AbstractBei der Fischer‐Tropsch‐(FT)‐Synthese im Suspensionsreaktor gelingt es durch simultane Konvertierung mit Wasserdampf, auch die Gasgemische CO/H, (CO/Hg‐Verhältnis ca. 2/6) einsetzen zu können, so daß eine Kohlenwasserstoff‐Bildung über die parallel ablaufende FT‐ und Kölbel‐Engelhardt‐Synthesen erfolgt.

AbstractMn/Fe‐Katalysatoren (Mn/Fe 6) zeichnen sich bei der Fischer‐ Tropsch‐Synthese′durch hohe Olefin‐Selektivität aus.

Abstract In order to carry out the one-stage synthesis of aromates and isomers on a suspension of the ZSM-5 zeolite and a Fischer-Tropsch catalyst, the application of the Kölbel-reactor is taken into account. The Kölbel-reactor, which had been developed for the Fischer-Tropsch synthesis, is well suited to convert synthesis gases containing a high concentration of CO, which are generated by the economical second generation gasifiers. The manganese-iron precipitation catalyst was used as the Fischer-Tropsch component. This catalyst and the ZSM-5 zeolite were suspended in tetralin, which showed sufficient stability in the presence of the zeolite. Although there was no direct contact between the catalyst particles in the suspension, the primary products of the Fischer-Tropsch catalyst were converted into aromates and isomers by the zeolite. A yield of 127 g gasolin fraction, which mainly consisted of aromates and isomers, was obtained per m 3 of converted synthesis gas.

Chemischer InformationsdienstVolume 14, Issue 44 Heterocyclic Compounds ChemInform Abstract: DIRECT LIQUID-PHASE OXIDATION OF PROPENE TO PROPENE OXIDE H.-G. BAER, H.-G. BAERSearch for more papers by this authorM. RALEK, M. RALEKSearch for more papers by this author H.-G. BAER, H.-G. BAERSearch for more papers by this authorM. RALEK, M. RALEKSearch for more papers by this author First published: November 1, 1983 https://doi.org/10.1002/chin.198344192AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat No abstract is available for this article. Volume14, Issue44November 1, 1983 RelatedInformation

The direct catalytic oxidation of propene to propene oxide in benzonitrile at 210°C and 100 bar has been studied on the basis of the statistical evolution of the experiments. Under optimal reaction conditions it is possible to achieve a yield of 6.7 g of epoxide per 100 g of propene used with a selectivity of about 60%. The number of undesired byproducts is limited. No fundamental problems are to be expected by separating off and recycling the dispersion liquid and the unconverted propene. Calculation of the production costs for a large scale unit with a capacity of 100,000 t/a of epoxide was found to yield favourable figures in comparison with other processes.

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTModeling the Fischer-Tropsch synthesis in the slurry phaseWolf Dieter Deckwer, Yalcin Serpemen, Milos Ralek, and Bruno SchmidtCite this: Ind. Eng. Chem. Process Des. Dev. 1982, 21, 2, 231–241Publication Date (Print):April 1, 1982Publication History Published online1 May 2002Published inissue 1 April 1982https://pubs.acs.org/doi/10.1021/i200017a006https://doi.org/10.1021/i200017a006research-articleACS PublicationsRequest reuse permissionsArticle Views804Altmetric-Citations83LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access options Get e-Alerts

Abstract Owing to the high contribution of syngas costs to the economy of all indirect liquefaction routes a process is desired which could directly use syngas from second-generation gasifiers with low hydrogen content to produce a C 5 to C 11 hydrocarbon mixture, which can be used as a high RON fuel and as a feedstock for chemicals. The Fischer-Tropsch synthesis on the polyfunctional MnFe- ZSM-5 catalysts yields products containing about 20% wt. structure isomers and about 25% wt. aromates. The reaction follows the nontrivial polystep mechanisms.

Satterfield and Huff[1] reported recently on significant mass transfer resistances in the FT slurry process. However, their conclusions are at least partly based on a study with an unsuitable catalyst. In the present communication FT studies with 8 different catalysts and bubble columns, respectively, were analyzed using new and reliable results on hydrodynamic properties. In all cases, mass transfer resistances were found to be small compared to reaction resistances. As long as much more active catalysts are not developed significant mass transfer limitations cannot be expected in the bubble column if operated under appropriate conditions. The absence of mass transfer limitations is mainly a result of the high gas holdups attainable with molten paraffin as liquid phase.

