Displaying items by tag: pozzolan

Canada: Progressive Planet, a company developing pozzolan-based cementitious products, has appointed Doug Brown as a Scientific Advisor with immediate effect. Brown is a materials scientist who holds a PhD in chemistry from the University of Calgary. He has worked with the team that founded Carbon Engineering, a Canadian company that is developing industrial-scale technology to remove CO₂ directly from the atmosphere. He has also worked in the private sector in the field of green building technologies and he is a board member of the Alberta Chapter of the Canadian Green Building Council.

Cape Verde: Turkey’s OYAK is planning to invest in pozzolan extraction following a meeting between OYAK's Cement Concrete Paper Group chairman Suat Çalbiyik and prime minister Ulisses Correia e Silva. Mining activity has remained muted since Cabocem, an Italian company, closed in 2013, according to Sapo. OYAK has operations in the country via Portugal’s Cimpor, which it acquired in 2019.

Uganda: The Uganda government’s Committee on Natural Resources suspended pozzolano extraction at quarries in eastern Uganda on 14 November 2019. The Daily Monitor reported the cause of the suspension as pollution of water sources. Speaking at Tororo Cement’s Chemangal quarry, committee chair Kefa Kivanuka said that “The regulatory authorities were negligent,” and that activity at quarries was suspended until the completion of a damage assessment involving committee meetings with cement producers for the review of their pozzolano extraction licences. Besides Tororo Cement, Hima Cement, Kampala Cement and Kenya-based National Cement subsidiary Simba Cement all supply plants with pozzolano extracted in the region.