FIELD: process engineering.
SUBSTANCE: invention relates to exhaust gas cleaning SCR system. Invention relates to engine (150) exhaust gas purification system including batcher (250) to feed reducing agent to discharge line (240) and includes the step of determination (s340) if exists the undesirable level of temperature of said batcher (250). In case said undesirable level is detected, heated reducing agent is removed (s360) from batcher (250) by its feed to discharge pipe (240) which causes calculation (s350) and removal of reducing substance to be removed proceeding from prevailing temperature of said batcher (250), or removal (s360) of preset amount as, in fact, all heated reducing agent of batcher (250) therefrom and into discharge line. Besides, invention relates to SCR system and vehicle (100) equipped therewith.
EFFECT: higher performances of SCR system.
18 cl, 5 dwg
