Results 11 to 20 of about 19,934 (203)

Biogas upgrading and utilization: Current status and perspectives [PDF]

open access: yesBiotechnology Advances, 2018
Biogas production is an established sustainable process for simultaneous generation of renewable energy and treatment of organic wastes. The increasing interest of utilizing biogas as substitute to natural gas or its exploitation as transport fuel opened new avenues in the development of biogas upgrading techniques.
Irini Angelidaki   +6 more
openaire   +6 more sources

Biogas Upgrading Using a Single-Membrane System: A Review [PDF]

open access: yesMembranes
In recent years, the use of biogas as a natural gas substitute has gained great attention. Typically, in addition to methane (CH4), biogas contains carbon dioxide (CO2), as well as small amounts of impurities, e.g., hydrogen sulfide (H2S), nitrogen (N2),
Wirginia Tomczak   +3 more
doaj   +2 more sources

Screening of microalgae for integral biogas slurry nutrient removal and biogas upgrading by different microalgae cultivation technology [PDF]

open access: yesScientific Reports, 2017
The microalgae-based technology has been developed to reduce biogas slurry nutrients and upgrade biogas simultaneously. In this work, five microalgal strains named Chlorella vulgaris, Scenedesmus obliquus, Selenastrum capricornutum, Nitzschia palea, and ...
Xue Wang   +4 more
doaj   +2 more sources

Technologies for Biogas Upgrading to Biomethane: A Review [PDF]

open access: yesBioengineering, 2019
The environmental impacts and high long-term costs of poor waste disposal have pushed the industry to realize the potential of turning this problem into an economic and sustainable initiative.
Amir Izzuddin Adnan   +4 more
doaj   +2 more sources

Upgrading biogas with novel composite carbon molecular sieve (CCMS) membranes: Experimental and techno-economic assessment [PDF]

open access: yes, 2020
The use of biogas as feedstock for hydrogen production was widely proposed in the literature in the last years as a strategy to reduce anthropogenic carbon emissions.
Cechetto, V.   +4 more
core   +1 more source

Biogas from Anaerobic Digestion as an Energy Vector: Current Upgrading Development

open access: yesEnergies, 2021
The present work reviews the role of biogas as advanced biofuel in the renewable energy system, summarizing the main raw materials used for biogas production and the most common technologies for biogas upgrading and delving into emerging biological ...
Raquel Iglesias   +8 more
doaj   +1 more source

Thermodynamic, economic and environmental assessment of energy systems including the use of gas from manure fermentation in the context of the Spanish potential [PDF]

open access: yes, 2020
One of the prospective technologies that can be used for energy generation in distributed systems is based on biogas production, usually involving fermentation of various types of biomass and waste.
Dufour, Javier   +4 more
core   +2 more sources

Integrating anaerobic digestion and slow pyrolysis improves the product portfolio of a cocoa waste biorefinery [PDF]

open access: yes, 2020
The integration of conversion processes with anaerobic digestion is key to increase value from agricultural waste, like cocoa pod husks, generated in developing countries. The production of one metric ton of cocoa beans generates some 15 metric tonnes of
Acosta Ortiz, Nayaret   +6 more
core   +2 more sources

A Mini-Review on In situ Biogas Upgrading Technologies via Enhanced Hydrogenotrophic Methanogenesis to Improve the Quality of Biogas From Anaerobic Digesters

open access: yesFrontiers in Energy Research, 2020
In the context of accelerating development of renewable and sustainable energy, biogas upgrading has attracted significant attention in order to yield high quality biomethane which can be utilized as an alternative to natural gas.
Le Zhang   +3 more
doaj   +1 more source

Biogas upgrading by chemical absorption using ammonia rich absorbents derived from wastewater [PDF]

open access: yes, 2014
The use of ammonia (NH3) rich wastewaters as an ecological chemical absorption solvent for the selective extraction of carbon dioxide (CO2) during biogas upgrading to ‘biomethane’ has been studied.
Jefferson, Bruce   +2 more
core   +1 more source

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