China
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High-Nitrogen Wastewater Treatment
High-nitrogen wastewater primarily originates from industries such as petrochemicals, fertilizers, pharmaceuticals, food processing, and livestock farming. These wastewater sources often have high nitrogen content. After conventional biological treatment, the final total nitrogen concentration remains high, primarily in the form of nitrate nitrogen. If not subjected to advanced nitrogen removal treatment before discharge, it can disrupt the nitrogen balance and pollute aquatic environments.
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