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)260909702 Technology and Development Trend for Wastewater with High Concentration of Ammonia Nitrogen HU Linlong (Sichuan College of Architecture Technology, Deyang, Sichuan 618000) Abstract High concentration of ammonia nitrogen wastewater treatment technology includes physical chemical method (airstripping, extraction, precipitation, etc.) and biological strengthening processing. Both kinds of technology have mature standards and engineering examples, but the energy consumption, rem