Regeneration of granular activated carbon loaded with toluene – Comparison of microwave and conductive heating at the same active powers

Robert Cherbański

Abstract

This paper presents a comparison of the microwave and conductive heating regeneration of granular activated carbon loaded with toluene at the same active powers. The purpose of this research was to compare desorption efficiencies and local temperature profiles for the both regeneration methods. Mass balance in the adsorbent bed was carried out by automatic sampling of the outlet gas for the GC analysis instead of weighting the adsorbent bed itself. Five experimental series were performed at constant active power of 12 W and at changing active power in the two-stage program (24 W + 12 W). It was found that the mass profiles of desorbed toluene versus time were practically overlapped for the two regeneration methods when the same active power was applied and the non-insulated vessels were used. Moreover, another comparison demonstrated that proper thermal insulation can be a decisive factor when choosing a particular regeneration method in terms of its economic viability. A comparison of the textural properties of the fresh and regenerated (after 10 successive adsorption/desorption cycles) granular activated carbon (GAC) revealed only slight differences between them. Therefore, it was concluded that the adsorption capacity of GAC is only slightly affected by the both regeneration methods.
Author Robert Cherbański (FCPE / DPKT)
Robert Cherbański,,
- Department of Process Kinetics and Thermodynamics
Journal seriesChemical Engineering and Processing : Process Intensification, ISSN 0255-2701, (A 30 pkt)
Issue year2018
Vol123
Pages148-157
Publication size in sheets0.5
Keywords in Englishmicrowaves, regeneration, granular activated carbon, toluene, VOC
ASJC Classification2209 Industrial and Manufacturing Engineering; 1508 Process Chemistry and Technology; 2102 Energy Engineering and Power Technology; 1500 General Chemical Engineering; 1600 General Chemistry
DOIDOI:10.1016/j.cep.2017.11.008
URL https://ac.els-cdn.com/S0255270117309789/1-s2.0-S0255270117309789-main.pdf?_tid=spdf-0d83aeb5-05d2-43f3-bab1-4d71ef04fa3c&acdnat=1519894156_0a49214a6532a9ef00f42bd4c45ea22d
Languageen angielski
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Cherbański R. - Regeneration of granular....pdf 2.93 MB
Score (nominal)30
ScoreMinisterial score = 30.0, 23-07-2019, ArticleFromJournal
Publication indicators WoS Citations = 4; Scopus Citations = 3; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.205; WoS Impact Factor: 2017 = 2.826 (2) - 2017=3.096 (5)
Citation count*4 (2019-08-17)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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