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Hazardous waste volume of Shanghai Petrochemical's polypropylene combined plant dropped by nearly 70% year-on-year

 Last Update: 2021-09-19
 Source: Internet
 Author: User

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The polypropylene unit of the Plastics Department of Shanghai Petrochemical Company reduced hazardous waste through small technical reforms.
At present, the main hazardous waste volume of the plant has been reduced by 67% compared with the same period last year
.

It is understood that the main hazardous waste of this device is oil-containing powder, which is generated from the fine powder entrained by the circulating air in the drying system, and is washed by the scrubber and discharged into the trench
.

Since the fine powder that has just flowed into the trench is very clean, after the device was discussed and studied, two filters were added at the mouth of the trench to form a small filter tank, and the powder material in the filter tank was salvaged in time to reduce the powder material flowing into the sewage tank.
, Thereby reducing hazardous waste

As of the end of July, the device has produced a total of about 63 tons of hazardous waste of oil-containing powders, reducing costs by 130,000 yuan
.

(Zhang Jie)

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