Umkhiqizo unenjongo ebanzi, ngokumelana nokugqwala okuhle kanye nokumelana ne-oxidation, usebenza kahle ukuqinisa, ukuvikela nokugcina izinga lokushisa ngendlela yesitsha se-mesh, ikheji lamatshe, udonga lokuhlukaniswa, ikhava yokubilisa noma ucingo lwenkukhu ekwakhiweni, i-petroleum, amakhemikhali, izimboni zokuzalanisa, izingadi nezokulungisa ukudla.