Pdf several compositions of fentons reagent and hydrogen peroxide alone were used to disinfect combined sewage samples from a. Regeneration of industrial district wastewater using a combination of fenton process and ion exchangea case study. Fenton process gives colour removal efficiency is 98% at ph 3 at feso4 of 0. Fentons reagent is a homogeneous catalytic oxidation process use a mixture of hydrogen peroxide iron ii ions in acidic medium to induce a complex redox for generating of hydroxyl radicals with a oxidation potential of 2. The fenton reagent is a mixture of hydrogen peroxide and a ferrous salt. Pdf fenton reaction controversy concerning the chemistry. Moreover, the importance of fenton chemistry has been long recognised among others in food chemistry and material ageing 17. In wastewater treatment operations, the processes of coagulation and flocculation are employed to separate suspended solids from water. Oxidation of 2,4dinitrotoluene using fentons reagent. Halogenated compounds tetrachloroethylene pce and trichloroethylene tce are converted to carbon dioxide, water, hydrogen and chloride ions. This creates a larger amount of hydroxyl radicals that are used to react with stable molecules. It is used to oxidize organic contaminates found in industrial wastewaters. The fenton reagent has been known for more than a century but its app lication as an oxidizing pro cess for destro ying hazard ous o rganics was not ap plied until the late 1960 s 2, 3.
Fenton s reagent can be used to destroy organic compounds such as trichloroethylene tce and tetrachloroethylene perchloroethylene, pce. We know that the fenton reagent defined as a mixture of hydrogen peroxide and. The uses of fentons reagent for the degradation of. Chemical oxidation of organics fenton wilson environmental. Fenton reagent advanced oxidation of polynuclear aromatic hydrocarbons in water. Studies with oligonucleotides showed that films combining dna, rupvp. Fenton reagent is effective in treating various industrial wastewater. Fenton s reagent is a solution of hydrogen peroxide h 2 o 2 with ferrous iron typically ironii sulfate, feso 4 as a catalyst that is used to oxidize contaminants or waste waters. Pdf regeneration of industrial district wastewater using. Pdf fenton reagent advanced oxidation of polynuclear. Fentons reagent has been widely used in wastewater applications for over 50 years. Reaction rates with fentons reagent are generally limited by the rate of.
Pdf use of fentons reagent as a disinfectant researchgate. However, if low doses of fentons reagent are being used e. Fentons reagent is the name given to the reaction of a solution of hydrogen peroxide and a ferrous iron catalyst. Today, fentons reagent is used to treat a variety of industrial wastes containing a range of toxic organic compounds phenols, formaldehyde, btex, and complex wastes derived from dyestuffs, pesticides, wood preservatives, plastics additives, and rubber chemicals. Fentons reagent general chemistry hydrogen perox usp. Treatment of industrial wastewater by fenton process combine with coagulation. Companies often use fenton s reagent to reduce the levels of organic contaminants through the chemical oxidation that occurs as the solution produces hydroxyl radicals. The fenton reagent is created by mixing iron ii, hydrogen peroxide and sulfuric acid. Chemical oxidation of organics using fentons reagent wilson. Fentons reagent is most commonly used to destroy organic compounds that are resistant to other wastewater treatment techniques such as biological treatment or carbon adsorption. Chemical oxidation by fenton process combine with coagulation can.