Activated Carbons from Fast Pyrolysis Biochar as Novel Catalysts for the Post-Treatment of Pyrolysis Vapors, Studied by Analytical Pyrolysis

Autor: Taina Ohra-aho, Christian Lindfors, Juha Lehtonen, Tarja Tamminen, Virpi Siipola

Publikováno v: C, Vol 6, Iss 4, p 65 (2020)

Biochars are attractive materials for carbon catalysts since their carbon content and surface area are relatively high and minerals present in biochar can act as active sites for catalytic reactions. In this study, biochars from the fast pyrolysis of

Externí odkaz: https://doaj.org/article/16260d6a914747b3bcb5d9c9baa4d676

Conceptual design of a distillation process for the separation of styrene monomer from polystyrene pyrolysis oil: experiment and simulation

Autor: Roshi Dahal, Petri Uusi-Kyyny, Juha-Pekka Pokki, Taina Ohra-aho, Ville Alopaeus

Publikováno v: Chemical Engineering Research and Design.

This study presents experiments and modeling of batch distillation for the separation of styrene monomer from polystyrene pyrolysis oil. The bottoms obtained from the batch distillation was further fractionated applying a short-path distillation unit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6059b439250f92b32fb9fd1d11a28690
https://doi.org/10.1016/j.cherd.2023.05.039

Fast Pyrolysis of Hydrolysis Lignin in Fluidized Bed Reactors

Autor: Tom Granström, Taina Ohra-aho, Christian Lindfors, Juha Lehtonen, Anja Oasmaa, Minna Yamamoto, Elmeri Pienihäkkinen

Publikováno v: Pienihäkkinen, E, Lindfors, C, Ohra-aho, T, Lehtonen, J, Granström, T, Yamamoto, M & Oasmaa, A 2021, ' Fast Pyrolysis of Hydrolysis Lignin in Fluidized Bed Reactors ', Energy & Fuels, vol. 35, no. 18, pp. 14758-14769 . https://doi.org/10.1021/acs.energyfuels.1c01719

Fast pyrolysis of hydrolysis lignin was studied in fluidized bed units. Hydrolysis lignin, a bioproduct from the lignocellulosic ethanol production process (St1 Cellunolix), was processed in bench scale bubbling fluidized bed (BFB) and pilot scale ci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee6cbd27860663a9bd364643981b0080
https://doi.org/10.1021/acs.energyfuels.1c01719

Transformation of industrial steel slag with different structure-modifying agents for synthesis of catalysts

Autor: Dmitry Yu. Murzin, Christian Lindfors, Jarno Salonen, Marcus Perula, Janne Peltonen, Juha Lehtonen, Ekaterina Kholkina, Taina Ohra-aho, Narendra Kumar

Publikováno v: Kholkina, E, Kumar, N, Ohra-aho, T, Lehtonen, J, Lindfors, C, Perula, M, Peltonen, J, Salonen, J & Murzin, D Y 2020, ' Transformation of industrial steel slag with different structure-modifying agents for synthesis of catalysts ', Catalysis Today, vol. 355, pp. 768-780 . https://doi.org/10.1016/j.cattod.2019.04.033

Industrial slag containing Si, Al, Ca, Fe, Mg and Ti was used as source for synthesis of novel catalytic materials upon variation of the treating agents (sodium hydroxide, ethylenediaminetetraacetic acid disodium salt dihydrate - sodium hydroxide and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f163e31f3a07e94ef61bce6295b748a5
https://doi.org/10.1016/j.cattod.2019.04.033

Entrained Flow Gasification of Polypropylene Pyrolysis Oil

Autor: Johansson, Fredrik Weiland, Muhammad Saad Qureshi, Jonas Wennebro, Christian Lindfors, Taina Ohra-aho, Hoda Shafaghat, Ann-Christine

Publikováno v: Molecules; Volume 26; Issue 23; Pages: 7317

Petrochemical products could be produced from circular feedstock, such as waste plastics. Most plants that utilize syngas in their production are today equipped with entrained flow gasifiers, as this type of gasifier generates the highest syngas qual

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=multidiscipl::26d3404c743cf579b3f60ab8c6c8b899