Enhanced palm micro-ecological filter bed system

A technology of micro-ecology and filter bed, applied in the direction of biological treatment devices, chemical instruments and methods, sustainable biological treatment, etc., can solve the problems of low treatment capacity, poor ecological coordination, poor landscape effect, etc., achieve good water retention, improve The effect of processing capacity and improving the survival rate

Inactive Publication Date: 2016-11-23
ZHEJIANG ZHENGJIE ENVIRONMENTAL SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still many problems in the micro-ecological filter bed at present, such as high energy consumption, poor landscape effect, low processing capacity, and poor ecological coordination of the ecological filter bed.

Method used

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  • Enhanced palm micro-ecological filter bed system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 As shown, the experimental process is used to treat domestic sewage in a certain river in Hangzhou. Among them, the height of the planting layer is 10cm, the height of the palm filter layer accounts for three quarters of the height of the entire filter bed, and the height of the perforated wall is 10cm; The pore size is 50mm; the filter bed adopts the form of overall aeration, followed by continuous monitoring for several days, and the average removal rate of effluent COD is 73%, the average total nitrogen removal rate is 55%, and the average total phosphorus removal rate is 68%. %.

Embodiment 2

[0034] Such as figure 1 As shown, the experimental process is used to treat domestic sewage in a certain river in Hangzhou. Among them, the height of the planting layer is 10cm, the height of the palm filter layer accounts for 1 / 2 of the height of the entire filter bed, and the height of the perforated wall is 5cm; The pore size is 10mm; the filter bed adopts the form of local aeration, and the aeration pipe is opened every 1 meter, and then continuously monitored for several days. Through the test, the average removal rate of COD in the effluent is 51%, and the average removal rate of total nitrogen is 31%, and the average removal rate of total phosphorus was 47%.

Embodiment 3

[0036] Such as figure 1 As shown, the experimental process is used to treat domestic sewage in a certain river in Hangzhou. Among them, the height of the planting layer is 30cm, the height of the palm filter layer accounts for three-quarters of the height of the entire filter bed, and the height of the perforated wall is 20cm; the filter layer is filled with a 1:1 mixture of goethite and hematite. The ratio is 10:1, and the pore size of the hole through the wall is 50mm; the filter bed adopts the form of overall aeration, followed by continuous monitoring for many days. Through the test, the average removal rate of COD in the effluent is 79%, and the average removal rate of total nitrogen is 52%. %, the average removal rate of total phosphorus was 61%.

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Abstract

The invention relates to an enhanced palm micro-ecological filter bed system, comprising a water incoming area, a filter bed and a water outgoing area; a first overflow wall is provided between the water incoming area and the filter bed, a second overflow wall is provided between the water outgoing area and the filter bed, and the filter overflow wall and the second overflow wall are provided with through holes respectively; the water incoming area is provided with a water inlet, and the water outgoing area is provided with a water outlet; the filter bed is composed of a planting layer, a palm filter layer, a through-hole wall and an aerating pipe from top to bottom, the through-hole wall is provided with a plurality of air holes, purifying plants are planted in the planting layer, the aerating pipe and the palm filter layer are isolated by the through-hole wall, and iron ore filling material is arranged in the palm filter layer; a lifting partition is disposed in the water outgoing area. The system with the palm fiber can effectively increase survival rate of plants in the planting layer and ensure long-term availability of the filter bed; with a certain amount of iron ore added to the filter bed, treating capacity of the whole ecological filter bed can be effectively improved.

Description

technical field [0001] The invention relates to a micro-ecological filter bed treatment system, which belongs to the field of waste water treatment. Background technique [0002] In recent years, with the rapid development of industry and agriculture, a large amount of industrial, agricultural and urban sewage has been directly discharged into rivers without any treatment, causing problems such as nitrogen and phosphorus eutrophication in water quality, causing serious pollution and damage to river ecology. Therefore, the treatment of surface water cannot be delayed. [0003] At present, the processes used for environmental remediation of sewage can be divided into physical remediation methods, chemical remediation methods and biological remediation methods according to technical principles. [0004] The physical restoration method is mainly to restore the sewage by some means such as environmental water diversion, mechanical algae removal, and sediment dredging. The physic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32C02F3/34
CPCC02F3/32C02F3/34C02F2203/006Y02W10/10
Inventor 任松洁项海王昆裘伟霞徐贝
Owner ZHEJIANG ZHENGJIE ENVIRONMENTAL SCI & TECH CO LTD
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