Indonesia: Indonesia Power says that it has processed coal fly ash and bottom ash from its Adipala power plant into building materials, including cement-free ready-mix concrete, concrete blocks, paving slabs and refractory casts. The energy company also supplies ash to mine reclamation and water neutralisation projects, according to LKBN Antara News. In total, it reused 135,000t of ash by-products in 2021. The company generates 85,000t/yr fly ash and bottom ash.
Sinar Tambang Arthaestari has previous targeted Indonesia Power’s ash products for use in its cement production.