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-engineered molecular sieves!

ROBUST MOLECULAR SIEVING AT 3 A - Selective drying of unsaturated hydrocarbons and polar liquids for industrial-grade purity
THERMAL REGENERATION CAPABILITY - Reusable desiccant beads with a high-temp regeneration cycle to maximize lifespan
INDUSTRIAL GRADE DRYING SOLUTION - Trusted by professionals for gas and liquid drying applications, ensuring operational excellence
SUPERIOR CONTAMINATION RESISTANCE - Uniform pore structure ensures stable performance even under high pressure
PRECISION ENGINEERED 8 X 12 MESH BEADS - Optimized particle size for consistent, high-efficiency adsorption

HFS(R) Molecular Sieve 3A Zeolite features 8x12 mesh beads (1.6-2.5mm) designed for selective adsorption of molecules smaller than 3Å. With a high equilibrium water capacity (~20%) and thermal regeneration between 350-600°C, these reusable desiccant beads deliver reliable, contamination-resistant drying for industrial gases and liquids, making them a top choice for professional applications.

Specifications

ASIN	B06Y2B4CPK
Best Sellers Rank	#34,099 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #112 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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