Results 21 to 30 of about 220,558 (408)

Effect of the Substrate to Inoculum Ratios on the Kinetics of Biogas Production during the Mesophilic Anaerobic Digestion of Food Waste

open access: yesEnergies, 2022
This study evaluates the effects of the varying substrate to inoculum ratios (S:I) of 0.5, 1, 2, 3, 4, 5, and 6 (volatile solids/VS basis) on the kinetics of biogas production during batch mesophilic (35 ± 1 ℃) anaerobic digestion (AD) of simulated food ...
Aakash Khadka   +6 more
semanticscholar   +1 more source

The Equation of State of Biogas [PDF]

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2017
The presented work deals with a state behavior of real gas, biogas. Theoretical approach was utilized for processing of this work. Compressibility factor was calculated with help of two equation of state – Van der Waals equation and Redlich‑Kwong equation.
Trávníček, Petr   +2 more
openaire   +3 more sources

Biogas policies and production development in Europe: a comparative analysis of eight countries

open access: yesBiofuels, 2022
This paper compares and analyzes the relations between the biogas development and the national policy frameworks for biogas solutions in eight European countries. The policy frameworks are compared using a biogas policy model, comprising five dimensions:
M. Gustafsson, S. Anderberg
semanticscholar   +1 more source

Dynamic optimization of volatile fatty acids to enrich biohydrogen production using a deep learning neural network [PDF]

open access: yes, 2022
A new strategy was developed to investigate the effect of volatile fatty acids (VFAs) on the efficiency of biogas production with a focus on improving bio-H$_2$. The inoculum used, anaerobic granular sludge obtained from a UASB reactor treating poultry slaughterhouse wastewater, was pretreated with five different pretreatments. The relationship between
arxiv   +1 more source

Economic Conditions of Using Biodegradable Waste for Biogas Production, Using the Example of Poland and Germany

open access: yesEnergies, 2022
Biogas production is a process with great potential. It uses the biodegradable raw materials of animal, vegetable and municipal waste. The amount of municipal as well as agricultural waste is increasing every year. This waste is an unmanaged and nuisance
A. Sobczak   +5 more
semanticscholar   +1 more source

Insight Into the Role of PGPR in Sustainable Agriculture and Environment

open access: yesFrontiers in Sustainable Food Systems, 2021
A multitude of roles is played by microbes in food and agriculture that include nutrient cycling and management, organic matter decomposition and fermentation. Plant growth promoting rhizobacteria (PGPR), representing microbial groups and with ability of
Pratikhya Mohanty   +4 more
doaj   +1 more source

Cooperation in manure-based biogas production networks: An agent-based modeling approach [PDF]

open access: yes, 2018
Biogas production from manure has been proposed as a partial solution to energy and environmental concerns. However, manure markets face distortions caused by considerable unbalance between supply and demand and environmental regulations imposed for soil
Fraccascia, Luca   +3 more
core   +9 more sources

Energy Potential of Biogas Production in Ukraine

open access: yesEnergies, 2022
Manufacturing and the further utilization of biogas is an efficient way of complementing or replacing primary energy resources. Ukraine has followed the global tendency to substitute fossil energy sources with renewable ones, which particularly includes ...
O. Kucher   +8 more
semanticscholar   +1 more source

Life Cycle Assessment of high rate algal ponds for wastewater treatment and resource recovery [PDF]

open access: yesScience of the total environment 622-623, 1118-1130 (2018), 2020
The aim of this study was to assess the potential environmental impacts associated with high rate algal ponds (HRAP) systems for wastewater treatment and resource recovery in small communities. To this aim, a Life Cycle Assessment (LCA) and an economic assessment were carried out evaluating two alternatives: i) a HRAPs system for wastewater treatment ...
arxiv   +1 more source

Cultivation of lipid-producing microalgae in struvite-precipitated liquid digestate for biodiesel production

open access: yesBiotechnology for Biofuels, 2018
Background Using liquid digestate from the biogas industry as a medium to culture lipid-producing microalgae is considered mutually beneficial for digestate valorization and for reducing the cost of microalgal cultivation.
Yiqi Jiang   +6 more
doaj   +1 more source

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