Page 77: of Maritime Reporter Magazine (September 1993)

Engine

Exhaust

NH3 Tank

Dilution Air

On land

Topsoe SCR DENOX Process

Engine Load 1 with SCR )Qfh it iSIlf:

NH, Evaporator

Out Signal

Cleaned Gas

Diesel (HFO) Power Plant

Kauai Island

Hawaii ;el Engine and Gas Turbine NOx Emission Control by Selective Catalytic Reduction (SCR Process) ior Topsoe A/S has specialized in the design and supply of complete SCR DENOX units for reduction of NOx (up to 98 %) in the exhaust gas from stationary as well as marine reciprocating four-stroke and two-stroke engines jurning HFO, LFO or Nat. Gas) and gas turbines. - The design of the SCR DENOX units is based on Topsoe proprietary catalyst series DNX, featuring modular monoli- lic structure, high NOx removal activity, high tolerance to contamination, low oxidation activity, low pressure drop, low weight and especially designed to withstand heavy exhaust pulsations and engine vibrations.

Haldor Topsoe A/S also has catalyst and know-how for removal of CO and HC from diesel engine and gas turbine exhaust gases.

For more information, please call or write:

HALDOR TOPSOE A'S

Head office in Denmark:

Haldor Topsoe A/S

Equipment Division

Nymollevej 55

DK 2800 Lyngby + 45 45 27 2000 + 45 45 27 29 99

North American Office:

Haldor Topsoe Inc. 17629, El Camino Real

Houston, Texas 77058

Phone: +1-713-4802600

Telefax: + 1-713-4803371

Circle 174 on Reader Service Card