Photochemical transformation of pyrene and benzo[a]pyrene vapor-deposited on eight coal stack ashes
The photochemical decomposition of pyrene and benzo-a-pyrene, as adsorbates deposited from the vapor phase, was examined on eight coal stack ashes. Similar studies using alumina, silica gel, and controlled-porosity glass and graphite adsorbents were also performed. Phototransformation of the adsorba...
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| Veröffentlicht in: | Environ. Sci. Technol.; (United States) 1986-01, Vol.20 (1), p.86-90 |
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| container_title | Environ. Sci. Technol.; (United States) |
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| creator | Yokley, Robert A Garrison, Arlene A Wehry, E. L Mamantov, Gleb |
| description | The photochemical decomposition of pyrene and benzo-a-pyrene, as adsorbates deposited from the vapor phase, was examined on eight coal stack ashes. Similar studies using alumina, silica gel, and controlled-porosity glass and graphite adsorbents were also performed. Phototransformation of the adsorbates proceeded more slowly on any of the ash substrates than on alumina, silica, or glass surfaces. Those ashes relatively high in carbon and/or iron content were especially effective at suppressing photodegradation of adsorbed pyrene or benzo-a-pyrene. |
| doi_str_mv | 10.1021/es00143a011 |
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L</creatorcontrib><creatorcontrib>Mamantov, Gleb</creatorcontrib><creatorcontrib>Univ. of Tennessee, Knoxville</creatorcontrib><title>Photochemical transformation of pyrene and benzo[a]pyrene vapor-deposited on eight coal stack ashes</title><title>Environ. Sci. Technol.; (United States)</title><addtitle>Environ. Sci. Technol</addtitle><description>The photochemical decomposition of pyrene and benzo-a-pyrene, as adsorbates deposited from the vapor phase, was examined on eight coal stack ashes. Similar studies using alumina, silica gel, and controlled-porosity glass and graphite adsorbents were also performed. Phototransformation of the adsorbates proceeded more slowly on any of the ash substrates than on alumina, silica, or glass surfaces. Those ashes relatively high in carbon and/or iron content were especially effective at suppressing photodegradation of adsorbed pyrene or benzo-a-pyrene.</description><subject>400500 - Photochemistry</subject><subject>Applied sciences</subject><subject>AROMATICS</subject><subject>ASHES</subject><subject>Atmospheric pollution</subject><subject>BENZOPYRENE</subject><subject>CARBONACEOUS MATERIALS</subject><subject>CHEMICAL COMPOSITION</subject><subject>CHEMICAL REACTIONS</subject><subject>CHEMISTRY</subject><subject>COAL</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>CONDENSED AROMATICS</subject><subject>DECOMPOSITION</subject><subject>ENERGY SOURCES</subject><subject>Exact sciences and technology</subject><subject>FOSSIL FUELS</subject><subject>FUELS</subject><subject>HYDROCARBONS</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>MATERIALS</subject><subject>ORGANIC COMPOUNDS</subject><subject>PHOTOCHEMISTRY</subject><subject>Pollutants physicochemistry study: properties, effects, reactions, transport and distribution</subject><subject>Pollution</subject><subject>PYRENE</subject><subject>RESIDUES</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1986</creationdate><recordtype>article</recordtype><recordid>eNqN0d-L1DAQB_AgireePvkuRUQfpJpJm7R9PBd_wamHriCIhOns1PZu29QkK55_vZFdVx9EfJow-TBM8hXiNshHIBU85iAllAVKgCtiAVrJXNcaropF6hd5U5gPR-JGCOdSSlXI-ro4UqlK0GYh6Kx30VHP40C4yaLHKXTOjxgHN2Wuy-ZLzxNnOK2zlqfv7iN-2re-4ux8vubZhSHyOkueh899zMilSSEiXWQYeg43xbUON4Fv7euxeP_s6Wr5Ij998_zl8uQ0x7KAmKcnNA0ZaEsCRFUBSpYdaqqITVmlk2ENna4LACkb5I7KjnVl6pZqak1xLO7u5roQBxsobUU9uWliitZIULKqE3qwQ7N3X7Ycoh2HQLzZ4MRuG2yjpFI1GEjy_j8llEo3pdH_A1MQIBN8uIPkXQieOzv7YUR_aUHan1naP7JM-s5-7LYdeX2wv8JL4N4eYEjhdSk7GsLB1aYoq1Illu_YECJ_O1yjv7CmKiptV2fvrH7yevV2-aq26vcPIQV77rZ-SqH9dcMfltjB2A</recordid><startdate>19860101</startdate><enddate>19860101</enddate><creator>Yokley, Robert A</creator><creator>Garrison, Arlene A</creator><creator>Wehry, E. 