Department of Environmental and Energy Process Engineering

Organisational unit: Departments and Institutes

2601 - 2700 out of 3,069Page size: 100

Research output

  1. 2009
  2. Published

    Flash-Reaktor Anlage

    Dobay, F., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  3. Published

    Formation of nitrogen oxides in the heating system of a coke oven

    Rieger, J., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  4. Published

    Gewinnung von Erzen und Mineralien sowie Rahmenbedingungen für den Einsatz von Sekundärrohstoffen am Sekundärrohstoffmarkt

    Maurer, C. W., 2009

    Research output: Thesis › Master's Thesis

  5. Published

    Greenhouse Gas Inventory & Greenhouse Gas Mitigation Potential

    Trofaier, N., 2009

    Research output: Thesis › Diploma Thesis

  6. Published

    Harmonisierungspotenziale eines integrierten Managementsystems in der europäischen Abfallwirtschaft

    Arnberger, A., 2009

    Research output: Thesis › Master's Thesis

  7. Published

    Hazardous Sites Remediation

    Müller, P., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  8. Published

    Holzige Biomasse in der Steiermark

    Wellacher, M., 2009, Eigenverlag.

    Research output: Book/Report › Commissioned report › Transfer

  9. Published

    Injection of Water Droplets in a Mixing Elbow

    Houben, J. & Raupenstrauch, H., 2009

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  10. Published

    Instrumente der technischen Montageplanung

    Zeller, C., 2009

    Research output: Thesis › Master's Thesis

  11. Published

    Integration eines Bohrlochwärmetauschers in ein bestehendes Heizsystem

    Dürnegger, T., 2009, 178 p.

    Research output: Thesis › Master's Thesis

  12. Published

    Kapillarversuch zu Material aus Altlast N6

    Müller, P., 2009

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  13. Published

    Komptech-Technologie zur Aufbereitung von Grünabfällen zur energetischen Nutzung

    Wellacher, M., 2009, 3. Biomasse-Forum - Energetische und stoffliche Verwertung von Abfallbiomasse. p. 1-8

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  14. Published

    Leaching behaviour of MSWI bottom ash under water-unsaturated conditions

    Sager, D. & Heuss-Aßbichler, S., 2009, Prosperity Waste and Waste Resources. p. 263-274

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  15. Published

    Lehrstuhl für Thermoprozesstechnik

    Houben, J., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  16. Published

    Machinery for preparing different qualities of RDF

    Wellacher, M. & Pretzler, R., 2009, Waste-to-Resources - 3. Internationale Tagung MBA und Sortieranlagen. p. 1-10

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  17. Published

    Methanation with an allothermal smart lab-scale-gasification system

    Kienberger, T., Mühlberger, T., Lettner, J. & Karl, J., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  18. Published

    METHANATION WITH AN ALLOTHERMAL SMART LAB-SCALE GASIFICATION SYSTEM

    Kienberger, T., Mühlberger, T., Lettner, J. & Karl, J., 2009, Proceedings - 17th Biomass Conference and Exhibition. p. 966-973

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  19. Published

    Nitriding of Metal Powder

    Egger, S. & Raupenstrauch, H., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  20. Published

    Nitriding of Metal Powder - Literature- Kinetics- Optimisation

    Egger, S., Held, K. & Raupenstrauch, H., 2009

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  21. Published

    Optimierte Verwertung von Exportgasen aus der metallurgischen Industrie zur Verminderung von Kohlendioxidemissionen

    Tappeiner, T. & Kepplinger, W., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  22. Published

    Optimierte Verwertung von Exportgasen aus der metallurgischen Industrie zur Verminderung von Kohlendioxidemissionen

    Tappeiner, T. & Kepplinger, W., 2009, Minisymposium Verfahrenstechnik. p. 20-23

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  23. Published

    Optimierung der Trockenstation, zur Rohrtrocknung, der Beize

    Ebner, S., 2009

    Research output: Thesis › Master's Thesis

  24. Published

    Pneumatische Förderung und Befeuchtung von Feuerfest - Spritzmasse für das Trockenspritzverfahren

    Doletschek, M., 2009, 132 p.

