The coltan and pyrochlore can be collected by a cationic collector , and an anionic collector can also be used. The flotation effect is better with a complex collector (such as sodium hydroxy citrate). Using oleic acid as a collector, the strontium ore is best in the pH range of 6-8, and the coltan and coltan are inhibited in the acidic medium, while quartz , feldspar and dolomite are The planktonic properties are not good at any pH. Therefore, when pH=6~8, using oleic acid as a collector, it is easy to separate the bismuth ingot from the gangue such as quartz. After treating the antimony ore with 10% acid (sulfuric acid), it becomes easy to float. With the increase of the amount of acid, the floatability of the antimony ore is increased, and the effect of using sulfuric acid is better than that of using hydrochloric acid. Treatment with 1% hydrofluoric acid is similar to sulfuric acid. Using oleic acid as a collector, the concentration of sodium sulfide is 10-20 mg / liter, which can inhibit bismuth ingot and part of gangue. When a cationic collector is used, sodium sulfide initially activates some minerals such as antimony ore, but as its amount increases, the recovery of antimony ore decreases. When lanthanum is used to capture bismuth ore, a small amount of sodium silicate can suppress all minerals. Hydraulic Core Drilling Rigs / Geotechnical Exploration Small Water Well Drilling Rig Machine
Bore hole water well drilling machine is a kind of widely used portable drill machine. Water well drilling rig is suitable for drilling water well, geological survey, geological core drilling, small grouting holes, blasting holes of railway, water conservancy, bridges, dam foundation and other buildings. According to different strata, it drills by choosing different bits, such as, diamond composite films and alloy.
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3. It has hole bottom pressure gauge to be easy to master the situation in the hole
4.It also has advantage of compact structure,concentrated handle, small footprint, light weight, strong decomposition, easy to move. It can be operated in plains and mountain areas.
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Niobium-containing tantalum is tantalum minerals iron and pyrochlore. Tantalum and niobium ore containing tantalum and more is called tantalite, niobium many called columbite.