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What is the filtration method of activated carbon filter? What are the features? Activated carbon filtration,According to the adsorption characteristic of activated carbon, activated carbon is mainly used to remove pollutants, discoloration, filtration and purification of liquid and gas in water,It is also used for the purification of air, the recovery of waste gas (such as the recovery of gas benzene in the chemical industry), the recovery and refinement of precious metals (such as the absorption of gold ).Activated carbon is mainly made of substances with high carbon content,Such as wood, coal, Shell, bone, oil residue, etc.With coconut shells as the most commonly used raw material,Under the same conditions,The active quality and other properties of the coconut shell are the best,Because it has the largest surface.Activated carbon is a kind of charcoal with multiple pore sizes,There is a very rich pore structure,Good adsorption properties,Its adsorption is made of physical and chemical absorption force,
Related materials and articles on cold rolling electric galvanized !!! In a hurry !!! In the production process of electric galvanized unit,To improve product quality,The production process has been improved,Resulting in a large amount of zinc discharge with wastewater,So that the discharge of water in the acid-base wastewater treatment system exceeds the standard?The emission standard is ≤ 4 mg/L,The average is 14.26 ~ 9.71 mg/L,Caused the monthly payment of sewage charges 20 ~ 0.3 million yuan;On the other hand, resources are wasted.The wastewater that causes excessive zinc content in drainage mainly comes from the dissolved zinc pit and the wastewater pit in the unit,There is no regular change in water quality,See Table 1 for its ingredients.Zinc concentration/(mg L-2-/(Mg L-TFe/(mg L-Free acid/(mg L-Therefore, it is necessary to strengthen the process control management,Treatment of cold-rolled zinc-containing wastewater,At the same time, we try t