Phosphorous Poisoning Study For Diesel Oxidation Catalyst Umicore

Format:

Book

Conference/Event

Author/Creator:

Maynal, Rajesh A., author.

Contributor:

Maske, Vidyasagar

Rao, Shridhar

Ristori, Alain

Saini, Divya

Conference Name:

Symposium on International Automotive Technology (2021-09-29 : Pune, India)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2021

Summary:

To meet future emission levels the industry is trying to reducetailpipe emissions by both, engine measures and the development ofnovel catalytic emission control concepts. The present study willfocus on the Phosphorous impact on Pt based Diesel OxidationCatalyst after exposure to it over time based on engine oilconsumption for lifetime to meet the durability requirements ofIndian legislations and Indian OEMs. With BSVI announcement Indiaalong with US/Europe will ply their Automobile/Non-Road(>56Kw)engines with Diesel Oxidation Catalysts (DOC), Diesel ParticulateFilters (DPF), devices for Selective Catalytic Reduction (SCR) andlast but not least an Ammonia Slip Catalyst (ASC). This entirechain of After Treatment system elements play a vital role inemission reduction. Apart from this, these system elements are verymuch dependent on their preceding system and their performancestrongly depend on the previous Catalytic function. DOC being firstbrick of this chain experiences exposure of varieties of speciescoming out of Engine exhaust. Some of these species are veryharmful to the DOC and subsequent Catalytic monoliths. Phosphorusis one of the undesirous species coming out of exhaust and itsdamage on DOC catalyst is severe and makes it unable to performsome important functionality expected out of it. Umicore alwaysstrive to design the catalyst not only for legislative cycles butensure that these systems work well till the end of the usefullife. The durability and reliability of the DOC catalyst becomemost critical for entire After Treatment system as well as forstandalone DOC system for the engines with DOC onlyafter-Treatment. This is well supported by M&M-FD to augmentthis important study. Supported by many experimental results,engine test data and post mortem analysis the paper describes howPhosphorus affects DOC functionality. The scatter of Phosphorus andother poisoning elements on DOC through SEM. Keywords: BS VI,Emissions, DOC, DPF, SCR, ASC, Durability, Poisoning

Notes:

Vendor supplied data

Publisher Number:

2021-26-0204

Access Restriction:

Restricted for use by site license