Volatile fatty acids (VFAs) and methane from food waste and cow slurry: Comparison of biogas and VFA fermentation processes

EA Tampio, L Blasco, MM Vainio, MM Kahala… - Gcb …, 2019 - Wiley Online Library
The potential of various biomasses for the production of green chemicals is currently one of
the key topics in the field of the circular economy. Volatile fatty acids (VFAs) are …

[HTML][HTML] When the circular economy diverges: The co-evolution of biogas business models and material circuits in Finland

H Valve, D Lazarevic, N Humalisto - Ecological economics, 2021 - Elsevier
The circular economy operates as an umbrella concept for attempts to find sustainable
alternatives to linear 'take-make-dispose'production and consumption systems. Making a …

[HTML][HTML] Agricultural nutrient loading under alternative climate, societal and manure recycling scenarios

I Huttunen, K Hyytiäinen, M Huttunen… - Science of the Total …, 2021 - Elsevier
This paper introduces a framework for extending global climate and socioeconomic
scenarios in order to study agricultural nutrient pollution on an individual catchment scale …

Carbon footprint and energy use of recycled fertilizers in arable farming

V Kyttä, J Helenius, HL Tuomisto - Journal of Cleaner Production, 2021 - Elsevier
The globally growing demand to produce more food with fewer inputs, less energy, and
lower greenhouse gas (GHG) emissions challenges current agricultural practices. Recycled …

Assessment of agricultural water protection strategies at a catchment scale: case of Finland

R Hietala, H Virkkunen, J Salminen, P Ekholm… - Regional Environmental …, 2024 - Springer
For decades, water quality monitoring programmes, agri-environment schemes and
environmental permits for animal farms have targeted a decrease in agricultural loads …

[HTML][HTML] Catalyzing the circular economy of critical resources in a national system: Case study on drivers, barriers, and actors in nutrient recycling

L Aarikka-Stenroos, M Kokko, EL Pohls - Journal of Cleaner Production, 2023 - Elsevier
Cycling of nutrients, such as phosphorus (P) and nitrogen (N), is essential for all life:
Nutrients are crucial for securing societies' food systems and valuable raw materials for …

Niche politics: Biogas, technological flexibility and the economisation of resource recovery

D Lazarevic, H Valve - Environmental Innovation and Societal Transitions, 2020 - Elsevier
The 'niche'is a central concept in sustainability transitions. However, its mobilisation in
analytical practice raises two concerns. The first stems from socio-technical determinism vis …

The circular nutrient economy: needs and potentials of nutrient recycling

H Valve, P Ekholm, S Luostarinen - Handbook of the circular …, 2020 - elgaronline.com
Phosphorus (P) and nitrogen (N) are the two central macronutrients without which food
production would not be possible. Due to the criticality of nutrients, the production and …

[PDF][PDF] Effects of mixed pulp mill sludges on crop yields and quality

S Kinnula, M Toivonen, H Soinne… - … and food science, 2020 - researchportal.helsinki.fi
There is a great need for sustainable fertilisers and soil amendments, as current fertilisation
practices negatively affect the environment. Pulp mill sludges (PMS) could provide a means …

Making the circular economy online: a hyperlink analysis of the articulation of nutrient recycling in Finland

N Humalisto, H Valve, M Åkerman - Environmental Politics, 2021 - Taylor & Francis
The circular economy (CE) is currently generating considerable expectations. The concept
describes an aspired future but does not provide clear guidance for policy-making. As policy …