In-situ landfill and island creation method for recycling polluted bed-mud dehydrated by geotextile tubes

A technology of geotechnical tube bag and polluted sediment, which is applied in dehydration/drying/concentrated sludge treatment, water/sludge/sewage treatment, sludge treatment, etc., which can solve the problem of high cost of lake and reservoir sediment treatment and large land occupation Large and large-scale land occupation and other problems, to achieve the effect of cost reduction, low moisture content, low equipment investment and operating costs
CN102493397AActive Publication Date: 2012-06-13TIANJIN ECOLOGY CITY ENVIRONMENTAL PROTECTION +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TIANJIN ECOLOGY CITY ENVIRONMENTAL PROTECTION
Publication Date
2012-06-13

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Abstract

The invention provides a technical method for treating polluted bed-mud of rivers, lakes and reservoirs, and provides a safe, energy-saving, environment-friendly and low-cost treatment method to overcome defects of methods for treating polluted bed-mud of lakes and reservoirs. The method comprises the following steps of: creating an island for landfill, dredging in an environment-friendly way, dehydrating and reducing volume by using geotextile tubes, and performing closure cover, so that a polluted lake and reservoir area is transformed into an environment-friendly landscape island. The method has the advantages that: secondary pollution is avoided in the treatment process, a process is simple, the water content of the treated sludge is low, and the treated sludge is conveniently subjected to landfill in situ; and three aims of dredging the sludge, performing treatment and landfill in situ, and dehydrating and reducing volume of the sludge are fulfilled.
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Description

technical field

[0001] The invention belongs to the technical field of treating rivers, lakes, and reservoir polluted bottom mud, and particularly relates to a treatment method for using the treated mud to build islands and fill them in situ. Background technique

[0002] In recent years, 70 million tons of sludge have been produced in river and lake dredging projects in my country every year. How to deal with these sludge in an energy-saving and environmentally-friendly way is an urgent problem to be solved. Such sediment treatment projects usually have harsh site conditions, usually requiring short construction periods and high processing costs. At present, environmental protection dredging is the preferred method for internal source pollution control of lakes and reservoirs. However, the conventional method of this method is to transport the dredged sludge to the sludge dump for disposal, which not only occupies a large amount of valuable land resources, but also is prone...

Claims

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