2022

• Microwave-assisted deep eutectic solvent extraction of phenolics from defatted date seeds and its effect on solubilization of carbohydrates
  Kehili, Mouna; Isci Yakan, Asli; Thieme, Nils; Kaltschmitt, Martin; Zetzl, Carsten; Smirnova, Irina
  Biomass Conversion and Biorefinery 14 (6): 7695 -7706 (2024)
  Publisher DOI

2021

• Lignin from second-generation biorefinery for pressure-sensitive adhesive tapes
  Hu, Xihua; Gil Chavez, Gilda; Hadzi-Ristic, Aleksa; Kreft, Christian; Lim, Cai Rong; Zetzl, Carsten; Smirnova, Irina
  Biomass Conversion and Biorefinery 11 (6): 2347-2358 (2021-12)
  Publisher DOI

2018

• Carotenoids-rich fatty fractions extraction from tomato industrial by-products, peels and seeds, using supercritical CO₂ green technology
  Kehili, Mouna; Zammel, Ayachi; Zetzl, Carsten; Smirnova, Irina; Allouche, Noureddine; Sayadi, Sami
  Recent advances in environmental science from the Euro-Mediterranean and surrounding regions: 1183-1185 (2018)
  Publisher DOI

2017

• Supercritical CO₂ extraction and antioxidant activity of lycopene and β-carotene-enriched oleoresin from tomato ( Lycopersicum esculentum L.) peels by-product of a Tunisian industry
  Kehili, Mouna; Kammlott, Marianne; Choura, Sirine; Zammel, Ayachi; Zetzl, Carsten; Smirnova, Irina; Allouche, Noureddine; Sayadi, Sami
  Food and Bioproducts Processing (102): 340-349 (2017)
  Publisher DOI

2016

• Biorefinery cascade processing for creating added value on tomato industrial by-products from Tunisia
  Kehili, Mouna; Schmidt, Lisa; Reynolds, Wienke; Zammel, Ayachi; Zetzl, Carsten; Smirnova, Irina; Allouche, Noureddine; Sayadi, Sami
  Biotechnology for Biofuels 1 (9): - (2016)
  Open Access | Publisher DOI
• Odor-Free Lignin from Lignocellulose by Means of High Pressure Unit Operations: Process Design, Assessment and Validation
  Reynolds, Wienke; Baudron, Victor; Kirsch, Christian; Schmidt, Lisa; Singer, Hannah; Zenker, Lilia; Zetzl, Carsten; Smirnova, Irina
  Chemie-Ingenieur-Technik 10 (88):1513-1517 (2016-10-01)
  Publisher DOI

2012

• Supercritical drying of aerogels using CO2: effect of extraction time on the end material textural properties
  García-González, Carlos A.; Camino-Rey, M. C.; Alnaief, Mohammad; Zetzl, Carsten; Smirnova, Irina
  Journal of Supercritical Fluids 66: 297-306 (2012-06-01)
  Publisher DOI

2011

• Ein-Reaktor-Konzept zur Hochdruckfraktionierung lignocellulosehaltiger Biomasse
  Zetzl, Carsten; Gairola, Krishan; Kirsch, Christian; Perez-Cantu, Lilia; Smirnova, Irina
  Chemie-Ingenieur-Technik 84 (1/2): 27-35 (2012-01-01)
  Publisher DOI
• High pressure processes in biorefineries
  Zetzl, Carsten; Gairola, Krishan; Kirsch, Christian; Perez-Cantu, Lilia; Smirnova, Irina
  Chemie-Ingenieur-Technik 83 (7): 1016-1025 (2011-07-01)
  Publisher DOI
• Enzymatische Hydrolyse von Lignocellulose im Festbettreaktor
  Kirsch, Christian; Wörmeyer, Kai; Zetzl, Carsten; Smirnova, Irina
  Chemie-Ingenieur-Technik 83 (6): 867-873 (2011-06-01)
  Publisher DOI
• Equilibrium data for the separation of oleoresin capsicum using supercritical CO2: A theoretical design of a countercurrent gas extraction column
  Fernández Ronco, María; Gracia Fernández, Ignacio; Zetzl, Carsten; Lucas Martínez, Antonio, de; García González, María Teresa; Rodríguez, Juan F.
  Journal of Supercritical Fluids 57 (1): 1-8 (2011-05-01)
  Publisher DOI
• Evaluation and modelling the utility of SCCO2 to support efficient lipase mediated esterification
  Baig, M. N.; Santos, Regina C. D.; Zetzl, Carsten; King, Jerry W.; Pioch, Daniel; Bowra, Steve
  Enzyme and Microbial Technology 49 (4): 420-426 (2011)
  Publisher DOI
• Mobilisation of organic compounds from reservoir rocks through the injection of CO₂ - comparison of baseline characterization and laboratory experiments
  Scherf, Ann Kathrin; Zetzl, Carsten; Smirnova, Irina; Zettlitzer, Michael; Vieth-Hillebrand, Andrea
  Energy Procedia (4): 4524-4531 (2011-01-01)
  Open Access | Publisher DOI

2010

• Development of an integrated thermal and enzymatic hydrolysis for lignocellulosic biomass in fixed-bed reactors
  Kirsch, Christian; Zetzl, Carsten; Smirnova, Irina
  Holzforschung 65 (4): 483-489 (2011-06-01)
  Publisher DOI

