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1、|维普资讯 nttp:/|第16卷第3期Vol. 16 No. 3中国有色金*学报The Chinese Journal of Nonferrous Metals2006年3月Mar. 2006文章编号；1004-0609(2006)03-0542 08大洋多金属猛结核酸浸贵液中铁猛元素的脱除鮒暮宝I r吕继有L李浩然(L北京科技大学土木与环境工稈学院北京100083；2,中国科学院过程匸尿研究所北京100080摘 要：研究了大洋爹金属链结核酸浸贵液中铁猛元索与铜、钻、镖有价金属的分离.根据溶就所含金属的特 点，选用可以回收利用的MnQ柞为Fezt的氧化剂先将Fe?+履化为FV* ；采用黄偻铁
2、矶法与Fe(OH,相结合的 二步法除铁工艺*并对溶液pH、反应温度*反应时何等操作参数进行优化，铁的沉淀犀达到99.8%,净化后辭液 中含铁輦低于O.Olg/L,钻.銅*謀、掘的回收率分別这到99.5. 93.3%,狛.百. 99. 3% ?族化沉淀分离議和 铜、牯*镰过程中,甌化钠适宜用址为理论用址的牡5倍*适宜pH值4.5,适宜覘度&OTCt沉淀时间1 h,铜、 怙、魏的机淀华在99歸左右，而猛的沉淀率仅为0. 46.关链词：尢洋多金属结孩：溶液净化；沉淀法中图分类号：TF 111,3文献标识码：ARemoval of iron and manganese element fromocea
3、n multimetallic nodules acid leaching solutionSUN Chun-bao1 i LU Ji-you1 f LI Hao-ran1(* School of Civil and Environment Engineerings University of Science and Technology Beijing*Beijing 100083, China*2. Institute of Process Engineeringt Chinese Academy of Sciences,Beijing 100080, China)Abstract: I
4、he :removal of iron and manganese element from the ocean multimetallic nodules actd leaching solution was dtscnsaed. For being recycled, MnOE was chocsed g oxygenate Fe:+ to Fei+ firstly. The two steps method was used to remove iron element from the solution+ which consists of jarosite and Fe(OH met
5、hod, and the operation parameters such as pH value* reacting temperature, reacting time were optimkedL The sedimentation rate cT iron can reach 99. 8% * the content of iron in the purified solution is below 0. 01 g/L. The recoveries of Co* Cut NiT Mn are 99* 5% , 93. 3% + 99. 6% * 99. 3% respectivel
6、y. Il is shown that the usage of Na:S i$ 4. 5 times of theory usa(?s the suitable reacting parameters are pH 4.5# temperature 80 C , and reacting time h. The sedimentation rates of Cot Cu and Ni are 99% f the sedimentation rate of Mn is only 0. 46%.Key words； ocean multiTnetailic nodule$r solution purification； sedimentation大洋多金属链结核是鉄猛氧化物在深海中的沉 积物，形狀各异*直径多在20-100 mm之间，以覆盖或浅埋的方式赋存于5 000-6 000 m海底。大 洋多金属铁结核中有工业提取价值的主要元素有 菁金确目：中国大洋彷会杯十五”资源加工费肋B(Dy95-04-05) 牧日期：2005-06-13i 修灯日期：2005-12-01柞介：孙春宅仁9闘-八男，HftlS博士題亂柞：孙春宝* 制教悅 i 扈话，010-62333766| E-maiU 9uncbs. ustb. edu. cn
大洋多金属锰结核酸浸贵液中铁锰元素的脱除
