I:Name: Ta-Nb Chemical Symbol: Ta Nb
II:The state of Ta-Nb ore in the nature
Tantalite, niobite, pyrochlore , granite, placer, Ta-Nb is generally associated and difficult to separate
III:Industry standard (mining standards)
TaNb industrial requirements

Type Cut-off Grade% Industry Grade% Minimum Minable thickness （m） The rock eliminate thickness (m)
（Ta，Nb)2O5 Ta2O5 （Ta，Nb）2O5 Ta2O5
granite pegmatite 0.012-0.015 0.007-0.008 0.022-0.026 0.012-0.014 0.8-1.5 ≥2
Granite 0.015-0.018 0.008-0.01 0.024-0.028 0.012-0.015 1.5-2 ≥4
crust of weathering 0.008-0.01 80-100g/m3 0.016-0.02 250-280 g/m3 0.5-1 —
Nb ore deposit 0.05-0.06 — 0.08-0.12 — 5 ＞5
placer 0.004-0.006 40 g/m3 0.01-0.012 250 g/m3 0.5 ≥2

IV：Quality standard of Fine powder
Ta-Nb concentrate quality requirement

Grade Type Name (NbTa)2O5mass fraction≥ ％ Ta2O5mass fraction≥ ％ impurity mass fraction≤ ％
TiO2 Si02 W03 P
First Grade I
II
III		 Ta-Nb concentrate 60
55
55		 40
38
35		 5 7 3  
 Second Grade I
II
III		 Ta-Nb concentrate
Ta-Nb concentrate
Ta-Nb concentrate		 50
45
45		 32
29
26		 6 11 3.5  
Third Grade   Ta-Nb concentrate 40 22 7 15 4  
First Grade
Second Grade		   Yttrium Ta-Nb concentrate
Yttrium TaNb Concentrate		 35
30		   4
5		 4
6		   0.5
0.5

V：We can design the production plant of different capacity.
VI：The strong point of Shanghai Daiwo Mining Machinery Co., Ltd
1.Design the professional production plant;
2.Assay Ore, Appraisal Ore;
3.Research of mining process and Plant design;
4.Equipment provide, Install and Guide;
5. Undertake Turnkey Project

Daiwo machinery is a high-tech manufacturer and supplier of Ta-Nb Process Plants. we are a leader in the R&D, manufacture, and distribution of Mining Machinery in China and our plants have shown excellent performance in Ta-Nb process plant. All our products are manufactured in accordance with ISO9001:2008 standard and ISO9001:14000 standard,so you can feel secure in using them. We provide comprehensive technical service including design, installation and maintenance. We have technical supports in many countries all over the world, if you need, we will provide you on-site service immediately.


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