Author:Kalenda, TN; North, Brian C; Naude, NDate:Oct 2017Alternative dry coal beneficiation method is in high demand, especially in arid geographical environments. This dry process eliminates the need for water usage and there are suggestions that it has the benefits of high separation precision ...Read more
Author:Kalenda, TN; North, Brian C; Naude, NDate:Jul 2019Published work on dry dense medium fluidized beds has mainly used magnetite and fine coal to make up the dense medium. Magnetite is used to achieve the required cut densities, but its recovery and reuse are problematic because it attaches to ...Read more
Author:North, Brian C; Engelbrecht, Andre D; Oboirien Bilainu, O; De la Rey, J; Mashinini, LDate:Oct 2017Coal beneficiation in South Africa is currently conducted mostly on a wet “float and sink” basis. This process is heavily water intensive and also potentially polluting. Dry beneficiation alternatives are being sought. The alternative of dry ...Read more