SCR

Improving high-temperature NOx conversion in the combined NSR-SCR system with an SCR catalyst mixed with an NH3 adsorbent

SCR

論文掲載先: Applied Catalysis A: GeneralAvailable online 5 June 2019 https://doi.org/10.1016/j.apcata.2019.06.003 著者: Toyota Central R&D Labs 要約: 環境保護に対する世界的な関心の高まりおよび自動車の排気ガスからの汚染物質の排出量を減少さ…

★Detailed Characterization Studies of Vehicle and Rapid Aged Commercial Lean NOx Trap Catalysts

論文掲載先: Emission Control Science and Technology https://pubs.acs.org/doi/10.1021/acs.iecr.8b01468 著者: Volvo Cars Chalmers University of Technology 要約: 市販のリーンNOxトラップ(LNT)触媒をエージングさせ、それらの性能に対するエ…

★Practical aspects of urea SCR for automotive NOx control

論文掲載先 CLEERS 2018 https://cleers.org/cleers-workshops/workshop-abstracts/?entry_id=1144 著者 Christine Lambert, Ford Motor Co. 論文概要 Urea SCR is originally a steady-state technology used in stationary source NOx control, such as at…

Aftertreatment Protocols for Catalyst Characterization and Performance Evaluation: Low-Temperature Oxidation, Storage, Three-Way, and NH3-SCR Catalyst Test Protocols

SCR

論文掲載先 Emission Control Science and Technology June 2019, Volume 5, Issue 2, pp 183–214 https://doi.org/10.1007/s40825-019-00120-7 https://cleers.org/cleers-workshops/workshop-abstracts/?entry_id=1229 著者 FCA,Ford,GM,... 論文概要 一連…

Micropore diffusivities of NO and NH3 in Cu-ZSM-5 and their effect on NH3-SCR

論文掲載先 Catalysis Today Volume 332, 15 July 2019, Pages 64-68 https://doi.org/10.1016/j.cattod.2018.06.056 著者 Hokkaido University 論文概要 373Kから423Kまでの温度範囲で定体積法を用いてCu-ZSM5の微孔(micropore)拡散係数を実験的に測定した…

Dynamic CuII/CuI speciation in Cu-CHA catalysts by in situ Diffuse Reflectance UV–vis-NIR spectroscopy

SCR

論文掲載先 Applied Catalysis A: GeneralVolume 578, 25 May 2019, Pages 1-9 https://doi.org/10.1016/j.apcata.2019.03.018 著者 University of Turin Umicore 論文概要 試料組成(Si / AlとCuの含有量が異なる2つの試料)に関して銅環境の変化を調べるた…

The deactivation of an NH3-SCR Cu-SAPO catalyst upon exposure to non-oxidizing conditions

SCR

論文掲載先 Applied Catalysis A: GeneralVolume 580, 25 June 2019, Pages 11-16 https://doi.org/10.1016/j.apcata.2019.03.027 著者 R.Villamaina a I.Nova a E.Tronconi a T.Maunula b M.Keenan c aDepartment of Energy, Laboratory of Catalysis and C…

NOx Performance Degradation of Aftertreatment Architectures Containing DOC with SCR on Filter or Uncatalyzed DPF Downstream of DEF Injection

論文掲載先: SAE: 2019-04-02 https://www.sae.org/publications/technical-papers/content/2019-01-0740/ 著者: Deere & Company 要約: SCRoF、SCRF、SDPFとも呼ばれるSCR on filterは、Euro 6排出ガス規制を満たすために利用されています。 close-coupled …

Influence of Na, P and (Na+P) poisoning on a model copper-ferrierite NH3-SCR catalyst

SCR

論文掲載先 Applied Catalysis B: EnvironmentalAvailable online 18 March 2019 https://doi.org/10.1016/j.apcatb.2019.03.044 著者 University of Poitiers, Renault Trucks Highlights•Na impregnation led to a migration of exchanged copper and CuO …

★Selective Catalytic Reduction of NOx by Ammonia: Fe/zeolite Catalyst Development and Reaction AnalysisアンモニアによるNOx選択還元: Fe/ゼオライト触媒開発と反応解析

論文掲載先: 豊田中央研究所 R&D Review 42巻1号 2011年3月 https://www.tytlabs.com/review/japanese/issue/vol42-1.html http://gakui.dl.itc.u-tokyo.ac.jp/cgi-bin/gazo.cgi?no=217539 著者: 豊田中央研究所 ハイライト: NH3によるNOx選択還元(SCR)にお…

Phosphorus modified small-pore zeolites and their catalytic performances in ethanol conversion and NH3-SCR reactions

SCR

論文掲載: Applied Catalysis A: GeneralAvailable online 21 February 2019 https://doi.org/10.1016/j.apcata.2019.02.026 http://journal.jza-online.org/10.20731/zeoraito.35.3.92/data/index.html 著者: Hiroshima university 広島大学 Tosoh corp. 東…

