Novel permeable reactive barrier device for acidic mineral water treatment and filler

A technology of osmotic reaction wall and mine water, which is applied in mining wastewater treatment, water/sewage treatment, water/sewage treatment equipment, etc. It can solve the problems of inconvenient cleaning and replacement of reactive media, save space and increase the filtration area , Easy to clean and replace

Pending Publication Date: 2020-09-01
SHANXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reactive medium installed on the traditional reactive wall structure is a fixed installation structure, which is generally installed in the water body in the form of integral casting with the wall, which is not convenient for the cleaning and replacement of the reactive medium

Method used

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  • Novel permeable reactive barrier device for acidic mineral water treatment and filler
  • Novel permeable reactive barrier device for acidic mineral water treatment and filler
  • Novel permeable reactive barrier device for acidic mineral water treatment and filler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as Figure 1 to Figure 7 As shown, a new type of permeable reaction wall device for the treatment of acidic mineral water is composed of multiple sections of wall 1 in series, and a caulking agent layer 13 is provided between the connecting gaps of the multiple sections of the wall 1 to maintain phase The continuity between adjacent walls 1. A connecting hole 11 is provided at the edge of the wall 1, a bolt is provided in the connecting hole 11, and a metal connecting plate 12 is provided on the bolt on the adjacent wall 1 to realize the fixing of the adjacent wall 1 , An inverted ladder-shaped water channel 2 is arranged in the middle of the wall 1, and a number of slots 3 are evenly arranged on the wall in the water channel 2, and the upper end of the slot 3 is inclined backward, A filter plate 4 is movably arranged in the slot 3. The filter plate 4 is composed of a plate-shaped filler layer 14 in the middle and a filter mesh 15 wrapped outside the plate-shaped f...

Embodiment 2

[0050] Such as Figure 1 to Figure 6 , Figure 8 As shown, a new type of permeable reaction wall device for acid mineral water treatment is composed of multiple sections of walls 1 in parallel, and a caulking agent layer 13 is provided between the connecting gaps of the multiple sections of the wall 1 to maintain phase The continuity between adjacent walls 1. A connecting hole 11 is provided at the edge of the wall 1, a bolt is provided in the connecting hole 11, and a metal connecting plate 12 is provided on the bolt on the adjacent wall 1 to realize the fixing of the adjacent wall 1 , An inverted ladder-shaped water channel 2 is arranged in the middle of the wall 1, and a number of slots 3 are evenly arranged on the wall in the water channel 2, and the upper end of the slot 3 is inclined backward, A filter plate 4 is movably arranged in the slot 3. The filter plate 4 is composed of a plate-shaped filler layer 14 in the middle and a filter mesh 15 wrapped outside the plate-sh...

Embodiment 3

[0053] Fly ash was purchased from Lanke Water Purification Plant; Nano Fe3O4 was purchased from Nangong Jingrui Alloy Products Co., Ltd.;

[0054] A filler layer applied to the novel permeable reaction wall device for acid mineral water treatment according to claim 1, the filler layer is composed of fly ash, nano ferroferric oxide and quartz sand with a mass ratio of 8:0.5-2 : A combination filler consisting of 4, applied to the plate-shaped filler layer 14.

[0055] Table 4.3

[0056]

[0057] by Figure 9-12 The bar chart of we can get:

[0058] (1) By comparing the effluent results of 5, 6, 7, and 8 tubes after 12 hours of reaction, it can be seen that the removal of NH 4 + Except for Mn, the treatment effect of acid mineral water after the mixture of fly ash and nano ferroferric oxide is better than that of the mixture of fly ash and coal-based activated carbon (6g: 6g);

[0059] (2) From the preliminary test results, it can be seen that the fly ash and coal-based activated carbon ...

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Abstract

The invention belongs to the technical field of permeable reaction devices, and particularly relates to a novel permeable reactive barrier device with a multi-section spliced structure for acid mine water treatment and filler. The reactive barrier device is formed by connecting a plurality of sections of barrier bodies, an inverted trapezoidal water channel is arranged in the middle of each barrier body, a plurality of slots are evenly formed in the wall in each water channel, and filtering plates are movably arranged in the slots. The filler is novel composite filler composed of fly ash, nanoferroferric oxide and quartz sand. The novel permeable reactive barrier filler is used for treating acidic mineral water, and the novel permeable reactive barrier device with a multi-section splicedstructure can be used for treating various types of water pollution.

Description

Technical field [0001] The invention belongs to the technical field of permeable reaction devices, and in particular relates to a new type of permeable reaction wall device and filler for acid mineral water treatment. Background technique [0002] With the rapid development of industry, the demand for mineral resources in the world has gradually increased. With the large-scale mining and utilization of coal, the environmental pollution problem of mines has become more and more serious, especially the pollution of mine wastewater, which has become a global problem. Among them, acid mine wastewater is the most serious. [0003] Permeable reactive wall technology: Permeable reactive wall (PRB) is a passive repair technology for in-situ treatment of water pollution. It is to set up an in-situ treatment zone for reactive materials in the downstream direction for the specific components of polluted water bodies (such as acid mine wastewater), and use physical, chemical or biological tre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00C02F101/20C02F101/16C02F101/10C02F103/10
CPCC02F1/001C02F2101/101C02F2101/16C02F2101/20C02F2103/10C02F2201/007
Inventor 智建辉武松丽师泽鹏耿红刘付兴
Owner SHANXI UNIV
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