Tantalum – Raw Materials and Processing Typical Market Specifications Tantalite on the international market generally contains a minimum of 30% Ta2O5, while lower grade material with a minimum of 20% Ta2O5 may also be of interest. The payable value is based on the Ta2O5 content alone, any Nb2O5 is generally ignored. Should material contain mainly Nb2O5 and only little Ta2O5, then it [...]

Most of the methods used by the recreational prospector involves granity concentration (i.e. panning, dredging, sluicing, dry washing). These methods concentrate dense material like gold from the surrounding less dense material like sandstone, dolomite and other “rock” materials. Unfortunately, there are other minerals that have densities close enough to gold that these minerals collect in [...]

Benco builds and installs turnkey processing plants from stationary primary crusher plants via complete gravel processing plants right up to hard rock processing plants with all components. The planning of a completely new plant for the aggregate, cement, lime and gypsum industries is taken care of by long-serving specialists. They lay down the required process [...]

Pulverized Mineral Processing Pulverized minerals are produced at specialized processing plants. These plants supply mineral products ranging from sizes of approximately 1 micrometer to more than 75 micrometers aerodynamic diameter. Pharmaceutical, paint, plastics, pigment, rubber, and chemical industries use these products. Due to the specialized characteristics of the mineral products and the markets for these [...]

Lead and zinc is one of the older metal human extracted from the lead-zinc ore. Lead and zinc are widely used in the electrical industry, mechanical industry, military industry, metallurgy industry, chemical industry, light industry and pharmaceutical industry and other fields. In addition, the lead metal in the nuclear industry, oil industry and other sectors [...]