X射线荧光光谱-X射线衍射-红外光谱联用技术鉴别锰矿与锰冶炼渣

武素茹; 宋义; 谷松海; 郭芬; 孙鑫

doi:10.15898/j.cnki.11-2131/td.2015.06.009

X射线荧光光谱-X射线衍射-红外光谱联用技术鉴别锰矿与锰冶炼渣

天津出入境检验检疫局, 天津 300456

基金项目: 国家质检总局科研计划项目(2013IK019)

详细信息

作者简介: 武素茹, 工程师, 主要从事矿产品检测鉴别工作。E-mail:wusr1@tjciq.gov.cn

中图分类号: P578;P575.4;P575.5

收稿日期: 2014-09-06

修回日期: 2015-09-25

录用日期: 2015-11-10

刊出日期: 2015-06-25

Identification of Manganese Ore and Manganese Smelting Slag by X-ray Fluorescence Spectrometry, X-ray Diffraction and Fourier Transform Infrared Spectroscopy

Tianjin Entry-Exit Inspection and Quarantine Bureau, Tianjin 300456, China

Received Date: 06 September 2014

Revised Date: 25 September 2015

Accepted Date: 10 November 2015

Publish Date: 25 June 2015

摘要

摘要:
鉴别锰矿与锰冶炼渣对于锰矿进口贸易和环境保护具有重要意义, 由于锰冶炼渣与一些锰矿具有相似的元素组成, 都含有锰和硅铝镁钙等杂质元素, 仅从元素含量的高低无法准确将其鉴别。本文按国别收集我国主要进口锰矿及不同工艺的主要锰冶炼渣作为研究样品, 应用X射线荧光光谱、X射线衍射及傅里叶变换红外光谱技术相结合, 建立了锰矿与锰冶炼渣的鉴别方法。在元素组成上, 锰冶炼渣的硅含量较高, 水淬渣和空气冷却渣的钙含量较高。在物相上, 锰矿的特征物相包括软锰矿、氧化锰、方锰矿、菱锰矿等; 而锰冶炼渣因为经过冶炼的过程存在硅酸铁、锰橄榄石等特征峰, 从而对样品属性进行鉴别。红外光谱显示, 锰矿在600~400 cm^-1范围内有两个强吸收带, 并单独或者同时在1420 cm^-1处有特征吸收峰; 而锰冶炼渣在960 cm^-1左右有宽强吸收峰。本法建立了锰矿的物相谱图库及锰冶炼渣的物相特征, 并充分利用红外光谱技术作了有力佐证, 确定了锰矿及其冶炼渣的主要区别点。
- 锰矿 /
- 锰冶炼渣 /
- X射线荧光光谱法 /
- X射线衍射法 /
- 傅里叶变换红外光谱法
Abstract:
It is very important to identify manganese ore and manganese smelting slag for manganese ore import trade and environmental protection. Due to the similarity of elements in manganese smelting slag and some manganese ore, such as Mn, Si, Al, Mg, Ca and other impure elements, they cannot be identified only by the content of the elements. China's main imported manganese ore and the main manganese smelting slag samples were chosen as the research subject, which was studied by X-ray Fluorescence Spectrometry(XRF), X-ray Diffraction(XRD) and Fourier Transform Infrared Spectroscopy(FTIR). The silicon content of the manganese slag is relatively high, whereas the calcium content of the water quenching slag and air cooling slag are relatively high. The phase characteristics of manganese ore include pyrolusite, manganese oxide, bixbyite, rhodochrosite, among others. The phase characteristics of manganese smelting slag include iron silicate and tephroite because of being smelted. The characteristics of infrared absorption show that manganese ore has two strong absorption bands in the range of 600-400 cm^-1, and dependently or at the same time has infrared characteristic peaks at 1420 cm^-1. Manganese smelting slag has widely strong infrared characteristic peaks at around 960 cm^-1. The phase spectrogram database of imported manganese ore and manganese smelting slag in China has now been established. Primary differences between the manganese ore and smelting slag were determined ultimately, and were proved by FTIR.
- manganese ore /
- manganese smelting slag /
- X-ray Fluorescence Spectroscopy /
- X-ray Diffraction /
- Fourier Transform Infrared Spectroscopy

HTML全文

图 1 锰冶炼渣(a)和锰矿(b)的X射线衍射谱图

Figure 1.

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图 2 高硅锰矿(a)、菱锰矿(b)、氧化锰锰矿(c)、富锰渣(d)、水淬渣(e)和空气冷却渣(f)的红外特征谱图

Figure 2.