    Research output: Thesis › Master's Thesis

  25. Published

    Pyrolyseverhalten von Weizenstrohpellets

    Perl, M., 2009

    Research output: Thesis › Master's Thesis

  26. Published

    Pyrolysis Investigations and Ash Melting Behaviour of Agricultural Residues Used as a Fuel in Small Furnace Installations

    Poppenwimmer, M. & Raupenstrauch, H., 2009, 2009 AIChE Annual Meeting - Production of Fungible Biofuels from Lignocellulose. p. 1-8

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  27. Published

    Pyrolysis of residual biomass: Biochar conversion yield and synthesis gas quality

    Poppenwimmer, M., Raupenstrauch, H., Navia, R. & Muñoz, R., 2009, Second Latin American Congress on Biorefineries: Materials and Energy. p. .-.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  28. Published

    Recyclingkonzept Baurestmassen: Aufbereitung von Baurestmassen zu verkaufsfähigen Produkten

    Schmid, A., 2009

    Research output: Thesis › Master's Thesis

  29. Published

    Sorptionsisothermen von Chromat für ausgewählte Bodenproben

    Cirar, K., 2009

    Research output: Thesis › Master's Thesis

  30. Published

    Subsitute Natural Gas aus Kohle

    Karl, J., Baumhakl, C. & Kienberger, T., 2009, Kraftwerkstechnisches Kolloquium. p. X-X

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  31. Published

    Success Story Area 1 - Centralised Recycling

    Dobay, F., Pilz, K., Schönberg, A., Werner, A. & Raupenstrauch, H., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  32. Published

    Tests on methanation with tar and sulfur loaded syn-gas

    Kienberger, T. & Karl, J., 2009, Proceedings of the Conference - International conference on polygeneration strategies. p. X-X

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  33. Published

    The effect of salt concentration in pore solutions of MSWI residues on the stability of ettringite and friedels salt

    Heuss-Aßbichler, S. & Sager, D., 2009, Proceedings of the 12th Waste Management and Landfill Symposium. p. 837-838

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  34. Published

    The effect of SO2 on CO2 absorption in an aqueous potassium carbonate solvent

    Wappel, D., 2009, Energy Procedia. p. 125-131

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  35. Published

    The relevance of grain size fraction on solid phase development of MSWI bottom ash

    Sager, D. & Heuss-Aßbichler, S., 2009, Proceedings of the 12th Waste Management and Landfill Symposium. p. 717-718

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  36. Published

    Untersuchungen an einer Abgasreinigungsanlage in der Sintermagnesiaherstellung

    Wernhardt, P., 2009

    Research output: Thesis › Master's Thesis

  37. Published

    Untersuchung zum Einsatz von Natriumhydrogenkarbonat im industriellen MEROS Prozess für die Abgasreinigung von Sinterabgasen

    Wiesinger, D., 2009

    Research output: Thesis › Master's Thesis

  38. Published

    Usage of diamond electrodes for waste water treatment and disinfection of drinking water

    Menapace, H., Staber, W., Fellerer, M., Treschnitzer, M. & Adam, J., 2009, Delegate manual. p. 60-61

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  39. Published

    Verbrennung von landwirtschaftlichen Reststoffen in Haushaltsfeuerungen

    Hammer, A., Poppenwimmer, M. & Raupenstrauch, H., 2009.

    Research output: Contribution to conference › Poster › Research › peer-review

  40. Published

    Voraussetzungen für eine zielorientierte Bewirtschaftung hausmüllähnlicher Gewerbeabfälle – Eine Analyse am Beispiel der Steiermark

    Laner, D., Pomberger, R., Scherübl, T. & Brunner, P. H., 2009, In: Müll und Abfall. 41, 10, p. 519-527

    Research output: Contribution to journal › Article › Research

  41. Published

    Vorplanung und Auslegung einer Grundwasserbehandlungsanlage zur Entfernung von Chromat

    Klug, M., 2009

    Research output: Thesis › Master's Thesis

  42. Published

    Waste Management in Austria - the "Styrian Model"

    Lorber, K., 2009, 2009 China International Sustainable Economy Industrialization Expo. p. 0-0

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  43. Published

    Waste Transfer Stations in Different Regions

    Kreindl, G., 2009

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  44. 2008
  45. Published

    Abfallwirtschaft, Abfalltechnik, Deponietechnik und Altlasten: DepoTech 2008, Tagungsband zur 9. DepoTech Konferenz

