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Potassium Titanate Whisker K2Ti4O9

  • Potassium Titanate Whisker K2Ti4O9
  • Potassium Titanate Whisker K2Ti4O9
  • Potassium Titanate Whisker K2Ti4O9
  • Potassium Titanate Whisker K2Ti4O9
  • Potassium Titanate Whisker K2Ti4O9
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Country of Origin︰China
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Product Description


Potassium Titanate Whisker K2Ti4O9

We can supply best quality Potassium Titanate K2Ti4O9 As Sewage disposal material(adsorption of heavy metal ions in waste water, Treatment of Uranium-bearing Waster water), and they can absorbs nuclear radiation pullation from air.
We can see from Potassium Titanate crystal structure, K2Ti2O5 and K2Ti4O9 are layer structure and they are monoclinic system. They all belong to C2/M point group.
In Potassium Tetratitante K2Ti4O9 whisker, titanium coordination number is 6, connected together through a total angle and coplanarity the TiO6 octahedral chain layered structure, Potassium ion K + occupy the interlayer, the interlayer spacing of 8.5Å. Level with the crystal axis parallel.
K2Ti2O5 and K2Ti4O9 are the same layered structure, but K2Ti4O9 crystal layer spacing is bigger than the interlayer spacing of the K2Ti2O5 potassium titanate crystals, thus the K2Ti4O9 crystal interlayer Potassium ion K+ has a more chemical activity.

2. The principle of Tetratitanate whisker K2Ti4O9 treatment of heavy metal ions (including nuclear waste)
K2Ti4O9 in acidic aqueous solution is very easy to form titanate (H2Ti4O9), does not affect the cation exchange and adsorption capacity. In general, the heavy metal ions in an alkaline solution and more the form of a complexing cation exist, while heavy metal cations in acidic solution form.

The ionic radius of the heavy metal ions are small, the distance between layers in the crystal structure of K2Ti4O9 can accommodate almost all of the heavy metal ions. Heavy metal ions (including radioactive heavy metal ions) and potassium tetratitanate K2Ti4O9 crystals of potassium ions in K + (or four titanate in hydrogen ion H+) ion exchange, the heavy metal ions go into the potassium tetratitanate K2Ti4O9 crystals (or four-titanate crystal) layered structure, to form a stable four-titanate heavy metal salt, so as to achieve the purpose of removing heavy metal ions.

In fact, four of the potassium titanate whiskers K2Ti4O9 used to deal with the principle of the heavy metal ions in ion exchange, more precisely, is the cation exchange of potassium ions in the heavy metal cations and potassium titanate crystals of K+ (or four titanatethe hydrogen ion H+) cation exchange, or even elimination of radioactive after treatment to remove heavy metal ions.

For the low concentration of heavy metal ions (ppm) in aqueous solution, commonly used in the extraction, concentration and enrichment of the method is too costly, and the processing speed is too slow, the amount is too small, and often can not meet the requirements, the use of potassium tetratitanate whiskers K2Ti4O9 is very easy to solve, like so easy for deionized water.

Potassium tetratitanate whisker K2Ti4O9 made from K2Ti2O5 whisker after the dissolution of potassium handling, Potassium tetratitanate whisker K2Ti4O9 can be made of hollow microspheres in the handling of the granulation, then made of the ion exchange column directly to the heavy metal ions or radioactive wastethe heavy metal ion exchange and adsorption treatment, it not only greatly increased the processing capacity, but also reduce costs.

Potassium tetratitanate whisker K2Ti4O9 to deal with heavy metal ions reached saturation, can be regenerated, the regeneration conditions are: soak in strong acidic aqueous solution, all the heavy metal ions dissolution, washed clean, and then continue to use.
K2Ti4O9 Data Sheet:
Appearance:White layer shape or rod shape crystal
Real Density:3.2±0.1
Bulk Density:0.7~0.8
Moisture Content (wt.%):≤0.3
Moisture Absorption:Absorb Moisture
Moh’s Hardness:4
Pure of K2Ti4O9 (wt.%):≥90
Crystal Length Range(μm):50~200
Crystal Dia.Range(μm):1.0~5.0
Heat Resistance Temperture:1100 ℃(in the air)
Tensile Strength:7 GPa
Young’s Moduls:280 GPa
PH:9.5~11(dispersion in water)
Thermal Expansion coefficient:6.8×10-6/℃
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