Difference between revisions of "Team:Jilin China/HP 04"

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<p>We also interviewed professors from the research institute of of Jilin Petrochemical Company in May 25th to learn about their work on water treatment and we found that phenolic compounds can be the problems and using bacteria for the degradation of pollutants is better than other methods. Our interview was recorded as follows.  </p>
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<p>Q: Where do sewage that sewage treatment plant accepts come from? What pollutants contained most?</p>
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<p>A: The sewage mainly comes from different factories in Jilin petrochemical company, treated by factories themselves first, discharged into then, treated with AO (anaerobic & oxic method). Pollutants are almost the same in sewage, including benzene, phenol, acetone.</p>
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<p>Q: Which kind of factory produces most benzene and phenol?</p>
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<p>A: Mainly from oil refinery. Sewage in dye plant contains phenol, but compared to other factories, it has less pollution.</p>
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<p>Q: What's the main work of the research institute?</p>
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<p>A: We mainly serve for the company. The equipment for sewage disposing are built by factories themselves. When the sewage doesn't meet the standard, institute provides some optimization. For factories discharging high pollutants contents, we will set point source processing unit. Pollutants hard to deal with will be sent to institute for study and we will find ways for disposing. </p>
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<p>Q: What are the main ways of dealing with pollutants?</p>
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<p>A: Dealing methods contains chemical methods, physical methods and biochemical methods. Chemical methods mean that medicament are added into the sewage. Physical methods, however, which mainly use compression filter for separation. Biochemical methods, which mainly use microorganism for degradation. Biochemical methods are the most economical and efficient. Using biochemical methods every hour can deal with 1100 tons of sewage, and COD can be reduced by 85% to 95%. Different factories have different equipment. </p>
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Revision as of 06:07, 27 October 2017

We also interviewed professors from the research institute of of Jilin Petrochemical Company in May 25th to learn about their work on water treatment and we found that phenolic compounds can be the problems and using bacteria for the degradation of pollutants is better than other methods. Our interview was recorded as follows.

Q: Where do sewage that sewage treatment plant accepts come from? What pollutants contained most?

A: The sewage mainly comes from different factories in Jilin petrochemical company, treated by factories themselves first, discharged into then, treated with AO (anaerobic & oxic method). Pollutants are almost the same in sewage, including benzene, phenol, acetone.

Q: Which kind of factory produces most benzene and phenol?

A: Mainly from oil refinery. Sewage in dye plant contains phenol, but compared to other factories, it has less pollution.

Q: What's the main work of the research institute?

A: We mainly serve for the company. The equipment for sewage disposing are built by factories themselves. When the sewage doesn't meet the standard, institute provides some optimization. For factories discharging high pollutants contents, we will set point source processing unit. Pollutants hard to deal with will be sent to institute for study and we will find ways for disposing.

Q: What are the main ways of dealing with pollutants?

A: Dealing methods contains chemical methods, physical methods and biochemical methods. Chemical methods mean that medicament are added into the sewage. Physical methods, however, which mainly use compression filter for separation. Biochemical methods, which mainly use microorganism for degradation. Biochemical methods are the most economical and efficient. Using biochemical methods every hour can deal with 1100 tons of sewage, and COD can be reduced by 85% to 95%. Different factories have different equipment.