    Lorber, K. (Co-editor), Kreindl, G. (Co-editor), Müller, P. (Co-editor), Sager, D. (Co-editor), Wruss, K. (Co-editor) & Menapace, H. (Co-editor), Nov 2008, 1 ed. Leoben: VGE-Verl. 888 p. (Abfallwirtschaft, Abfalltechnik sowie Deponietechnik und Altlasten)

    Research output: Book/Report › Anthology › Research

  46. Published

    Method for separating impurities out of feed stock in copper melts

    Hollauf, B. (Inventor), Mayer, F. W. (Inventor) & Kepplinger, W. L. (Inventor), 3 Sept 2008, IPC No. C22B 15/ 00 A I, Patent No. CN101258252, Priority date 1 Sept 2005, Priority No. AT20050001433

    Research output: Patent

  47. Published

    Logistik der Altlastensanierung

    Kreindl, G., Aug 2008

    Research output: Non-textual form › Web publication/site › Transfer

  48. Published

    Utilisation of biogas

    Ellersdorfer, M., 1 Jul 2008.

    Research output: Contribution to conference › Presentation › Research › peer-review

  49. Published

    Verfahren und Vorrichtung zur thermischen Behandlung von Rohstoffen

    Kepplinger, W. (Inventor) & Hollauf, B. (Inventor), 11 Jun 2008, IPC No. C04B 7/ 44 A I, Patent No. EP1930303, Priority date 13 Nov 2006, Priority No. EP20060023555

    Research output: Patent

  50. Published

    Verfahren und Vorrichtung zur thermischen Behandlung von Rohstoff

    Kepplinger, W. (Inventor) & Hollauf, B. (Inventor), 14 May 2008, IPC No. C04B 7/ 44 A I, Patent No. EP1921050, Priority date 13 Nov 2007, Priority No. EP20070022033

    Research output: Patent

  51. Published

    VERFAHREN ZUM ABTRENNEN VON VERUNREINIGUNGEN AUS EINSATZSTOFFEN IN KUPFERSCHMELZEN

    Hollauf, B. (Inventor), Mayer, Franz, W. (Inventor) & Kepplinger, W. L. (Inventor), 7 May 2008, IPC No. C22B 15/ 00 A I, Patent No. EP1917369, Priority date 17 Aug 2006, Priority No. WO2006AT00343

    Research output: Patent

  52. Published

    Abschlussbericht AP2 protec-TRANS: Entwicklung eines alternativen Energieträgers in Form von Pellets aus Biomasse und Entwicklung einer für deren Verbrennung geeigneten Feuerungsanlage

    Hammer, A., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  53. Published

    Abwasserbehandlung "Behandlungsverfahren für den Abbau von Arzneimitteln und Industriechemikalien in Abwässern"

    Menapace, H., 2008, In: vju. p. 9-11

    Research output: Contribution to journal › Article › Research › peer-review

  54. Published

    A cold process

    Wellacher, M., 2008, In: Waste Management World. p. 22-25

    Research output: Contribution to journal › Article › Research

  55. Published

    Ascheschmelzverhalten in einer Wirbelschichtfeuerung

    Houben, J., Poppenwimmer, M. & Raupenstrauch, H., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  56. Published

    Aufheizverhalten von Maische in einem Braukessel

    Houben, J. & Raupenstrauch, H., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  57. Published

    Auslaugversuche zu Material aus Altlast N6

    Müller, P., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  58. Published

    Beiträge zur Quantifizierung der Stickoxidbildung im Heizsystem einer Kokereibatterie mithilfe numerischer Strömungssimulation

    Kreft, A., 2008

    Research output: Thesis › Master's Thesis

  59. Published

    Bestimmung des biogenen/fossilen Brennstoffanteils durch 14C im Rauchgas

    Lorber, K., Kneissl, P. & Staber, W., 2008, DepoTech 2008 - Abfallwirtschaft, Abfalltrechnik, Deponietechnik und Altlasten. p. 251-256

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  60. Published

    Biogasanlagen in Kopplung mit energieintensiven Industriezweigen

    Ellersdorfer, M. & Kepplinger, W., 2008, Energija - Racionalno Koristene Energije Energetska Efikasnost Odrzivi Ekoloski Razvoij. p. 45-49

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  61. Published

    Bodensäulenanlage am IAE

    Müller, P., 2008, In: Institutszeitschrift des Institutes für Nachhaltige Abfallwirtschaft und Entsorgungstechnik, Montanuniversität Leoben. p. 8-8

    Research output: Contribution to journal › Article › Research › peer-review

  62. Published

    CFD Simulation of the Carbon Dust Combustionin the COREX Melter Gasifier

    Berger, K., Weiß, C. & Kepplinger, W., 2008, In: Steel research international. Vol. 79, p. 579-585

    Research output: Contribution to journal › Article › Research › peer-review

  63. Published

    Chromat - Gefährdung für das Grundwasser

    Müller, P. & Novak, J., 2008.