SKYACTIV-D用NOx後処理システムの開発

論文掲載先: マツダ技報 2018 http://www.mazda.com/globalassets/ja/assets/innovation/technology/gihou/2018/files/2018_no013.pdf 要旨: ディーゼルエンジンは,CO2排出量が少ない内燃機関として,欧州を中心に技術進化しながらシェアを拡大してきた。同…

SCR 触媒の尿素分解過程が NOx 浄化性能に及ぼす影響

著者: いすゞ中央研究所 論文リンク ・Fe-,Cu-および Ce-SCR の各ゼオライト系 SCR 触媒を用いて尿素水を還元剤とする NO 浄化試験を実施した結果,いずれの触媒においても NO 浄化特性はアンモニアを使用した場合とほぼ同等であったが,160 ºC より低温の…

SCRシステムの性能予測技術開発~多様なSCR搭載レイアウトの開発にむけて~

論文掲載先: ヤンマーテクニカルレビュー 2017年10月5日 https://www.yanmar.com/jp/technology/technical_review/2017/1005_4.html 要旨: SCRシステムのミキシング配管の数値解析評価手法を構築して以下の成果を得た。 ・NOx浄化率に寄与するNH3均一度の解…

Spectroscopic and kinetic responses of Cu-SSZ-13 to SO2 exposure and implications for NOx selective catalytic reduction

SCR

論文掲載先: Applied Catalysis A: GeneralVolume 574, 25 March 2019, Pages 122-131 https://doi.org/10.1016/j.apcata.2019.01.024 著者: Cummins Inc University of Virginia ... ハイライト:•Dry SO2 streams poison Z2Cu and ZCuOH sites in Cu-SSZ-13…

Development of Ultra-Stable Cu-SCR Aftertreatment System for Advanced Lean NOx Control

SCR

論文掲載先 SAE Technical Paper : 2019-01-0743 著者 Hyundai Motor Company https://www.sae.org/publications/technical-papers/content/2019-01-0743/ Abstract The integration of SCR catalyst into diesel-particulate filter (SDPF) may be one of m…

Effects of zeolite structure, Cu content, feed gas space velocity, NH3/NOx ratio, and sulfur poisoning on the performance of zeolite-based SCR catalyst

SCR

論文掲載先 SAE Technical Paper : 2019-01-0736 To be published on April 2, 2019 by SAE International in United States https://www.sae.org/publications/technical-papers/content/2019-01-0736/ 著者 Tongji University, Bondlye Environmental Tech…

Investigation of the robust hydrothermal stability of Cu/LTA for NH3-SCR reaction

SCR

論文掲載先 Applied Catalysis B: EnvironmentalAvailable online 17 January 2019 著者 Cummins Chalmers Univ.- Louise Olsson... https://doi.org/10.1016/j.apcatb.2019.01.039 Highlights •A novel Cu/LTA catalyst was synthesized via incipient wetn…

Nature of active sites in Cu-LTA NH3-SCR catalysts: A comparative study with Cu-SSZ-13 /Cu-LTAの活性サイトに関する、Cu-SSZ13との比較研究

SCR

論文掲載先: Applied Catalysis B: EnvironmentalAvailable online 4 January 2019 https://doi.org/10.1016/j.apcatb.2019.01.006 著者: Taekyung Ryu Hyojun Kim Suk Bong Hong Highlights: •Both Cu2+ and [Cu(OH)]+ ions exist active sites in Cu-LTA, …

Mechanistic Study of the NO + NH4NO3 Reaction on H- and Fe/H-BEA Zeolites Using 15N and 18O Labeled Species

SCR

論文掲載先 Topics in Catalysis November 2018, Volume 61, Issue 18–19, pp 1967–1973 https://link.springer.com/article/10.1007/s11244-018-1026-y 著者 E. Tronconi, I. Nova ... Abstract Reduction of NO by NH3 over metal-promoted zeolites repre…

Development and Validation of a Two-Site Kinetic Model for NH3-SCR over Cu-SSZ-13. Part 2. Full-Scale Model Validation, ASC Model Development, and SCR-ASC Model Application

Emission Control Science and Technology September 2018, Volume 4, Issue 3, pp 172–197 Rohil Daya, Chintan Desai, Bruce Vernham: Isuzu Technical Center of America https://link.springer.com/article/10.1007/s40825-018-0094-6 Abstract We prese…

Development and Validation of a Two-Site Kinetic Model for NH3-SCR over Cu-SSZ-13. Part 1. Detailed Global Kinetics Development Based on Mechanistic Considerations

Emission Control Science and Technology, September 2018, Volume 4, Issue 3, pp 143–171 Rohil Daya, Chintan Desai, Bruce Vernham: Isuzu Technical Center of America https://link.springer.com/article/10.1007/s40825-018-0095-5 Abstract In this…