Device and method for synchronously removing ammonia nitrogen and sulfide of strong alkaline wastewater
A strong alkaline and sulfide technology, applied in chemical instruments and methods, water pollutants, water/sewage treatment, etc., can solve the problems of complex treatment process, increased treatment cost, increased energy consumption, etc., and achieve simple process route , reduce the accumulation of sulfide and ammonia nitrogen, and improve the effect of removing ammonia nitrogen and sulfide
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[0036] The strong alkaline ammonia nitrogen-containing and sulfide-containing wastewater 1 obtained after solid-liquid separation (pH value is 12.56, the content of sulfide is 90.5mg / L, the content of ammonia nitrogen is 100.5mg / L, and the temperature is 60°C) is sent to Into the reaction tower 4 (the volume of the reaction tower simulated under the laboratory conditions is 600mL, and the volume of the liquid added is 400mL; the reaction tower is a cylinder made of plexiglass, which has a water inlet, a water outlet, a slag outlet, and a gas outlet, etc.), Add catalyst 3 (catalyst comes from catalyst storage tank 2) from catalyst inlet 21 to reaction tower 4 while injecting water, and catalyzer is manganese sulfate, and the concentration of control manganese sulfate in reaction tower is 200mg / L, leaves standstill 15min. Then use air pump 6 to 0.250m 3 Air is continuously fed into the reaction tower at a rate of / h·L, and the air introduced is dispersed into the wastewater in t...
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