Kitakyusyu Conv. of JPI (56th Petroleum-Petrochemical Symposium of JPI)
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Session Details

Plastic recyclePlastic recycle

[2A01-08]Plastic recycles(2)

Fri. Oct 30, 2026 9:00 AM - 11:15 AM JST
Fri. Oct 30, 2026 12:00 AM - 2:15 AM UTC
Room-A (1F-Main Hall)
Chair:
Koji Nakano (JGC Catalysts and Chemicals Ltd.) 9:00～10:00
Ryuichi Takasawa (JPEC) 10:15～11:15
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)Japanese

[2A01]Development of large-scale chemical recycling technology for mixed waste plastics using existing refinery units (part 1) investigation of conditions for depolymerization of waste plastics by co-processing with heavy oil

○Kaishin Nakajima1, Shogo Kumagai1,2, Patchiya Phanthong1, Siqingaowa Borjigin1, Yuko Saito1, Masazumi Tamura3, Koichi Matsushita4, Takashi Morikita5, Ryuichi Takasawa5, Toshiaki Yoshioka1,2 (1. Tohoku University, 2. Chulalongkorn University, 3. Kyoto University, 4. ENEOS Corporation, 5. Japan Petroleum and Carbon Neutral Fuels Energy Center)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)Japanese

[2A02]Development of Large-Scale Chemical Recycling Technology for Mixed Waste Plastics Using Existing Refinery Units (part 2) Effect of co-processed oil with waste plastics on residue hydroprocessing

○Koichi Matsushita1, Yo Agawa1, Kaishin Nakajima2, Shogo Kumagai2,3,6, Toshiaki Yoshioka2,6, Masazumi Tamura4, Takashi Morikita5, Ryuichi Takasawa5, Tomoyuki Hirao1, Taku Maeda1 (1. ENEOS Corporation, 2. Graduate School of Environmental Studies, Tohoku University, 3. Graduate School of Engineering, Tohoku University, 4. Institute of Advanced Energy, Kyoto University, 5. Japan Petroleum and Carbon Neutral Fuels Energy Center, 6. Chulalongkorn University)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)Japanese

[2A03]Hydrogenolysis of polyolefinic plastics over rhenium-modified ruthenium catalysts

○Ren Fukuda1, Yusuke Kita2, Pengru Chen2, Masazumi Tamura2 (1. Graduate School of Energy Science, Kyoto University, 2. Institute of Advanced Energy, Kyoto University)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)English

[2A04]Selective Hydrogenolysis of Polyethylenes over La2O3-CeO2-Supported Ru Catalysts

○ZICHEN PENG1, Yusuke Kita2, Chen Pengru2, Masazumi Tamura2 (1. Graduate School of Energy Science, Kyoto University, 2. Institute of Advanced Energy, Kyoto University)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

break

10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)Japanese

[2A05]Degradation of polyolefin over Zr3SO9 catalyst

○Yasuharu Kanda1, Go Tamura1, Satoshi Ishikawa2 (1. Muroran Institute of Technology, 2. Institute of Science Tokyo)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)Japanese

[2A06]Liquid-phase cracking behavior of alkanes catalyzed by MFI zeolite

○Ikuto Nakashita1, Ryo Honda1, Shinichiro Matsushita1, Nao Tsunoji1, Etsushi Tsuji1, Naonobu Katada1 (1. Center for Research on Green Sustainable Chemistry, Tottori University)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)Japanese

[2A07]Effect of beta catalyst on polyethylene decomposition in the presence of calcium carbonate

○Imamura Satomi1, Sakai Motomu1,2, Matsukata Masahiko1,3,4 (1. Waseda University, 2. Tokyo University of Science, 3. Research Organization for Nano & Life Innovation, Waseda University, 4. Advanced Research Institute for Science and Engineering, Waseda University)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)Japanese

[2A08]Development of Alkali-Treated Zeolite Catalysts for HDPE Cracking in Hydrocarbon Solvents

○Daiki Kamiki1, Motomu Sakai2,3, Masahiko Matsukata1,4 (1. Department of Applied Chemistry, Waseda University, 2. Faculty of Advanced Science and Engineering, Waseda University, 3. Faculty of Engineering, Tokyo University of Science, 4. Research Organization for Nano & Life Innovation, Waseda University・Advanced Research Institute for Science and Engineering, Waseda University)
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