In 2019, work was completed on the infill of four shafts in Essex with high density concrete. The concrete was designed to act as a plug to resist hydrostatic pressure uplift caused by the close proximity of the River Thames.
PRESS RELEASE: LKAB produces Apatite from mine waste in a new pilot plant
29 May 2020
LKAB is developing technology to recycle mine waste to produce phosphorus mineral fertilisers, rare earth elements (REEs), fluorine and gypsum, in a project called ReeMAP. The first step is to use the mine waste to produce an apatite concentrate, something LKAB is now doing in their pilot plant.