Page 47: of Maritime Reporter Magazine (August 1994)

ABB Wins Emissions Reduction

System Order

ABB Flakt Marine of Gothenburg,

Sweden has been commissioned by the National Maritime Administra- tion of Sweden to supply SCR (Se- lective Catalytic Reduction) systems for one of its supply vessels, M/S

Scandica.

M/S Scandica is equipped with two Hedemora main engines and four Scania diesel auxiliary engines for a total installed power of 3.7

MW. ABB will supply the

NIXHAUST catalytic converter/si- lencer system for a multiple engine configuration with converters serv- ing three engines each.

The SCR system for M/S Scandica is the same type as the one ABB supplied in 1992 to the M/S Aurora

RoRo ferry that shuttles between

Sweden and Denmark. The system has reportedly been in continuous and trouble-free operationfor 13,000 hours with respective NOx and hy- drocarbon (HC) reductions^ 96 and 90 percent.

The retrofit installation on the

Scandica of two NIXHAUST sys- tems entails the removal of two ex- isting silencers and their replace- ment with catalytic converters that have integrated silencers; the con- version of a lube oil tank to a storage tank for the reagent, urea water, needed for the SCR process. The

NIXHAUST systems are designed to reduce concentrations ofNOx and

HC in exhaust gas by 90 and 80 percent, respectively.

Extensive tests done by the Envi- ronmental Research Institute of

Sweden on the ABB NIXHAUST reduction = 90-98% reduction = 80-95% reduction = 25-30 db(A)

Controt+Metering system Basic system configuration

NIXHAUST™ Catalytic Converter / Silencer for emissions control of marine diesel engines

SCR were done on three occasions — after 800, 1,200 and 1,800 hours of operation — and despite extreme load swings and countless starts and stops, the system reportedly succeeded in removing 97 percent of all NO emissions and 90 percent of all HCs.

For more information on ABB

Circle 11 on Reader Service Card

Coastal Towing Sells Tank

Barges To South America

Coastal Towing, Inc. sold its two 30,000-BBL tank barges — Coastal 3381 and Coastal 3581 — to South

American clients for operation in

Argentina.The barges will be trans- ported to Argentina by a heavy-lift submersible ship out of New Or- leans. Marcon International, Inc. acted as broker in this transaction.

Kirby Corp. To Buy Or Lease 101 Vessels From Dow

Kirby Corporation signed a letter of intent to purchase 65 inland tank barges, a river towboat and two shift- ing boats from the Dow Chemical

Company.

Kirby will also assume the leases or purchase of an additional 31 in- land tank barges and two towboats presently in Dow's service.

The inland tank barges have a total capacity of 1,121,000 barrels and consist of 84 double skin barges, six pressure barges and six acid barges. Kirby will operate the barges in its Inland Industrial and

Agricultural Chemical Division, which provides transportation of industrial and agricultural chemi- cals by tank barge to destinations along the Gulf Intracoastal Water- way and the Mississippi River. The addition of the 96 barges brings the number of barges operating in

Kirby's Inland Industrial and Agri- cultural Chemical Division to 381.

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August, 1994 Circle 314 on Reader Service Card 27