TY - JOUR T1 - PRODUCTION OF FERRIC COMPLEX COMPOUNDS FOR WASTEWATER TREATMENT FROM HOT ROLLED IRON-STEEL SOLID WASTE AU - Uzun, Elif PY - 2019 DA - June Y2 - 2019 JF - The International Journal of Materials and Engineering Technology JO - TIJMET PB - Necip Fazıl YILMAZ WT - DergiPark SN - 2667-4033 SP - 1 EP - 7 VL - 2 IS - 1 LA - en AB - AbstractStudy on oxide scales ofproducts is of greater importance to manufacturers and consumers. thesesecondary and tertiary scales must be recycled because of high iron content. ifthese residues are not effectively treated, not only the environment will beseriously polluted, but also the resources will be wasted. In this study, theextraction of iron from Turkish hot rolled iron-steel oxide scale was attemptedusing atmospheric acid leaching. the effects of the several parameters whichincluded solid/liquid ratio, leaching time, leaching temperature and acidconcentration upon leaching efficiency of iron were investigated. Thevolumetric titration results showed that the amount of Fe+2and Fe+3could reach respectively %47 and %38 at 60°C temperature in 6N HCl acidconcentration during 60 minutes leaching time. Two alternative methods whichwere atmospheric evaporation and alkaline precipitation have been successfullyapplied by using leaching solution as iron chloride source. The experimentalresults show that FeCl3 was obtained by atmospheric evaporationmethod with a small amount of FeCl2. Alkaline precipitation method’sresults show that the iron was existed in ferric hydroxide formation. bothprecipitate and crystalized products have been iron products which arefrequently used as an adsorbent to remove various heavy metals (i.e., arsenicand chromium) from contaminated soil and water and also flocculation agent. KW - ferric hydroxide KW - Iron(III)chloride KW - oxide scale KW - hydrometallurg CR - 1. American Chemistry Council. 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