Method of leaching and repairing cadmium polluted coast saline soil
The invention discloses a leaching method for Cadmium Polluted coastal saline soil, which utilizes the calcium ion in the flue gas desulfurization to substitute the Cd in an exchange state in soil and transfers the dissolved Cd into lower layer of soil profile via freshwater leaching, then Cd is ren...
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| Main Authors | , , , |
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| Format | Patent |
| Language | Chinese English |
| Published |
24.08.2011
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| Subjects | |
| Online Access | Get full text |
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| Abstract | The invention discloses a leaching method for Cadmium Polluted coastal saline soil, which utilizes the calcium ion in the flue gas desulfurization to substitute the Cd in an exchange state in soil and transfers the dissolved Cd into lower layer of soil profile via freshwater leaching, then Cd is renewedly absorbed by soil colloid at the lower layer, thereby achieving soil remediation from root and providing safety protection for planting the crop. The invention has the advantages of high pollutants removal rate and less time consumption, which can not only achieve treatment of polluted soil, but also provide a new application for the solid waste from the flue gas desulfurization. |
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| AbstractList | The invention discloses a leaching method for Cadmium Polluted coastal saline soil, which utilizes the calcium ion in the flue gas desulfurization to substitute the Cd in an exchange state in soil and transfers the dissolved Cd into lower layer of soil profile via freshwater leaching, then Cd is renewedly absorbed by soil colloid at the lower layer, thereby achieving soil remediation from root and providing safety protection for planting the crop. The invention has the advantages of high pollutants removal rate and less time consumption, which can not only achieve treatment of polluted soil, but also provide a new application for the solid waste from the flue gas desulfurization. |
| Author | TONG ZEJUN FANG JIANHONG LI QUSHENG CHEN TENGYANG |
| Author_xml | – fullname: LI QUSHENG – fullname: CHEN TENGYANG – fullname: TONG ZEJUN – fullname: FANG JIANHONG |
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| Notes | Application Number: CN2008126052 |
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| Snippet | The invention discloses a leaching method for Cadmium Polluted coastal saline soil, which utilizes the calcium ion in the flue gas desulfurization to... |
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| SubjectTerms | DISPOSAL OF SOLID WASTE PERFORMING OPERATIONS RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING |
| Title | Method of leaching and repairing cadmium polluted coast saline soil |
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