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Biological filter

Process principle

The odor pollution is adsorbed bymultitudinous of active bacterial when odor gas pass through the humid,lacunaris filling floor. Malodorous substances are broken down into simplenontoxic inorganic.Biological filter device is suitable for medium or lowconcentration gas environment.

         

The three major approaches are asfollows:

(1)Extracellular adsorption: Odorpollution was absorbed by Biological Membrane, extracellular polymer substancesor extracellular enzyme when it pass through the filling floor.

(2)Biological absorption: theexterior malodor pollution adsorbed by bacteria was transport intointracellular.

(3)Biological oxidation: Malodorpollution is broken down into harmless carbon dioxide and water, inorganic saltin microbial metabolism cycle, organic filler is provided for microorganismsorganic salts, minerals and carbon source, which can promote the reproductionof microorganisms.

Technological advantages

(1)      Simple operation, lessmaintenance.

(2)      Without adding nutrient.

(3)      Packing life is about 10 years.

(4)      With an acidification capacity.

(5)      Can effectively preventcompaction.

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