Amazi ya amoniya y’uruganda rwa gaz: amazi yogejwe kandi agahindurwa amazi avuye muri gaz y’amakara mbisi, agasigwa ngo atandukane na kaburimbo; umuhondo werurutse kugeza ku kigina cyijimye, anuka amoniya, hydrogen sulfide na fenoli, uburemere bwihariye 1.01-1.03; isoko y’imyunyu ya amoniyumu.