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Anaerobic Digestion of Wastewater Sludge for Improved Energy Recovery: Alkaline Pretreatment Impact, Digestate Quality Assessment, and Reactor Design
Anaerobic digestion of wastewater sludge (WS) has received limited attention worldwide in many wastewater treatment plants (WWTPs). This study...
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Assessment of Anaerobic Digestate Amended with Wood Ash and Green Vegetable Matter and Impacts on Microbial Growth
Anaerobic digestion (AD) is a waste management method worldwide, that results in biogas and digestate production. The digestate remains is a...
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Use of Tannery Waste Anaerobic Digestate as Agricultural Fertilizer: An Analysis of Oat Growth and Soil Fertility
Anaerobic digestion process produces a biologically stable and potential high-value fertilizer product, digestate, which can be used as an...
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Investigation of Biochar Ratio, Pyrolysis Temperature and Digestate Type Impact Over Nitrogen Losses Along Digestate Composting
Solid digestate is often stocked or composted before its utilization due to the short legal period for soil spreading in the EU. These practices...
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Applying membrane separation technology for integrating high strength cow manure digestate treatment and microalgae cultivation in an open reactor system
Direct discharge of anaerobic digestate, which is the effluent that comes out from the anaerobic digestion process, can cause several environmental...
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Integration of Pretreated Crop Residues to Improve the Valorization of Biogas Digestate by the Black Soldier Fly (Hermetia illucens L.; Diptera: Stratiomyidae) Larvae
The growing interest in anaerobic digestion has led to an increase in the production of digestate that can be re-used. This work evaluates the...
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Integration of Anaerobic Digestion and Algal Cultivation—Prospects and Challenges
Biogas, generated through anaerobic digestion (AD) of organic feed-stocks like bio-wastes, is a sustainable and clean source of energy, capable of...
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Growth Characteristics of Photosynthetic Bacteria Cultured in Anaerobic Digestate of Sewage Sludge to be Used as Fertilizer
PurposeFollowing anaerobic co-digestion of various types of organic waste in wastewater treatment plants, the digestate can be directly used as...
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Digestate Composition Affecting N Fertiliser Value and C Mineralisation
A variety of organic feedstocks can be used for anaerobic digestion, resulting in digestates with different compositions, affecting the fertiliser...
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Reduction of the Microbial Load of Digestate by the Cultivation of Galdieria sulphuraria Under Acidic Conditions
PurposeOrganic waste streams with a high microbial load have been used as nutrient sources in the cultivation of heterotrophic microalgae. However,...
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Synergistic Addition of Polymer, Ferric Chloride, and Hydrogen Peroxide to Enhance the Post-treatment Efficiency of Thermophilic Digestate
The high-water content in thermophilic digestate (TD) poses challenges for post-treatment. Separating the water from TD involves costly polymer...
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Exploitation of Digestate from Thermophilic and Mesophilic Anaerobic Digesters Fed with Fermentable Food Waste Using the MFC Technology
This study reports on the investigation of the digestate treatment using microbial fuel cell (MFC) technology. The effluents from a thermophilic and...
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The Impact of Raw and Composted Food Waste Anaerobic Digestates on Soil Organic Carbon Management: A Pot Study
PurposeEver increasing food waste production has promoted anaerobic digestion and composting for its proper management, producing a relevant amount...
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Evaluating Business Chains and Fertilizing Capacity of Biomass Residues by Material Flow Analysis and Digestate Nutrient Balance
This study developed a circular application for organic substrates to enhance the ecosystem services and build a sustainable organic waste supply...
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Anaerobic Digestion and Microfiltration of the Liquid Fraction of Pig Slurry: N Mineralization, C-CO2 Emissions and Agricultural Value of the Products
Pig slurry contains valuable nutrients and organic matter, although its high water content makes its management and use as a fertilizer more...
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Valorization of Medical Plants Residues through Anaerobic Digestion
Over the last decade, as a response to the negative effects mainly caused by the economic crisis, young Greeks have turned to the primary sector. In...
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Impact of High-Intensity Static Magnetic Field on Chemical Properties and Anaerobic Digestion of Sewage Sludge
The increasing production of sewage sludge at global level has addressed the search for technical solutions to take advantage from it, reducing the...
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Effect of the mixing ratio on the composting of OFMSW digestate: assessment of compost quality
This study presents the results obtained in compostability tests of organic fraction of municipal solid waste (OFMSW) digestate. The final aim was to...
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Effects of urea addition on anaerobic digestion characteristics of hulless barley straw pretreated with KOH
The objective of this study was to improve the comprehensive utilization of hulless barley straw during anaerobic digestion (AD) by exploring the...
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Study on the degradability of plastics with prodegradant additives during anaerobic and aerobic biological waste treatment processes
The degradability of conventional plastic packaging specimens made from PP and PET, that were produced with novel prodegradant additives, was...
