EJONS INTERNATIONAL JOURNAL ON MATHEMATICS, ENGINEERING & NATURAL SCIENCES ISSN 2602 - 4136

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Abstract


RECOVERY OF HEMATİTE FROM THE ASPHALTİTE BOİLER’S BOTTOM ASH BY COLUMN FLOTATİON – PLANT MODELLİNG

Clean hematite product and midsfrom theBottom ash ofSirnak asphaltite were received as midproducts and shale sequentially at third settlements in the column flotation. The cleaner products was also second cleaning stage was also managed. Ash cleaning efficiencies were investigated at varied stages by columnflotation and shale settling.The modified column flotationdesign for the optimum washing unit and the most advanced clean product was investigated. With the advanced design, the best quality iron raw materialscould be obtained by producing the cleanest product that the country needs as reductive roasted iron products. Thecombustionin the Silopi Power Station can change the ash type as hematite and ferriteeffecting thecolumn flotstion of the bottom ash of combusted asphaltite in the local areaof Şırnak. Thisdirect column flotation method could be successful in high product yield for mid products and ash silicate rejection following Humphrey spirals. The flotation yields for hematite fine under 100 micron was over 62% and 56% with grades of 54,3% Fe and 62,7% total Fe contents in thesecond and last cleaning stage end, respectively. Theslime lost at scavanger stages was decreased 19,5%,relatively in control tests of column flotation tests.



Keywords
hematite slime,ash flotation, column flotation, slime washing, bottom ash, cleaning ash, asphaltite



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