Global ETD Search
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Showing 1 to 14 of 14 for “"Anaerobic Co-Digestion"”.
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Anaerobic co-digestion of municipal solid waste and sewage sludge.
… problems of municipal solid waste management, anaerobic digestion possesses the optimal combination of volume reduction, probability of success and potential for both energy and resource recovery. An innovative application of anaerobic processes is the co-digestion of sewage sludge and the …
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Anaerobic Co-digestion of Microalgae with Food Waste and Wastewater Sludge
<p>This research sought to optimize anaerobic co-digestion of microalgae biomass harvested from a wastewater treatment pond facility with locally-available wastes. The goal was to produce high methane yields and stable digestion without the need for supplemental alkalinity addition. A key research …
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Anaerobic Co-digestion of Wastewater Treatment Pond Algae with Wastewater Sludge
… harvested from wastewater treatment ponds can be anaerobically digested to produce biogas, a renewable fuel resource. However, past experiments have shown some limitations of algae digestion. Algal cell walls are thought to be resistant to digestion, and the high protein content of algae can lead …
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Optimization of anaerobic co-digestion of sewage sludge using bio-chemical substrates
Submitted in fulfillment of the requirements of the degree of Masters of Engineering: Chemical Engineering, Durban University of Technology, Durban, South Africa, 2018.
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Anaerobic Co-Digestion of High Strength Food Waste with Municipal Sewage Sludge: An assessment of Digester Performance and gas production
Anaerobic digestion is perhaps the simplest and most widely accepted method for solids and residuals management in the field of wastewater treatment. An emerging trend with regard to anaerobic digestion is the addition of additional organic or industrial wastes rich in degradable material (COD) …
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Using Anaerobic Co-Digestion With Addition of Municipal Organic Wastes and Pre-Treatment to Enhance Biogas Production From Wastewater Treatment Plant Sludge
In this project, by adding selected co-substrates and by incorporating optimum pre-treatment strategies, four experimental phases were conducted to assess the enhancement of biogas production from anaerobic co-digestion using wastewater treatment plant sludge as the primary substrate. In the first …
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Improving the anaerobic co-digestion of pelagic Sargassum and food waste into biogas and a bio-fertiliser using hydrothermal pre-treatment: Concept to application in the Caribbean
In recent years pelagic Sargassum has invaded the coastlines of the Caribbean region, Gulf of Mexico, Florida and West Africa. With intense expansion since 2011 due to environmental and oceanic anthropogenic changes, these brown seaweeds have negatively impacted aquaculture and the overall …
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Investigating factors affecting the anaerobic digestion of seaweed: modelling and experimental approaches
… sources to enhance the energy production of anaerobic systems, and thus their economic value, is one of the current research areas in the field of bioenergy production. Marine biomass represents a unique source of organic matter for the optimisation of anaerobic digestion systems and can be …
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Energy valorization of agro-industrial wastes and sweet sorghum for the production of gaseous biofuels through anaerobic digestion
… received great interest from the international community during the last decades and play a crucial role in the current CO2-mitigation policy. In this regard, energy from biomass and waste is seen as one of the most dominant future renewable energy sources. Thus, organic waste i.e. animal …
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Effect of Long Chain Fatty Acids on Anaerobic Digestion of Municiapal Sewage Sludge in Completely Mixed Reactors
… grease (FOG) are generated in large amounts by cooking and food processing. Anaerobic co-digestion with municipal sewage sludge has proven to be one of best alternatives for FOG disposal due to its high potential for biogas production. However, excessive addition of long chain fatty acid, the …
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Effect of Addition of High Strength Food Wastes on Anaerobic Digestion of Sewage Sludge
Anaerobic co-digestion of municipal sludge and food wastes high in chemical oxygen demand (COD) has been an area of interest for waste water treatment facilities looking to increase methane production, and at the same time, dispose of the wastes and increase the revenue. However, addition of food …
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Etude de l'assainissement non collectif en Afrique Subsaharienne : Application à la ville de Bujumbura
… sanitation sector in sub-Saharan African is a complex area that requires the involvement of a multidimensional approach mobilizing various actors and competencies. The main purpose of this thesis is to conduct a study integrating the three links in the sanitation chain that compose the on-site …
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Enhanced anaerobic digestion of combined wastewater sludges through solubilization of waste activated sludge
Pilot-scale research on enhancement of anaerobic co-digestion of combined primary and secondary sludges was performed, using a low-level alkaline solubilization process for the secondary sludge. Research was conducted in two phases: the first phase investigated chemical dosages of calcium hydroxide …
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IMPROVING THE CIRCULARITY OF BIODEGRADABLE BIOPLASTICS BY PRODUCING BIOGAS: A FULL-SCALE ASSESSMENT
Abstract Polylactic acid (PLA) is one of the commonly used bioplastics, promoted as a sustainable alternative to conventional plastics. Their anaerobic co-digestion with the organic fractions of municipal solid waste (OFMSW) is a promising end-of-life scenario, as it reduces pre-treatment and …