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Method for Treatment of Arsenc-contaminated Sol Background of the Invention
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | (75) Inventors: Toru Ida, Kobe-shi (JP); Hiroshi Publication Classification Murakami, Kobe-shi (JP); Yutaka (51) Int. Cl. Inada, Kobe-shi (JP) B09B 3/00 (2006.01) (52) U.S. Cl. ........................................................ 588/256 Correspondence Address: (57) ABSTRACT REED SMITH LLP SUTE 14OO 3110 FARVIEW PARK DR Disclosed herein is a method for treatment of arsenic-con EALLS CHURCH VA 22032 taminated soil, said method being capable of insolubilizing 9 arsenic compounds (in organic form or trior pentavalent inorganic form), thereby reducing their leaching level below (73) Assignee: Kabushiki Kaisha Kobe Seiko Sho the environmental standard value for soil. The method con sists of heating arsenic-contaminated soil at 200 to 700° C. and mixing the heated Soil with a calcium compound and (21) Appl. No.: 11/291,822 water. The method also consists of mixing arsenic-contami nated Soil with a calcium compound, heating the mixed soil at (22) Filed: Dec. 2, 2005 200 to 700° C., and mixing the heated soil with water. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/34/2e/99/db57b2c0cc59a7/US20080139867A1.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |