Finding best practices for automotive glazing recycling: a network optimization model
نویسنده
چکیده
NOMENCLATURE Subscripts d Dismantling procedure/unit s Storage site r Treatment unit m Market for cullet i Any procedure/unit Design variables Quantity of ELV transferred to dismantling unit d Quantity of ELV of no glazing dismantling Quantity of glazing transformed from dismantling unit d to storage site s Quantity of glazing exposed to landfill Total quantity of glazing exposed to landfill Quantity of glazing transformed from store site s to treatment unit r Quantity of cullet produced from treatment unit r to market m Quality constraints Is 1 If the dismantled glazing of d is eligible for storage site s, otherwise 0. Is 1 If the stored batch of s is eligible for treatment unit r, otherwise 0. Is 1 If the treated cullet of r is eligible for market m, otherwise 0 Model parameters N° Number of ELV going to general valorization network Ton Weight of glass per ELV = 0.042 ton Ton Weight of glass produced by dismantling procedure d % Yield of dismantling procedure d (€ Unit cost for dismantling procedure d € Average unit cost for dismantling procedure Dismantling procedure cost coefficient for procedure d € Unit cost for landfill of non-dismantled glazing procedure d € Average unit cost for landfill banal waste € Unit cost for collecting glazing from dismantler d to store site s € Average unit cost for collecting glazing to storage site Cost coefficient for collecting from dismantler d to store site s € Unit cost for storage € Average unit cost for storage 3 € Unit cost for transferring glazing from store s to treatment unit r € Average unit cost for transport glazing Cost coefficient for transport glazing from store s to treatment unit r € Unit cost for treatment in unit r Production coefficient of treatment process r € Price of cullet in market m € Cost of no glazing dismantling (e.g. penalty) Capacity limit (number or tons) of unit i Material transformation of process i
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