宜昌某磷尾矿工艺矿物学

曹阳阳; 唐远; 田承涛; 刘学锋; 李智力; 何东升

doi:10.3969/j.issn.1000-6532.2024.02.027

宜昌某磷尾矿工艺矿物学

1.
武汉工程大学　资源与安全工程学院，湖北　武汉　430074

2.
湖北三宁化工股份有限公司，湖北　宜昌　443200

基金项目: 国家重点研发计划项目（No. 2019YFC1905801）；湖北省尾矿（渣）资源化利用工程技术研究中心项目（No. 2019ZYYD070）；武汉工程大学科学基金研究项目（No. K2021099）

详细信息

作者简介: 曹阳阳（1994- ），男，硕士研究生，主要从事选矿工艺的研究

通讯作者: 唐远（1990-），男，副教授，博士，主要从事复杂难选矿分离理论与技术研究。

中图分类号: TD912

收稿日期: 2022-07-01

刊出日期: 2024-04-25

Process Mineralogy Research on the Phosphorus Tailings in Yichang

1.
School of Resources & Safety Engineering, Wuhan Institute of Technology, Wuhan 430074, Hubei, China

2.
Hubei Sanning Chemical Industry Co., Ltd., Yichang 430074, Hubei, China

More Information

Corresponding author: TANG Yuan, yuan.tang@wit.edu.cn

Received Date: 01 July 2022

Publish Date: 25 April 2024

摘要

摘要:
这是一篇工艺矿物学领域的论文。采用矿物表面自动定量分析系统（AMICS），对某选厂的磷尾矿进行了系统的工艺矿物学研究。着重分析了磷尾矿中的化学成分、矿物组成、矿物嵌布特征、有价组分的粒度和赋存状态以及矿物解离度等性质。结果表明：该尾矿试样中主要脉石矿物为白云石，还含少量石英。磷矿物主要为胶磷矿，以贫连生体的形式存在，磷矿物粒度微细并与脉石矿物共生关系密切。论文研究结果可为磷矿选矿工艺优化及尾矿资源综合利用提供一定的指导。
- 磷尾矿 /
- 工艺矿物学 /
- 嵌布特征 /
- 解离度
Abstract:
This is an article in the field of process mineralogy. Systematic process mineralogy study on phosphorus tailings was carried out by using the advanced mineral identification and characterization system (AMICS). The chemical compositions, mineral components, embedded characteristics of minerals, particle size, and the characteristics of liberation degree and the other characteristics were mainly studied. The results show that the gangue minerals are mainly dolomite and quartz. The phosphate mineral is mainly collophane which exists in the form of poor intergrowth. The phosphate mineral is extremely finely disseminated and closely associated with the gangue minerals. This study can provide some guidance for the optimization of phosphate ore dressing and the comprehensive utilization of tailings resources.
- Phosphorus tailings /
- Process mineralogy /
- Embedded characteristics /
- Liberation degree

HTML全文

图 1 AMICS 测定磷尾矿试样过程

Figure 1.

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图 2 磷尾矿试样扫描电镜

Figure 2.

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图 3 磷尾矿试样中主要矿物间的嵌布特征

Figure 3.

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图 4 磷尾矿试样中主要矿物嵌布粒度分析结果

Figure 4.

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表 1 试样的主要化学元素分析/%

Table 1. Chemical composition of the samples

P₂O₅	CaO	MgO	SiO₂	Al₂O₃	TFe	K₂O	MnO	Na₂O	TiO₂
2.69	31.38	19.04	2.85	0.49	0.45	0.25	0.09	0.09	0.05

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表 2 磷尾矿试样中矿物组成及相对含量/%

Table 2. Mineral components and contents of the phosphorus tailing samples

白云石	胶磷矿	石英	钾长石	透辉石	方解石	硅灰石	黄铁矿	辉石	萤石	绿泥石	金云母	生石膏	钠长石
89.85	5.71	2.05	0.36	0.33	0.26	0.26	0.07	0.04	0.01	0.01	0.01	0.01	0.01

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表 3 磷尾矿试样中胶磷矿单体解离度测定结果/%

Table 3. Collophanite liberation results in the phosphorus tailing samples

矿物名称	方解石	白云石	石英	硅灰石	白云母	透辉石	钠长石	钾长石
单体解离	28.68
二元共生关系	0.14	52.10	1.78	0.38	0.03	0.09	0.30	0.27
三元共生关系	0.13	6.89	3.32	0.31	0.04	0.49	0.00	0.09

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表 4 磷尾矿试样中白云石单体解离度测定结果/%

Table 4. Dolomite liberation results in the phosphorus tailing samples

矿物名称	方解石	石英	硅灰石	胶磷矿	黄铁矿	萤石	透辉石	钾长石	高岭石	绿泥石
单体解离	89.72
二元共生关系	0.03	0.88	0.07	5.11	0.11	0.02	0.17	0.31	0.03	0.01
三元包裹关系	0.02	0.30	0.06	0.54	0.05	0.02	0.10	0.15	0.01	0.02

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表 5 磷尾矿试样中石英单体解离度测定结果/%

Table 5. Quartz liberation results in the phosphorus tailing samples

矿物名称	方解石	白云石	硅灰石	胶磷矿	绿泥石	黄铁矿	透辉石	钙长石	钾长石
单体解离	35.00
二元共生关系	0.24	32.24	0.09	5.11	0.17	1.08	0.00	0.12	0.03
三元包裹关系	0.03	9.77	0.24	12.13	0.10	0.12	1.22	0.00	0.16

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