Remediation method for heavy metal contaminated soil
The invention relates to the technical field of soil microbial remediation, in particular to a remediation method for heavy metal contaminated soil, which comprises the following steps: step 1, activating and culturing magnetotactic bacteria to obtain activated bacterial liquid; 2, the heavy metal c...
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| creator | CHU WEILIANG SHANG KANKAN YE SUFEN HAN MENGMENG ZHANG GUOWEI JU WENYAN |
| description | The invention relates to the technical field of soil microbial remediation, in particular to a remediation method for heavy metal contaminated soil, which comprises the following steps: step 1, activating and culturing magnetotactic bacteria to obtain activated bacterial liquid; 2, the heavy metal contaminated soil blocks are smashed and subjected to impurity removal, and pure heavy metal contaminated soil particles are obtained; thirdly, the heavy metal contaminated soil is repaired through magnetotactic bacteria, the magnetotactic bacteria move downwards under the action of a geomagnetic field, and heavy metal in the bottom-layer mixed solution is fully adsorbed; 4, soil and magnetotactic bacteria are separated, upper-layer standing liquid making contact with the electromagnet is collected, and lower-layer soil is backfilled to the original position; 5, the magnetotactic bacteria and the heavy metal solution are separated, and the heavy metal solution and the magnetotactic bacteria are separated through a s |
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2, the heavy metal contaminated soil blocks are smashed and subjected to impurity removal, and pure heavy metal contaminated soil particles are obtained; thirdly, the heavy metal contaminated soil is repaired through magnetotactic bacteria, the magnetotactic bacteria move downwards under the action of a geomagnetic field, and heavy metal in the bottom-layer mixed solution is fully adsorbed; 4, soil and magnetotactic bacteria are separated, upper-layer standing liquid making contact with the electromagnet is collected, and lower-layer soil is backfilled to the original position; 5, the magnetotactic bacteria and the heavy metal solution are separated, and the heavy metal solution and the magnetotactic bacteria are separated through a s</description><language>chi ; eng</language><subject>APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY ; BEER ; BIOCHEMISTRY ; CHEMISTRY ; COMPOSITIONS THEREOF ; CRUSHING, PULVERISING, OR DISINTEGRATING ; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL ; CULTURE MEDIA ; 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SHANG KANKAN ; YE SUFEN ; HAN MENGMENG ; ZHANG GUOWEI ; JU WENYAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN114602966A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY</topic><topic>BEER</topic><topic>BIOCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF</topic><topic>CRUSHING, PULVERISING, OR DISINTEGRATING</topic><topic>CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL</topic><topic>CULTURE MEDIA</topic><topic>DISPOSAL OF SOLID WASTE</topic><topic>ENZYMOLOGY</topic><topic>MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS</topic><topic>MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS</topic><topic>METALLURGY</topic><topic>MICROBIOLOGY</topic><topic>MICROORGANISMS OR ENZYMES</topic><topic>MILLING GRAIN</topic><topic>MUTATION OR GENETIC ENGINEERING</topic><topic>OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PREPARATORY TREATMENT OF GRAIN FOR MILLING</topic><topic>PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS</topic><topic>RECLAMATION OF CONTAMINATED SOIL</topic><topic>RECLAMATION OF CONTAMINED SOIL SOIL</topic><topic>SEPARATING SOLIDS FROM SOLIDS</topic><topic>SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS</topic><topic>SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS</topic><topic>SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS</topic><topic>SORTING</topic><topic>SPIRITS</topic><topic>TRANSPORTING</topic><topic>VINEGAR</topic><topic>WINE</topic><toplevel>online_resources</toplevel><creatorcontrib>CHU WEILIANG</creatorcontrib><creatorcontrib>SHANG KANKAN</creatorcontrib><creatorcontrib>YE SUFEN</creatorcontrib><creatorcontrib>HAN MENGMENG</creatorcontrib><creatorcontrib>ZHANG GUOWEI</creatorcontrib><creatorcontrib>JU WENYAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHU WEILIANG</au><au>SHANG KANKAN</au><au>YE SUFEN</au><au>HAN MENGMENG</au><au>ZHANG GUOWEI</au><au>JU WENYAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Remediation method for heavy metal contaminated soil</title><date>2022-06-10</date><risdate>2022</risdate><abstract>The invention relates to the technical field of soil microbial remediation, in particular to a remediation method for heavy metal contaminated soil, which comprises the following steps: step 1, activating and culturing magnetotactic bacteria to obtain activated bacterial liquid; 2, the heavy metal contaminated soil blocks are smashed and subjected to impurity removal, and pure heavy metal contaminated soil particles are obtained; thirdly, the heavy metal contaminated soil is repaired through magnetotactic bacteria, the magnetotactic bacteria move downwards under the action of a geomagnetic field, and heavy metal in the bottom-layer mixed solution is fully adsorbed; 4, soil and magnetotactic bacteria are separated, upper-layer standing liquid making contact with the electromagnet is collected, and lower-layer soil is backfilled to the original position; 5, the magnetotactic bacteria and the heavy metal solution are separated, and the heavy metal solution and the magnetotactic bacteria are separated through a s</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL CULTURE MEDIA DISPOSAL OF SOLID WASTE ENZYMOLOGY MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MILLING GRAIN MUTATION OR GENETIC ENGINEERING OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL SEPARATING SOLIDS FROM SOLIDS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING SPIRITS TRANSPORTING VINEGAR WINE |
| title | Remediation method for heavy metal contaminated soil |
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