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    Scheme in Spice Industry Waste Gas TreatmentPosition:Home > Waste gas treatment plan

    Scheme in Spice Industry Waste Gas Treatment

    Design of waste gas treatment scheme for perfume industry

    The waste gas in the perfume and flavor industry is collected, and the exhaust gas passes through the pipeline. After the fan is traced, the spray tower is cooled down to remove the particles first, and then the mist separator is separated from the mist eliminator at the top of the spray tower to exhaust the exhaust gas.

    The pretreated exhaust gas is decomposed and purified by the photoionization compound exhaust gas treatment equipment, and finally discharged from the chimney to meet the standard.

     Main principles of waste gas treatment in flavor and fragrance industry

    The principle of scrubbing tower is to use strong acid (sulfuric acid), strong alkali (sodium hydroxide), strong oxidant (sodium hypochlorite) as washing spray solution to contact odor molecules in the gas, so that odor components in the gas phase can be transferred to the liquid phase, and odor substances can be removed by neutralization and oxidation reaction of chemical agents with odor components.

    The commonly used washing equipment is packed tower. Chemical absorption liquid sprays downward from the top of the tower, exhaust gas flows upward, odor and absorption liquid are fully contacted and reacted, thus being removed. The ratio of absorbent liquid to waste gas flow (liquid/gas ratio) is generally 1-3 L/m3, the height of packing is generally 2-5 m, and the velocity of empty gas column is generally 0.5-1 m/s. The deodorization effect of the packed tower with good operation can reach more than 90%.

    Schematic diagram of waste gas treatment equipment in flavor and fragrance industry

    Washing Tower Waste Gas Treatment Equipment + Photoionization Composite Waste Gas Treatment Equipment + Fan

    Purification effect: discharge up to standard

    Exhaust characteristics of flavor and fragrance industry

    Source of waste gas: fragrances and fragrances mainly produce flavors, daily flavors, cosmetics and other products. In the production process, there will be a large number of odorous organic waste gas. Although the flavor and fragrance plant is relatively small, the waste gas generated will not affect the surrounding environment and man-made.

    Exhaust gas composition: Fragrance factories produce a lot of organic industrial waste gas such as esters, ethers, aldehydes and other organic compounds in the production process. They have special characteristics, such as low concentration, large air volume, low olfactory threshold, and relatively sensitive. Therefore, the fragrance and fragrance plant must have good ventilation devices, perfect safety and explosion protection measures and fire protection equipment, and protect the necessary labor protection and health facilities for workers. For waste gas treatment in flavors and fragrances factories, we must select the exhaust gas purification technology with excellent quality and technology to achieve satisfactory results.

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