Increased biogas production at wastewater treatment plants through co-digestion of sewage sludge with grease trap sludge from a meat processing plant - Luostarinen, Sari; Luste, Sami; Sillanpää, Mika (Elsevier, 2009)
Keywords: Ys; Ra; biokaasu; mädätys; eläinrasvat; jätevesiliete; anaerobic digestion; biogas; co-digestion; grease trap sludge; sewage sludge