2013年9月4日星期三

Analysis of Blue Tungsten Oxide(BTO)

Blue Tungsten Oxide
Grade
A
WO2.9 Content (%min)
99.95
Impurities
(% max)
Element
Max
Al
0.0005
As
0.0010
Bi
0.0001
Ca
0.0010
Cd
0.0001
Cr
0.0010
Co
0.0010
Cu
0.0003
Fe
0.0010
K
0.0010
Mg
0.0007
Mn
0.0010
Mo
0.0020
Na
0.0010
Ni
0.0007
P
0.0007
Pb
0.0001
S
0.0007
Sb
0.0005
Si
0.0010
Sn
0.0002
Ti
0.0010
V
0.0010
Density
2.4-2.8g/cm3
F.S.S.S.
12-19μm

You may contact us by email: sales@chinatungsten.com when you require blue tungsten oxide.

Analysis of Yellow Tungsten Oxide(YTO)

Yellow Tungsten Oxide
Grade
A1
A2
WO3 Content (%min)
99.95
99.9
Impurities
(% max)
Element
Max
Max
Al
0.0005
0.0010
As
0.0010
0.0150
Bi
0.0001
0.0010
Ca
0.0010
0.0060
Cd
0.0010
0.0010
Cr
0.0010
0.0010
Co
0.0010
0.0010
Cu
0.0003
0.0010
Fe
0.0010
0.0040
K
0.0010
0.0010
Mg
0.0007
0.0010
Mn
0.0010
0.0010
Mo
0.0020
0.1000
Na
0.0010
0.0050
Ni
0.0007
0.0010
P
0.0007
0.0050
Pb
0.0001
0.0010
S
0.0007
0.0050
Sb
0.0005
0.0010
Si
0.0010
0.0060
Sn
0.0002
0.0010
Ti
0.0010
0.0010
V
0.0010
0.0010
Density
2.4-3.0g/ cm3
0.6-1.0g/cm3
F.S.S.S.
12-20μm
0.6-1.8μm

You may contact us by email: sales@chinatungsten.com when you require yellow tungsten oxide.

2013年8月30日星期五

Tungsten Ore Recycling

Tungsten Ore Recycling is an important factor in the world’s tungsten ore supply. It is estimated that today some 30% is recycled, and the tungsten ore processing industry is able to treat almost every kind of tungsten-containing scrap and waste to recover tungsten ore and, if present, other valuable constituents.

Contaminated cemented carbide scrap, turnings, grindings and powder scrap are oxidized and chemically processed to APT in a way similar to that used for the processing of tungsten ores. If present, cobalt, tantalum and niobium are recovered in separate processing lines. Other tungsten ore containing scrap and residues might require a modified process.

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Tungsten Ore Selection Equipment

To exploitungsteng tungsten ore, you need first to get tungsten ore focus through the uncooked ore. In tungsten ore concentrator, you need some crushing equipment (breakers), ball mills, feeders, screens and conveyors for the entire plant operatungsteng.

We has gotten devoted to researching and production tungsten ore crushers and mills for almost 30 many years. We’ve quite a little of superb customers around the world. The tungsten ore crushers may be chosen from jaw crusher ( also with far more advanced JC sequence European Jaw Crusher), regular type cone crusher and short hand type cone crusher, influence crusher and new invented vertical shaft effect crusher, and so on. The grinding devices also contain Raymond mill, higher stress suspension grinding mill, new fashion MTW series European Trapezium Grinding Mill and Huge scale LM series Vertical Roller Mill aside from widespread ball mills.

You can find both stationary tungsten ore processing plant and cell crushing screening plant to your convenience. Also, you can purchase connected spare components from our company. BinQ has grown from strength to energy more than the last 30 years, contungstenuously generatungsteng file earnings and work-in-hand. We aim at pursuing best of degree brand together with you. An essential portion of attaining these objectives would be to turn out to be employer of selection for our people as well as the companion of selection to our clients.

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Tungsten Ore Dressing

Tungsten ore dressing methods are mainly hand-selected, HM election, re-election, flotation, magnetic separation and electrostatic separation. Wolframite in order to re-election dominated while scheelite flotation mainly associated. To the full recovery of useful components, improving the quality and tungsten concentrates recycling rate, currently the trend of dressing and smelting technology combined to increase the baking and Leaching and other hydrometallurgical refining methods.
Many types of tungsten ore in earth, there are mainly two; black tungsten ore (wolframite) and scheelite (calcium tungsten ore). There is a variety of ore mineral paragenesis, in order to pass the quality of mineral concentrate to meet the requirement and the associated recovery of useful mineral, generally based on the major component of the ore, taking into account the characteristic of associated component, selection process consisting of two or more method.
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Tungsten Ore Deposits

Most of the tungsten ore deposits are also spatially related to Yenshanian granites. These granites include several intrusions, isotopically dated at 160–180 m. y. and 70–100 m. y. The concentration of trace elements, especially W Mo, Sn, Ta, Nb, Li, and F are relatively high in the granites. In the granites of South China, the average WO3 is 4.35 ppm, but in Yenshanian granites, which are the youngest of these, the average WO3 is 5.16 ppm. In the youngest of Yenshanian granites, a light mica-albite granite has been identified, whose average WO3 is as high as 242.3 ppm. From this line of evidence, the tungsten ore deposits in South China are considered to be genetically related to Yenshanian granites.
Wolframite-sulfide-quartz veins and scheelite skarns provide the bulk of the reserves and production. There are many different kinds of alteration associated with the different tungsten ore deposits, but the principal ones are silicification, greisenization, potash-feldspathization and chloritization.
 
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