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Functional fillers can be broadly categorized into several types based on their properties and purposes. Common types include

Conclusion

Ethylene Glycol Acetate Properties, Applications, and Safety Considerations

Conclusion

Phosphate and nitrogen removal often requires the use of specific chemicals. For phosphorus removal, chemical precipitation using ferric chloride or aluminum sulfate is common. These chemicals bind with phosphorus to form insoluble compounds that can then be removed during sedimentation. For nitrogen removal, the process may involve adding sodium nitrate or ammonium sulfate to facilitate biological denitrification, where microorganisms convert nitrates into harmless nitrogen gas.