Abstract
The oil-shale-dreg is the wastes after refining the oil shale to obtain the shale oil. But in the oil-shale-dreg, there are the massive mineral component, like the quartz, the feldspar, the clay ingredient and so on. After calcined, its structure becomes loose, owning the very low density and much ignition loss. In our study, we use different rate of oil-shale-dreg, bauxite and flux for granulation by using disk granulator. After high temperature we get low density Petroleum Proppant. The proppants have the high strength and the high flow conductivity. That is satisfied the national standards by adding 30% wt solid waste oil-shale-dregs residue to the bauxite.
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