Used vegetable cooking oil (market for used vegetable cooking oil)

Emissions generated by the activity within the product supply chain as described in ecoinvent v3.10. The product 'used vegetable cooking oil' 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 the following waste categories: residential commercial and institutional. It is primarily generated in various industrial residential and commercial activities. 'used vegetable cooking oil' contain the following fractions: 100% vegetable oil that consists of 93.7% triglycerides and 6.7% fatty acid methyl ester. By the database default (and per unit of reference product) 'used vegetable cooking oil' has 0% water on wet mass basis (100% dry matter) and Carbon present is of only non-fossil origin (75% on a dry matter basis). It has a lower heating value of 38.4 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: biological (anaerobic digestion). Based on the aforementioned treatments this by-product receives it is a non-hazardous waste. In addition this by-product is used in the following processes: clinker production; treatment of used vegetable cooking oil purification. 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 Recyclable. The activity type is market activity. The reference product amount is 1.