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Biological filler swimming-bed reactor

A biological filler and microorganism technology, applied in water/sewage multi-stage treatment, flocculation/sedimentation water/sewage treatment, water/sludge/sewage treatment, etc. Problems such as low scouring force, to achieve the effect of easy attachment of microorganisms, reduction of sludge generation, and short start-up period

Active Publication Date: 2008-10-08
BEIJING ORIGINWATER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, its shortcomings are also obvious. On the one hand, due to the slow water flow between the biological fillers, the hydraulic scouring force is small; in addition, the biofilm in the reactor can only fall off by itself, and the remaining sludge is not easy to drain away. Deterioration affects the treatment effect; and the biological filler needs to be replaced regularly, and the maintenance of its structures is difficult

Method used

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  • Biological filler swimming-bed reactor
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  • Biological filler swimming-bed reactor

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The planned wastewater volume and flow rate of this embodiment are shown in Table 1.

[0032] Table 1

[0033] Item

m 3 / d

m 3 / h

m 3 / min

Average daily sewage volume

5.0

0.21

0.004

Maximum sewage volume in time

-

0.63

0.011

[0034] The planned water quality of this embodiment is shown in Table 2.

[0035] Table 2

[0036] Item

Influent water quality

Target water quality

Removal rate (%)

BOD(mg / L)

200

10

95.0％

CODcr(mg / L)

400

50

87.5％

SS(mg / L)

100

10

90.0％

NH3-N(mg / L)

40

5

87.5％

[0037] Such as figure 1 , 2 As shown, the biological filler shaking bed of this embodiment is a carbon steel structure, the outer diameter of the shell 1 is 1800 mm, the effective depth is 2200 mm, and the radius of the clean water tank 5 insi...

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Abstract

The invention relates to a waste water purifying equipment. The invention provides a biological stuffing shaking bed in which biological stuffing composed of fibers attached with microorganisms easily are arranged. The shaking bed of the invention overcomes the technique defects of general wastewater treatment devices, and can realize the stable treatment effect and remove the organic matters, nitrogen, phosphorus and chroma in water, and the range of application is wide.

Description

【Technical Field】 [0001] The invention belongs to the technical field of wastewater treatment. More specifically, the present invention relates to a biological filler shaking bed and its application in wastewater purification. 【Background technique】 [0002] In recent years, newly-built sewage treatment plants have sprung up like bamboo shoots after a rain, but my country’s current sewage treatment technology is generally relatively backward, accompanied by many problems, such as large sludge production, difficulty in subsequent treatment, high energy consumption, and treatment. The effect is unstable, the sewage treatment plant emits an unpleasant smell, etc. It can be seen that many technical problems of the sewage treatment plant that have been built have not yet been resolved. [0003] Contact oxidation method is a wastewater biochemical treatment method with both the characteristics of activated sludge method and biofilm method. It has a wide range of applications in my coun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/30C02F1/52
Inventor 文剑平杨建州梁辉游亮
Owner BEIJING ORIGINWATER TECH CO LTD
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