Structure capable of being used for treating heavy metals in bottom mud dredging tail water and construction method thereof

A technology of structures and heavy metals, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc. It can achieve the effect of guaranteeing the problem of heavy metal pollution, reducing the operating cost of wastewater treatment, and easy implementation of operating conditions.
CN103539266BInactive Publication Date: 2015-04-22HUNAN UNIV
1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN UNIV
Publication Date
2015-04-22
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a structure that can be used for treating heavy metal pollutants in tail water of sediment dredging, including a sedimentation tank and a reaction tank, the reaction tank includes an adjustment column and at least one adsorption column, and the adjustment column and the adsorption column both adopt grids The mesh cage is used as a frame, and the regulating column is filled with solid particle filler, and the adsorption column is filled with a composite composed of Fe3O4-calcium alginate-Phanerochaete chrysosporium microspheres; and the regulating column and the adsorption column are arranged along the direction of water flow in sequence. The construction of the structure includes the following steps: build the sedimentation tank and the reaction tank, excavate more than two grooves in the reaction tank, and place the grid cage in each groove vertically to the direction of water flow; Fill the solid particle filler in the groove, and fill the composite bioabsorbent material in the remaining grooves, and ensure that the filler is higher than the water level line of the reaction tank. The invention has the advantages of low cost, simple preparation process, high adsorption efficiency, etc., and can be used for treating heavy metal pollutants in tail water of sediment dredging.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the field of water body purification and water pollution prevention and control, and in particular relates to a structure which can be used for treating heavy metals in tail water of sediment dredging and a construction method thereof. Background technique

[0002] With the rapid development of industry and the sharp increase of human activities, industrial sewage and industrial waste, urban and rural domestic sewage, and residues of chemical fertilizers and pesticides in agricultural production are directly discharged into lakes and rivers with little or no treatment, resulting in serious water pollution. `. In the urban water system closely connected with people's life, the content of heavy metals, eutrophication and other harmful chemical substances far exceeds the allowable value, which poses a great threat to the urban environment and people's life and health. The experience of treating polluted water systems at home and ...

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
Login to View More