[{"status":"public","user_id":"11848","publisher":"Springer Science and Business Media LLC","_id":"66282","citation":{"chicago":"Kroiß, Christoph, Rafat Al Afif, Tobias Pröll, Christoph Pfeifer, Christian Weinberger, and Gregor Tondl. “Validation of a Fluidized Bed Thermogravimetric Method with Integrated Gas Analysis for CO2 Capture by Activated Hydrochar from Pistachio Shells.” <i>Discover Applied Sciences</i>, 2026. <a href=\"https://doi.org/10.1007/s42452-026-09061-7\">https://doi.org/10.1007/s42452-026-09061-7</a>.","short":"C. Kroiß, R. Al Afif, T. Pröll, C. Pfeifer, C. Weinberger, G. Tondl, Discover Applied Sciences (2026).","apa":"Kroiß, C., Al Afif, R., Pröll, T., Pfeifer, C., Weinberger, C., &#38; Tondl, G. (2026). Validation of a fluidized bed thermogravimetric method with integrated gas analysis for CO2 capture by activated hydrochar from pistachio shells. <i>Discover Applied Sciences</i>. <a href=\"https://doi.org/10.1007/s42452-026-09061-7\">https://doi.org/10.1007/s42452-026-09061-7</a>","ieee":"C. Kroiß, R. Al Afif, T. Pröll, C. Pfeifer, C. Weinberger, and G. Tondl, “Validation of a fluidized bed thermogravimetric method with integrated gas analysis for CO2 capture by activated hydrochar from pistachio shells,” <i>Discover Applied Sciences</i>, 2026, doi: <a href=\"https://doi.org/10.1007/s42452-026-09061-7\">10.1007/s42452-026-09061-7</a>.","ama":"Kroiß C, Al Afif R, Pröll T, Pfeifer C, Weinberger C, Tondl G. Validation of a fluidized bed thermogravimetric method with integrated gas analysis for CO2 capture by activated hydrochar from pistachio shells. <i>Discover Applied Sciences</i>. Published online 2026. doi:<a href=\"https://doi.org/10.1007/s42452-026-09061-7\">10.1007/s42452-026-09061-7</a>","bibtex":"@article{Kroiß_Al Afif_Pröll_Pfeifer_Weinberger_Tondl_2026, title={Validation of a fluidized bed thermogravimetric method with integrated gas analysis for CO2 capture by activated hydrochar from pistachio shells}, DOI={<a href=\"https://doi.org/10.1007/s42452-026-09061-7\">10.1007/s42452-026-09061-7</a>}, journal={Discover Applied Sciences}, publisher={Springer Science and Business Media LLC}, author={Kroiß, Christoph and Al Afif, Rafat and Pröll, Tobias and Pfeifer, Christoph and Weinberger, Christian and Tondl, Gregor}, year={2026} }","mla":"Kroiß, Christoph, et al. “Validation of a Fluidized Bed Thermogravimetric Method with Integrated Gas Analysis for CO2 Capture by Activated Hydrochar from Pistachio Shells.” <i>Discover Applied Sciences</i>, Springer Science and Business Media LLC, 2026, doi:<a href=\"https://doi.org/10.1007/s42452-026-09061-7\">10.1007/s42452-026-09061-7</a>."},"oa":"1","date_updated":"2026-07-20T08:18:24Z","publication_status":"published","article_type":"original","year":"2026","title":"Validation of a fluidized bed thermogravimetric method with integrated gas analysis for CO2 capture by activated hydrochar from pistachio shells","publication_identifier":{"issn":["3004-9261"]},"author":[{"last_name":"Kroiß","first_name":"Christoph","full_name":"Kroiß, Christoph"},{"full_name":"Al Afif, Rafat","last_name":"Al Afif","first_name":"Rafat"},{"full_name":"Pröll, Tobias","first_name":"Tobias","last_name":"Pröll"},{"full_name":"Pfeifer, Christoph","first_name":"Christoph","last_name":"Pfeifer"},{"id":"11848","last_name":"Weinberger","first_name":"Christian","full_name":"Weinberger, Christian"},{"full_name":"Tondl, Gregor","last_name":"Tondl","first_name":"Gregor"}],"doi":"10.1007/s42452-026-09061-7","main_file_link":[{"url":"https://link.springer.com/article/10.1007/s42452-026-09061-7","open_access":"1"}],"language":[{"iso":"eng"}],"abstract":[{"text":"Hydrothermal carbonization (HTC) of pistachio shells was performed in a high-pressure batch reactor at 200 °C for 2 h, yielding a carbon-enriched hydrochar. Elemental analysis shows an increase in carbon mass fraction from 44.76 % to 54.09 % and a decrease in atomic O/C and H/C ratios, confirming carbonization as visualized in a Van Krevelen diagram. The hydrochar was chemically activated by potassium hydroxide (KOH) impregnation and thermal treatment, yielding 16–28 wt.% activated hydrochar. Adsorption isotherms were determined in a thermogravimetric, fluidized-bed reactor using a stepwise CO2 concentration program limited to 50 vol.% CO2 in N2 (0–5–10–25–50–0 vol.% CO2 at 100 kPa total pressure). The setup was extended by integrating online gas analysis to provide an independent, time-resolved mass-balance cross-check. Validation was performed using Lewatit VP OC 1065 by an internal Langmuir parity check and comparison with literature-based Toth model representations; gas analysis is demonstrated using a representative low-concentration step and by comparing Langmuir models derived from gas-based versus gravimetric loadings at 50 °C. For activated hydrochar, equilibrium points were obtained up to 50 vol.