{"title":"赤外分光法を用いた重質炭化水素の平均分子構造パラメーターの推算","authors":"Eri FUMOTO, Shinya SATO, Masato MORIMOTO","doi":"10.1627/jpi.66.231","DOIUrl":"https://doi.org/10.1627/jpi.66.231","url":null,"abstract":"コールタールや石油残さ等の重質炭化水素は安価な炭素繊維原料であり，平均分子構造解析は，これらの重質炭化水素の平均構造モデルを決定する重要な技術である。モデルの決定には，元素分析，平均分子量，核磁気共鳴（NMR）スペクトルを用いる。しかし，実験室規模の研究ではNMR測定に必要な量の試料を確保できないことがめずらしくない。また，溶媒に不溶な試料が少なくない。そこで，NMRの代替法として，赤外分光（IR）スペクトルを用いた重質炭化水素の平均分子構造パラメーターの推算法を開発した。IRでは1～2 mgのわずかな量の試料や溶媒に不溶な試料を測定できる。炭素芳香族性，芳香族炭素に対する末端メチル基のモル比，メチル基とメチレン基の和に対するメチル基のモル比，ケトンとカルボン酸の酸素含有量等のパラメーターの推算式を，石炭，アスファルテン，モデル化合物等の様々な試料のIRスペクトルや水素／炭素比を用いて決定した。","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135162059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of Phosphorus and Zinc on the Catalytic Performance of CoMo/Al<sub>2</sub>O<sub>3</sub> for Mild Hydrocracking of VGO","authors":"Hikaru YAMADA, Kazuyuki KOMORI, Masaaki HANEDA","doi":"10.1627/jpi.66.208","DOIUrl":"https://doi.org/10.1627/jpi.66.208","url":null,"abstract":"重油から付加価値の高い軽質油へ転換する方策の一つとして水素化脱硫装置におけるマイルドハイドロクラッキング（MHC）運転がある。しかし，MHCは触媒へのコーク堆積量も増加することから，触媒劣化に対応する必要がある。著者らのグループは過去にZnおよびPを添加することで，触媒劣化を抑制できることを見出している。本研究では，添加元素の影響を評価するためにP，Zn，Zn＋Pを添加したγ-アルミナ担体を作製し，酸性質，水素活性能力を評価した。また，得られた表面性質と触媒性能を相関付けるためにCo/Mo触媒を調製し，ベンチプラントにて評価した。その結果，Zn＋P触媒はP触媒と比較して劣化が抑制されていた。Zn＋P担体のブレンステッド酸点低下と水素活性化能力向上により，コークの生成が抑制されていたことによると考えられる。生成油性状に関し，Zn＋P触媒では，ナフサ得率の低下を確認した。ブレンステッド酸点の低下による炭素–炭素結合の切断能力の低下が影響している。また，アロマ分も低下しており，水素が効率的に活性化され，原料油への水素付加が促進されたためと考えられる。","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135162304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Liquid Phase Oxidation of Glycerol over Gold-based Catalysts in Flow and Batch Reactor","authors":"Naoki MIMURA","doi":"10.1627/jpi.66.195","DOIUrl":"https://doi.org/10.1627/jpi.66.195","url":null,"abstract":"金を主成分とする触媒を用い，酸素を酸化剤として用いるグリセロールの酸化反応の研究を行った。本研究において，グリセロールを原料にして得られる生成物はカルボン酸類であり，高付加価値 · 高機能な分子として期待される。反応は，バッチ式反応器とフロー式反応器の両者を用いて行った。特に，フロー式反応器に適した触媒の開発に重点を置き，高活性と長寿命を両立する触媒を見出した。反応機構については，Au/Al2O3触媒に着目し，添加アルカリの効果を明らかにするとともに，触媒上で酸素が活性化する機構を提案した。また，高分解能電子顕微鏡を用いることで，触媒の活性を担っているナノサイズの金，および金と複合化した他の貴金属の状態を明らかにし，反応に与える影響について考察した。","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161557","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effective Dechlorination of 2-Chloropropene to Propylene on a Metallic Nickel Catalyst Supported on γ-Alumina","authors":"Shigeru SUGIYAMA, Yuka HIWADA, Ryota YAHARA, Taichi NISHIMURA, Naohiro SHIMODA","doi":"10.1627/jpi.66.217","DOIUrl":"https://doi.org/10.1627/jpi.66.217","url":null,"abstract":"前報では，アルミナ担持パラジウム触媒による 2-クロロプロペン（2-PEN）の接触還元が348 Kで高い活性を示したことを報告した。しかしこの場合，2-クロロプロパン（2-PAN），プロピレンおよびプロパンが非選択的に生成されたので，実際の社会実装を考えると分離プロセス併設が不可欠となっていた。本研究では，アルミナ担持ニッケル触媒が2-PENのプロピレンへの高選択的変換を達成できることを明らかにした。たとえば，473 Kでは，10 %のNiを担持した触媒を用いると，2-PENの転化率が15.0 %，プロピレンの選択率は95.7 %に達した。ただし，プロピレン収率が14.3 %であったため，623 Kで反応を検討した。その結果，2-PENの転化率75.6 %，プロピレンへの選択率78.6 %となり，プロピレン収率が59.4 %となった。最も注目すべき点は，この条件下でプロパンが生成されなかったことである。したがって，本触媒系では，プロパンとプロピレンを分離する必要はない。ニッケルを触媒として用いることで，プロピレンからプロパンへの過度の還元が抑制されると結論付けられた。","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135162299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Satoru Murata, Taichi Nakai, M. Hatakeyama, S. Sunada
