Results 61 to 70 of about 1,044 (152)

Image analysis, methanogenic activity measurements, and molecular biological techniques to monitor granular sludge from an EGSB reactor fed with oleic acid [PDF]

open access: yes, 2003
Morphological changes in anaerobic granular sludge fed with increasing loads of oleic acid were quantified by image analysis. The combination of this technique with data on the accumulation of adsorbed long chain fatty acid and with the molecular ...
Akkermans, A. D. L.   +8 more
core   +2 more sources

Effects of compost and digestate on environment and plant production – results of two research projects [PDF]

open access: yes, 2008
A yearly amount of 9.3x106t compost and digestate derived from separately collected organic waste is produced in the 25 European Union member states. The improvement of soil properties is a major benefit of compost application.
Berner, Alfred   +4 more
core  

Biogas from manure – a new technology to close the nutrient and energy circuit on-farm [PDF]

open access: yes, 2005
The Biodynamic Research Institute in Järna developed a two-phase on-farm biogas plant. The plant digests manure of dairy cattle and organic residues originating from the farm and the surrounding food processing units containing 17.7-19.6 % total solids ...
Evers, L.   +5 more
core  

The influence of hygienisation of sewage sludge on the process of pyrolysis [PDF]

open access: yes, 2011
The aim of this work was to determine the influence of liming on the process of pyrolysis. Three samples of sludge from two wastewater treatment plants were selected for this study on pyrolysis: sludge without liming and limed sludge from the Central ...
Juchelková, Dagmar   +2 more
core   +1 more source

Mise au point sur la dépollution et la valorisation énergétique des déchets et sous-produits de distilleries par fermentation méthanique

open access: yesOENO One, 1985
La fermentation méthanique s'est rapidement implantée dans le secteur agroalimentaire pour le traitement et la valorisation énergétique des effluents.
André Bories
doaj   +1 more source

Current state and future of biogas and digestate production [PDF]

open access: yes, 2013
Over the past few years, the worldwide cost of energy has increased significantly, due to a growing global demand for energy and the decreasing availability of fossil fuel sources.
Comparetti, A.   +3 more
core  

Urban sustainable development and the challenge of French metropolitan strategies. GSPE Working Paper 11/04/2008 [PDF]

open access: yes, 2008
This article focuses on some salient issues of urban sustainable development in France, specifically with regard to six urban agglomerations: Bordeaux, Lille, Lyon, Montpellier, Nantes and Toulouse.
Hamman, Philippe.
core  

Green Algae Ulva SP. as Raw Material for Biogas Production [PDF]

open access: yes, 2015
Ulva sp. is a non edible seaweed and posses a high growth rate. Therefore, this species is potential to be developed as a raw material for biogas production. One important factor on the biogas production is to determine organic loading rate (OLR).
Kawaroe, M. (Mujizat)   +2 more
core   +3 more sources

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  

La méthanisation agricole saisie par les sciences humaines et sociales : transition énergétique versus transition écologique ?

open access: yesNatures Sciences Sociétés
Cet article éclaire le champ de recherche de la méthanisation agricole en interrogeant la tension qui ressort entre le répertoire de la transition énergétique et celui de la transition écologique lorsqu’on examine la territorialisation des acteurs et des
Hamman Philippe   +2 more
doaj   +1 more source

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