A na-eji ngwaọrụ nhazigharị emepụta ihe mkpofu (dịka PR, NMP, PMA, wdg) nke agba, ink, agba ákwà, na mmanụ ákwà mepụtara n'okpuru ọnọdụ usoro ụfọdụ iji nweta ngwaahịa mgbaze. A na-ejikarị ngwaahịa ndị a eme ihe dị ka ihe mgbaze maka ink, agba, ink, agba ákwà, na mmanụ ákwà, yana ihe nhicha n'imepụta ihe ngosi kristal mmiri mmiri.
Nwebata teknụzụ na akụrụngwa nke Ogano Company, ụlọ ọrụ edepụtara na Japan nke nwere ihe karịrị afọ 70 nke ahụmịhe na ọgwụgwọ mmiri, site na iji acid-base neutralization, kemịkalụ mmiri ozuzo, Fenton oxidation, pressurized air flotation, anaerobic hydrolysis, na IC internal circulation anaerobic Oxygen reaction, contact oxidation, activated carbon adsorption na usoro ọgwụgwọ mmiri mkpofu ndị ọzọ jikọtara ọnụ na-eme ka ụlọ ọrụ ahụ nwee ngwa zuru oke n'ihe gbasara akụrụngwa, teknụzụ na nkà iji megharịa ma gwọọ mmiri mkpofu organic nwere nnukwu mkpokọta, mmiri mkpofu nwere fluorine, acid mkpofu na alkali mkpofu, mmiri mkpofu nwere ọla kọpa na mmiri mkpofu ụlọ ọrụ ndị ọzọ na mmiri mkpofu ụlọ ọrụ. Ike nhazi kwa ụbọchị nke mmiri mkpofu dị iche iche nwere ike iru ihe karịrị tọn 100. Enwere ike iji mmiri eweghachiri agwọ dị ka mmiri ịsacha na ebe mmepụta na-acha akwụkwọ ndụ akwụkwọ ndụ nke mpaghara ụlọ ọrụ mmepụta ihe, na-enweta arụmọrụ akụrụngwa. ojiji.