Cement - pozzolana and fly ash 6-14% (cement production - pozzolana and fly ash 6-14%)

Emissions generated by the activity within the product supply chain as described in ecoinvent v3.8. The product "cement, pozzolana and fly ash 6-14%" represents cement of type CP II-Z (Brazil), also known as pozzolan-modified Portland cement. CP II-Z is a blended cement that is made by partially replacing 6-14% of Portland cement with fly ash, which is a waste from power stations, and pozzolana. Natural pozzolanas include volcanic ashes, opaline shales, and cherts that contain reactive compounds of silicon and/or aluminium. Fly ash is a synthetic pozzolana. The cut-off classification is allocatable product. The activity type is ordinary transforming activity. The reference product amount is 1.