Three-way catalytic converters are effective in preventing air pollution from stoichiometric engines fueled by natural gas, propane or gasoline.

In this case, the oxidation of carbon monoxide (CO) and hydrocarbons (HC) as well as the reduction of nitrogen oxides (NOX) occur simultaneously to form the harmless products; carbon dioxide (CO2), water (H2O) and nitrogen (N2). The reaction conditions, and in particular the air to fuel (A/F) ratio, determine the efficiency of the conversion. The catalyst functions most efficiently when the engine runs slightly below the stoichiometric A/F ratio (λ = 1).

2 NO + 2 CO      →         N2 + 2 CO2

2 CO + O2         →         2 CO2

2 C2H6 + 7 O2     →         4 CO2 + 6 H2O

INTERKAT provides TWCs with an excellent activity, a broad lambda window and high thermal stability.

Aside from TWCs for aftermarket passenger cars, INTERKAT also provides TWCs for stationary applications, i.e. stoichiometric natural gas engines as used in combined heat and power (CHP) units.

“INTERKAT will always provide the optimal catalyst for your application”

Product characteristicCustomer benefitApplications
broad lambda windowhigh conversions over a broad A/F ratioStationary Gas Engines
high thermal stabilitylong term durability and lifetimeStationary Gas Engines