Abstract In a previous paper, a laboratory scale process was reported for the concentration by flotation of iron oxides from Gossan ore tailings. Further experimentation has shown that minor impurities can be removed from the iron concentrate by a combined chloridizing-volatilization-pelletizing process with the addition of a coke-calcium chloride mixture. The pellets obtained with this treatment were high in iron (64 %), while lead and arsenic were reduced from 2 and 1% respectively, to less than 0.07% each, the sulfur level was reduced from 0.64 to less than 0.01 %, copper and zinc were reduced from 0.04 and 0.03% to 0.03 and 0.01 %, respectively, bismuth from 400 ppm to less than 2ppm and silver from 43 ppm to 4 ppm. Resume On a deja rapporte un procede en echelle de laboratoire, sur la concentration par flottation des oxydes de fercontenus dans le residu de minerai de Gossan. Les impuretes minoritaires peuvent etre elimines du concentre de fer avec un procede de chloruration-volatilisation-pelletisati...