Babban Abubuwan Tsabtace Jirgin Sama na HEPA

HEPA (Maɗaukakin Ƙarfafa ƘarfafawaTace iska).{Asar Amirka ta kafa ƙungiyar ci gaba ta musamman a cikin 1942 kuma ta ƙera wani abu mai gauraye na fiber na itace, asbestos, da auduga.Ingantaccen tacewa ya kai kashi 99.96, wanda shine nau'in amfrayo na HEPA na yanzu.Daga baya, gilashin fiber hybrid takarda takarda da aka ɓullo da kuma amfani da atomic fasahar.A ƙarshe an ƙaddara cewa kayan yana da ƙimar tarko fiye da 99.97% don ƙwayoyin 0.3μm, kuma an sanya masa suna a matsayin tace HEPA.A wannan lokacin, kayan tacewa an yi su ne da cellulose, amma kayan yana da matsalolin rashin juriya na wuta da hygroscopicity.A cikin lokacin, an kuma yi amfani da asbestos azaman kayan tacewa, amma zai haifar da abubuwa masu cutar kansa, don haka kayan tace kayan tace mai inganci na yanzu yana dogara ne akan fiber gilashi yanzu.

ULPA (Ultra Low Penetration Air Filter).Tare da haɓaka na'urorin haɗaɗɗun ma'auni na matsananci, mutane sun haɓaka matattarar ingantaccen inganci don barbashi 0.1μm (tushen ƙurar har yanzu DOP), kuma ingancin tacewa ya kai sama da 99.99995%.An sanya mata suna tace ULPA.Idan aka kwatanta da HEPA, ULPA yana da mafi ƙarancin tsari da ingantaccen tacewa.Ana amfani da ULPA galibi a cikin masana'antar lantarki don lokacin, kuma babu rahotannin aikace-aikace a cikinsassan harhada magunguna da magunguna.