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nature : short dust. Remove suspended in the gas dust process. In chemistry, fuel, metallurgical industry, have often contains a lot of dust of gas, dust must be removed, so that after the smooth production process to continue. For example, in contact with sulfuric acid manufacturing method, if the raw gas with a suspension of arsenic, selenium and other particles not removed, it will cause the catalyst poisoning. Apart from fulfilling the requirements of industrial production, but also to dust recycling, labor protection, urban and rural health and crop protection. For example, some industrial enterprises, the exhaust emissions should be some degree of dust, and not directly into the atmosphere. Dust can use gravity, centrifugal, separation, filtration (dry), liquid detergent (wet), static, and other sonic and ultrasonic method.
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