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Wet air oxidation refers to a large-scale process used to treat wastewater by oxidizing it with air at temperatures between 150°C and 300°C and pressures between 1.5 MPa and 10 MPa, resulting in a reduction of the chemical oxygen demand (COD) to acceptable levels.
WAO is a liquid phase reaction using dissolved oxygen in water to oxidize wastewater contaminants. The dissolved oxygen is typically supplied using pressurized air, but pure oxygen can also be used. The oxidation reaction generally occurs at moderate temperatures of 150°-320 °C and at pressures from 10 to 220 bar.
1 Μαΐ 1999 · Wet air oxidation is a destructive wastewater technology based on the oxidation of pollutants at high temperature and high pressure in the liquid phase. In the system molecular oxygen dissolved in the wastewater reacts with the organic and inorganic pollutants.
Wet air oxidation (WAO) is the process of elimination of aqueous pollutants by oxidation with O 2 under pressure. Other oxidants can also be used: H 2 O 2 in the wet peroxide oxidation (WPO) or ozone in ozonation processes.
This review article explores three major aspects of the wet oxidation (WO) and catalytic wet oxidation (CWO) processes (with the major focus being on WO and CWO, using air or oxygen as an oxidant).
22 Οκτ 2024 · Single-atom catalysts (SACs) have emerged as highly efficient and cost-effective catalysts, becoming pivotal materials in catalytic processes. The functional structure of SACs is the metal active center of the support structure, and the catalytic mechanism of SACs formed by each metal is different. This review begins by categorizing SACs based on various synthesis strategies and provides a ...
Wet Air Oxidation is a process for oxidizing materials in a dilute aqueous matrix. The usual temperature range, 150° to 320°C, requires high pressure to maintain a liquid phase. It has been applied industrially to de-toxify dilute streams of organic (and oxidizable inorganic) materials in water.
