Results 41 to 50 of about 204,846 (290)

Microbial Community Dynamics During Biogas Slurry and Cow Manure Compost

open access: yesJournal of Integrative Agriculture, 2013
This study evaluated the microbial community dynamics and maturation time of two compost systems: biogas slurry compost and cow manure compost, with the aim of evaluating the potential utility of a biogas slurry compost system.
Hong-yan ZHAO   +5 more
doaj   +1 more source

Enhancing Biogas Production of Corn Stover by Biogas Slurry Reflux Based on Microfiltration Membrane Filtration and Biochar Adsorption

open access: yesAgriculture, 2022
Reflux of biogas slurry is an effective way to reduce the discharge of wastewater. In order to improve the utilization efficiency of reflux fluid and reduce ammonia inhibition in an anaerobic digestion (AD) system, biogas slurry was pretreated by ...
Xiaohong Su   +4 more
doaj   +1 more source

The Effects of Biogas Slurry Irrigation on Aggregation and Stability of Fluvo-aquic Soil in Huang-Huai-Hai Plain

open access: yesGuan'gai paishui xuebao, 2022
【Objective】 Irrigation with biogas slurry is not only a way to deal with the wastes produced by livestock industry, but can also improve soil quality and facilitate nutrient availability.
TANG Jiao   +7 more
doaj   +1 more source

Performance and mechanism of Carrousel oxidation ditch and water Spinach wetland combined process in treating water hyacinth (Pontederia crassipes) biogas slurry [PDF]

open access: yesArchives of Environmental Protection, 2023
Owing to its high concentrations of nitrogen and phosphorus, the slurry from water hyacinth (Pontederia crassipes) biogas production cannot be discharged directly without further treatment.
Yaqin Yu   +3 more
doaj   +1 more source

Biogas slurry purification-lettuce growth nexus: Nutrients absorption and pollutants removal.

open access: yesScience of the Total Environment, 2023
As a main by-product of anaerobic digestion in biogas plants, biogas slurry contains a high concentration of mineral elements (such as ammonia‑nitrogen and potassium) and chemical oxygen demand (COD).
Feihong Liang   +3 more
semanticscholar   +1 more source

Particle size and metal distributions in anaerobically digested pig slurry [PDF]

open access: yes, 2008
Particle size distribution and trace element patterns were studied in a full-scale anaerobic digestion plant treating pig slurry. Mass balance was established for major (N, P, K, Ca, Fe, Mg and S) and minor (Al, Cu, Mn and Zn) elements.
Guiresse, Agnès Maritchù   +4 more
core   +1 more source

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

open access: yes, 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.   +2 more
core   +2 more sources

Temporal characterization of biogas slurry: a pre-requisite for sustainable nutrigation in crop production

open access: yesFrontiers in Sustainable Food Systems, 2023
Biogas slurry serves as a useful organic fertilizer due to its substantial nutrient content, and its characterization enables the evaluation of nutrient content and its efficient utilization.
Rashmi Yadav   +9 more
semanticscholar   +1 more source

Overview of holistic application of biogas for small scale farmers in Sub-Saharan Africa [PDF]

open access: yes, 2014
Peer ...
Orskov, Egil R.   +3 more
core   +1 more source

Overcoming organic and nitrogen overload in thermophilic anaerobic digestion of pig slurry by coupling a microbial electrolysis cell [PDF]

open access: yes, 2016
The combination of the anaerobic digestion (AD) process with a microbial electrolysis cell (MEC) coupled to an ammonia stripping unit as a post-treatment was assessed both in series operation, to improve the quality of the effluent, and in loop ...
Bonmatí Blasi, August   +2 more
core   +2 more sources

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