Investigation of strategies to improve the recycling effectiveness of waste oil from fishing vessels |
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| Authors: | Bin Lin Cherng-Yuan Lin Tain-Chyuan Jong |
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| Institution: | 1. Department of Merchant Marine, National Taiwan Ocean University, Keelung 20224, Taiwan;2. Department of Marine Engineering, National Taiwan Ocean University, Keelung 20224, Taiwan;3. Department of Transportation and Navigation Science, National Taiwan Ocean University, Keelung 20224, Taiwan |
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| Abstract: | The marine ecological environment and fishery resources can be severely polluted or destroyed by waste oil from fishing vessels if they are emitted directly into the ocean without any proper pre-treatment process. International conventions such as MARPOL 73/78 regulate waste-oil emissions and require the installation of a waste oil–water separator only for ocean-going ships of over 400 gross tons. Hence, these international conventions are not applicable to most fishing ships due to their low gross tonnages. In addition, space on most fishing vessels is too limited to allow waste-oil storage tanks or a waste oil-water separator to comply with international maritime regulations. Because a significant amount of waste oil is produced by fishing vessels around the world every day, effective strategies or measures are needed to prevent this waste oil from polluting the marine environment. This study thus investigates strategies and measures for improving the effectiveness of waste-oil collection from fishing vessels. This study found that existing procedures for the collection and treatment of waste lubricating oil on land could be applied to the management of waste oil and bilge water from fishing vessels. Sufficient oil–water separators and storage facilities for the collection of waste oil should be placed at each fishing port and shipyard. Fishermen should then be required to deliver their waste oil to these storage facilities, from where it can be transported to legal recycling companies for further treatment. In addition, fishing harbor authorities should bear definitive responsibility for monitoring the illegal dumping of waste oil and for checking the waste-oil record books of fishing vessels. Each maritime country should enforce relevant laws and regulations to reduce the emission of waste oil from fishing vessels into the ocean. |
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| Keywords: | Marine pollution Waste oil Fishing vessel |
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