digestate liquid fraction." Ecological Engineering 94 (September 2016): 406–17. http://dx.doi.org/10.1016/j.ecoleng.2016.05.062.

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Xin-rong, PAN, CHEN Lei, YU Heng, and ZUO Jian-e. "Study of Occurrence Characteristics of Antibiotic Resistance Genes in Pig manure during Anaerobic Digestion and Digestate Fertilization." E3S Web of Conferences 233 (2021): 01130. http://dx.doi.org/10.1051/e3sconf/202123301130.

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Antibiotic resistance genes (ARGs) existing in livestock and poultry manure have the risk to spread and proliferate. This might endanger people’s health. The common treatment of livestock and poultry manure is anaerobic digestion. But the change of ARGs during anaerobic digestion require further study, and the effect of digestate fertilization to the antibiotic resistance of cropland soil is still unclear. This study investigated the pig manure, biogas liquid, biogas residue, and cropland soils fertilized with and without digestate. The results showed that, the relative abundance of ARGs in bi

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Gaj, Renata, Anna Budka, Jacek Antonkiewicz, Krzysztof Bąk, and Paulina Izychard. "Effect of long-term slurry application on contents of available forms of soil macronutrients." Soil Science Annual 69, no. 3 (2018): 194–204. http://dx.doi.org/10.2478/ssa-2018-0020.

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Abstract The objective of the study was to assess the effects of long-term application of liquid manure from pig production and digestate from manure fermentation installation for biogas production on chemical changes in the soil, i.e.: soil reaction, accumulation of available forms of phosphorus, potassium, and magnesium in the soil arable layer, as well as the phosphorus balance. The assessment was carried out in two highly productive farms specialising in pig production, located in the Zachodniopomorskie Province. The soils under the study were treated with slurry and digestate annually for

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Eberlein, Caroline, Abdolhossein Edalati, Ruihong Zhang, and Andreas Westphal. "A rapid bioassay for measuring nematode suppressive potential of anaerobic digestate." Nematology 22, no. 8 (2020): 879–89. http://dx.doi.org/10.1163/15685411-00003348.

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Summary Anaerobic digestate is a byproduct of anaerobic digestion of organic materials for biogas production. Land application of digestates may provide plant nutrition and suppression of plant-parasitic nematodes. The characteristics of digestates may vary by organic substrates and digestion conditions. To measure nematode-suppressive potential, the rigour and simplicity of a radish bioassay with Heterodera schachtii was expanded. In a three-factor factorial design, three incubation environments, two growth containers and two nematode life stages as inoculum were tested. Containers with 50 g

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Maucieri, Carmelo, and Maurizio Borin. "CO2 Emissions and Maize Biomass Production Using Digestate Liquid Fraction in Two Soil Texture Types." Transactions of the ASABE 60, no. 4 (2017): 1325–36. http://dx.doi.org/10.13031/trans.12159.

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Abstract. The aim of this work was to evaluate the effects of soil texture and primary tillage type on soil CO2 emission and maize biomass production after digestate liquid fraction (DLF) spreading. The study was conducted in 2014 in two open fields at Terrasa Padovana (farm 1) and Bovolenta (farm 2) in the Veneto Region of Italy. Soil CO2 emission after digestate spreading was evaluated by comparing the effect of soil texture (sandy loam vs. clay loam) at farm 1 and the effect of long-term primary tillage management (&gt;10 years) (ripping vs. plowing) in clay loam soil at farm 2. Unamend

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Feng, Siran, Fen Liu, Shunni Zhu, et al. "Performance of a microalgal-bacterial consortium system for the treatment of dairy-derived liquid digestate and biomass production." Bioresource Technology 306 (June 2020): 123101. http://dx.doi.org/10.1016/j.biortech.2020.123101.

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Soppelsa, Sebastian, Luisa Maria Manici, Francesco Caputo, Massimo Zago, and Markus Kelderer. "Locally Available Organic Waste for Counteracting Strawberry Decline in a Mountain Specialized Cropping Area." Sustainability 13, no. 7 (2021): 3964. http://dx.doi.org/10.3390/su13073964.

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Crop decline caused by soil borne fungal pathogens affects specialized cropping systems such as fruit trees and strawberry. A study was carried out to investigate the effectiveness of pre-plant application of waste-derived biomasses in strawberry (Fragaria × ananassa) to reduce that phenomenon. A field experiment was carried out in an alpine strawberry specialized valley in South Tyrol (Italy), in a long term cultivated field selected for yield reduction over recent years. In July 2018, one month before strawberry transplanting, a field experiment with four soil treatments was set up: anaerobi

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Szymańska, Magdalena, Tomasz Sosulski, Adriana Bożętka, et al. "Evaluating the Struvite Recovered from Anaerobic Digestate in a Farm Bio-Refinery as a Slow-Release Fertiliser." Energies 13, no. 20 (2020): 5342. http://dx.doi.org/10.3390/en13205342.

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Biogas production in agricultural biogas plants generates digestate—liquid waste containing organic matter and mineral nutrients. Utilisation of the digestate on farm fields adjacent to the biogas plants is limited. Therefore, bio-refineries implement advanced forms of digestate processing, including precipitation of struvite (MgNH4PO4.6H2O). Struvite can be transported over long distances and dosed precisely to meet the nutritional needs of the plants. Divergent opinions on the fertilising value of struvite and its function over time call for further research on its effects on crop yields in

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Szymańska, Magdalena, Tomasz Sosulski, Ewa Szara, et al. "Ammonium Sulphate from a Bio-Refinery System as a Fertilizer—Agronomic and Economic Effectiveness on the Farm Scale." Energies 12, no. 24 (2019): 4721. http://dx.doi.org/10.3390/en12244721.

