Authors: Mesbahi, Ehsan; Norman, Rosemary; Peng, M. Wan Chee

Source: Marine Technology, Volume 44, Number 3, July 2007 , pp. 194-202(9)

Publisher: Society of Naval Architects and Marine Engineers (SNAME)

Abstract:

The ecosystem and economic damage caused by the introduction of nonindigenous marine species through the medium of ballast water has led to much research into onboard ballast water treatment systems. These treatment systems must be capable of meeting the new IMO standards while having a minimal effect both on the environment and on the operational cost and safety of the vessel. One promising solution to the problem appears to be thermal treatment of ballast water, although low-temperature treatment systems have some limitations, notably the long treatment time required. High-temperature ballast water treatment at discharge using a two-stage heat exchanger has been successfully demonstrated at laboratory and pilot scale. An intelligent simulation model is presented that may be used as a design tool to estimate capital and operational costs of a high-temperature treatment system. A study of the economic impact of such a treatment system on a range of bulk carriers has been carried out, and the results are presented.

Document Type: Research article

Publication date: 2007-07-01

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• Marine Technology is dedicated to James Kennedy, 1867-1936, marine engineer, and longtime member of the Society, in recognition and appreciation of his sincere and generous interest in furthering the art of ship design, shipbuilding, ship operation, and related activities.
  
  The Technical papers in this quarterly flagship journal cover a broad spectrum of research on the latest technological breakthroughs, trends, concepts, and discoveries in the marine industry. SNAME News is packed with Society news and information on national, section, and local levels as well as updates on committee activities, meetings, seminars, professional conferences, and employment opportunities.
  
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