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Home / Useful information / Adsorptive
Substances used as adsorptives and the size of their molecules
Molecule | Critical diameter of the molecule, A | Molecular length, A |
---|---|---|
Hydrocarbons | ||
Methane | 3,8 | - |
Ethane | 4,0 | 4,6 |
Propane | 4,9 | 6,52 |
n-Butane | 4,9 | 7,78 |
n- Pentane | 4,9 | 9,04 |
n-Hexane | 4,9 | 10,34 |
n-Heptane | 4,9 | 11,5 |
Other normal paraffins | 4,9 | |
Neopentane | 7,0 | 7,08 |
Ethylene | 4,0 | 4,6 |
Propylene | 4,0 | 6,5 |
Butene -1 | 4,9 | 5,6 |
Butene-2 | 4,9 | - |
1,3-Butadiene | 5,2 | |
Cyclopropane | 4,9 | - |
Cyclohexane | 6,1 | - |
Acetylene | 2,4 | |
Benzol | 6,0 | 5,7 |
Toluol | 6,7 | - |
o-Xylene | 6,0-7,4 | - |
n- Xylene | 6,5-6,8 | - |
Thiophene | 5,3 | - |
Isobutane | 5,6 | - |
Isopentane | 5,6 | |
Acetylene | 2,4 | - |
Components of industrial gases | ||
Hydrogen | 2,4 | 3,1 |
Oxygen | 3,4 | 3,9 |
Nitrogen | 3,7 | 4,1 |
Carbon Bisulphide | 3,7 | - |
Protoxide-Nitrogen Oxide | 5,0 | - |
Ammonia | 3,6 | - |
Carbon Oxide | 2,8 | 4,1 |
COS | 2.7 | |
Water | 2,7 | 3,2 |
Carbon Dioxide | 3,1 | 4,1 |
Acid-containing organic substances | ||
Methyl alcohol | 4,0 | - |
Ethyl alcohol | 4,7 | 5,9 |
Butyl alcohol | 5,8 | - |
Acetic acid | 5,1 | |
Ether | 5,1 | |
Diethyl alcohol | 5,1 | - |
Acetaldehyde | 4,4 | - |
Ethylene oxide | 4,2 | - |
Halogens ,halogen-containing substances | ||
Bromine | 3,9 | |
Iodine | 4,3 | |
CHCl3 | 6,9 | |
CF4 | 5,5 | |
CCl4 | 6,9 | 7,1 |
CBr4 | 7,5 | 7,7 |
C(CH3)4 | 6,9 | 7,1 |
C2F6 | 5,3 | |
C2Cl6 | 6,9 | |
CF3Cl | 4,9 | |
CF2Cl2 | 4,9 | |
CF3H | 4,8 | |
CF2ClH | 4,9 | |
Rare gases | ||
Helium | 2,0 | |
Neon | 3,2 | |
Argon | 3,8 | - |
Krypton | 3,9 | |
Xenon | 4,4 | - |
Other substances | ||
Tetramethylmetane | 6,8 | 7,0 |
1,3,5- triethylbenzole | 8,2 | |
Diperfluoroethylpropylamine пропиламин | 8,7 | - |
Tripropylamine | 9,1 | - |
Hexaethylbenzole | 10,0 | - |
Triperfluorobutylamine | 11,5 | - |
Triphenylmetanol | 14,0 |
Products
Catalysts
- Microspherical cracking catalysts
- Alumina Catalyst for Sulphur Production
- Catalysts for hydrotreating of crude oil
- Catalyst KNT-702M, KNT-703М
- Catalyst KNT-704M, KNT-705M
- Catalyst KNT-720
- Catalyst KNT-721
- Catalyst KNT-910, KNT-911, KNT-912
- Catalyst KNT-930
- Catalysts of protective layer
- Hydrocracking catalyst
- KU-2FPP and KU-2FKK