Spending money to save money

Article Abstract:

Cruise ships and ferries are faced with the problem of disposing of grey water from waste such as grease, food particles, and sewage on board. The cruise ship industry adheres to a policy of dumping its grey water only when vessels are 3 or 4 miles out to sea, despite a lack of any international or national laws regarding the discharge of waste into the ocean in most areas. Ship operators have the option of treating wastewater through chemical methods such as chlorination, mechanical means such as filtration, or through controlled untreated discharge into deep waters.

Refuse systems, Ocean Dumping, Other Nonhazardous Waste Treatment and Disposal, Waste management, Cruise ships, Water purification equipment and supplies industry, Water treatment equipment industry, Waste disposal in the ocean, Ocean waste disposal, Ocean liners, Rochem RO Wasserbehandlung

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Emphasis on speed

Article Abstract:

Incat-manufactured vessels made two record-breaking Atlantic crossings en route to their new owners. The 91m 'Catalonia,' a wave-piercing catamaran, completed the 2,972 nautical mile distance between New York and Tarifa, Spain, at an average of 38.877 knot (72 km/hr). Buquebus-owned Catalonia broke the 36.65-knot record set by 'Hoverspeed Great Britain' in 1990. The record was broken less than six weeks later by 'Cat-Link V' at an average of 41.284 knots. 'Cat-Link V' is owned by Scandlines Cat-Link A/S.

Shipbuilding industry, Incat

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Eliminating the bugs

Article Abstract:

Manufacturers of fast ferries are addressing excessive wash problems reported by operators. Stena, builder of HSS vessels, quickly addresses the complaint by examining factors such as state of the sea, wind force, tide, profile of the coastline, depth of water and speed and course of ferries. Structural changes are made into Stena's HSS vessels such as replacing bilge keels with aluminum and adding side fendering on main deck levels.

Inland Water Passenger Transportation, Ferries, Ferry Services, Control systems, Energy efficiency

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