Finnish materials technology company Betolar and limestone company Nordkalk have started a joint research project to explore new uses for circular calcite. Circular calcite is a byproduct derived from flotation tailings at Nordkalk’s Lappeenranta site in Finland. The agreement sets out plans for a potential long-term partnership focused on commercialising circular calcite for applications in construction or mining, pending technical validation and market evaluation. Betolar president and CEO Tuija Kalpa ...