随着排放指标的日益严格，出现了很多氨氮废水处理新技术，尤其是在生物脱氮领域。
With the Wastewater discharging standards getting increasingly stricter, many new and effective Wastewater treatment processes were studied, especially in the biological denitrification field.
催化氧化法可通过多种途径来加强传统的化学法处理效果，目前已成为难降解有机废水处理的一项重要新技术。
Treatment effects of poor degradable organic wastewater can be improved greatly by various catalytic oxidation technology compared to traditional chemical methods.
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