Anaerobic Digestion of Solid Agricultural Biomass in Leach-Bed Reactors

Autor: Ville Pyykkönen, Erika Winquist, Ari-Matti Seppänen, Markku Vainio, Elina Virkkunen, Kari Koppelmäki, Saija Rasi

Publikováno v: Bioengineering, Vol 10, Iss 4, p 433 (2023)

This study focuses on the feasibility of the dry anaerobic digestion of solid agricultural biomass for efficient renewable-energy production and nutrient recycling. Methane production and the amount of nitrogen in the digestates were measured in pilo

Externí odkaz: https://doaj.org/article/4f9a055009be4862ac1136817ceb0c09

Is biogas an energy or a sustainability product? - Business opportunities in the Finnish biogas branch

Autor: Jarkko Pyysiäinen, Vilja Varho, Erika Winquist, Pasi Rikkonen

Publikováno v: Journal of Cleaner Production. 233:1344-1354

The business opportunities in the Finnish biogas branch were studied through policy document analysis, analysis of the financial performance, and interviews of the biogas companies (in industrial and farm-scales). Although our study focuses on the ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1e73c2f2b48f74f3925486dc37be56a
https://doi.org/10.1016/j.jclepro.2019.06.181

Fibrolytic enzyme treatment prior to ensiling increased press-juice and crude protein yield from grass silage

Autor: Ville Pihlajaniemi, Arja Seppälä, Erika Winquist, Marketta Rinne, Matti Siika-aho, Piritta Niemi

Publikováno v: Rinne, M, Winquist, E, Pihlajaniemi, V, Niemi, P, Seppälä, A & Siika-aho, M 2020, ' Fibrolytic enzyme treatment prior to ensiling increased press-juice and crude protein yield from grass silage ', Bioresource Technology, vol. 299, 122572 . https://doi.org/10.1016/j.biortech.2019.122572

Grass is a versatile raw material for green biorefineries and preserving it as silage provides a year-round feedstock. The objective of the current study was to evaluate the effect of fibrolytic enzyme application on silage as a feedstock for a biore

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b859704a3486fbaeb4e41b8fdd73af4
https://cris.vtt.fi/en/publications/d72d8ad6-57f0-4b1b-b876-198ca75700f2

Ecological intensification by integrating biogas production into nutrient cycling:Modeling the case of Agroecological Symbiosis

Autor: Tuure Parviainen, Rogier P.O. Schulte, Erika Winquist, Elina Virkkunen, Juha Helenius, Kari Koppelmäki

Publikováno v: Koppelmäki, K, Parviainen, T, Virkkunen, E, Winquist, E, Schulte, R P O & Helenius, J 2019, ' Ecological intensification by integrating biogas production into nutrient cycling : Modeling the case of Agroecological Symbiosis ', Agricultural Systems, vol. 170, pp. 39-48 . https://doi.org/10.1016/j.agsy.2018.12.007
Agricultural Systems 170 (2019)
Agricultural Systems, 170, 39-48

There is growing demand to produce both food and renewable energy in a sustainable manner, while avoiding competition between food and energy production. In our study, we investigated the potential of harnessing biogas production into nutrient recycl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::516d5e602acd5cd71c555b6e87c9c51f
https://cris.vtt.fi/en/publications/10aac3ea-6501-4a40-be0d-03d65fc60039

Typen erotus ja talteenotto lantaperäisestä nesteestä

Autor: Satu Ervasti, Erika Winquist

Publikováno v: Suomen Maataloustieteellisen Seuran Tiedote

Lannan prosessoinnin tavoitteena on yleensä fosforin erottaminen kiintojakeeksi, joka voidaan kuljettaa kauemmaksi. Samalla muodostuu kuitenkin typpeä sisältävää nestettä, jonka volyymit ovat suuria, mutta typpipitoisuudet varsin pieniä. Nest

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7550147a7915605aa3b24bf6c0956e39
https://journal.fi/smst/article/view/75143