Waste polystyrene (market for waste polystyrene)

Emissions generated by the activity within the product supply chain as described in ecoinvent v3.10. The product 'waste polystyrene' is a solid waste under the category of industrial wastes. It can be sourced in many and various ways and therefore it can belong in all waste categories (commercial and institutional industrial and construction and demolition). It is primarily generated in a wide range of production activities in many different sectors. 'waste polystyrene' contain the following fractions: 100% waste polystyrene. By the database default (and per unit of reference product) 'waste polystyrene' has 0.2% water on wet mass basis (99.8% dry matter) and Carbon present is of only fossil origin (92.26% on a dry matter basis). It has a higher heating value of 38.88 MJ/kg. This kind of by-product (recyclable or waste) is generated from ordinary transforming activities and as such can be considered for modelling waste outputs of comparable composition. In the ecoinvent database treatment option/s for this by-product include: deposition (sanitary landfill unsanitary landfill) thermal (municipal incineration) uncontrolled forms of disposal (open dump open burning). Based on the aforementioned treatments this by-product receives it is a non-hazardous waste. This by-product can be modelled on two levels: treatment activity and market activity. The former one refers to the specific technology treating the by-product while the latter level represents a mix of treatments. Users are encouraged to inspect the modelling assumptions of the treatment activities and when selecting the market to additionally inspect the treatment mix. Collection and transportation of this by-product is accounted in the respective market activity users are advised to inspect and modify the average transportation distances for a case specific modelling. The cut-off classification is Waste. The activity type is market activity. The reference product amount is -1.