| Integrated energy‐emissions control planning in the community of Uppsala J Johnsson, O Björkqvist, CO Wene International Journal of Energy Research 16 (3), 173-188, 1992 | 31 | 1992 |
| Economic evaluation on bio-synthetic natural gas production integrated in a thermomechanical pulp mill W Zhang, J He, P Engstrand, O Björkqvist Energies 8 (11), 12795-12809, 2015 | 28 | 2015 |
| A study of transaction costs for energy investments in the residential sector O Björkqvist, C Wene Proceedings of the eceee 1993 Summer Study conference, 1993 | 27 | 1993 |
| Bio-sludge from the pulp and paper industry as feed for black soldier fly larvae: a study of critical factors for growth and survival R Norgren, O Björkqvist, A Jonsson Waste and Biomass Valorization 11, 5679-5685, 2020 | 26 | 2020 |
| Risk assessment of new pricing strategies in the district heating market: A case study at Sundsvall Energi AB O Björkqvist, J Idefeldt, A Larsson Energy Policy 38 (5), 2171-2178, 2010 | 26 | 2010 |
| Fermented pulp and paper bio-sludge as feed for black soldier fly larvae R Norgren, A Jonsson, O Björkqvist Biomass Conversion and Biorefinery 13 (7), 5625-5632, 2023 | 13 | 2023 |
| Techno-economic evaluation of a mechanical pulp mill with gasification J He, P Engstrand, O Björkqvist, W Zhang Nordic Pulp & Paper Research Journal 28 (3), 349-357, 2013 | 8 | 2013 |
| Pulp mill bio-sludge-sludge properties and recycling R Norgren, M Fröling, O Björkqvist 5th International Conference on Industrial & Hazardous Waste Management …, 2016 | 6 | 2016 |
| Industrial symbiosis solutions for recycling of biosludge from the pulp industry R Norgren, M Fröling, O Björkqvist Global Cleaner Production & Sustainable Consumption Conference 1-4 November …, 2015 | 5 | 2015 |
| FORE–Ett nytt industrikombinat baserat på mekaniska massaprocesser O Björkqvist, P Engstrand, M Htun, M Norgren Svensk papperstidning, Nordisk cellulosa, 24-25, 2010 | 4 | 2010 |
| Perspectives on demand side energy efficiency O Björkqvist Chalmers University of Technology, 1996 | 4 | 1996 |
| Information-flawing filters in critical infrastructure protection: the deficient information basis in a Swedish approach C Große, A Larsson, O Björkqvist International Journal of Critical Infrastructures 19 (1), 40-57, 2023 | 3 | 2023 |
| Business network and corporate sustainability view on value co-creation as part of business model innovation–a case study of district heating companies in Sweden E Andresen, O Björkqvist, AK Stengard, S Energi IMP Asia, 2-5 December 2018, Negombo Beach, Sri Lanka, 2018 | 2 | 2018 |
| Energy Optimization in a Paper Mill Enabled by a Three-Site Energy Cooperation A Hedlund, O Björkqvist, A Nilsson, P Engstrand Energies 15 (8), 2715, 2022 | 1 | 2022 |
| Från myndighet till medborgare och tillbaka: En studie av samverkan och kommunikation inomramen för STYREL PM Olausson, O Björkqvist, E Danielsson, C Große, A Larsson, J Nyhlén, ... Energimyndigheten, 2018 | 1 | 2018 |
| Mekmassainitiativet för energieffektivitet, e2mp-i PO Engstrand, O Ferritsius, O Björkqvist, L Johansson, Ö Johansson, ... Mittuniversitetet, 2015 | 1 | 2015 |
| Variety Reduction Model for Maintenance and Renewal Strategies M Wärja, O Björkqvist | 1 | 2004 |
| Reliability Based Approach to Maintenance and Renewal Strategies M Wärja, O Björkqvist | 1 | 2004 |
| Method of preparing a sludge, sludge resulting from said method and use of said sludge R Norgren, O Björkqvist, A Jonsson, K Anders US Patent App. 18/552,496, 2024 | | 2024 |
| for black soldier fly larvae R Norgren, A Jonsson, O Björkqvist | | 2021 |
