Countercurrent washing, in metallurgical processes, using two parallel lines of repulpers and thickeners
DOI:
https://doi.org/10.3989/revmetalm.1997.v33.i1.879Keywords:
Countercurrent washing, Two lines of repulpers-thickenersAbstract
Two types of phase circulation are shown using two parallel lines of repulpers and thickeners. Each type holds two conventional flow lines for one phase. The second phase is circulated in one flow line, alternating the stages of the two conventional lines. An algorithm is presented for the simplified calculation of the operating concentrations in all the stages. A numerical application shows the possible advantages: broader range of operating concentration, larger efficiency of solute recovery, and higher number of theoretical equivalent stages. Each actual application needs the quantification of the above mentioned advantages in order to assess the economical interest of the proposed types.
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