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Wastewater Treatment Process for Immobilizing Predominant Bacteria with Porous Filler

A porous filler and wastewater treatment technology, which is applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. It can solve the problems of insignificant effect, reduction of chromaticity and other indexes, and failure to work. , to achieve the effects of less types and quantities of dosing, short commissioning period, and saving operating costs

Active Publication Date: 2017-04-12
广州中科建禹环保有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The above-mentioned methods are often not effective or the effect is not significant, especially for complex organic wastewater. It is difficult to achieve a significant reduction in COD, BOD, TN, TP, chroma and other indexes with a single method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] The wastewater treatment process for immobilizing dominant bacteria with porous fillers comprises the steps of:

[0069] 1) The raw water (raw water quality: COD cr 800ppm, BOD 5 300ppm, chroma 300 times, ammonia nitrogen 30ppm) for slag separation, sand settling, and oil removal;

[0070] 2) Adjust the pH value of the sewage to 8.0-9.5;

[0071] 3) The sewage after pH adjustment enters the three-stage facultative tank for three-stage treatment; among them, the first-level facultative tank and the second-level facultative tank are provided with combined packing; the third-stage facultative tank is provided with inclined pipe packing to remove The sludge and microbial metabolites produced by the oxygen process; among them, the three-stage facultative pool adopts the sludge bed gravity water distribution, and the height of the sludge bed is controlled at 1-2m;

[0072] 4) The effluent from the facultative oxygen tank enters the pre-aeration tank, and through pre-aera...

Embodiment 2

[0089] The wastewater treatment process for immobilizing dominant bacteria with porous fillers comprises the steps of:

[0090] 1) The raw water (raw water quality: COD cr 1500ppm, BOD 5 500PPM, chroma 400 times, ammonia nitrogen 40ppm) for slag separation, sand settling and oil removal;

[0091] 2) Adjust the pH value of the sewage to 8.0-9.5;

[0092] 3) The sewage after pH adjustment enters the three-stage facultative tank for three-stage treatment; among them, the first-level facultative tank and the second-level facultative tank are provided with combined packing; the third-stage facultative tank is provided with inclined pipe packing to remove The sludge and microbial metabolites produced by the oxygen process; among them, the three-stage facultative pool adopts the sludge bed gravity water distribution, and the height of the sludge bed is controlled at 1-2m;

[0093] 4) The effluent from the facultative oxygen tank enters the pre-aeration tank, and through pre-aera...

Embodiment 3

[0112] The wastewater treatment process for immobilizing dominant bacteria with porous fillers comprises the steps of:

[0113] 1) The raw water (raw water quality: COD cr 2000ppm, BOD 5 800PPM, chroma 350 times, ammonia nitrogen 30ppm) for slag separation, sand settling and oil removal;

[0114] 2) Adjust the pH value of the sewage to 8.0-9.5;

[0115] 3) The sewage after pH adjustment enters the three-stage facultative tank for three-stage treatment; among them, the first-level facultative tank and the second-level facultative tank are provided with combined packing; the third-stage facultative tank is provided with inclined pipe packing to remove The sludge and microbial metabolites produced by the oxygen process; among them, the three-stage facultative pool adopts the sludge bed gravity water distribution, and the height of the sludge bed is controlled at 1-2m;

[0116] 4) The effluent from the facultative tank enters the pre-aeration tank, and through pre-aeration, s...

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Abstract

The invention discloses a wastewater treatment process adopting a porous filler to fix dominant bacteria. The wastewater treatment process comprises the following steps: (1) performing slag separation, sand setting and oil removal on wastewater; (2) adjusting the pH value of wastewater; (3) enabling wastewater of which the pH is adjusted to enter a tertiary facultative tank to be subjected to tertiary treatment; (4) enabling water getting out of the facultative tank to enter a pre-aeration tank; (5) enabling water getting out of the pre-aeration tank to enter a first-section aerobic tank; (6) enabling water getting out of the first-section aerobic tank to enter an intermediate sedimentation tank; (7) enabling water getting out of the intermediate sedimentation tank to enter a second-section / third-section aerobic tank; (8) enabling water getting out of the second-section / third-section aerobic tank to sequentially enter a coagulating sedimentation reaction tank, an inclined-tube sedimentation tank and a sand filter to be treated and then discharged in a standard manner. The wastewater treatment process provided by the invention can realize continuous treatment of organic wastewater and has a good treatment effect.

Description

technical field [0001] The invention relates to a waste water treatment process for fixing dominant bacteria with porous fillers. Background technique [0002] The process of sewage treatment began at the end of the 20th century, and has made great progress and development, and has become an important part of social development. However, with the rapid development of China's economy, environmental pollution is becoming more and more serious, and the requirements for sewage treatment are also increasing. Increasingly, the conventional sewage treatment process has gradually become difficult to meet the new sewage discharge standards. It is necessary to find or build a new sewage treatment process on the basis of the original process, so as to improve the sewage treatment effect. [0003] In the prior art, the sewage treatment process is mainly divided into the following categories: [0004] a. Physical method: including sedimentation method, filtration method, oil separation ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 康兆雨劳燕雯
Owner 广州中科建禹环保有限公司
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