Development of energy saving VOC treatment systems with a platinum-supported Co-Ce oxide catalyst

2023 Fiscal Year Final Research Report

• Project/Area Number: 19K04943
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 25020:Safety engineering-related
• Research Institution: Tokyo Metropolitan Industrial Technology Research Institute
• Principal Investigator: Kenichiro Inoue 地方独立行政法人東京都立産業技術研究センター, 研究開発本部機能化学材料技術部プロセス技術グループ, 主任研究員 (00620436)
• Project Period (FY): 2019-04-01 – 2024-03-31
• Keywords: 有機溶剤蒸気

Outline of Final Research Achievements

Organic solvent vapor volatilized in an oven (internal volume: 303 L) was treated in the same oven using a catalyst and the oven's own heat. At 250 deg-C, acetic esters in a commercial-grade Pt/Al2O3 catalyst and toluene (aromatic hydrocarbon) in a Co3O4-CeO2 catalyst were not completely oxidized and parts of them remained. Moreover, the Co3O4-CeO2 catalyst did not completely oxidize the by-products generated by the hydrolysis and oxidation of the acetic esters. In addition, polycyclic aromatics were generated at 230 deg-C in these catalysts. The organic solvent vapor was almost completely oxidized by using an original Pt/Co3O4-CeO2 catalyst.

Free Research Field

環境安全プロセス

Academic Significance and Societal Importance of the Research Achievements

塗装や印刷の連続炉内で揮発した有機溶剤蒸気を同一の炉内で触媒処理するプロセスを提示した。Co-Ce酸化物と白金を独自の方法で組み合わせた触媒の、当該プロセスへの適用によって従来触媒では難しい、芳香族炭化水素類と酢酸エステルの混合蒸気の低温酸化を可能とした。触媒処理のための独立した加熱操作を必要としない、省エネ型処理システムの実用化につなげられる。