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L ; Mamantov, Gleb</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a431t-43a99c61b4c1aa271a0e0fa5c7ce647fa56e51f58311009aefc4fe5768bc8cb63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1986</creationdate><topic>400500 - Photochemistry</topic><topic>Applied sciences</topic><topic>AROMATICS</topic><topic>ASHES</topic><topic>Atmospheric pollution</topic><topic>BENZOPYRENE</topic><topic>CARBONACEOUS MATERIALS</topic><topic>CHEMICAL COMPOSITION</topic><topic>CHEMICAL REACTIONS</topic><topic>CHEMISTRY</topic><topic>COAL</topic><topic>COMPARATIVE EVALUATIONS</topic><topic>CONDENSED AROMATICS</topic><topic>DECOMPOSITION</topic><topic>ENERGY SOURCES</topic><topic>Exact sciences and technology</topic><topic>FOSSIL FUELS</topic><topic>FUELS</topic><topic>HYDROCARBONS</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>MATERIALS</topic><topic>ORGANIC COMPOUNDS</topic><topic>PHOTOCHEMISTRY</topic><topic>Pollutants physicochemistry study: properties, effects, reactions, transport and distribution</topic><topic>Pollution</topic><topic>PYRENE</topic><topic>RESIDUES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yokley, Robert A</creatorcontrib><creatorcontrib>Garrison, Arlene A</creatorcontrib><creatorcontrib>Wehry, E. 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L</au><au>Mamantov, Gleb</au><aucorp>Univ. of Tennessee, Knoxville</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photochemical transformation of pyrene and benzo[a]pyrene vapor-deposited on eight coal stack ashes</atitle><jtitle>Environ. Sci. Technol.; (United States)</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>1986-01-01</date><risdate>1986</risdate><volume>20</volume><issue>1</issue><spage>86</spage><epage>90</epage><pages>86-90</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>The photochemical decomposition of pyrene and benzo-a-pyrene, as adsorbates deposited from the vapor phase, was examined on eight coal stack ashes. Similar studies using alumina, silica gel, and controlled-porosity glass and graphite adsorbents were also performed. Phototransformation of the adsorbates proceeded more slowly on any of the ash substrates than on alumina, silica, or glass surfaces. Those ashes relatively high in carbon and/or iron content were especially effective at suppressing photodegradation of adsorbed pyrene or benzo-a-pyrene.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>22300156</pmid><doi>10.1021/es00143a011</doi><tpages>5</tpages></addata></record> |
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| subjects | 400500 - Photochemistry Applied sciences AROMATICS ASHES Atmospheric pollution BENZOPYRENE CARBONACEOUS MATERIALS CHEMICAL COMPOSITION CHEMICAL REACTIONS CHEMISTRY COAL COMPARATIVE EVALUATIONS CONDENSED AROMATICS DECOMPOSITION ENERGY SOURCES Exact sciences and technology FOSSIL FUELS FUELS HYDROCARBONS INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY MATERIALS ORGANIC COMPOUNDS PHOTOCHEMISTRY Pollutants physicochemistry study: properties, effects, reactions, transport and distribution Pollution PYRENE RESIDUES |
| title | Photochemical transformation of pyrene and benzo[a]pyrene vapor-deposited on eight coal stack ashes |
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