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 Zeolite 8x12 Mesh Desiccant Beads Reusable

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Description

💧 Stay dry, stay ahead — the ultimate molecular sieve for pros who demand precision.

PRECISION PARTICLE SIZE - Uniform 8x12 mesh beads (1.6-2.5mm) for consistent, reliable adsorption performance.
SELECTIVE MOLECULAR SIEVING - Efficiently traps molecules smaller than 3Å, perfect for drying sensitive industrial gases and polar liquids.
HIGH TEMPERATURE REGENERATION - Easily reusable with thermal regeneration at 350-600°C, extending product lifecycle and cutting costs.
INDUSTRIAL GRADE DRYING POWER - Optimized for demanding gas and liquid drying applications, trusted by labs and industries alike.
ROBUST CONTAMINATION RESISTANCE - Stable adsorption under high pressure with enhanced resistance to contaminants ensures long-lasting efficiency.

HFS(R) Molecular Sieve Zeolite 8X12 Mesh Desiccant Beads (500g) deliver industrial-grade drying with uniform 1.6-2.5mm beads, selective 3Å molecular adsorption, and thermal regeneration up to 600°C. Engineered for high-pressure stability and contamination resistance, this reusable desiccant is ideal for drying unsaturated hydrocarbons and polar solvents in professional lab and industrial settings.

Specifications

ASIN	B06Y2B4CPK
Best Sellers Rank	#87,439 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #176 in Desiccants
Date First Available	April 5, 2017
Is Discontinued By Manufacturer	No
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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