Chemie Ingenieur TechnikVolume 53, Issue 10 p. 818-819 Wissenschaftliche Forschungsarbeit Untersuchungen zur Fischer-Tropsch-Synthese in Suspensionsphase an Mn/Fe- und Fe/Cu- Katalysatoren† Prof. Dr. W.-D. Deckwer, Prof. Dr. W.-D. Deckwer Institut für Technische Chemie, Univ. Hannover (TH), 3000 Hannover 1Search for more papers by this authorDr. H.-J. Lehmann, Dr. H.-J. Lehmann Institut für Technische Chemie, TU Berlin, 1000 Berlin 12Search for more papers by this authorProf. Dr. M. Ralek, Prof. Dr. M. Ralek Institut für Technische Chemie, TU Berlin, 1000 Berlin 12Search for more papers by this authorDipl.-Ing. B. Schmidt, Dipl.-Ing. B. Schmidt Institut für Technische Chemie, TU Berlin, 1000 Berlin 12Search for more papers by this author Prof. Dr. W.-D. Deckwer, Prof. Dr. W.-D. Deckwer Institut für Technische Chemie, Univ. Hannover (TH), 3000 Hannover 1Search for more papers by this authorDr. H.-J. Lehmann, Dr. H.-J. Lehmann Institut für Technische Chemie, TU Berlin, 1000 Berlin 12Search for more papers by this authorProf. Dr. M. Ralek, Prof. Dr. M. Ralek Institut für Technische Chemie, TU Berlin, 1000 Berlin 12Search for more papers by this authorDipl.-Ing. B. Schmidt, Dipl.-Ing. B. Schmidt Institut für Technische Chemie, TU Berlin, 1000 Berlin 12Search for more papers by this author First published: 1981 https://doi.org/10.1002/cite.330531016Citations: 8 † Vorgetragen von W.-D. Deckwer auf der Arbeitssitzung des DECHEMA Ausschusses „Technische Reaktionen”︁ am 11. Februar 1981 in Arnoldshain/Ts. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article.Citing Literature Volume53, Issue101981Pages 818-819 RelatedInformation

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHydrodynamic Properties of the Fischer-Tropsch Slurry ProcessWolf-Dieter Deckwer, Youssef Louisi, Ahmed Zaidi, and Milos RalekCite this: Ind. Eng. Chem. Process Des. Dev. 1980, 19, 4, 699–708Publication Date (Print):October 1, 1980Publication History Published online1 May 2002Published inissue 1 October 1980https://pubs.acs.org/doi/10.1021/i260076a032https://doi.org/10.1021/i260076a032research-articleACS PublicationsRequest reuse permissionsArticle Views1449Altmetric-Citations203LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access options Get e-Alerts

Chemischer InformationsdienstVolume 11, Issue 5 Other Subjects ChemInform Abstract: SELEKTIVE FISCHER-TROPSCH (FT)-SYNTHESE KURZKETTIGER OLEFINE H. + KOELBEL, H. + KOELBELSearch for more papers by this authorM. RALEK, M. RALEKSearch for more papers by this author H. + KOELBEL, H. + KOELBELSearch for more papers by this authorM. RALEK, M. RALEKSearch for more papers by this author First published: February 5, 1980 https://doi.org/10.1002/chin.198005385AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume11, Issue5February 5, 1980 RelatedInformation

Chemie Ingenieur TechnikVolume 50, Issue 8 p. 628-629 Wissenschaftliche Forschungsarbeit Ermittlung von Stoffübergangszahlen für die Fischer-Tropsch-Flüssigphase-Synthese† Ahmed Zaidi Dipl.-Ing., Ahmed Zaidi Dipl.-Ing. Institut für Technische Chemie der TU BerlinSearch for more papers by this authorYoussef Louisi Dipl.-Ing., Youssef Louisi Dipl.-Ing. Institut für Technische Chemie der TU BerlinSearch for more papers by this authorProf. Dr. Milos Ralek, Prof. Dr. Milos Ralek Institut für Technische Chemie der TU BerlinSearch for more papers by this authorProf. Dr. Wolf-Dieter Deckwer, Prof. Dr. Wolf-Dieter Deckwer Institut für Technische Chemie der TU Hannover, Callinstr. 5, 3000 HannoverSearch for more papers by this author Ahmed Zaidi Dipl.-Ing., Ahmed Zaidi Dipl.-Ing. Institut für Technische Chemie der TU BerlinSearch for more papers by this authorYoussef Louisi Dipl.-Ing., Youssef Louisi Dipl.-Ing. Institut für Technische Chemie der TU BerlinSearch for more papers by this authorProf. Dr. Milos Ralek, Prof. Dr. Milos Ralek Institut für Technische Chemie der TU BerlinSearch for more papers by this authorProf. Dr. Wolf-Dieter Deckwer, Prof. Dr. Wolf-Dieter Deckwer Institut für Technische Chemie der TU Hannover, Callinstr. 5, 3000 HannoverSearch for more papers by this author First published: 1978 https://doi.org/10.1002/cite.330500814 † Vortrag auf der Sitzung des GVC-Fachausschusses „Technische Reaktionsführung”︁ am 23. Februar 1978 in Königstein/Taunus. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume50, Issue81978Pages 628-629 RelatedInformation