Valorisation of baryte tailings for radiation shielding in plastics and nuclear waste disposal

Autor: Päivi Kinnunen, Jani Pelto, Pekka Viitanen, Markus Olin, Matti Nieminen

Publikováno v: Heliyon, Vol 10, Iss 3, Pp e25719- (2024)

Baryte (BaSO4) is a critical raw material with no functional recycling since the used applications are dissipative. Significant quantities of baryte end up in tailings as a side stream from the mining industry. Baryte from a secondary raw material so

Externí odkaz: https://doaj.org/article/ee437b52803545e8b7f9775b9bb13642

Novel Hot Vapor Filter Design for Biomass Pyrolysis

Autor: Christian Lindfors, Matti Nieminen, Tamer Alhalabi, Elmeri Pienihäkkinen, Joona Lahtinen, Anja Oasmaa

Publikováno v: Lindfors, C, Nieminen, M, Alhalabi, T, Pienihäkkinen, E, Lahtinen, J & Oasmaa, A 2023, ' Novel Hot Vapor Filter Design for Biomass Pyrolysis ', Energy & Fuels, vol. 37, no. 6, pp. 4460-4469 . https://doi.org/10.1021/acs.energyfuels.2c04285

Fast pyrolysis is a mature technology for the conversion of solid biomass into a liquid intermediate, fast pyrolysis bio-oil (FPBO). FPBO has so far been used mainly as heating fuel, but the target is to use it for the production of sustainable fuels

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df5b0b5716bfe66d3710dac49e17c750
https://cris.vtt.fi/en/publications/2499b6da-1f2b-4216-9bca-3ea1bcdac607

Thermal treatment for radioactive waste minimisation and hazard reduction

Autor: B Frasca, S J Scourfield, S M Wickham, J E Kent, S Clarke, Matti Nieminen

Publikováno v: IOP Conference Series: Materials Science and Engineering
Scourfield, S J, Kent, J E, Wickham, S M, Nieminen, M, Clarke, S & Frasca, B 2020, ' Thermal treatment for radioactive waste minimisation and hazard reduction : Overview and summary of the EC THERAMIN project ', IOP Conference Series: Materials Science and Engineering, vol. 818, no. 1, 012001 . https://doi.org/10.1088/1757-899X/818/1/012001

The EC THERAMIN project aimed to identify which wastes could benefit from thermal treatment, which treatment technologies are under development in participating countries, and how these could be combined to deliver a wide range of benefits. Thermal p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e0d7d0bb3a15ad647cb43eae4f4ef5a
https://doi.org/10.1088/1757-899X/818/1/012001

Clean syngas from biomass—process development and concept assessment

Autor: Johanna Kihlman, Matti Nieminen, Pekka Simell, Sanna Tuomi, Noora Kaisalo, Ilkka Hiltunen, Esa Kurkela, Ilkka Hannula

Publikováno v: Simell, P, Hannula, I, Tuomi, S, Nieminen, M, Kurkela, E, Hiltunen, I, Kaisalo, N & Kihlman, J 2014, ' Clean syngas from biomass-process development and concept assessment ', Biomass Conversion and Biorefinery, vol. 4, no. 4, pp. 357-370 . https://doi.org/10.1007/s13399-014-0121-y

This paper summarises the long development work done at VTT for gas clean-up for various synthesis applications. The development work has covered the most challenging and costly steps in biomass gasification based processes: high-temperature gas filt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a57e83a1677ed50e9d4de0423e868a5d
https://doi.org/10.1007/s13399-014-0121-y

Prospects for application of CCS in Finland

Autor: Janne Kärki, Antti Arasto, Eemeli Tsupari, Soile Aatos, Antti Lehtilä, Matti Nieminen, Sebastian Teir, Lauri Kujanpää, Tiina Koljonen

Publikováno v: Teir, S, Tsupari, E, Arasto, A, Koljonen, T, Kärki, J, Lehtilä, A, Kujanpää, L, Aatos, S & Nieminen, M 2011, ' Prospects for application of CCS in Finland ', Energy Procedia, vol. 4, pp. 6174-6181 . https://doi.org/10.1016/j.egypro.2011.02.628

In this paper, the possibilities and conditions for CCS applications in Finland are assessed. The study includes an overview of Finland's current climate and energy policy framework, mapping of large CO2 emission point sources and identification of p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c631bd094b54e56c15c64a19a28b9265