Results 31 to 40 of about 249,076 (248)

Treatment and Valorization of Agro-Industrial Anaerobic Digestate Using Activated Carbon Followed by Spirulina platensis Cultivation

Sustainability, 2023
The increased production of biogas through the anaerobic digestion (AD) process has raised several concerns regarding the management of liquid digestate, which can present some environmental risks if not properly handled.
Ángela Sánchez-Quintero, M. Leca, S. Bennici, L. Limousy, F. Monlau, Jean-Baptiste Beigbeder   +5 more
semanticscholar   +1 more source

Impact of anaerobic digestion and centrifugation/decanting processes in bacterial communities fractions [PDF]

, 2018
The work upon which this paper is based on was co-financed by COGERSA, S.A.U. (Projects FUO-EM-138-15, FUO-139-16), IDEPA (Project IDE/2015/000245), Spanish MINECO (Project CTM2015-63864-R) and FEDER funds from European Union. Technical assistance from
Collado Alonso, Sergio, Díaz Fernández, José Mario, Díaz González, Ana Isabel, González, J. M., Laca Pérez, Adriana, Oulego Blanco, Paula   +5 more
core   +2 more sources

Anaerobic Digestion

, 2018
Anaerobic digestion (AD) is a naturally-occurring biological process in soils, sediments, ruminants, and several other anoxic environments, that cycles carbon and other nutrients, and converts organic matter into a methane-rich gas. As a biotechnology, AD is now well-established for the treatment of the organic fraction of various waste materials ...
Collins, Gavin, Van Hullebusch, Eric D., Esposito, Giovanni, Carliell Marquet, Cynthia, Fermoso, Fernando G.   +4 more
openaire   +4 more sources

Impact of Adding Anaerobic Digestate to Soil and Consequences on Crop Performance

Agronomy, 2023
Anaerobic digestate is proposed as an alternative to inorganic fertilisers, but a better understanding of how anaerobic digestates impact the soil and how plant growth is influenced is needed for wider acceptance.
Juana Hallat-Sanchez, Jo Smith, Gareth J. Norton   +2 more
doaj   +1 more source

Effect of injection depth of digestate liquid fraction on soil carbon dioxide emission and maize biomass production [PDF]

, 2016
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 CO2 emission. An un-amended soil was considered as control. The study was performed
Barbera, Antonio C., Borin, Maurizio, Maucieri, Carmelo   +2 more
core   +2 more sources

Toward New Value-Added Products Made from Anaerobic Digestate: Part 1—Study on the Effect of Moisture Content on the Densification of Solid Digestate

Sustainability, 2023
Anaerobic digestion (AD) is widely used for the sustainable treatment of biological wastes and the production of biogas. Its byproduct, digestate, is a valuable organic waste and needs appropriate management, which is one of the major concerns with a ...
G. Łysiak, R. Kulig, Jawad Kadhim Al Aridhee   +2 more
semanticscholar   +1 more source

Growth of Microalgae-Bacteria Flocs for Nutrient Recycling from Digestate and Liquid Slurry and Methane Production by Anaerobic Digestion

Applied Sciences, 2022
Biogas production by anaerobic digestion from different wastes represents a growing interest in the panel of renewable energy. Digestate has already been a subject of numerous studies as part of microalgal culturing because it is still rich in nutrients.
Olfa Béji, Nouceiba Adouani, Souhila Poncin, Huai-Zhi Li   +3 more
doaj   +1 more source

Enhanced volatile fatty acids production from Napier grass (Pennisetum purpureum) using micro-aerated anaerobic culture [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2021
The laboratory-scale horizontal acidogenic bioreactor was conducted in semi-anaerobic and strict anaerobic conditions using Napier grass (Pennisetum purpureum) as the sole substrate to determine the effects of micro-aeration on organic acids yield ...
Chayanon Sawatdeenarunat, Rotjapun Nirunsin, Sumate Chaiprapat   +2 more
doaj   +1 more source

Nitrogen and phosphorus recovery from cow digestate by struvite precipitation: Process optimization to maximize phosphorus recovery

Results in Engineering, 2023
The combination of the anaerobic digestion of waste biomass (e.g., livestock manure, energy crops and organic wastes) and the digestate treatment allows green energy to be obtained (starting from biogas/biomethane) and nutrients to be returned to the ...
S. Trotta, F. Adani, M. Fedele, M. Salvatori   +3 more
doaj   +1 more source

Integrating microalgae production with anaerobic digestion: a biorefinery approach [PDF]

, 2014
This is the peer reviewed version of the following article: [Uggetti, E. , Sialve, B. , Trably, E. and Steyer, J. (2014), Integrating microalgae production with anaerobic digestion: a biorefinery approach. Biofuels, Bioprod. Bioref, 8: 516-529.
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core   +4 more sources