Precision filter of organic matter in the water has a certain

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For industrial water, because ammonia is an inorganic substance, it further oxidation, the impact of the environmental hygiene is small, so, BOD typically refers only to the amount of oxygen required for the first stage of oxi dation of organic matter. Most of the organic compounds constituting organism such as carbohydrates, protein and fat, the constituent elements of carbon, hydrogen, oxygen, nitrogen, etc., irrespective of the type of organic matter, the aerobic decomposition of the final product is always carbon dioxide, water and nitrates.air filter bag

BOD under certain conditions, to Ultrafilter water organisms for biological oxidation, the amount of consumption of dissolved oxygen shall BOD mg / L units. z. Organic compounds in water can be used as a nutritional source of microorganisms, microbes in the absorption of organic compounds in water, and absorbed by a certain percentage of the dissolved oxygen in the water, biological oxidation of organic compounds in the body, so Shui microorganisms need oxygen indirectly reflect how much of the organic matter in water .

Ultrafilter bio-oxidation of the entire over protracted pr ocess specifically into carbon dioxide, water and ammonia; second stage is mainly a process of the ammonia into nitrite and nitrate. For industrial water, because ammonia is an inorganic substance, it further oxidation, the impact of the environmental hygiene is small, so, BOD typically refers only to the amount of oxygen required for the first stage of oxidation of organic matter.

5-day biochemical oxygen demand usually five days as the standard time of the determination of biochemical oxygen demand, said the 5-day biochemical oxygen demand, precision filter general organics is about the first phase of 70% of the biochemical oxygen demand, therefore, BODs have a certain degree of representativeness.