% CO2 (pCO2 ≈ 50 kPa) and show decreasing loading with increasing temperature. For literature comparison and indicative saturation reporting, isotherm fits were extrapolated to pure CO2 at 100 kPa: the maximum loading derived from the raw weighing signal was 1.84 mmol/g; after buoyancy correction, the corresponding value is 1.45 mmol/g.","lang":"eng"}],"publication":"Discover Applied Sciences","keyword":["Hydrothermal carbonization","Activated hydrochar","CO2 adsorption","Adsorption isotherms","Thermogravimetric analysis","Gas analysis","Method validation","Carbon capture"],"type":"journal_article","date_created":"2026-07-06T11:30:48Z"},{"user_id":"54649","volume":6,"_id":"62942","publisher":"Springer Science and Business Media LLC","status":"public","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"citation":{"ieee":"V. Neßlinger, J. Atlanov, and G. Grundmeier, “Interactions of polyvinyl acetate dispersions with nanostructured superhydrophilic and superhydrophobic Ti6Al4V alloy surfaces,” <i>Discover Applied Sciences</i>, vol. 6, no. 6, Art. no. 294, 2024, doi: <a href=\"https://doi.org/10.1007/s42452-024-05916-z\">10.1007/s42452-024-05916-z</a>.","apa":"Neßlinger, V., Atlanov, J., &#38; Grundmeier, G. (2024). Interactions of polyvinyl acetate dispersions with nanostructured superhydrophilic and superhydrophobic Ti6Al4V alloy surfaces. <i>Discover Applied Sciences</i>, <i>6</i>(6), Article 294. <a href=\"https://doi.org/10.1007/s42452-024-05916-z\">https://doi.org/10.1007/s42452-024-05916-z</a>","short":"V. Neßlinger, J. Atlanov, G. Grundmeier, Discover Applied Sciences 6 (2024).","chicago":"Neßlinger, Vanessa, Jan Atlanov, and Guido Grundmeier. “Interactions of Polyvinyl Acetate Dispersions with Nanostructured Superhydrophilic and Superhydrophobic Ti6Al4V Alloy Surfaces.” <i>Discover Applied Sciences</i> 6, no. 6 (2024). <a href=\"https://doi.org/10.1007/s42452-024-05916-z\">https://doi.org/10.1007/s42452-024-05916-z</a>.","mla":"Neßlinger, Vanessa, et al. “Interactions of Polyvinyl Acetate Dispersions with Nanostructured Superhydrophilic and Superhydrophobic Ti6Al4V Alloy Surfaces.” <i>Discover Applied Sciences</i>, vol. 6, no. 6, 294, Springer Science and Business Media LLC, 2024, doi:<a href=\"https://doi.org/10.1007/s42452-024-05916-z\">10.1007/s42452-024-05916-z</a>.","bibtex":"@article{Neßlinger_Atlanov_Grundmeier_2024, title={Interactions of polyvinyl acetate dispersions with nanostructured superhydrophilic and superhydrophobic Ti6Al4V alloy surfaces}, volume={6}, DOI={<a href=\"https://doi.org/10.1007/s42452-024-05916-z\">10.1007/s42452-024-05916-z</a>}, number={6294}, journal={Discover Applied Sciences}, publisher={Springer Science and Business Media LLC}, author={Neßlinger, Vanessa and Atlanov, Jan and Grundmeier, Guido}, year={2024} }","ama":"Neßlinger V, Atlanov J, Grundmeier G. Interactions of polyvinyl acetate dispersions with nanostructured superhydrophilic and superhydrophobic Ti6Al4V alloy surfaces. <i>Discover Applied Sciences</i>. 2024;6(6). doi:<a href=\"https://doi.org/10.1007/s42452-024-05916-z\">10.1007/s42452-024-05916-z</a>"},"doi":"10.1007/s42452-024-05916-z","article_number":"294","language":[{"iso":"eng"}],"date_updated":"2025-12-08T08:33:00Z","publication_status":"published","intvolume":"         6","year":"2024","title":"Interactions of polyvinyl acetate dispersions with nanostructured superhydrophilic and superhydrophobic Ti6Al4V alloy surfaces","author":[{"id":"54649","full_name":"Neßlinger, Vanessa","last_name":"Neßlinger","first_name":"Vanessa","orcid":"0000-0001-9416-1646"},{"full_name":"Atlanov, Jan","first_name":"Jan","last_name":"Atlanov"},{"first_name":"Guido","last_name":"Grundmeier","full_name":"Grundmeier, Guido","id":"194"}],"publication_identifier":{"issn":["3004-9261"]},"type":"journal_article","department":[{"_id":"302"}],"date_created":"2025-12-08T08:32:26Z","abstract":[{"text":"<jats:title>Abstract</jats:title><jats:p>Nanostructured bilayer thin films with superhydrophobic and superhydrophilic surfaces were prepared using Ti6Al4V alloy substrates which allowed for the comparative analysis of polyvinyl acetate (PVAc) particle adsorption as a function of the interface structure. The PVAc particles were obtained from emulsion polymerization of vinyl acetate. A superhydrophilic TiO<jats:sub>2</jats:sub> nanofiber-based 3D network was created on the Ti6Al4V alloy substrate by application of a hydrothermal method. Subsequent UV-grafting of ultra-thin polydimethylsiloxane (PDMS) layers resulted in a superhydrophobic surface. The modification steps were followed via Diffuse Reflectance Infrared Fourier Transform Spectroscopy, X-ray Photoelectron Spectroscopy, Field Emission-Scanning Electron Microscopy, contact angle and Electrochemical Impedance Spectroscopy. A mechanism for the adsorption of PVAc at the two electrolyte/substrate interfaces could be revealed.</jats:p>","lang":"eng"}],"issue":"6","publication":"Discover Applied Sciences"}]