Method To Simultaneously Improve PCB Radiolysis Rates in Transformer Oil and To Close the Chlorine Mass Balance
The addition of alkaline 2-propanol to isooctane and transformer oil solutions of PCBs was found to increase the rate of PCB dechlorination by γ-radiolysis. Simultaneously, it facilitates the closure of the chlorine mass balance. The chlorine liberated from PCBs irradiated in alkaline 2-propanol-spi...
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| Veröffentlicht in: | Environmental science & technology 2000-08, Vol.34 (16), p.3452-3455 |
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| creator | Mincher, Bruce J Curry, Randy C Brey, Richard |
| description | The addition of alkaline 2-propanol to isooctane and transformer oil solutions of PCBs was found to increase the rate of PCB dechlorination by γ-radiolysis. Simultaneously, it facilitates the closure of the chlorine mass balance. The chlorine liberated from PCBs irradiated in alkaline 2-propanol-spiked solutions precipitated as an inorganic salt in a stoichiometric amount. This was demonstrated for an individual PCB congener (PCB 155) in isooctane and for Aroclor 1260 in transformer oil. Radiolysis rates are reported in terms of dose constants, d (kGy-1), the exponential rate constant for PCB decomposition with respect to absorbed dose. These are the highest decomposition rates yet reported for the radiolytic treatment of PCB-contaminated transformer oil. |
| doi_str_mv | 10.1021/es991095b |
| format | Article |
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Simultaneously, it facilitates the closure of the chlorine mass balance. The chlorine liberated from PCBs irradiated in alkaline 2-propanol-spiked solutions precipitated as an inorganic salt in a stoichiometric amount. This was demonstrated for an individual PCB congener (PCB 155) in isooctane and for Aroclor 1260 in transformer oil. Radiolysis rates are reported in terms of dose constants, d (kGy-1), the exponential rate constant for PCB decomposition with respect to absorbed dose. 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Sewage sludge</subject><subject>PCB</subject><subject>Physical chemistry of induced reactions (with radiations, particles and ultrasonics)</subject><subject>Pollution</subject><subject>Polychlorinated biphenyls</subject><subject>Radiation chemistry</subject><subject>Wastes</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNplkEFv1DAQhS0EEkvhwD-wEBw4BDzrOHGONIK2UksruhTExZrYjtbFG7eeLGL_PYat2gOnGWm-eW_eMPYSxDsQS3jvqetAdGp4xBaglqJSWsFjthACZNXJ5vtT9ozoWgixlEIvWDrz8zo5vkr8Mmy2ccbJpy3FHT_Z3OT0y_OL_pB_QRdS3FGg0s6eeJj4KuNEY8obn_l5iBynfyp9TOT5vPa8X8eUw-T5GRLxQ4w4Wf-cPRkxkn9xVw_Y108fV_1xdXp-dNJ_OK1QKpgr1zjXWtBjWzsna6gHLdwShB1crUenhhGlHuoW6rpTFp1WA9YNyE7bdmj1IA_Yq71uCXG79TSb67TNU7E0JThIkI0u0Ns9ZHMiyn40NzlsMO8MCPP3neb-nYV9fSeIZDGOJb0N9LCgRAtdU7BqjwWa_e_7Meafpmllq8zq4tJ0R99-fL46Vuaq8G_2PFp6OPF_-z8xk4-_</recordid><startdate>20000815</startdate><enddate>20000815</enddate><creator>Mincher, Bruce J</creator><creator>Curry, Randy C</creator><creator>Brey, Richard</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>20000815</creationdate><title>Method To Simultaneously Improve PCB Radiolysis Rates in Transformer Oil and To Close the Chlorine Mass Balance</title><author>Mincher, Bruce J ; Curry, Randy C ; Brey, Richard</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a351t-d6dd7c18f74dd3414b80d210cbd48fd5bfa38b4714495cad85ba461398c7b78b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>Catalysts</topic><topic>Chemistry</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Lubricants & lubrication</topic><topic>Other industrial wastes. Sewage sludge</topic><topic>PCB</topic><topic>Physical chemistry of induced reactions (with radiations, particles and ultrasonics)</topic><topic>Pollution</topic><topic>Polychlorinated biphenyls</topic><topic>Radiation chemistry</topic><topic>Wastes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mincher, Bruce J</creatorcontrib><creatorcontrib>Curry, Randy C</creatorcontrib><creatorcontrib>Brey, Richard</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mincher, Bruce J</au><au>Curry, Randy C</au><au>Brey, Richard</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Method To Simultaneously Improve PCB Radiolysis Rates in Transformer Oil and To Close the Chlorine Mass Balance</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. 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| identifier | ISSN: 0013-936X |
| ispartof | Environmental science & technology, 2000-08, Vol.34 (16), p.3452-3455 |
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| language | eng |
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| source | ACS Publications |
| subjects | Applied sciences Catalysts Chemistry Exact sciences and technology General and physical chemistry Lubricants & lubrication Other industrial wastes. Sewage sludge PCB Physical chemistry of induced reactions (with radiations, particles and ultrasonics) Pollution Polychlorinated biphenyls Radiation chemistry Wastes |
| title | Method To Simultaneously Improve PCB Radiolysis Rates in Transformer Oil and To Close the Chlorine Mass Balance |
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