大洋锰结核中钴的赋存状态及提取实验研究

J4 ›› 2009, Vol. 39 ›› Issue (5): 824-827.

大洋锰结核中钴的赋存状态及提取实验研究

于德利¹|张培萍¹|肖国拾²|张东丽¹

1.吉林大学材料科学与工程学院|长春 130025;2.吉林大学测试科学实验研究中心|长春 130026

收稿日期:2008-11-26 出版日期:2009-09-26 发布日期:2009-09-26
通讯作者: 张培萍（1964-），女，河北宣化人，教授，博士，主要从事矿物材料研究工作，Tel: 0431-86255086 E-mail:1221zpp@163.com
作者简介:于德利(1955-)|男|吉林松原人|工程师|主要从事岩矿及材料测试研究,E-mail:yudl@jlu.edu.cn
基金资助:
中国大洋协会基金项目（DY105-01-03）

Experimental Research on Cobaltic Existence State and Distill of Ocean Manganese Nodule

YU De-li¹, ZHANG Pei-ping¹, XIAO Guo-shi², ZHANG Dong-li¹

1.College of Material Science and Engineering, Jilin University, Changchun 130025,China;2.Test Science Experiment Center, Jilin University, Changchun 130026, China

Received:2008-11-26 Online:2009-09-26 Published:2009-09-26

摘要/Abstract

摘要：

为合理有效地提取和利用大洋金属资源，在对大洋锰结核化学成分及矿物组成进行测定的基础上，采用分布溶解法对钴的赋存状态进行了分析。选择还原氨浸法对大洋锰结核中的多金属进行了浸取实验，并用铵黄铁矾法对浸取液进行了除铁及用硫化沉淀法对钴进行分离提取等实验。结果表明:大洋锰结核中钴的质量分数可达0.30%，且主要以硅酸钴、氧化钴和硫化钴的形式存在。氨浸提取可以有效地使金属离子从结核中溶出，其中钴的浸出率最高可达93.25%；铵黄铁矾法可将浸出液中的铁全部去除。提取的硫化钴中除含有少量铬外未见其它杂质元素。

关键词: 大洋锰结核, 赋存状态, 钴提取

Abstract:

To distill and utilize the ocean metallic resource effectively and reasonably, the chemical and mineral composition of the ocean manganese nodules was tested and their cobaltic existence state was analyzed. The method of reduced ammonia marinate was selected to do the distill experiment of cobalt and of other metallic elements from ocean manganese nodules and the iron in marinated solution was removed with ammoniojarosite and cobalt was separated from other metallic element with method of sulfuration deposition. The result indicates that the content of cobalt in ocean manganese nodule can reach up to 0.30% and it is hosted in cobaltic silicate, oxide and sulfide. The method of reduced ammonia marinate can dissolve many kinds of metallic elements from manganese nodule effectively with a maximum cobaltic distill ratio of 93.25%. Ammoniojarosite can remove iron from the marinated solution entirely. The distilled cobalt is pure as except trace chromium, no other metallic elements can be found in it.

Key words: ocean manganese nodules, existence state, cobaltic distill

中图分类号:

P618.62

于德利, 张培萍, 肖国拾, 张东丽. 大洋锰结核中钴的赋存状态及提取实验研究[J]. J4, 2009, 39(5): 824-827.

XU De-li, ZHANG Pei-ping, XIAO Guo-shi, ZHANG Dong-li. Experimental Research on Cobaltic Existence State and Distill of Ocean Manganese Nodule[J]. J4, 2009, 39(5): 824-827.

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