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Photodegradation of halobenzenes in water ice
2001
Klán, Petr | Del Favero, David | Ansorgová, Alena | Klánová, Jana | Holoubek, Ivan
Results from the photolysis ofo, p-dichlorobenzene, bromobenzene, andp-dibromobenzene in water ice are reported. All phototransformations appeared to be based on dehalogenation, coupling, and rearrangement reactions in ice cavities. No photosolvolysis products, i.e. products from intermolecular reactions between organic and water molecules, were found. Many of the products were very toxic substances of a high environmental risk, such as PCBs. The results support our model, in which secondary, very toxic, pollutants can be formed in ice, snow, and atmospheric ice particles from primary pollutants through the action of solar irradiation. The photoproducts may be released to the environment by ice melting and evaporation.
显示更多 [+] 显示较少 [-]Analysis of crystallized stone for reuse produced by sludge melting method discharged from sewerage treatment plant
2001
Oguchi, F. (Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Kohno, Y. | Ishikawa, T.
