This method has been implemented in the former Soviet Union plant tests, Kazakhstan for processing ore bismuth-containing refractory sulfide ore concentrate. The basic principle is based on the reaction: This method consumes many kinds of reagents, in addition to hydrochloric acid and sodium chloride, sodium nitrate still need, coal oil and hydrogen peroxide and other agents. The process flow is shown in Figure 1. Technical and economic indicators (concentrate consumption ∕t): HCl 185kg, NaCl 260kg, NaNO 3 3kg kerosene 3kg, H 2 O 2 6kg. Fig.1 Process flow chart of the principle of treating bismuth concentrate by hydrochloric acid nitrous acid method Key words to describe our clipping machines: high-capacity automatic clipper,Semi-Automatic Clipper,Single Table Clipper,Automatic Double Clipper,connected to the filler, for closing sausages in natural or artificial casing with two aluminum clips.
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