Characterization of refuse-derived fuel at various stages of processing

Kirklin, Duane R.; Decker, P.H.; Domalski, Eugene S.

doi:10.1016/0166-3097(85)90003-3

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“…Another reason for choosing these components is that they are biomass materials and may consequently be used to produce renewable energy. The comparison of the parameters of PBT and PBM fuels found on a semi-technical scale, refuse-derived fuel (RDF) (Kirklin et al, 1985;Manninen et al, 1997;Matunaga et al, 2008;Rotter et al, 2011) and hard coal is shown in Table 1. Analysed fuels from sewage sludge were designed for application in the process of cement clinker burning and were formed in accordance with the requirements of the cement industry.…”

Section: Technology Of Producing Fuels From Sewage Sludgementioning

confidence: 99%

Production of biosolid fuels from municipal sewage sludge: Technical and economic optimisation

Wzorek

Tańczuk

2015

Waste Manag Res

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The article presents the technical and economic analysis of the production of fuels from municipal sewage sludge. The analysis involved the production of two types of fuel compositions: sewage sludge with sawdust (PBT fuel) and sewage sludge with meat and bone meal (PBM fuel). The technology of the production line of these sewage fuels was proposed and analysed. The main objective of the study is to find the optimal production capacity. The optimisation analysis was performed for the adopted technical and economic parameters under Polish conditions. The objective function was set as a maximum of the net present value index and the optimisation procedure was carried out for the fuel production line input capacity from 0.5 to 3 t h(-1), using the search step 0.5 t h(-1). On the basis of technical and economic assumptions, economic efficiency indexes of the investment were determined for the case of optimal line productivity. The results of the optimisation analysis show that under appropriate conditions, such as prices of components and prices of produced fuels, the production of fuels from sewage sludge can be profitable. In the case of PBT fuel, calculated economic indexes show the best profitability for the capacity of a plant over 1.5 t h(-1) output, while production of PBM fuel is beneficial for a plant with the maximum of searched capacities: 3.0 t h(-1). Sensitivity analyses carried out during the investigation show that influence of both technical and economic assessments on the location of maximum of objective function (net present value) is significant.

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Section: Technology Of Producing Fuels From Sewage Sludgementioning

confidence: 99%