The acid leaching microorganism combined with iron removal quartz sand PTMS magnetic separation process
magnetic separator suppliers
The cost of using sulfuric acid, hydrochloric acid, nitric acid and hydrofluoric acid is higher, which increases the cost of iron removal. Acid liquid is highly corrosive to the equipment and requires special corrosion-resistant PTMS magnetic separation equipment, which not only increases the equipment cost, but also increases the equipment maintenance and maintenance costs. The acid used in the process of acid leaching has serious pollution to the environment, whether the acid fog generation or the acid discharge treatment is the source of environmental harm.
PTMS magnetic separation
Microbial iron removal is currently in the laboratory and small experimental stage. While the industrial application of effective iron removal is an environmentally friendly way of PTMS magnetic separation iron removal, because the microbial action process does not emit a large amount of harmful chemical substances relative to the chemical method. In addition to iron impurities, some other non-metallic impurity minerals in quartz sand also have a good removal ability,
what is magnetic separation in science?
Through reasonable acid immersion conditions, PTMS magnetic separation can simultaneously remove various impurities to improve the overall purity of quartz sand. Some microorganisms such as Aspgr Fe2O3 removal rate reaches 88.8%, and the grade of Fe2O3 in quartz sand is as low as 0.008%, which has the potential to remove iron impurities on the surface of quartz sand or in certain shapes.
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