Results 111 to 120 of about 22,963 (197)

Enhancing the Agronomic Value of Anaerobic Digestate: A Review of Current vs. Emerging Technologies, Challenges and Future Directions

open access: yesAgriculture
Global concerns about resource depletion, climate change, and nutrient pollution in aquatic systems are compelling a transition towards zero-waste industries.
Nimesha Senevirathne, Prasad Kaparaju
doaj   +1 more source

Costs of Producing Biogas at Dairy Farms in The Netherlands [PDF]

open access: yes
By 2020, Dutch dairy chains envisage to be self‐sufficient with regard to energy used by dairy farms and dairy processors. This would require dairy farms to produce 25 PJ per year, possibly by a combination of wind, solar and biogas.
Gebrezgabher, Solomie A.   +2 more
core   +1 more source

Recycling of phosphorus and ammonia nitrogen from digestate [PDF]

open access: yes, 2018
Digestate from biogas plants, formed by dewatering anaerobically stabilized sludge, is characteristic of high concentrations of phosphates and ammonia nitrogen suitable for further use.
Calábková, Katrin   +3 more
core  

Testing the impact of waste from anaerobic digestion (enriched with an organic component on the quality of agricultural land) [PDF]

open access: yes, 2017
Waste from anaerobic digestion is considered as a mineral fertilizer and it is usually applied to agricultural land. The aim of our attempt was to enrich this waste from anaerobic digestion (digestate) with an organic component (in our case represented ...
Bártková, Magdaléna   +3 more
core  

Application of Cassava-Peels and Palm-Oil-Sludge Digestate on Bean Crop for Sustainable Growth

open access: yesCovenant Journal of Engineering Technology
This study investigates the potential of using digestate, a byproduct of anaerobic digestion, as organic manure in sustainable agriculture. The digestate was processed using a constructed screw press, separating it into liquid and solid components, with
David Olukanni   +3 more
doaj  

Research on a New Method of Water Recovery from Biogas Plant Digestate

open access: yesEnergies
Digestate is a product with valuable fertilizing properties, remaining after the anaerobic fermentation process. An essential feature of the substance in question is its high water content of up to 97%.
Mateusz Nowak   +3 more
doaj   +1 more source

Biogas nutrient management in organic cropping - not only a nitrogen issue [PDF]

open access: yes, 2013
Nutrient imbalance, mainly due to low K and high Ca and/or Mg concentrations, was a plausible explanation for low growth response to digestate fertilisation by beetroot following harvested grass-clover biogas ley.
Asp, H., Gunnarsson, A.
core  

Characterisation of untreated and treated biodegradable wastes [PDF]

open access: yes, 2007
As part of a Defra sponsored project (WRT220), approximately 40 biodegradable wastes were characterised according to biodegradability (DR4 and BM100), total PTE content, C:N ratio and biochemical composition.
Blakey, N.   +4 more
core  

Performance-based criteria for safe and circular digestate use in agriculture. [PDF]

open access: yesSci Rep
Anacleto TM   +8 more
europepmc   +1 more source

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