US Peroxide provides performance-driven, full-service environmental treatment programs to help purify water, wastewater, soil and air for refinery, oil, gas and petrochemical applications. REDUCED SULFUR COMPOUNT TREATMENT: Sulfur compounds, such as hydrogen sulfide, thiosulfates and mercaptans, can present serious wastewater problems for refiners. Hydrogen peroxide treatment is a cost effective way to treat these reduced sulfur species. SUPPLEMENTAL DISSOLVED OXYGEN: Hydrogen peroxide has been used to reduce BOD and COD in refinery wastewaters for many years. This includes: 1) Supply of Supplemental Dissolved Oxygen (DO) when biological treatment systems experience temporary overloads or equipment failure. 2) Predigestion of wastewaters which contain moderate to high levels of compounds that are toxic, inhibitory or recalcitrant to biological treatment. 3) As indicated by these examples, H2O2 can be used as a stand-alone treatment or as an enhancement to existing physical or biological treatment processes, depending on the situation. HIGH STRENGTH WASTEWATER PRETREATMENT: Hydrogen peroxide is one of the most versatile, dependable and environmentally compatible oxidizing agents. The relative safety and simplicity of its use as an oxidizing agent has led to the development of a number of applications in refinery wastewater systems.