Optical brighteners - for paper production (optical brighteners production)

The activity generating the emissions is optical brighteners production, for paper production. The reference product is optical brighteners, for paper production. The product optical brighteners, for paper production is a fluorescent whitening agents, i.e. a substance that in solution or applied to a substrate absorbs ultraviolet light and reemits this absorbed energy as blue fluorescent light. Thus, these substances compensate for the aesthetically undesirable yellowish cast found in white industrial substrates - e.g. in paper or plastics (Siegrist et al. (2003)). A variety of different substances are in used as optical brighteners. The product optical brighteners, for paper production represents a 1:1 mixture of fluorescent whitening agent, DAS1, triazinylaminostilben type and fluorescent whitening agent, distyrylbiphenyl type The reference product amount is 1. The cut-off classification is allocatable product. The activity type is ordinary ordinary transforming activity. Please refer to the ecoinvent documentation here for full details: https://ecoquery.ecoinvent.org/3.11/cutoff/dataset/2522/documentation.