Waste cement in concrete and mortar (market for waste cement in concrete and mortar)

Emissions generated by the activity within the product supply chain as described in ecoinvent v3.10. The product 'waste cement in concrete and mortar' is a solid waste under the category of construction and demolition wastes. It is primarily generated in construction and demolition of building infrastructure. 'waste cement in concrete and mortar' contain the following fractions: 100 % inert waste. By the database default (and per unit of reference product) 'waste cement in concrete and mortar' has 0.5% water on wet mass basis (99.5% dry matter) and it has no Carbon content. It has no heating value. 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 this by-product is used in the following processes: treatment of waste cement in concrete and mortar collection for final disposal; treatment of waste cement in concrete and mortar sorting plant. 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.