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Green Cruising Tom Dow
1. Canada New England Cruise Symposium
Tom Dow
Vice President - Public Affairs
2. Technology for Cleaner Air
Why Sea Water Scrubbing?
• Simple chemistry
• Proven application for land-based facilities
and as inert gas systems on petroleum & chemical
tankers
• Substantially minimizes harmful emissions
from diesel engines (SOx and particulate matter)
• Can be used in port or at sea
3. Scrubbed air exhaust
Krystallon Seawater Scrubber
How it Works - in Concept
Re-heat Section
Reheat Section
• Exhaust passes through a
Seawater Injectors
Sea Water Bath multi-sectioned scrubber.
Scrubber is designed to promote thorough
Seawater Scrubber Section mixing of gaseous engine emissions and
Sea water Scrubber seawater (wash water)
Engine Exhaust
Section
Exhaust System Supports
Exhaust System • Wash water is treated to
Supports
raise pH and separate solids
Engine Exhaust Pipe
Engine Exhaust Stack from liquids prior to
Wastewater
Wastewater
Wastewater Treatment
overboard discharge
Wastewater Treatment
Solids Ashore
Solids Ashore
Sea water monitored
Treated Liquid Overboard • Solids are collected as a
sludge and are properly
Seawater Pump
for pH and discharged
Holland America Line
July 2006
discharged ashore
4. Shore Power Projects
EXISTING
Juneau Alaska, Seattle & Vancouver
PLANNED
San Francisco, Los Angeles, San Diego,
Long Beach
Criteria for a Successful Project
Environmentally responsible source.
Availability of an adequate supply of electricity at a reasonable
cost.
Frequency of calls by cruise vessels equipped to connect to
Shore Power.
Availability of the same dock and pier facility for these vessels for
every call.
Adequate dock and uplands space for equipment.
Willing partners including – utility, port and government agencies.