    Research output: Contribution to conference › Poster › Research › peer-review

  64. Published

    Chromatreduktion in der ungesättigten Bodenzone

    Müller, P., 2008.

    Research output: Contribution to conference › Poster › Research › peer-review

  65. Published

    Chromatreduktion in der ungesättigten Bodenzone

    Müller, P., 2008, Chromatreduktion in der ungesättigten Bodenzone. VGE-Verl., p. 685-688

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  66. Published

    Climate Relevance of Waste Treatment – Thermal Treatment of Waste vs. Landfilling

    Ragossnig, A., Wartha, C. & Pomberger, R., 2008, Proceedings 7th International Conference Environmental Engineering.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  67. Published

    Competence Center for Excellent Technologies in Advanced Metallurgical and Environmental Process Development

    Lindorfer, B., Kepplinger, W., Schwab, P., Schifferl, H., Retschnig, A. & Kühas, T., 2008, In: Berg- und hüttenmännische Monatshefte : BHM. p. 20-25

    Research output: Contribution to journal › Article › Research › peer-review

  68. Published

    DeNOx-Versuche im Zementwerk Dzialoszyn

    Hollauf, B., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  69. Published

    DeNOx-Versuche im Zementwerk Erwitte

    Hollauf, B., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  70. Published

    DeNOx-Versuche im Zementwerk Karsdorf

    Hollauf, B., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  71. Published

    DeNOx-Versuche im Zementwerk Kujawy

    Hollauf, B., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  72. Published

    DeNOx-Versuche im Zementwerk Wietersdorf

    Hollauf, B., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  73. Published

    Die Entsorgung von Schlacken in Österreich

    Sager, D., Lorber, K. & Wruss, K., 2008, Recycling und Rohstoffe. p. 33-51

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  74. Published

    Eignung und Aufbereitung von Ersatzrohstoffen für die Klinkerproduktion

    Petkovska, S., 2008

    Research output: Thesis › Master's Thesis

  75. Published

    Einsatz von LRI zur CO2-minimierten Roheisenerzeugung

    Horn, V., 2008

    Research output: Thesis › Master's Thesis

  76. Published

    Einsatz von NIR-Technologie zur Sortierung von gemischten Abfällen

    Kreindl, G. & Curtis, A., 2008, DepoTech 2008. p. 625-628

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  77. Published

    Einsatz von NIR-Technologie zur Sortierung von gemischten Abfällen

    Kreindl, G., 2008.

    Research output: Contribution to conference › Poster › Research › peer-review

  78. Published

    Electrochemical treatment of pharmaceutical and industrial wastewater by anodic oxidation

    Menapace, H., Treschnitzer, M. J., Fellerer, M. A. & Weiß, S., 2008, Third International Meeting on Environmental Biotechnology and Engineering (3IMEBE). p. 39-39

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  79. Published

    Electrochemical treatment of pharmaceutical wastewater by combining anodic oxidation with ozonation

    Menapace, H., Diaz, N. & Weiß, S., 2008, In: Journal of environmental science and health / A (Part A, Toxic : hazardous substances & environmental engineering). 43, p. 961-968

    Research output: Contribution to journal › Article › Research › peer-review

  80. Published

    Elektrochemische Nachbehandlung von Kläranlagenabläufen

    Menapace, H., 2008, In: UmweltJournal : Fachzeitschrift für Umwelttechnik, Energie und Abfallwirtschaft. p. 19-19

    Research output: Contribution to journal › Article › Research › peer-review

  81. Published

    Energetische Verwertung von Biomassen in Österreich

    Sager, D. & Lorber, K., 2008, Energie aus Abfall. p. 251-275

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  82. Published

    Energiekonzept AMAG Ranshofen

    Hammer, A., Radl, S. & Raupenstrauch, H., 2008, Tagungsunterlagen Forum für Metallurgie und Werkstofftechnik. p. 46-46

