Efficient treatment method and device for degradation-resistant ammonia-nitrogen wastewater

The invention provides an efficient treatment method and treatment device for degradation-resistant ammonia-nitrogen wastewater. The method comprises the following steps: treating the degradation-resistant ammonia-nitrogen wastewater in a box body through a photocatalyst catalytic oxidation process; and then directly entering a nano purification process stage in the same box body through overflowing, releasing hydroxyl anions by a nanosphere purification material under aeration stirring, fully mixing the hydroxyl anions with the wastewater, completing rapid oxidation of small molecular ammonianitrogen in the wastewater, and discharging the treated wastewater reaching the standard from a water outlet at the lower part. According to the invention, a better ammonia nitrogen treatment effectcan be achieved; moreover, the input-output ratio is high, the investment cost and the operation cost of ammonia nitrogen treatment are effectively reduced; according to the method, the ammonia nitrogen in the wastewater is we