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表 1 进口锰矿组分含量范围

Table 1. Concentration range of the components in imported manganese ore samples

进口矿国别	组分含量(%)
进口矿国别	MnO	SiO₂	Fe₂O₃	P₂O₅	Al₂O₃	CaO	MgO	K₂O	BaO
南非	35~62	2~6	0~36	0.02~0.11	0~11	0.01~12.12	0.004~3.000	0~1.5	0~1.5
澳大利亚	36~70	3~24	2~43	0.02~0.23	2~4	0.01~8.56	0.100~2.300	0~1.5	0~1.5
加蓬	39~62	2~6	5~30	0.23~1.15	2~10	0.16~2.20	0.020~1.250	0~1.5	0~1.5
纳米比亚	45~72	2~15	3~22	0.02~0.11	0~3	0.09~1.68	0.010~2.020	0~1.5	0~6
土耳其	37~52	15~22	4~8	0.02~0.11	1~5	2.10~5.20	0.005~1.650	0~1.5	0~1.5
赞比亚	58~63	1~3	0~6	0.02~0.06	0~1	0~0.14	0~0.080	0~1.5	0~3
科特迪瓦	45~58	12~17	6~13	0.19~0.21	8~10	0~0.01	0~0.005	0~1.5	0~6
阿曼	30~32	53~57	2~3	0.02~0.09	1~2	0~0.01	0~0.005	0~1.5	0~6
摩洛哥	36~37	25~30	2~4	0.02~0.05	1~6	0.08~0.32	0.010~0.79	0~3	0~6
埃及	36~37	5~12	17~29	0.05~0.32	0~3	0.05~2.92	0.400~1.180	0~1.5	0~1.5
加纳	34~36	11~14	3~4	0.09~0.15	2~3	0.04~0.08	0~4.590	0~1.5	0~1.5
墨西哥	27~28	20~22	24~26	0.87~0.91	6~7	0~0.01	0~0.005	0~1.5	0~1.5
塞内加尔	65~66	2~5	3~5	0.02~0.14	4~6	0.01~0.35	0.120~0.170	0~1.5	0~1.5
肯尼亚	41~43	24~28	0~1	0.02~0.11	5~7	0~0.01	0~0.005	0~1.5	0~6
瑞士	48~49	7~9	9~10	0.02~0.05	约0.4	9.89~11.25	1.580~2.030	0~1.5	0~1.5
统计	27~72	1~57	0~43	0.02~0.91	0~11	0~12	0~4.59	0~3	0~6

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表 2 锰冶炼渣化学成分

Table 2. Composition of components in manganese smelting slag

锰冶炼产品	组分含量(%)
锰冶炼产品	MnO	SiO₂	CaO	MgO	Al₂O₃	Fe₂O₃	Ni	Cu	Zn
水淬渣	9.92	32.66	19.24	5.07	11.1	2.1	0.012	0.01	0.03
空气冷却渣	10.76	31.89	17.2	7.53	9.82	2.47	0.02	0.009	0.02
富锰渣	33	40.93	3.29	1.29	-	6.02	0.018	0.005	0.02

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表 3 主要进口国别的锰矿物相组成

Table 3. Phase compositions of manganese ore from major import countries

样品编号	进口矿原产国	主要物相
1	南非	氧化锰、方锰矿、菱锰矿、锂硬锰矿
2	澳大利亚	软锰矿、氧化锰、方锰矿、石英
3	加蓬	氧化锰、针铁矿、四方纤铁矿
4	纳米比亚	褐锰矿、氧化锰、六方硫锰矿、锰钡矿
5	土耳其	菱锰矿、氧化锰、碳酸钾钙石、锰白云石
6	赞比亚	褐锰矿、氧化锰
7	科特迪瓦	氧化锰、石英、镍绿泥石、白云母
8	阿曼	石英、软锰矿
9	摩洛哥	石英、氧化锰、碱硬锰矿
10	埃及	软锰矿、赤铁矿、水钙沸石、白云石
11	加纳	菱锰矿、白云母、白云石
12	墨西哥	石英、赤铁矿、方解石镁、软锰矿
13	塞内加尔	锰钾矿、锂硬锰矿、石英
14	肯尼亚	石英、氧化锰
15	瑞士	褐锰矿、方解石镁

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参考文献(15)

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X射线荧光光谱-X射线衍射-红外光谱联用技术鉴别锰矿与锰冶炼渣

天津出入境检验检疫局, 天津 300456

作者简介: 武素茹, 工程师, 主要从事矿产品检测鉴别工作。E-mail:wusr1@tjciq.gov.cn

Identification of Manganese Ore and Manganese Smelting Slag by X-ray Fluorescence Spectrometry, X-ray Diffraction and Fourier Transform Infrared Spectroscopy

Tianjin Entry-Exit Inspection and Quarantine Bureau, Tianjin 300456, China

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