Feasibility investigation on a dual waste-plastics recycling system concept |
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| Authors: | Shin'ya Hayashi Kanemasa Nomaguchi Tsutomu Okusawa Osamu Yokomizo Yukio Ishigaki Hitoshi Ishimaru |
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| Institution: | (1) Power & Industrial Systems R&D Division, Hitachi, Ltd., 1-1 Saiwaicho 3-chome, Hitachi-city, Ibaraki 317, Japan Tel. +81-294-23-5793; Fax +81-294-23-2960 e-mail: okusawa@erl.hitachi.co.jp, JP;(2) Ship Research Institute, Ministry of Transport, Japan, JP;(3) Yamazaki Works, Hitachi Chemical Co., Japan, JP;(4) Hitachi Works, Hitachi Ltd., Japan, JP |
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| Abstract: | Fiber-reinforced plastics (FRP) were first used as a material for boats and bath tubs about 40 years ago. Because of their
great durability, wastes including FRP products are increasing. In addition, since the FRP resin is synthesized from expensive
reactants, material recycling is highly desirable. Recycling using supercritical water is one solution; however, the cost
of producing the high pressure and temperature needed to produce supercritical water prevents the concept from being realized.
Therefore, we proposed a system concept based on dual waste-plastics recycling. A numerical survey of the results confirmed
that our concept was feasible and would contribute to resource recycling as we expected.
Received: January 6, 1998 / Accepted: July 23, 1999 |
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| Keywords: | FRP Supercritical water Waste-to-energy incineration Boats Bath tub |
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