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This paper presents the results of a pot experiment aimed at the assessment of the agronomic and economic effectiveness of ammonium sulphate from an agro bio-refinery (Bio-AS). The Bio-AS was obtained by means of the ammonia stripping process from effluent after struvite precipitation from a liquid fraction of digestate. The agronomic effectiveness of Bio-AS in a pot experiment with maize and grass in two different soils, silty loam (SL) and loamy sand (LS), was investigated. The fertilising effect of Bio-AS was compared to commercial ammonium sulphate fertilizer (Com-AS) and control treatment

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Vasmara, Ciro, Stefano Cianchetta, Rosa Marchetti, Enrico Ceotto, and Stefania Galletti. "Potassium Hydroxyde Pre-Treatment Enhances Methane Yield from Giant Reed (Arundo donax L.)." Energies 14, no. 3 (2021): 630. http://dx.doi.org/10.3390/en14030630.

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The biogas production through the anaerobic digestion (AD) of giant reed (Arundo donax L.) biomass has received increasing attention. However, due to the presence of lignin, a low CH4 yield can be obtained. Aiming to improve the CH4 yield from giant reed biomass, the effectiveness of a thermo-chemical pre-treatment based on KOH was evaluated in this paper. The usefulness of a washing step before the AD was also assessed. The pre-treatment led to a specific CH4 yield up to 232 mL CH4 g−1 VS which was 21% higher than that from untreated biomass; the maximum daily rate of production was improved

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Bergonzoli, Simone, Massimo Brambilla, Elio Romano, et al. "Feeding Emitters for Microirrigation with a Digestate Liquid Fraction up to 25% Dilution Did Not Reduce Their Performance." Agronomy 10, no. 8 (2020): 1150. http://dx.doi.org/10.3390/agronomy10081150.

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Irrigation with wastewater can strongly contribute to the reduction of water abstraction in agriculture with an especial interest in arid and semiarid areas. However, its use can have drawbacks to both soil and micro-irrigation systems, especially when the total solids in the wastewater are high, such as in digestate liquid fractions (DLF) from plant material. The aim of this study was thus to evaluate the performances of a serpentine shaped micro-emitter injected with a hydrocyclone filtered DLF (HF-DLF) from corn + barley biomass and evaluate the traits of the liquid released within a 8-h ir

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Al Ramahi, Mahmood, Gábor Keszthelyi-Szabó, and Sándor Beszédes. "Coupling hydrothermal carbonization with anaerobic digestion: an evaluation based on energy recovery and hydrochar utilization." Biofuel Research Journal 8, no. 3 (2021): 1444–53. http://dx.doi.org/10.18331/brj2021.8.3.4.

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This work evaluates the effect of hydrothermal carbonization (HTC) as a pretreatment and post-treatment technique to anaerobic digestion (AD) of dairy sludge. HTC's effect on AD was evaluated based on energy recovery, nutrient transformation, and hydrochar utilization. The first approach was executed by performing HTC under a range of temperatures before mesophilic AD. HTC optimal pretreatment temperature was 210 °C for 30 min residence time. HTC pretreatment significantly increased the methane yield potential by 192%, the chemical oxygen demand removal by 18%, and the sludge biodegradability

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Qin, Lei, Dong Wei, Zhongming Wang, and Mohammad Asraful Alam. "Advantage Assessment of Mixed Culture of Chlorella vulgaris and Yarrowia lipolytica for Treatment of Liquid Digestate of Yeast Industry and Cogeneration of Biofuel Feedstock." Applied Biochemistry and Biotechnology 187, no. 3 (2018): 856–69. http://dx.doi.org/10.1007/s12010-018-2854-8.

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Luo, Hongzhen, Ana A. Robles-Aguilar, Ivona Sigurnjak, Evi Michels, and Erik Meers. "Assessing Nitrogen Availability in Biobased Fertilizers: Effect of Vegetation on Mineralization Patterns." Agriculture 11, no. 9 (2021): 870. http://dx.doi.org/10.3390/agriculture11090870.

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Biobased nitrogen (N) fertilizers derived from animal manure can substitute synthetic mineral N fertilizer and contribute to more sustainable agriculture. Practitioners need to obtain a reliable estimation of the biobased fertilizers’ N value. This study compared the estimates for pig slurry (PS) and liquid fraction of digestate (LFD) using laboratory incubation and plant-growing experiments. A no-N treatment was used as control and calcium ammonium nitrate (CAN) as synthetic mineral fertilizer. After 100 days of incubation, the addition of PS and LFD resulted in a net N mineralization rate of

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Folino, Adele, Demetrio Antonio Zema, and Paolo S. Calabrò. "Environmental and Economic Sustainability of Swine Wastewater Treatments Using Ammonia Stripping and Anaerobic Digestion: A Short Review." Sustainability 12, no. 12 (2020): 4971. http://dx.doi.org/10.3390/su12124971.

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One of the most promising systems to treat swine wastewater is air stripping. This system simultaneously recovers nitrogen salts, to be used as fertiliser, and reduces the organic pollutant load in the effluents of swine breeding farms. Several reviews have discussed the air stripping as a treatment for many types of industrial wastewater or nitrogen-rich digestate (the liquid effluent derived from the anaerobic digestion plants) for the stripping/recovery of nutrients. However, reviews about the use of air stripping as treatment for raw or anaerobically digested swine wastewater are not avail

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