Schedule 2 [P47] Development of OSDA-free *BEA-type zeolite with excellent deterioration resistance under high temperature steam atmosphere 規則性多孔体の合成と機能 〇Ryutaro Ohashi Ohashi1, Katsuhiko Hayashi1, Hidekazu Goto1, Yuichi Kitazaki1, Takashi Wakabayashi1, Yuunosuke Nakahara1 (1. MITSUI MINING & SMELTING CO.,LTD.)