Selective catalytic reduction

Selective catalytic reduction (SCR) means converting nitrogen oxides, also referred to as NOx with the aid of a catalyst into diatomic nitrogen (N2), and water (H2O). A reductant, typically anhydrous ammonia (NH3), aqueous ammonia (NH4OH), or a urea (CO(NH2)2) solution, is added to a stream of flue or exhaust gas and is reacted onto a catalyst.

Source: Wikipedia — Selective catalytic reduction (CC BY-SA 4.0)

Selective catalytic reduction

Selective catalytic reduction (SCR) means converting nitrogen oxides, also referred to as NOx with the aid of a catalyst into diatomic nitrogen (N2), and water (H2O). A reductant, typically anhydrous ammonia (NH3), aqueous ammonia (NH4OH), or a urea (CO(NH2)2) solution, is added to a stream of flue or exhaust gas and is reacted onto a catalyst.

Source: Wikipedia "Selective catalytic reduction" · CC BY-SA 4.0

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