Wet air oxidation of spent caustic liquors

摘要: Shows how the wet air oxidation (WAO) unit at a petrochemical complex in Illinois solved caustic disposal problem with payback period of only one year. Explains that treats process wastewater, spent caustic, which is generated scrubber for acid gas removal from hydrocarbon stream. Presents diagram WAO operation. Finds although equipment was not designed to operate higher flow rates and lower COD concentrations, inventiveness operating flexibility inherent system have allowed continued successful Reveals cotreatment plant biological sludge liquor being evaluated. Points out if successful, 2 difficult waste treatment problems will been single process.