Fluoride Removal from Drinking Water
Reducing fluoride in drinking water to WHO limits using activated-alumina adsorption — for municipal and community water supply in affected regions.
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Activated Alumina
Activated Alumina AA-201
Smooth-sphere activated alumina for compressed-air and gas drying, HF removal, and defluoridation of drinking water — mechanically robust at high velocity.
Quick Answer
Activated Alumina AA-201 is a smooth-sphere aluminium oxide adsorbent used for compressed-air and gas drying, hydrogen-fluoride removal, and defluoridation of drinking water. Its high crush strength and attrition resistance suit high-velocity heatless dryers and deep fixed beds.
Qualification Data
Documents
Certifications
NSF/ANSI 61 eligible (defluoridation grade) · ISO 9001:2015
Test Standards
ASTM D4058 (attrition), ASTM D6175
Manufacturing
Medaad — Middle East
Lot Traceability
COA per batch
Product Overview
AA-201 is a highly porous, mechanically robust activated alumina supplied as smooth spheres. It is used both as a desiccant for compressed air and gas and as an adsorbent for hydrogen fluoride and fluoride ions in water treatment.
Typical Applications
Heatless and heated compressed-air dryers, guard beds protecting molecular sieve from bulk water and HF, and defluoridation of drinking water to WHO limits.
FAQ
Why use activated alumina as a guard layer?
It is inexpensive, mechanically strong, and handles bulk liquid water and HF that would otherwise damage a downstream molecular-sieve finishing bed, extending the life of the more expensive media.
Process Applications
Natural Gas Dehydration
Removing water vapour from natural gas to prevent hydrates and corrosion and to meet pipeline dew-point specification, using molecular-sieve TSA adsorption.
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PSA Nitrogen Generation
Generating high-purity nitrogen on site from compressed air using carbon molecular sieve in a pressure-swing adsorption cycle — for blanketing, purging, and…
ViewCompatible Systems
Coalescing Filtration Skid
Two-stage coalescer/separator skid removing fine dispersed hydrocarbons and solids from water down to single-digit ppm — a polishing stage after gravity separation.
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PSA Nitrogen Generation Package
On-site pressure-swing adsorption nitrogen generator using carbon molecular sieve — purities from 95 % to 99.999 % for blanketing, purging, and inerting.
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Twin-Tower TSA Gas Dehydration Unit
Continuous-duty temperature-swing adsorption dehydration package for natural gas, engineered by PuraSpecs to ASME VIII / PED with integrated regeneration heater and cooler.
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