Portable sand washing plant adapt to various terrains LZZG
Working principle Suit materials River pebbles granite limestone basalt coal gangue weathered sand river sand yellow sand Application range This equipment has been widely used in sand mining mine construction site highway road and bridge construction concrete mixing station water conservancy and hydropower chemical industry and other
Toward sustainable green alumina production A critical
The separated red mud was dealkalized by adding lime when washing with hot water and the final equilibrium solid phase of the red mud was hydrated garnet Li et al [99] used a highly concentrated alkali solution 650 g/L Na 2 O at 140 °C to treat high iron gibbsitic bauxite and thus achieve the low temperature digestion conversion of Al