AdBlue

AdBlue^® shine maganin urea mai ruwa 32,5% wanda aka yi shi da tsaftataccen urea na fasaha da kuma ruwan da aka lalata. Sunan maganin kuma yana iya zama AUS 32, wanda shine taƙaitaccen bayani ga Maganin Urea Aqueous Solution. Ruwan ruwa ne mai launi mara launi tare da warin ammoniya mai rauni. Maganin ba shi da kamshi mai guba, ba shi da tasiri a jikin mutum. Ba ya ƙonewa kuma ba a rarrabe shi azaman abu mai haɗari don jigilar kaya ba.

AdBlue^® shine mai rage NOx da ake buƙata don amfani da Zaɓin Rage (SCR) a cikin motocin dizal. An gabatar da wannan maganin a cikin mai haifar da kumburi, inda, bayan allura a cikin iskar gas mai ƙamshi, urea da ke ciki ya lalace cikin carbon dioxide (CO)₂) ammoniya (NH₃).

ruwa, dumi

urea → CO₂ + 2NH₃

Sannan ammoniya tana amsawa da sinadarin nitrogen (NO_X) wanda ke faruwa yayin ƙona man diesel. A sakamakon wani sinadarin sinadarai, ana fitar da sinadarin nitrogen marar lahani da tururin ruwa daga iskar gas. Ana kiran wannan tsarin zaɓin rage yawan zaɓin catalytic (SCR).

BA + A'A₂ + 2NH₃ → 2n₂ + 3H₂O

Tunda zafin zafin farko na crystallization shine -11°C, ƙasa da wannan zafin, ƙari AdBlue yana ƙarfafawa. Bayan maimaita defrosting, ana iya amfani da shi ba tare da hani ba. Yawan AdBlue a 20 C shine 1087 - 1093 kg/m3. Dosing na AdBlue, wanda aka adana a cikin wani tanki daban, yana faruwa a cikin motar gabaɗaya ta atomatik daidai da buƙatun sashin kulawa. A cikin yanayin matakin Yuro 4, adadin AdBlue da aka ƙara ya yi daidai da kusan 3-4% na adadin man da ake cinyewa, don matakin fitar da Euro 5 ya riga ya zama 5-7%. Ad Blue^® yana rage yawan kuzarin dizal a wasu lokuta har zuwa 7%, ta haka ne a wani bangare na rage farashin mafi girma na siyan motocin da suka cika buƙatun EURO 4 da EURO 5.