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Method for treating sewage water having heavy metallic ion Cd2+ and Cu2+ by using bacteria 575

A technology of heavy metal ions and sewage, applied in the direction of bacteria, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of little application value, harsh culture conditions, and low enrichment, and achieve easy management and ecological benefits Environmental and safety effects

Inactive Publication Date: 2007-10-31
HUBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, domestic research in this area is rare, and the main problem may be its low enrichment and harsh culture conditions, so its application value is not great.

Method used

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  • Method for treating sewage water having heavy metallic ion Cd2+ and Cu2+ by using bacteria 575
  • Method for treating sewage water having heavy metallic ion Cd2+ and Cu2+ by using bacteria 575

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-

[0033] Embodiment 1-Single pool processing

[0034] 1. Will contain Cd 2+ 、Cu 2+ Pump the heavy metal ion sewage into the treatment pool (2), add the bacterial liquid in the proportion of 0.5-1%, stir slowly at 1-5 rpm, and blow the oxygen once every 2-3 hours, place it for 24 hours, and put the supernatant The liquid is pumped into the standby pool (9);

[0035] 2. Discharge the sediment from the drain valve (5), and clean the bottom of the pool with the cleaner (4) and water;

[0036] 3. Pump the sewage in the standby pool (9) to the treatment pool (2), add the bacterial liquid at a ratio of 0.5-1%, stir slowly at 1-5 rpm, and ventilate the oxygen for 2-3 hours Once, placed for 24 hours, the supernatant was pumped to the standby pool (9);

[0037] 4. Repeat the above treatment process for 3-5 times, and the treated water will be discharged up to the standard after being filtered.

Embodiment 2-

[0038] Embodiment 2-multi-cell serial processing

[0039] 1. Will contain Cd 2+ 、Cu 2+ Pump the heavy metal ion sewage into the 1# treatment pool, add the bacterial liquid at a ratio of 0.5-1%, stir slowly at 1-5 rpm, blow oxygen once every 2-3 hours, let it stand for 24 hours, and put the supernatant Pump to the 2# treatment pool;

[0040] 2. Discharge the sediment in the 1# treatment pool from the sewage valve (5), clean the bottom of the pool with the cleaner (4) and water, and accept new sewage;

[0041] 3. In the 2# treatment pool, add the bacterial liquid at a ratio of 0.5-1%, stir slowly at 1-5 rpm, blow oxygen once every 2-3 hours, leave it for 24 hours, and pump the supernatant To the 3# treatment pool;

[0042] 4. Similarly, after the above-mentioned treatment is repeated in the 4# treatment pool, the treated water is filtered and discharged up to standard.

[0043] 5. The above process is carried out continuously to achieve the purpose of sewage treatment.

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Abstract

The invention discloses a method with effective enriched heavy metal ion Cd2+ and Cu2+ strain to treat waste water with heavy metal ion Cd2+ and Cu2+, which is characterized by the following: preserving the strain in Chinese typical culture preserved center with preserved number at CCTCC NO: M207050 and name as Ochrobium 575 (Ochrobactrum sp. 575); culturing Ochrobactrum sp. 575 single bacterial colony as OD not less than 0. 6 bacterial liquid; adding the bacterial liquid into waste water with Cd2+, Cu2+ heavy metal ion with 0. 5-1% proportion; utilizing the property of effective enriched heavy metal ion Cd2+ and Cu2+; decreasing the content of heavy metal ion; reaching the goal of treating waste water.

Description

technical field [0001] What the present invention relates to is the method for the treatment of industrial sewage, especially utilizes bacteria 575 to treat the process containing Cd 2+ 、Cu 2+ Method for heavy metal ion sewage. Background technique [0002] At present, a large amount of heavy industrial wastewater is discharged, the accumulation of heavy metals in soil and water sources is intensified, and the pollution of heavy metals is also becoming more and more serious. Because heavy metals are easy to bioaccumulate through the food chain, they pose a serious threat to organisms and human health. How to effectively control heavy metal pollution has become a common concern of mankind. The heavy metal pollution is also serious in the sewage of the development zone. In recent years, domestic and foreign scholars have done a lot of research on the treatment of heavy metal pollution. Among them, the use of biosorption to treat heavy metal ions has attracted more and more...

Claims

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Application Information

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IPC IPC(8): C12N1/20C02F3/34C02F1/62
Inventor 祝香芝杨琳
Owner HUBEI UNIV
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