Investment enables breakthrough technology that recycles hazardous steel grinding sludge into secondary resources, delivering up to 470 kg COe savings per tonne GOTHENBURG, Sweden, June 25, 2026 /PRNewswire/ -- SKF today announced a strategic investment, together with Stephen Industries and Chalmers Ventures, in startup Anferra AB to tackle one of the industrial sector's most persistent waste challenges – hazardous steel grinding sludge. Grinding sludge is a finely powdered mixture of metal particles, abras ...