Beihai Kaite Chemical Packing Co., Ltd.

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4A Molecular Sieve

Product Details:

Place of Origin	Guangxi, China (Mainland)

Payment & Shipping Terms:

Payment Terms:	L/C,T/T

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Detailed Product Description

Chemical Formula:Na₂O·Al₂O₃·2SiO₂·9/2H₂O

Si/Al ratio:SiO₂/ Al₂O₃≈2

Pore diameter:About 4A

Use:Desiccant for gas and other material; adsorbent for Ar purification for the separation of methane, ethane and propane.

Technical parameter:

Parameter	Unit	Bead			Pellet
Size	mm	0.5-1.0	1.6-2.5	3-5	1.6	3.2
Water adsorption capacity 25,RH50%	wt	≥21.5	≥21.5	≥21.5	≥21	≥21
Abrasion	wt	≤0.2	≤0.2	≤0.2	≤0.25	≤0.25
Bulk density	g/ml	0.69-0.75	≥0.69	≥0.69	≥0.70	≥0.65
Crush Strength	N	/	≥30	≥80	≥40	≥70
Water content575,3h	wt	≤1.5	≤1.5	≤1.5	≤1.5	≤1.5
Methanol adsorption capacity	mg/g	≤140	≤140	≤140	≤140	≤140

Reactivation:

1Removal of water: Hot gas at 200-350 and pressure 0.3-0.5/2 flows through the molecular sieve bed for 3-4 hours. let temperature decreases down to 110-180, cooling.

2Removal of organics: Regeneration is achieved by means of steam treatment to remove organics, and then remove water with method 1.