Adsorption of Chloropicrin onto Humidified Activated Carbon Surfaces
Humidified activated charcoal samples have been exposed to chloropicrin-charged test atmospheres under controlled conditions of concentration, temperature, relative humidity and flow rate. The molar ratio of displaced water:adsorbed chloropicrin was observed to increase with chloropicrin loading. Es...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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SAGE Publications
1990-09-01
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| Series: | Adsorption Science & Technology |
| Online Access: | https://doi.org/10.1177/026361749000700301 |
| _version_ | 1797284066664382464 |
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| author | P.J.C. Anstice N. Halliday J.F. Alder |
| author_facet | P.J.C. Anstice N. Halliday J.F. Alder |
| author_sort | P.J.C. Anstice |
| collection | DOAJ |
| description | Humidified activated charcoal samples have been exposed to chloropicrin-charged test atmospheres under controlled conditions of concentration, temperature, relative humidity and flow rate. The molar ratio of displaced water:adsorbed chloropicrin was observed to increase with chloropicrin loading. Estimates were made of the adsorption face areas and molecular volumes of the chloropicrin and water molecules. The ratios of adsorption face areas and molecular volumes were estimated as 3.4:1 and 7.7:1, respectively. Early in the sample challenge molar ratios up to about 3.4:1 were observed; it is proposed that these result from the adsorption of chloropicrin onto vacant sites or onto water monolayers with readsorption of water occurring elsewhere on the surface. As these pores become full, chloropicrin adsorbs in water-filled pores displacing water molecules of approximately the same total volume. |
| first_indexed | 2024-03-07T17:43:16Z |
| format | Article |
| id | doaj.art-bf6c7c160824457c8d58fb3a56c385d7 |
| institution | Directory Open Access Journal |
| issn | 0263-6174 2048-4038 |
| language | English |
| last_indexed | 2024-03-07T17:43:16Z |
| publishDate | 1990-09-01 |
| publisher | SAGE Publications |
| record_format | Article |
| series | Adsorption Science & Technology |
| spelling | doaj.art-bf6c7c160824457c8d58fb3a56c385d72024-03-02T15:48:30ZengSAGE PublicationsAdsorption Science & Technology0263-61742048-40381990-09-01710.1177/026361749000700301Adsorption of Chloropicrin onto Humidified Activated Carbon SurfacesP.J.C. Anstice0N. Halliday1J.F. Alder2Department of Instrumentation and Analytical Science, UMIST, P.O. Box 88, Manchester M60 1QD, U.K.Department of Instrumentation and Analytical Science, UMIST, P.O. Box 88, Manchester M60 1QD, U.K.Department of Instrumentation and Analytical Science, UMIST, P.O. Box 88, Manchester M60 1QD, U.K.Humidified activated charcoal samples have been exposed to chloropicrin-charged test atmospheres under controlled conditions of concentration, temperature, relative humidity and flow rate. The molar ratio of displaced water:adsorbed chloropicrin was observed to increase with chloropicrin loading. Estimates were made of the adsorption face areas and molecular volumes of the chloropicrin and water molecules. The ratios of adsorption face areas and molecular volumes were estimated as 3.4:1 and 7.7:1, respectively. Early in the sample challenge molar ratios up to about 3.4:1 were observed; it is proposed that these result from the adsorption of chloropicrin onto vacant sites or onto water monolayers with readsorption of water occurring elsewhere on the surface. As these pores become full, chloropicrin adsorbs in water-filled pores displacing water molecules of approximately the same total volume.https://doi.org/10.1177/026361749000700301 |
| spellingShingle | P.J.C. Anstice N. Halliday J.F. Alder Adsorption of Chloropicrin onto Humidified Activated Carbon Surfaces Adsorption Science & Technology |
| title | Adsorption of Chloropicrin onto Humidified Activated Carbon Surfaces |
| title_full | Adsorption of Chloropicrin onto Humidified Activated Carbon Surfaces |
| title_fullStr | Adsorption of Chloropicrin onto Humidified Activated Carbon Surfaces |
| title_full_unstemmed | Adsorption of Chloropicrin onto Humidified Activated Carbon Surfaces |
| title_short | Adsorption of Chloropicrin onto Humidified Activated Carbon Surfaces |
| title_sort | adsorption of chloropicrin onto humidified activated carbon surfaces |
| url | https://doi.org/10.1177/026361749000700301 |
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