2006•Environmental Science & TechnologyRequires access

Treatment of Formaldehyde from Indoor Air by Modified Activated Carbon

Fan Xue-juan

Abstract

Formaldehyde from indoor air is treated by modified activated carbon. The effects on formaldehyde adsorption efficiency were investigated, and adsorption curve of modified activated carbon was measured. Results indicated that activated carbon modified by NaHSO3 and Na2CO3 can adsorb formaldehyde over 60%, which can meet indoor air quality standard. The adsorption mechanism of the modified activated carbon was also described through scan electron microscopy.

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Key concepts: Activated carbon, Formaldehyde, Adsorption, Indoor air quality, Carbon fibers, Chemistry, Indoor air, Chemical engineering