2008

• From plant materials to ethanol by means of supercritical fluid technology
  Schacht, Christian S.; Zetzl, Carsten; Brunner, Gerd
  Journal of Supercritical Fluids 46 (3): 299-321 (2008-10-01)
  Publisher DOI

2007

• Deterpenation of mandarin (Citrus reticulata) peel oils by means of countercurrent multistage extraction and adsorption/desorption with supercritical CO₂
  Danielski, Leandro; Brunner, Gerd; Schwänke, Christian; Zetzl, Carsten; Hense, Haiko; Donoso, Jayme P. M.
  Journal of Supercritical Fluids 44 (3): 315-324 (2008-04-01)
  Publisher DOI

2005

• Microstructural effects on internal mass transfer of lipids in prepressed and flaked vegetable substrates
  del Valle, José Manuel; Germain, Juan Carlos; Uquiche, Edgar; Zetzl, Carsten; Brunner, Gerd
  Journal of Supercritical Fluids 37 (2): 178-190 (2006-04-01)
  Publisher DOI
• Global yield isotherms and kinetic of artemisinin extraction from Artemisia annua L leaves using supercritical carbon dioxide
  Quispe-Condori, Sócrates; Sánchez, Deny; Foglio, Mary Ann; de Tarso Vieira e Rosa, Paulo; Zetzl, Carsten; Brunner, Gerd; Meireles, Maria Angela A.
  Journal of Supercritical Fluids 36 (1): 40-48 (2005-11-01)
  Publisher DOI
• A process line for the production of raffinated rice oil from rice bran
  Danielski, Leandro; Zetzl, Carsten; Hense, Haiko; Brunner, Gerd
  Journal of Supercritical Fluids 34 (2): 133-141 (2005-06)
  Publisher DOI

2004

• Extraction of boldo (Peumus boldus M.) leaves with supercritical CO2 and hot pressurized water
  del Valle, José Manuel; Rogalinski, Tim; Zetzl, Carsten; Brunner, Gerd
  Food Research International 38 (2): 203-213 (2005)
  Publisher DOI
• Adsorption isotherms for ethylacetate and furfural on activated carbon from supercritical carbon dioxide
  Lucas, Susana; Cocero, Maria José; Zetzl, Carsten; Brunner, Gerd
  Fluid Phase Equilibria 219 (2): 171-179 (2004-05-28)
  Publisher DOI

2003

• Supercritical carbon dioxide extraction of pelletized Jalapeño peppers
  del Valle, José Manuel; Jiménez, Marisol; Napolitano, Pablo; Zetzl, Carsten; Brunner, Gerd
  Journal of the Science of Food and Agriculture 83 (6): 550-556 (2003-05-01)
  Publisher DOI

2002

• Extraction of caffeine, theobromine, and cocoa butter from Brazilian cocoa beans using supercritical CO2 and ethane
  Mohamed, Rahoma Sadeg; Saldaña, Marleny Doris Aranda; Mazzafera, Paulo; Zetzl, Carsten; Brunner, Gerd
  Industrial and Engineering Chemistry Research 41 (26): 6751-6758 (2002-12-25)
  Publisher DOI
• Extraction of methylxanthines from guaraná seeds, maté leaves, and cocoa beans using supercritical carbon dioxide and ethanol
  Saldaña, Marleny Doris Aranda; Zetzl, Carsten; Mohamed, Rahoma Sadeg; Brunner, Gerd
  Journal of Agricultural and Food Chemistry 50 (17): 4820-4826 (2002-08-14)
  Publisher DOI
• Decaffeination of guaraná seeds in a microextraction column using water-saturated CO2
  Saldaña, Marleny Doris Aranda; Zetzl, Carsten; Mohamed, Rahoma Sadeg; Brunner, Gerd
  Journal of Supercritical Fluids 22 (2): 119-127 (2002-02-26)
  Publisher DOI

2001

• Adsorption and desorption of m-xylene from supercritical carbon dioxide on activated carbon
  Benkhedda, Jamal; Jaubert, Jean-Noel; Barth, Danielle; Zetzl, Carsten; Brunner, Gerd
  Separation Science and Technology 36 (10): 2197-2211 (2001)
  Publisher DOI

2018

• Experimental and economical case study: Competitive odor-free lignin from an aquasolv biorefinery
  Conrad, Marc; Andersen, Lennart Folke; Gil Chavez, Gilda; Hartge, Ernst-Ulrich; Häring, Hans; Hu, Xihua; Kreft, Christian; Meyer, Robert; Reynolds, Wienke; Schmidt, Lisa; Zetzl, Carsten; Heinrich, Stefan
  NWBC 2018 - Proceedings of the 8th Nordic Wood Biorefinery Conference: 323 - 325 (2018)
  

2014

• Thermo-enzymatic conversion of lignocellulosic biomass in a high pressure fixed bed reactor
  Kirsch, Christian; Zetzl, Carsten; Smirnova, Irina
  Global challenges for engineering a sustainable future : 2013 AIChE Annual Meeting ; November 3 - 8, 2013, San Francisco, CA ; conference proceedings. - New York, NY : American Institute of Chemical Engineers. -. - [Pt.] Sustainable Engineering Forum 2013. - 2014. - Seite 665