Chemically treated oil shale ash (OSA) as a partial substitute to cement and aggregates in concrete

Oil shale ash (OSA) is released as a waste product from oil shale combustion in industrial plants. It undergoes chemical treatment producing a commodity to be used as a partial substitute to aggregates and cement in concrete. This leads to cost savings and economical and safe waste removal.

Oil Shale Ash Residue combined with neutralized acidic waste as a strengthening element in Concrete – Executive Summary