{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T15:48:13Z","timestamp":1772812093802,"version":"3.50.1"},"reference-count":20,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2004,6,17]],"date-time":"2004-06-17T00:00:00Z","timestamp":1087430400000},"content-version":"vor","delay-in-days":8022,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["AIChE Journal"],"published-print":{"date-parts":[[1982,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Intraparticle forced convection was considered in order to explain experimentally observed changes in effective diffusivity (apparent) with flowrate, when measures are carried out in fixed beds.<\/jats:p><jats:p>A complete model taking into account intraparticle diffusion and forced convection together with film diffusion is derived in order to analyze diffusivity measurements by physical methods, both in perfectly mixed reactors and fixed beds.<\/jats:p><jats:p>The experiments were carried out with hydrogen tracer in a partial oxydation catalyst.<\/jats:p><jats:p>Implications of the use of such \u201capparent\u201d effective diffusivities in reactor design are discussed, showing that errors of 100% can be made.<\/jats:p>","DOI":"10.1002\/aic.690280404","type":"journal-article","created":{"date-parts":[[2004,6,23]],"date-time":"2004-06-23T08:59:46Z","timestamp":1087981186000},"page":"541-546","source":"Crossref","is-referenced-by-count":140,"title":["Intraparticle\u2010forced convection effect in catalyst diffusivity measurements and reactor design"],"prefix":"10.1002","volume":"28","author":[{"given":"A. E.","family":"Rodrigues","sequence":"first","affiliation":[]},{"given":"Bum J.","family":"Ahn","sequence":"additional","affiliation":[]},{"given":"Andr\u00e9","family":"Zoulalian","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2004,6,17]]},"reference":[{"key":"e_1_2_1_2_1","unstructured":"AhnB. J. \u201c\u00c9tude des Caracteristiques Diffusionelles de Transfert de Mati\u00e9re dans un Reacteur Catalytique \u00e0 Lit Fixe d'Oxydation Menag\u00e9e \u201d Docteur\u2010Ingenieur Dissertation Univ. Techologie de Compi\u00e8gne (1980)."},{"issue":"5","key":"e_1_2_1_3_1","first-page":"78","article-title":"Reactor for Vapor Phase Catalytic Studies","volume":"70","author":"Berty J. M.","year":"1974","journal-title":"Chem. Eng. Prog."},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0009-2509(79)85007-1"},{"key":"e_1_2_1_5_1","unstructured":"BordesE. \u201cProperties Structurales de Phase Catalytiques \u00e0 l'\u00c9tat Stationnaire: Application aux Syst\u00e8mes (V\u2010P\u2010O) (V\u2010M\u2010O) (UMO) Selectifs dans l'Oxydation du But\u00e8ne an Aydride Maleique \u201d Docteu\u2010\u00e8s\u2010Sciences Dissortation Unit. Technologie de de Comp\u00ecenge (1980)."},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/aic.690160629"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9673(00)84069-8"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/0009-2509(76)85047-6"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1080\/00087647608069934"},{"key":"e_1_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1252\/jcej.7.431"},{"key":"e_1_2_1_11_1","doi-asserted-by":"crossref","first-page":"925","DOI":"10.1016\/0009-2509(77)80079-1","article-title":"Simultaneous Intraparticle Forced Convection, Diffusion and Reaction in a Porous Catalyst II\u2010Selectivity of Sequential Reactions","volume":"32","author":"Nir A.","year":"1977","journal-title":"Chem. Eng. Sci."},{"key":"e_1_2_1_12_1","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1016\/0009-2509(77)80192-9","article-title":"Simultaneous Intraparticle Forced Convection, Diffussion and Reaction in a Porous Catalyst","volume":"32","author":"Nir A.","year":"1977","journal-title":"Chem. Eng. Sci."},{"key":"e_1_2_1_13_1","unstructured":"Rhone\u2010Poulenc Industries \u201cTechnical Bulletin on Catalyst \u201d BM329 (1980)."},{"key":"e_1_2_1_14_1","unstructured":"RodriguesA. E. \u201cIntraparticle Forced Convection Effect in Porous Catalyst \u201d Internal Report Univ. Tech. Compi\u00e8gne (1980)."},{"key":"e_1_2_1_15_1","unstructured":"RodriguesA. E. \u201cThe Scientific Basis for the Design of Catalytic Reactors \u201d Multiphase Chemical Reactors to be published by Sijthoff & Noordhoff."},{"key":"e_1_2_1_16_1","volume-title":"The Physics of Flow Through Porous Media","author":"Scheidegger A.","year":"1974"},{"key":"e_1_2_1_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/0009-2509(74)80023-0"},{"key":"e_1_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9517(77)90201-9"},{"key":"e_1_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0360-0564(08)60109-1"},{"key":"e_1_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01502640"},{"key":"e_1_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1021\/ie50728a006"}],"container-title":["AIChE Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Faic.690280404","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/aiche.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/aic.690280404","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,7]],"date-time":"2025-10-07T19:27:15Z","timestamp":1759865235000},"score":1,"resource":{"primary":{"URL":"https:\/\/aiche.onlinelibrary.wiley.com\/doi\/10.1002\/aic.690280404"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1982,7]]},"references-count":20,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1982,7]]}},"alternative-id":["10.1002\/aic.690280404"],"URL":"https:\/\/doi.org\/10.1002\/aic.690280404","archive":["Portico"],"relation":{},"ISSN":["0001-1541","1547-5905"],"issn-type":[{"value":"0001-1541","type":"print"},{"value":"1547-5905","type":"electronic"}],"subject":[],"published":{"date-parts":[[1982,7]]}}}