METHOD AND INSTALLATION FOR OZONE TREATMENT OF WASTEWATER

摘要

The invention relates to a method for treating a main wastewater stream flowing in a closed conduit with a flow direction, the method comprising: - introducing a liquid into at least one pre-treatment stream; - generating a gas stream containing ozone gas; - introducing the gas stream into the at least one pre-treatment stream each with a Venturi injector, resulting in at least one mixed-phase stream comprising ozone laden gas and liquid; - passing the at least one mixed-phase stream through at least one static mixer, resulting in a predefined gas bubble size; and - injecting the at least one mixed-phase stream in the main wastewater stream perpendicular to the flow direction.