Tsarin Rage Katalitik na Zaɓi (SCR): Fa'idodi, Abubuwan da ke ciki, da Aikace-aikace

Wani fasahar sarrafa hayaki ta zamani, tsarin Selective Catalytic Reduction (SCR) an tsara shi don rage hayakin Nitrogen Oxide daga injinan diesel. Yana da ikon ba kawai cire wadannan gurbatattun gazi da ke haifar da lahani ga mutane da muhalli wanda ya cika ka'idojin muhalli mafi tsauri ba, har ma yana canza su zuwa nitrogen mara guba da tururin ruwa. Tsarin SCR ya ƙunshi wani ƙarfe mai rufi da ke da catalyst, wani catalyst na urease da tsarin bayar da SCR (Selective Catalytic Reduction) wanda ke shigar da ruwa mai gurbata hayaki na diesel (DEF) cikin hanyar hayaki. Wannan yana faruwa a cikin wani yanayin zafin jiki da aka inganta, godiya ga sarrafawa da na'urorin jin kai. Ka'idojin hayakin hayaki sun zama masu tsauri da tsauri. Ka'idojin kasashe da dama sun bayyana a fili cewa ya kamata a rage hayakin nitrogen oxide zuwa rabi na guda ko ƙasa da haka daga matakan su na yanzu. Wannan shine dalilin da ya sa tsarin SCR ke da amfani sosai. Daga cikin sauran abubuwa, an girka shi a cikin motoci masu jigilar kaya na diesel, injinan jirgin ƙasa da kayan aikin gini. Duk waɗannan amfani suna taimakawa wajen samar da iska mai tsabta da ingantaccen muhalli.