Wastewater treatment method using electrolysis and wastewater treatment system

摘要

The present invention relates to a method for treating malignant wastewater containing COD, BOD, SS, n-hexane, chromaticity and total nitrogen, wherein the wastewater is treated with a flocculant such as PAC, FeCl₃Etc.) are injected in the presence or absence of a coagulation assistant, stirred and agitated, neutralized to maintain a constant pH, electrolyzed using a suitable current in a primary electrolytic cell, and then injected with a polyacrylamide-based polymer flocculant Floc is formed and activated carbon and zeolite are injected into the residual contamination source to completely electrolyticize it in the secondary electrolytic tank and float floating at the same time flows into a filter bag to perform solid-liquid separation , The treatment water is discharged, and a system used in the method.;According to the wastewater treatment method of the present invention, malignant wastewater containing COD, BOD, SS, n-hexane, chromaticity and total nitrogen can be treated. In other words, it can remove or reduce various pollutants such as COD, BOD, SS, NH, TN, and chromaticity by using chemical treatment methods such as pH adjustment and coagulation extraction and electrochemical methods such as electrolysis and physical methods such as adsorption and filtration .