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  83. Published

    Energieoptimierung Lackiererei - Analyse der Quellen und Senken

    Heigl, E.-M., 2008

    Research output: Thesis › Master's Thesis

  84. Published

    Entwicklung der Abfalldeponierung in Österreich

    Lorber, K., Menapace, H., Staber, W., Wruss, K. & Wruss, W., 2008, Deponietechnik 2008. p. 13-28

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  85. Published

    Entwicklung von Ersatzbrennstoff für das HOTDISC-Verfahren und Analyse der abfallwirtschaftlichen Relevanz

    Pomberger, R., 2008

    Research output: Thesis › Doctoral Thesis

  86. Published

    Erstellung eines Arbeitssicherheitskonzepts für ein Stahlwerk

    Priesch, S., 2008

    Research output: Thesis › Master's Thesis

  87. Published

    Globale Abfallverwertung und Entsorgung

    Lorber, K., 2008, 6. Internationaler Leobner Logistik Sommer 17.-18. September 2008. p. 1-13

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  88. Published

    Heat Balance of a Continuous Galvanizing Line

    Helena, H., 2008

    Research output: Thesis › Master's Thesis

  89. Published

    In-situ Remediation von Altlasten mittels Diamantelektroden

    Schmale, J., Mikkola, H., Staber, W. & Lorber, K., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  90. Published

    In-situ Sanierung von Chromschäden durch Reduktionsprozesse

    Müller, P., Novak, J., Maier, J., Jelinek, L. & Lorber, K., 2008.

    Research output: Contribution to conference › Poster › Research › peer-review

  91. Published

    Klimarelevanz der Abfallwirtschaft aus Sicht eines Sammlers

    Pomberger, R., 2008, Konferenzbericht zur ÖWAV Jahrestagung.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  92. Published

    Klimarelevanz der Abfallwirtschaft aus Sicht eines Sammlers

    Pomberger, R., Curtis, A. & Scherübl, T., 2008, In: Österreichische Wasser- und Abfallwirtschaft : ÖWAW . 60, 7-8, p. 113-122

    Research output: Contribution to journal › Article › Research

  93. Published

    Laboratory Pre-Assays for Soil Remediation by Electro Synthesis of Oxidants and Their Electrokinetic Distribution

    Mikkola, H., Schmale, J. & Petkovska, S., 2008, In: Journal of environmental science and health / A (Part A, Toxic : hazardous substances & environmental engineering). 43

    Research output: Contribution to journal › Article › Research › peer-review

  94. Published

    Life-Cycle-Analyse für Kunststoff- und Papierschnüre im Bereich Landwirtschaft

    Tappeiner, T., 2008, 94 p.

    Research output: Thesis › Master's Thesis

  95. Published

    Messung des Einflusses eines FES - Fuel Energy Saver auf das Verhalten eines Gasbrenners bezüglich Energieeffizienz und Emissionen

    Hammer, A., 2008

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  96. Published

    Metal Recycling with Solvent-Extraction

    Zhu, Z., 2008

    Research output: Thesis › Master's Thesis

  97. Published

    Mittelkalorische Ersatzbrennstoffe für das HOTDISC-Verfahren

    Pomberger, R. & Abl, C., 2008, Tagungsband zur 9. DepoTech Konferenz. p. 275-280

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  98. Published

    Modellierung des Spritzmassentransportes und Prototypentwicklung einer Spritzdüse für ein Trockenspritzverfahren

    Steinwandter, A., 2008

    Research output: Thesis › Master's Thesis

  99. Published

    Netzanschlussbedingungen für virtuelle Kraftwerke im internationalen Vergleich

    Kienberger, T. & Karl, J., 2008, Energiewende: 10. Symposium Energieinnovation, 13. - 15. Februar 2008, TU Graz. Graz, p. 220-221

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  100. Published

    Neue Abfallverbrennungsanlagen in Österreich

    Lorber, K., Staber, W. & Kneissl, P., 2008, Energie aus Abfall. Vol. 4. p. 553-570

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  101. Published

    Online-FeO-Messung und Koksregulierung des Sinterprozesses

    Leitner, M. E., 2008, 80 p.

    Research output: Thesis › Master's Thesis

  102. Published

    Optimal Use of Biomass Resources in a Biorefinery Type Setting-Case Study of a Bioethanol Concept

    Samiei, K., Fröling, M. & Taherzadeh, M. J., 2008.

    Research output: Contribution to conference › Poster › Research › peer-review

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