{"title":"ベンゾチオフェンおよびジベンゾチオフェン誘導体の酸化における構造と反応性の相関","authors":"Satoru Murata, Taichi Nakai, M. Hatakeyama, S. Sunada","doi":"10.1627/jpi.66.142","DOIUrl":"https://doi.org/10.1627/jpi.66.142","url":null,"abstract":"","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82001815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Katsuhiko Takeuchi, Keisuke Takahashi, Yusuke Ishizaka, Hiroki Koizumi, Haruki Nagae, Kazuhiro Matsumoto, N. Fukaya, J. Kuwabara, T. Kanbara, Jun-Chul Choi
{"title":"亜鉛錯体触媒によるテトラメチルオルトシリケートを用いたCO2からの有機カルバメート合成におけるフェナントロリン配位子上の置換基効果","authors":"Katsuhiko Takeuchi, Keisuke Takahashi, Yusuke Ishizaka, Hiroki Koizumi, Haruki Nagae, Kazuhiro Matsumoto, N. Fukaya, J. Kuwabara, T. Kanbara, Jun-Chul Choi","doi":"10.1627/jpi.66.185","DOIUrl":"https://doi.org/10.1627/jpi.66.185","url":null,"abstract":"","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91145393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ken Motokura, Kyosuke Gomi, K. Maeda, Shunichi Sakai, S. Hasegawa, Wang Chun, Yuichi Manaka
{"title":"Silica-supported Cu Complex Catalysis for Chan–Evans–Lam Coupling Reaction between Aniline and Phenylboronic Acid","authors":"Ken Motokura, Kyosuke Gomi, K. Maeda, Shunichi Sakai, S. Hasegawa, Wang Chun, Yuichi Manaka","doi":"10.1627/jpi.66.171","DOIUrl":"https://doi.org/10.1627/jpi.66.171","url":null,"abstract":"","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86227314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Junya Ohyama, A. Hirayama, H. Yoshida, M. Machida, Kazuo Kato, S. Nishimura, Keisuke Takahashi
{"title":"Relationship between Redox Rate and Catalytic Activity of Cu Zeolite in the Partial Oxidation of Methane","authors":"Junya Ohyama, A. Hirayama, H. Yoshida, M. Machida, Kazuo Kato, S. Nishimura, Keisuke Takahashi","doi":"10.1627/jpi.66.180","DOIUrl":"https://doi.org/10.1627/jpi.66.180","url":null,"abstract":"","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81949511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Uchida, Jun Akimoto, Hiroyuki Nakamura, Takao Nozaki
{"title":"Creation of a Safety Information Platform Applying AI Analysis Technology: Prototyping Analysis Methods","authors":"M. Uchida, Jun Akimoto, Hiroyuki Nakamura, Takao Nozaki","doi":"10.1627/jpi.66.189","DOIUrl":"https://doi.org/10.1627/jpi.66.189","url":null,"abstract":"","PeriodicalId":17362,"journal":{"name":"Journal of The Japan Petroleum Institute","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77994053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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