Hydrometallurgical process and recovery of valuable elements for limonitic laterite: A review

IF 3.7 3区工程技术 Q2 ENGINEERING, CHEMICAL Chinese Journal of Chemical Engineering Pub Date : 2024-09-01 DOI:10.1016/j.cjche.2024.05.011

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Abstract

Nickel is a strategic resource in social life and defense technology, playing an essential role in many fields, such as alloys and batteries. With the decrease in nickel sulfide, it is of great significance to extract nickel from laterite. The limonitic laterite is a kind of rich nickel-cobalt-scandium resource. At present, there are few reviews on the extraction of limonitic laterite. This study reviews the hydrometallurgical processes for limonitic laterite ores and the methods of recovering valuable elements. The mineralogical characteristics are analyzed, and the typical mineral compositions are summarized. The main hydrometallurgical processes are compared and discussed, including reduction roasting-ammonia leaching, sulfuric acid pressure leaching, nitric acid pressure leaching, and the atmospheric nitric acid leaching (DNi process). The methods of recovering nickel, cobalt, scandium, and iron are emphatically outlined. Finally, reasonable suggestions are proposed for comprehensive utilization. This study can provide a reference for industrial development and diversified applications.

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红土褐铁矿的水冶工艺和有价元素回收：综述

镍是社会生活和国防科技中的战略资源，在合金和电池等诸多领域发挥着不可或缺的作用。随着硫化镍的减少，从红土中提取镍具有重要意义。褐铁矿红土是一种丰富的镍钴钪资源。目前，有关红土褐铁矿提取的综述很少。本研究综述了红土褐铁矿的湿法冶金工艺和有价元素的回收方法。分析了矿物学特征，总结了典型的矿物组成。比较并讨论了主要的湿法冶金工艺，包括还原焙烧-氨浸出法、硫酸压力浸出法、硝酸压力浸出法和常压硝酸浸出法（DNi 工艺）。重点概述了镍、钴、钪和铁的回收方法。最后，提出了综合利用的合理建议。本研究可为工业发展和多元化应用提供参考。

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来源期刊

Chinese Journal of Chemical Engineering 工程技术-工程：化工

CiteScore

6.60

自引率

5.30%

发文量

4309

审稿时长

31 days

期刊介绍： The Chinese Journal of Chemical Engineering (Monthly, started in 1982) is the official journal of the Chemical Industry and Engineering Society of China and published by the Chemical Industry Press Co. Ltd. The aim of the journal is to develop the international exchange of scientific and technical information in the field of chemical engineering. It publishes original research papers that cover the major advancements and achievements in chemical engineering in China as well as some articles from overseas contributors. The topics of journal include chemical engineering, chemical technology, biochemical engineering, energy and environmental engineering and other relevant fields. Papers are published on the basis of their relevance to theoretical research, practical application or potential uses in the industry as Research Papers, Communications, Reviews and Perspectives. Prominent domestic and overseas chemical experts and scholars have been invited to form an International Advisory Board and the Editorial Committee. It enjoys recognition among Chinese academia and industry as a reliable source of information of what is going on in chemical engineering research, both domestic and abroad.