[Life cycle screening and evaluation of environmental impact of utilization of sludge from cleaning of process water from the fish industry, part 3 [flotation sludge]]

abonos aguas residuales biogas biogaz danemark denmark desechos del pescado dinamarca energia energie energy engrais environmental impact fertilizers fish industry fish wastes impact sur l'environnement impacto ambiental industria del pescado industrie du poisson lodos residuales paille paja reciclaje recycling sewage sludge straw tratamiento de aguas residuales waste disposal wastewater wastewater treatment