高磷铁矿脱磷工艺研究现状.pdfVIP

2007 12 D ec. 2007 15 6 HENAN M ETALLURGY V o. 15 N o. 6 * 毕学工 周进东 黄治成 金焱 熊玮 (, ) , , , PRE SENT INVE ST IGAT ION SITUAT ION OF DEPH OSPHOR IZAT ION PRO CE SSE S FOR H IGH PHOSPHORU S CONTENT IRON ORE S B i X uegong Zhou J indong H uang Zhicheng J in Y an X iong W e i (K ey Laboratory for FerrousM eta urgy and R esourcesU ti ization ofM ni istry of Education, W uhan University of Science and Techno ogy) AB STRACT It is an ev ident fact that sho rtag e o f iron o re resources w i ast for a ong term in our country and the reason- ab e deve opm ent and app ica tion o f the hug e iron ore resource in the w estern H ube iP rov ince have then mi portant econom ic va ues. F or th is purpo se, the paper discu ssed the present situation and future deve opm ent of phosphoru s decrease of h igh phosphorus conten t iron o res in abroad and in China, summ arized the ex isting prob em s for phosphoru s decrease fo r the tmi e be ing, focu sing on the present conditions of process deve opm ent and concerned equ ipm ent and m ate ria s fo r phosphoru s de- c reases through benef iciation and ho tm eta pretrea tm en t. K EY WORD S H igh phosphoru s content iron ores Pho spho ru s decrease Bene fic iation H ot m eta pretreatm ent 0 2000 , , , 10, 50% , , , 1 50, 10% , 1. 1 选矿工艺降磷的发展及应用 , , ,