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Molecular Sieves 5A

Standard molecular sieve 5A is made from zeolite powder 5A (>70%) and binder. Binder is clay, which has little adsorption capacity. Binderless 5A transforms clay binder to zeolite 5A.

Molecular Sieves 5A

Molecular sieve 5A for hydrogen purification, also called WM molecular sieve 5A, is an excellent adsorbents speically desinged for
WM style hydrogen purification.


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Type 5A
Composition 0.80 CaO : 0.20 Na2O : 1 Al2O3: 2.0 ± 0.1 SiO2: x H2O
Description Divalent calcium ions in place of sodium cations give apertures of ~5Å which exclude molecules of effective diameter >5Å, e.g., all 4-carbon rings, and iso-compounds.
Major Applications Separation of normal paraffins frombranched-chain and cyclic hydrocarbons; removal of H2S, CO2 and mercaptans from natural gas. Molecules adsorbed include nC4H10, nC4H9OH, C3H8 to C22H46, and dichlorodifluoro-methane (Freon 12®).


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Standard molecular sieve 5A is made from zeolite powder 5A (>70%) and binder. Binder is clay, which has little adsorption capacity. Binderless 5A transforms clay binder to zeolite 5A. That means zeolite 5A composition in binderless molecular sieve 5A is 100%, that greatly increased its adsorption capacity. Hydrogen purification molecular sieve 5A is normally used in PSA hydrogen purification. Hydrogen purification 5A has the advantages of a large adsorption capacity, fast adsorption&desorption rate and high mechanical strength. Hydrogen purification molecular sieve 5A greatly increased the CO, N2 and CH4 adsorption capacity than standard molecular sieve 5A, which makes it an excellent adsorbents for PSA hydrogen purification process. Hydrogen purification molecular Sieve 5A have the shape of beads with diameter 1.6-2.5 mm (8x12 mesh).

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Stroage:

Keep hydrogen purification molecular sieve 5A in an air tight container until ready for use to avoid unintended moisture adsorption.

Packing:

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