Introduce the solution to lower the toluene content to the national waste gas emission. Introduce the activated carbon absorber and oxidation unit.

When speciation of sulfur compounds is required the sulfur impurities may be optionally concentrated and sent directly to a separation column and the detector bypassing the oxidation unit.

The article introduce the reformation of the oxygen - produced system in Ethylene waste soda oxidation unit and optimized the operated condition, and analysis the application effect of this unit.