zažužžukan rage yawan catalytic nox
Ragewar da Kwayoyin Kwayoyin (SCR) na fasahar NOx wata fasaha ce ta ci gaba don sarrafawa. an tsara ta don rage fitar nitrogen oxide (NOx) daga injin diesel. Babban aikin SCR shine rage wadannan gurbataccen gasa zuwa nitrogen mara lahani da tururin ruwa. Fasahar tana dauke da amfani da kwaya, wanda yawanci aka yi daga zinariya mai daraja, wanda ke saukaka hadewar sinadarai ba tare da an cinye shi a cikin tsarin ba. Tsarin SCR yana dauke da na'urorin jin kai da tsarin bayar da urea wanda ke shigar da adadin da aka auna da kyau na ruwa mai tushe na urea, wanda aka sani da DEF (ruwan fitar diesel), cikin hanyar fitarwa. A cikin wadannan yanayin zafin jiki da ke tsakanin 200-450C ne kwayar SCR ke da inganci mafi kyau wajen inganta hadewar sinadarai masu lalata don karya hadin gwiwa daga daya zuwa wacce ta biyo baya. Amfanin SCR yana da fadi, daga motoci masu nauyi da bas da na'urorin aiki a wajen hanya, da kuma tsarin wutar lantarki na masana'antu. Yana bayar da babbar gudummawa wajen rage matsalolin gurbatar iska a cikin mu.