Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2017
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Marcos Viejo Elena Carneros Hugh Cross Igor A. Yakovlev Carl Gunnar Fossdal Jorunn Elisabeth OlsenAbstract
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Claire CoutrisAbstract
The major fraction of engineered nanomaterials (ENMs) released in the environment are transiting through wastewater treatment plants (WWTPs). How do the microorganisms responsible for the removal of nitrogen in WWTPs react when exposed to wastewater-borne ENMs? We investigated the potential for Ag and TiO2 nanoparticles (and their transformation products) to cause a decrease in the operational efficiency of WWTPs, more specifically on nitrogen removal by denitrification. To gain a mechanistic understanding of the potential effects of Ag and TiO2 NPs on denitrifying bacteria, we exposed pure cultures of bacteria isolated from activated sludge to various concentrations of NPs, and monitored gas kinetics during the transition from oxic to anoxic respiration. We also conducted similar exposure experiments on indigenous bacterial communities present in actively operating WWTPs. Results obtained with suspended and biofilm associated microorganisms will be presented, in order to complement eco-physiological studies on single organisms.
Lecture – Capture+ A dawn for biochar in Norway
Erik J. Joner, Adam Thomas O'toole, Alice Budai, ...
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Authors
Holger Lange Jogeir N. Stokland Bernhard Ahrens Lise Dalsgaard Stephanie Eisner Hanna Lee Toby Marthews Helge Meissner Sebastian SippelAbstract
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Lise Dalsgaard Aaron Smith Ryan Bright Gunnhild Søgaard Gry Alfredsen Signe Kynding Borgen Johannes BreidenbachAbstract
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Frans-Jan W. Parmentier Daniel Rasse Magnus Lund Jarle W. Bjerke Bert G. Drake Simon Weldon Hans Tømmervik Georg Heinrich Hansen Lennart Nilsen Elisabeth J. CooperAbstract
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H Egelyng Anita Romsdal H.O. Hansen Rasa Slizyte Ana Karina Carvajal Laura Jouvenot Marie Hebrok Kaisu Honkapää Jens Petter Wold Randi Seljåsen Marit AursandAbstract
A circular bioeconomy has become a global aspiration for governments in Europe and around the globe. This article pursues research questions concerning concrete innovations aiming to create bioeconomic transition options in Norway and presents results from a transdisciplinary investigation of Norwegian food industry cases involving processing of fish, meat, fruit, and vegetable co-streams aiming to capture or even increase use and value of residues from processing. It shows that while objectives of avoiding food losses and transforming co-streams to new products of higher value characterizes the poultry industry case and part of the ‘blue’ sector, challenges remain particularly in the ‘whitefish’ area where - also at the global level - a high share of fish resources ends as rest raw materials, i.e. not fully utilised. The investigation targeted strategic cases of innovations enabling alternative uses of co-streams: automation and scanning technologies for fractioning raw materials and co-streams into different qualities, a collection system for fish rest raw materials at sea, enzymatic hydrolysis, use of second grade vegetables for smoothies and potato peels for biodegradable plastics in the vegetable (potato) processing industries. The article shows how these innovations enable cascading and valorisation of co-streams and why an upcycling potential exists as well. Its main contribution is in demonstrating feasibility of transdisciplinary research and innovative options for bioeconomic transition towards sustainability.