Results 71 to 80 of about 246,000 (389)

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

Editorial: The microbiology of the biogas process

open access: yesFrontiers in Microbiology, 2023
[Excerpt] The world is facing unprecedent challenges, related with energy crisis and climate change. Intensification of renewable energy production, with special focus on sustainable biogas and biomethane, is one of the front-line topics today. Biogas/biomethane will play a role in the transition toward climate-neutral and secure energy system ...
Ana J. Cavaleiro   +12 more
openaire   +5 more sources

The Role and Impact of Rooftop Photovoltaics in the Norwegian Energy System under Different Energy Transition Pathways

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This study investigates the impact and cost‐competitiveness of rooftop solar power in a highly hydropower‐driven northern energy system toward 2050. The role of rooftop photovoltaics (PV) is assessed under different energy transition pathways and through a sensitivity analysis aiming to disclose important barriers to PV investments in the energy system.
Stine Fleischer Myhre, Eva Rosenberg
wiley   +1 more source

Ensemble Methods with Voting Protocols Exhibit Superior Performance for Predicting Cancer Clinical Endpoints and Providing More Complete Coverage of Disease-Related Genes

open access: yesInternational Journal of Genomics, 2018
In genetic data modeling, the use of a limited number of samples for modeling and predicting, especially well below the attribute number, is difficult due to the enormous number of genes detected by a sequencing platform.
Runyu Jing   +5 more
doaj   +1 more source

Determination of Methane and Carbon Dioxide Formation Rate Constants for Semi-Continuously Fed Anaerobic Digesters

open access: yesEnergies, 2015
To optimize commercial-scale biogas production, it is important to evaluate the performance of each microbial step in the anaerobic process. Hydrolysis and methanogenesis are usually the rate-limiting steps during digestion of organic waste and by ...
Jan Moestedt   +2 more
doaj   +1 more source

Catalytic Approaches for CO2 Conversion to Value‐Added Products: An Overview of Life Cycle Assessment Studies

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
The catalytic conversion of CO2 into value‐added products provides an emerging strategy for reducing carbon emissions and improving environmental performance. This review compares different Life Cycle Assessment studies to evaluate the environmental impacts of CO2 conversion, focusing on the main challenges, technical limitations, and potential ...
Anastasia Pappa   +3 more
wiley   +1 more source

Laboratory-scale biogas production from vegetable juice waste using an IC reactor

open access: yesAcademia Green Energy
This investigation aimed to assess the performance of an internal circulation (IC) reactor in converting vegetable juice waste (VJW) into biogas and evaluating its methane content.
Boualy Vongvisith   +8 more
doaj   +1 more source

Dry anaerobic digestion of organic residues on-farm - a feasibility study [PDF]

open access: yes, 2006
Objectives The feasibility study shall answer the following questions: Are there economical and ecological advantages of on-farm dry digestion biogas plants?
Lehto, Marja   +2 more
core  

Greenhouse gas emissions from piggery and biogas digesters in the Red River Delta of Vietnam [PDF]

open access: yes, 2020
High demand for pork consumption in Vietnam has led to a shift of pig production systems from smallholder to industrial-scale farms, particularly in the Red River Delta.
Arango, Jacobo   +6 more
core  

Influence of liquid-to-biogas ratio and alkalinity on the biogas upgrading performance in a demo scale algal-bacterial photobioreactor [PDF]

open access: yes, 2019
The influence of the liquid-to-biogas ratio (L/G) and alkalinity on methane quality was evaluated in a 11.7 m3 outdoors horizontal semi-closed tubular photobioreactor interconnected to a 45-L absorption column (AC).
Díez Montero, Rubén   +6 more
core   +4 more sources

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