Method for restoring soil polluted by polycyclic aromatic hydrocarbon through plants

A technology of surfactants and polycyclic aromatic hydrocarbons, applied in the field of remediation of polluted environments, can solve problems such as low contribution rate, achieve low cost, good remediation effect, and avoid pollution
CN1562420AInactive Publication Date: 2005-01-12ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2005-01-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

A method for improving the polycyclic arylhydrocarbon polluted soil by use of the surfactant synergitis plant includes such steps as planting the perennial ryegrass or the plant 'Hongsanye' in the polluted soil by the density of 200-250 plants/sq.m, applying the solution of non-ionic surfactant polyoxyvinyl anhydrosorbitol monooleate or laurinol polyoxyvinyl ether when the height of said plant is 10-12 cm, growing for 50-60 days, harvesting, drying and burning at other position.
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Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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