流出油回収技術の現状と課題

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The Russian oil tanker Nakhodka (13,175 gross tonnage) was shipwrecked in stormy weather and sank in the Japan Sea on January 2 1997. The Nakhodka incident resulted in the leaking and drifting of a large amount of oil spills around the coasts of the Japan Sea. Presently, there is no effective equipment for the recovery of oil in a rough sea, so that this incident caused serious damages to the surrounding environment. There is a need to improve the recovery equipment during oil spills leakage in a rough sea. The existing oil spill recovery equipment in Japan did not work effectively at the Nakhodka incident. In this paper, the principle and type of oil recovery equipment was investigated, the oil spill recovery equipment at home and abroad, and the operating condition of oil recovery ship with regard to wave height and oil viscosity were studied, the weather condition in the Japan Sea was studied, and the assumed condition to be available for oil recovery equipment and oil recovery ship was clarified. The maneuverability, seakeeping ability, and oil storage capacity should be studied to develop the oil recovery ship. With regards to oil recovery equipment, it is necessary to develop a new type of equipment that can be used to recover high viscosity oil. Furthermore, the moonpool as a tool for reduction in waves has been the focus of investigation. The combination of moonpool type of ship and oil recovery equipment has been considered to be valid as the oil recovery ship against the high viscosity oil in a rough sea.
独立行政法人海上技術安全研究所の論文
1998-11-11

流出油回収技術の現状と課題

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