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Another critical aspect of wastewater treatment involves the removal of dissolved organic matter and nutrients, particularly nitrogen and phosphorus. Chemicals like chlorine and ozone serve as disinfectants, playing a vital role in eliminating pathogenic microorganisms from treated wastewater. While chlorine is commonly used due to its effectiveness and relatively low cost, it can produce harmful by-products, prompting the exploration of alternative disinfectants like ozone, which decomposes into oxygen and leaves no toxic residue.
what chemicals are used in wastewater treatment
