Y. Ishii, T. Kawai, Nobuaki Hiranaka, Hisato Takehara, H. Yara, Y. Tokashiki
{"title":"采用“还原加热分散钠法”处理Pops污染土壤，并将其回收为绿色种植材料","authors":"Y. Ishii, T. Kawai, Nobuaki Hiranaka, Hisato Takehara, H. Yara, Y. Tokashiki","doi":"10.3107/JESSS.1.11","DOIUrl":null,"url":null,"abstract":"\"RH-SP Process\" is a combined process of reductive heating for reduction of POPs (Persistent Organic Pollutants: Such as PCB, Dioxins, and Organic Chlorinate Agricultural Chemicals) from contaminated soil, and sodium dispersion for the decomposition of POPs material. We investigated the applicability of the process for three characteristic soils at Okinawa region. BHC (Benzene Hexachloride) is reduced from 10mg/kg to lower than 0.001mg/kg in each soil and PCB is also reduced from 53mg/kg to lower than 0.5μg/kg by reductive heating. Dioxins in discharged gas shows lower than 0.1ng-TEQ/m3. From the result of green planting test with treated soil, the growth rate is same as that of normal soil, and it is also confirmed that treated soil is able to be recycled for green planting.","PeriodicalId":285932,"journal":{"name":"Journal of Environmental Science for Sustainable Society","volume":"112 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"POPS CONTAMINATED SOIL TREATMENT WITH \\\"REDUCTIVE HEATING AND SODIUM DISPERSION METHOD\\\" AND ITS RECYCLING FOR MATERIAL OF GREEN PLANTING\",\"authors\":\"Y. Ishii, T. Kawai, Nobuaki Hiranaka, Hisato Takehara, H. Yara, Y. Tokashiki\",\"doi\":\"10.3107/JESSS.1.11\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\\"RH-SP Process\\\" is a combined process of reductive heating for reduction of POPs (Persistent Organic Pollutants: Such as PCB, Dioxins, and Organic Chlorinate Agricultural Chemicals) from contaminated soil, and sodium dispersion for the decomposition of POPs material. We investigated the applicability of the process for three characteristic soils at Okinawa region. BHC (Benzene Hexachloride) is reduced from 10mg/kg to lower than 0.001mg/kg in each soil and PCB is also reduced from 53mg/kg to lower than 0.5μg/kg by reductive heating. Dioxins in discharged gas shows lower than 0.1ng-TEQ/m3. From the result of green planting test with treated soil, the growth rate is same as that of normal soil, and it is also confirmed that treated soil is able to be recycled for green planting.\",\"PeriodicalId\":285932,\"journal\":{\"name\":\"Journal of Environmental Science for Sustainable Society\",\"volume\":\"112 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Environmental Science for Sustainable Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3107/JESSS.1.11\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Environmental Science for Sustainable Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3107/JESSS.1.11","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
POPS CONTAMINATED SOIL TREATMENT WITH "REDUCTIVE HEATING AND SODIUM DISPERSION METHOD" AND ITS RECYCLING FOR MATERIAL OF GREEN PLANTING
"RH-SP Process" is a combined process of reductive heating for reduction of POPs (Persistent Organic Pollutants: Such as PCB, Dioxins, and Organic Chlorinate Agricultural Chemicals) from contaminated soil, and sodium dispersion for the decomposition of POPs material. We investigated the applicability of the process for three characteristic soils at Okinawa region. BHC (Benzene Hexachloride) is reduced from 10mg/kg to lower than 0.001mg/kg in each soil and PCB is also reduced from 53mg/kg to lower than 0.5μg/kg by reductive heating. Dioxins in discharged gas shows lower than 0.1ng-TEQ/m3. From the result of green planting test with treated soil, the growth rate is same as that of normal soil, and it is also confirmed that treated soil is able to be recycled for green planting.
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