The ammonia nitrogen content of pickled chicken feet wastewater varies with different production processes and treatment methods, and there is no fixed value. Under normal circumstances, the emission standard of ammonia nitrogen in catering wastewater is below 15mg/L, which is formulated to protect the environment and the ecological safety of water bodies.
If the wastewater of pickled chicken feet contains high ammonia nitrogen, it may have an impact on the surrounding environment, such as water pollution and odor.