คำศัพท์เฉพาThe search for alternatives to better our environment is imperative. the voluntary or involuntary contribution to its degradation have grown to the point that the health of many people and of ecosystem is seriously threatened. A bird is eye view of the substance involved in the pollution arena allow one to note that most of them can normally be subject to either an oxidation or a reduction . For example,compounds containing highly oxidized chromium are quite toxic whereas their reduced counterpart are much less dangerous . In other word, Simple electron transfer can change a compound toxicity ,probably as a result of the concomitant geometry and standard potential change . Likewise. Many organic compounds lose their toxicity upon oxidation. Such an electron transfer can frequently be achieved on an electro filed surface. This open a wide door for the electrochemical treatment or destruction of pollutants ะทางเคมี