Treatment method of organic contaminated soil, purified modified soil and fluidized solidified soil
The invention relates to the technical field of solid waste recycling, and particularly discloses a treatment method of organic contaminated soil, purified modified soil and flow-state solidified soil. The treatment method of the organic contaminated soil comprises the following steps: adding a sulf...
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| creator | LIU XUEDONG MENG LIBIN TAN SHENGYING ZHAO LEI LI XIANGDONG CUI XING HUO JING WANG CHENGYUAN QIU JIANQING LI CHUNMEI |
| description | The invention relates to the technical field of solid waste recycling, and particularly discloses a treatment method of organic contaminated soil, purified modified soil and flow-state solidified soil. The treatment method of the organic contaminated soil comprises the following steps: adding a sulfite solution into the organic contaminated soil, and carrying out sulfonation reaction to obtain modified soil; the modified soil is subjected to thermal desorption treatment, and purified modified soil is obtained; in the thermal desorption treatment, the thermal desorption temperature ranges from 780 DEG C to 1000 DEG C, and the thermal desorption time ranges from 30 min to 70 min; the organic contaminated soil contains lignin, and the lignin accounts for at least 0.3% of the weight of the organic contaminated soil. According to the method, resource utilization of the organic contaminated soil can be achieved, and a dispersing agent does not need to be additionally added in the process of preparing the flow-state |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DISPOSAL OF SOLID WASTE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE |
| title | Treatment method of organic contaminated soil, purified modified soil and fluidized solidified soil |
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