Analysis of key and difficult points in chemical wastewater treatment

Oil separator for treating oil pollutants: Collect the process wastewater containing oil pollutants separately and introduce it into the oil separator. Allow it to stand for a period of time, and then use an oil scraper to remove the oil, suspended solids, and floating debris that float on the surface.
Physicochemical treatment to enhance biodegradability: It requires operation under acidic conditions and can remove organic matter. To enhance biodegradability, we employ a combination of iron-carbon microelectrolysis and Fenton oxidation. This approach reduces the dosage of alkaline chemicals and ensures that the COD concentration is within the range suitable for entering the hydrolysis acidification tank.
The iron-carbon microelectrolysis treatment method primarily utilizes the principle of metal corrosion to form a galvanic cell. A reaction tank is established to treat the organic matter within it. During the reaction process, iron elements change from zero valence to ferrous ions under electrolytic conditions. At this point, the ferrous ions exhibit strong adsorption properties, which can attract the charged particles present in the organic matter, gradually forming iron sludge. This method has a significant removal effect on large-particle organic matter present in chemical wastewater.