Barite Ore Grinding Plant Nigeria
Based on the success of the barite grinding facility designed and built by Mouat in Larose, Louisiana, Halliburton contracted Mouat for the turnkey design and construction of their most recent mineral processing plant located in Dunphy, Nevada. This plant was started up in the spring of 2014.
Barite Processing Plant
Mouat provided all engineering, procurement, construction and project management associated with the project including site prep, the design and installation of the process equipment and the design and construction of the mill building and warehouse. This barite grinding plant, the largest in North America, covers 66,000 square feet including the mill building, maintenance area, bag packing room and warehouse. It has two Williams mills capable of grinding barite in excess of 90 tons per hour. The facility provides rail and truck load-out facilities and two robotic bagging and palletizing lines for shipment of pallets by truck.
Barite processing and grinding plant
After several crushing processes, we could get fine raw materials at micron level. After burned for 2.5 hours in the roaster, the raw materials will become clinkers. Then, we clean the alkaline materials off the clinkers in the water, add diluted acid into the chamber and pulp the mixture. Then, adding sulfuric acid and aluminum powder (acid solvent and bleach) into the reactor, stiring the mixture for 2.5 hours at boiling temperature. After the process, we get bleaching materials. After cleaning off the soluble mineral salts, we get the finished products through the filter pressing and drying(170℃) processes. Bleaching and ultrafine grinding are the most important steps of the process. In the bleaching step, we roast the materials to dispose of carbon and wash the materials in acid liquid (in order to get rid of colored element impurities). Therefore, it is crucial for us to strictly control the roasting time and temperature, acid concentration, bleaching time, the added amount and times of reducing agents. We use high-efficient grinder in the ultrafine grinding process with proper parameters.
Barite separation plant
We often adopt gravity concentration to separate barite. In the process, we obtain the fine barite through washing, crushing, screening, jigging or other gravity concentration processes. As the jig can handle a wide range of sizes, we could separate 0-30mm sized particles with the jig alone.
We could separate barite manually based on the differences between barite and associated minerals in terms of color and density. In accordance with the differences between barite and associated minerals in terms of color and density, we could get ores with over 88% grade with gravity concentration, a process that includes washing, desliming, screening, jigging and tabling. The process is mostly used in processing residual ore deposit. And based on the differences between barite and associated minerals in terms of physical and chemical properties on their surfaces, we could adopt flotation to separate barite. This process is mostly used in processing sedimentary ore deposit and hydrothermal barite associated with sulphide and fluorite. According to the differences between barite and iron oxide minerals in terms of magnetism, we could dispose of iron oxide mineral impurities through magnetic separation.
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