Adsorption in air treatment
Article REF: G1770 V2

Adsorption in air treatment

Author : Pierre LE CLOIREC

Publication date: October 10, 2017 | Lire en français

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Overview

ABSTRACT

Adsorption on activated carbon is one of the most widely used processes in air treatment. After describing the mechanisms of transfer and adsorption of molecules in a gaseous phase onto a solid surface, adsorbents, and especially activated carbon, are presented. Different technologies are described according to their industrial applications: type of gaseous effluent to be treated (volatile organic compounds, odors, etc.), concentrations and flows. Regeneration methods are also discussed.

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AUTHOR

  • Pierre LE CLOIREC: University Professor, Director of ENSCR - École nationale supérieure de chimie de Rennes, France

 INTRODUCTION

Among the technologies available for air and gas treatment and purification, processes involving the transfer and interaction of a compound present in a gas phase with the surface of a porous material are widely used [G 1700][G 1835][J 3921] . They are used in the purification of gases [BE 8856] as well as liquids. These adsorption processes make it possible to eliminate a large number of molecules present in a gaseous phase, such as volatile organic compounds (VOCs) [G 1835][J 3928] , odorous molecules or dioxins and furans [G 1820] ... Their implementation makes it possible to treat a wide range of concentrations, from high-level emissions (a few g ·...

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KEYWORDS

VOC   |   adsorption   |   activated carbon   |   odors   |   air

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