Dangane da littafin 2021 na National Hazardous Waste List, mai mai da aka samar a lokacin samarwa, tallace-tallace, amfani da ma'adinai da kuma kunshin mai da aka gurbata suna cikin nau'in HW08 na sharar gida mai haɗari (lambar sharar gida mai haɗari 900-249-08), kamar tankunan man fetur na inji, tankunan man shafa, da sauransu; Wannan tsarin layin samarwa an tsara shi ne don aikin sake dawo da man fetur na HW08 mai haɗari. Dangane da buƙatun rarrabawa a cikin "National Hazardous Waste List", akwatunan marufi masu ƙunshi ko gurbataccen mai na ma'adinai kamar mai mai mai suna cikin nau'in HW08 mai haɗari na masana'antu. Ba ta cikin sharar gida ko sharar gida na masana'antu ba, tattara, ajiya, zubar da shi dole ne ya dace da bukatun Dokar Kula da Gurɓataccen Sharar gida ta Jamhuriyar Jama'ar Sin. Saboda haka, akwai bambanci mai mahimmanci a cikin tsarin tsari tsanani, cikakkiyar hatimi, cikakkiyar shiga tsakanin mutum da sauransu idan aka kwatanta da gargajiya ta sharar gida.

Babban raka'a na tsarin layin samarwa:

1. Pre-processing na farko;2, daya ragowar m tattara;3, karami karya + biyu ragowar m tattara (ko lalacewa);4, Strong tsabtace da kuma tsabtace;5, dehydration bushewa.