Activated carbon filters clean air and water by trapping chemicals you cannot see. They work through adsorption—molecules stick to millions of tiny pores inside each carbon piece.
GAC (granular activated carbon) suits large flow jobs like municipal water plants and factory exhaust. Block carbon packs tighter and works better for drinking water—less channeling, more contact time. Carbon fiber sheets fit tight spaces and handle low-pressure drops. Pick your form based on flow rate, space, and what you need to remove.
Key numbers matter. Iodine value shows capacity for small molecules—aim above 1000 mg/g for VOCs. CTC (carbon tetrachloride activity) tests bigger pores for industrial solvents. Mesh size affects speed versus contact time. Smaller grains work faster but clog sooner.
Carbon does not last forever. Pores fill up. You must replace or reactivate it. Water filters last 6–12 months. Air units need checks every 3–6 months. Industrial beds run years but need thermal reactivation offsite.
FAQ: Can I wash and reuse activated carbon filters? Rinsing removes dust, not trapped chemicals. Once saturated, replacement or professional reactivation is the only fix. Home “recharging” in sunlight is a myth.
Need the right activated carbon filter for your air or water system? Contact Yigu Sourcing and we’ll match your flow, contaminant, and budget to proven suppliers—fast.
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