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Case Study of Waste Gas Treatment at Zhejiang XX Textile Factory


The Zhejiang XX weaving factory produces a large amount of pungent odors and fiber dust during its daily processing.

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Case Study of Waste Gas Treatment at Zhejiang XX Textile Factory

  The Zhejiang XX Textile Factory generates a large amount of pungent odors and fiber dust during its daily processing. The factory's waste gas treatment renovation project is as follows:

  Upgrade the collection system: Improve the design of the existing dust hood, increase the number and area of air inlets to ensure effective coverage of pollution sources. At the same time, adjust the fan power and wind speed to improve waste gas collection efficiency and reduce unorganized emissions.

  Add pre-treatment facilities: Before the waste gas enters the main treatment unit, add a wet scrubber tower. The scrubber tower is filled with alkaline packing, using circulating spray water to absorb acidic gases and some VOCs in the waste gas, while also capturing some dust.

  Install biological deodorization equipment: To address the foul-smelling gases in the waste gas, add a biological filter. The waste gas passes through a layer of biological packing filled with microbial strains in the biological filter, where the foul substances are degraded by microorganisms and converted into harmless substances.

  Improve end treatment: For waste gas that still contains a certain concentration of VOCs, use an activated carbon adsorption tower for further adsorption and purification. Regularly replace the activated carbon to ensure that the adsorption capacity does not diminish.

  Online monitoring and operation management: Install online monitoring equipment for VOCs, particulate matter, etc., to monitor waste gas emissions in real-time, ensure stable system operation, and adjust process parameters based on monitoring data to ensure emissions meet standards.

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