Can I use this to dehydrate ethanol?

I use it for this purpose as well. Common store purchased 151 proof grain alcohol can be very pure with this. I do 2 absorption and separations to get anhydrous or nearly anhydrous ethanol A plain coffee filter or filter paper removes most of the dust/cloudiness. The rest easily settles out over a few days and the liquid can be separated from it.

What is the regeneration temperature and time for these?

Molecular sieves are definitely not a single-use material. You could do that but you're "doing it wrong." There are numerous recommendations for drying/reactivating them. Try one or more until you find one that works for you.

Would this work for oxygen concentration? (Removing N2 from O2?)

Lithium zeolite and argon zeolite are the 2 most specific types for oxygen concentration. Lithium is the most effective, but also more costly.

At what temperature do these molecular sieves regenerate?

I regen at 250 to 300 1 hr with heated air the dewpiont less then 10% other people have deferential results best to keep air moving without burning if you burn the sieves that will be less effective to absorb water molecule if you live in dry climate it takes less energy humidity plays big factor you have to experiment in your area

Hfs R Molecular Sieve 3a Zeolite 8x12 Mesh Desiccant Beads

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Description

🧪 Elevate your industrial drying game with precision and power!

INDUSTRIAL GRADE DRYING POWER - Perfect for drying unsaturated hydrocarbons and polar liquids in demanding settings
ROBUST CONTAMINATION RESISTANCE - Uniform pore structure ensures stable adsorption even under high pressure
THERMAL REGENERATION CAPABILITY - Reusable after high-temp regeneration, extending lifecycle and reducing waste
UNMATCHED MOLECULAR SIEVING AT 3 A - Selective adsorption of molecules below 3 angstroms for ultra-dry environments
PRECISION ENGINEERED 8 X 12 MESH BEADS - Optimized 1.6–2.5 mm particle size for consistent performance

HFS(R) Molecular Sieve 3A Zeolite features 8x12 mesh desiccant beads sized 1.6–2.5 mm, designed for selective adsorption of molecules under 3 angstroms. With a uniform pore structure, it offers stable, contamination-resistant drying performance under high pressure. The 500g pack is thermally regenerable at 350–600°C, making it reusable and ideal for industrial gas and liquid drying applications involving unsaturated hydrocarbons and polar liquids.

Specifications

ASIN	B06Y2B4CPK
Best Sellers Rank	#68,858 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #180 in Desiccants
Date First Available	April 5, 2017
Item Weight	1.1 pounds
Item model number	ZELOITE
Manufacturer	HFS
Product Dimensions	8.5 x 5.5 x 2 inches

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