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SCR NOx Control Catalyst for Diesel Engine Fe/zeolite Cu/Zeolite Vanadium

SCR Catalyst (NOx Control Catalyst)

NOx oxides are by-products of combustion reactions in air, and these gases are harmful to human health and the environment. The SCR catalysts have honeycomb structures, which can Selective Catalytic Reduction (SCR) of nitrogen oxides (NOx) efficiently in the presence of excess O2 atmosphere. NOx is reduced to N2 and H2O by ammonia (or using urea as precursor) with which is used as a reducing agent.

Advantages:

• Low pressure drop
• High surface area
• Good consistency water absorption
• Low thermal expansion coefficient
• Good heat shock resistance and heat vibration resistance
• Ideal matching with various active catalyst components

Features

WFEC has developed SCR catalysts for meeting NOx emission control both of mobile and stationary applications. Depending on different application scene, WFEC can provide matched wash-coated products including Fe/zeolite (450~620 ^oC), Cu/Zeolite (190~550 ^oC), vanadium-based metal oxides (230~470 ^oC) and Mn-containing oxide catalysts (130~250 ^oC).

Applications

Boilers / Turbines

Diesel engine emissions

Engine systems for vessels

Industrial processes

Others (iron and steel making, coking plant and cement manufacturing)

Specifications