Methane Production from Feather Waste Pretreated with Ca(OH) 2 : Process Development and Economical Analysis
作者： Gergely Forgács , Claes Niklasson , Ilona Sárvári Horváth , Mohammad J. Taherzadeh
DOI: 10.1007/S12649-013-9221-3
关键词: Environmental science 、 Resource recovery 、 Bioenergy 、 Waste management 、 Anaerobic digestion 、 Gate fee 、 Total dissolved solids 、 Biofuel 、 Biogas 、 Renewable resource
摘要: This study investigated the industrial application of feather waste as a substrate for anaerobic digestion. Feather was pretreated with 0–0.2 Ca(OH)2 g/g TSfeather (total solids feathers) 30–120 min at 100–120 °C, in order to increase digestibility, and enhance methane yield subsequent digestion 55 °C. Based on results batch digestion, an process developed, which can achieve 0.40 Nm3/kg VSfeather (volatile from feathers, while it fulfills animal by-product hygenization requirements well. base case pretreatment designed using SuperPro Designer® utilizing 2,500 tons feathers per year, is stream average slaughterhouse capacity 60,000 broilers day. The production cost estimated be 0.475 EUR/Nm3, investments unit requires 0.97 million EUR total capital investment, 0.25 EUR/year operating cost. However, sensitive plant capacity. Changing 625 10,000 reducing biogas 1.177 0.203 EUR/Nm3. In addition, sensitivity analysis performed investigate effect value incoming overall profitability. showed that proposed investment could considered being financially viable upgraded biomethane even without current gate fee system.
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