Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Using GAC to Remove VOCs From Air Stripper Off‐Gas
This article focuses on the technical and economic feasibility of treating air stripper off‐gas with granular activated carbon (GAC). For dichloroethene and trichloroethene, air stripping followed by off‐gas GAC treatment was shown to be very effective and economical compared with aqueous‐phase GAC treatment, with GAC usage rates for gas‐phase adsorption being less than one half those for aqueous‐phase adsorption. Also, because gas‐phase adsorption kinetics are much faster than liquid‐phase kinetics, the required bed depth and diameter are much smaller for gas‐phase beds. Steam regeneration was found to be ineffective for regeneration gas‐phase GAC at low concentrations.
Using GAC to Remove VOCs From Air Stripper Off‐Gas
This article focuses on the technical and economic feasibility of treating air stripper off‐gas with granular activated carbon (GAC). For dichloroethene and trichloroethene, air stripping followed by off‐gas GAC treatment was shown to be very effective and economical compared with aqueous‐phase GAC treatment, with GAC usage rates for gas‐phase adsorption being less than one half those for aqueous‐phase adsorption. Also, because gas‐phase adsorption kinetics are much faster than liquid‐phase kinetics, the required bed depth and diameter are much smaller for gas‐phase beds. Steam regeneration was found to be ineffective for regeneration gas‐phase GAC at low concentrations.
Using GAC to Remove VOCs From Air Stripper Off‐Gas
Crittenden, John C. (Autor:in) / Cortright, Randy D. (Autor:in) / Rick, Brad (Autor:in) / Tang, Shin‐Ru (Autor:in) / Perram, David (Autor:in)
Journal ‐ American Water Works Association ; 80 ; 73-84
01.05.1988
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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