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Sea water desalinization discharged sludge artificial wetland treatment system and treatment method thereof

A technology of artificial wetlands and treatment systems, applied in the direction of biological sludge treatment, etc., can solve environmental pollution and other problems, and achieve the effect of low cost and low investment

Inactive Publication Date: 2013-03-27
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] How to treat the sludge produced after seawater desalination scientifically? At present, some seawater desalination plants generally discharge the sludge directly with the concentrated seawater without any treatment, which will definitely pollute the environment in the area.

Method used

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  • Sea water desalinization discharged sludge artificial wetland treatment system and treatment method thereof
  • Sea water desalinization discharged sludge artificial wetland treatment system and treatment method thereof
  • Sea water desalinization discharged sludge artificial wetland treatment system and treatment method thereof

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] Such as figure 1 , figure 2 and image 3 As shown, the constructed wetland treatment system for seawater desalination and waste sludge in this embodiment includes a sludge buffer tank 1, a sludge pump 12, a flow meter 14, a sump 2 and a constructed wetland 3, and the sludge buffer tank 2 and the constructed wetland 3 are connected with a sludge pipe 11, and a sludge pump 12 and a flow meter 14 are installed on the sludge pipe 11. The constructed wetland 3 includes a wetland pool 31, a mud distribution pipe 33, a water collection pipe 32 and a top-down The wetland plants (not shown in the figure), the sludge layer (not shown in the figure), the filler layer 4 and the anti-seepage layer 5 arranged in the wetland pool, the mud distribution pipe 33 is connected with the sludge pipe 11 and has a mud outlet hole. The mud pipe 33 is arrang...

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Abstract

The invention discloses a sea water desalinization discharged sludge artificial wetland treatment system which comprises a sludge buffer pool, a sludge pump, a flow meter and an artificial wetland, wherein a sludge pipe is connected between the sludge buffer pool and the artificial wetland; the artificial wetland comprises a wetland pool, a sludge distribution pipe, a water collection pipe as well as a wetland plant, a sludge layer, a filler layer and an impermeable layer sequentially arranged in the wetland pool from top to bottom; and the sludge distribution pipe is connected with the sludge pipe, and a sludge outlet hole is formed in the sludge distribution pipe. The invention also discloses a treatment method using the treatment system. Through the invention, the sludge treatment using an artificial wetland and a reasonably-arranged filler layer integrates sludge concentration, dehydration and degradation, and a series of physical and chemical changes such as dehydration reduction, nitrogen and phosphorus removal of leachate, removal of organic matters and heavy metals and the like can be realized so as to realize reduction and harmless treatment on the sludge.

Description

technical field [0001] The invention relates to a treatment system for seawater desalination and discarded sludge, and also relates to a treatment method for seawater desalination and discarded sludge. Background technique [0002] In recent years, with the continuous improvement of seawater desalination technology, the continuous expansion of desalination scale and the increase in the number of projects, some direct or potential environmental impacts of the desalination process itself have attracted people's attention. A large amount of sludge and solid waste such as filter bags and membrane elements replaced by the membrane treatment system. These wastes contain pathogens, organic and inorganic poisons and heavy metal elements. If they are discharged without treatment, the excess heavy metals in seawater will directly affect the In addition to the toxicity caused by marine organisms, it is also enriched by organisms and transmitted through the food chain, and enters the hu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/02
Inventor 叶继红石一民
Owner ZHEJIANG OCEAN UNIV
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