A na-eji mgbasa ozi nzacha porous porous na ihe ndị dị na mpaghara ụlọ ọrụ dị ka petrochemical, mmanụ etinyere, ọgwụgwọ mmiri, kemịkalụ, ngwaọrụ ahụike, nri na ihe ọ beụ ,ụ, ọgwụ, ibufe agụụ, ikuku na ọtụtụ ndị ọzọ.
• nkewa siri ike nke gas
• Nkewa mmiri siri ike
• ikewa nkewa na mgbake
• Ụlọ nrụpụta
• Sparging
• Mbufe oghere maka ntụ ntụ
• Cross-eruba nzacha
• Na-amịpụta mmiri
• nlekota ọkụ ọkụ
• Nzacha ọrụ: akara onwe, ikuku, iru mmiri, wdg.