the invention relates to a method for blast cleaning using ilmenite tailings particles between 10 mesh and 250 mesh as impact abrasive material . ilmenite tailing particles are a waste product obtained in a beneficiation plant of an ilmenite ore metallurgical complex . the particles are preferably washed , dried , and screened before being used as impact abrasive material . they are separated in particle - size range to improve their efficiency for blast cleaning .