Bio4Energy Environment and Nutrient Recycling

A Systematic Evaluation of the Fate of Phosphorus in Fluidized Bed Combustion of Biomass and Sewage Sludge

Falk J, Skoglund N, Grimm A, Öhman M. 2020.A Systematic Evaluation of the Fate of Phosphorus in Fluidized Bed Combustion of Biomass and Sewage Sludge. Energy Fuels. Online 22 March

Bio4Energy Environment and Nutrient Recycling

Scientists on the platform Bio4Energy Environment and Nutrient Recycling perform research with the aim to render waste products or surplus energy from biorefinery useful for other processes, or to check the efficiency and sustainability of products or processes over their life cycle. Photo published with permission.
Researchers on the platform Bio4Energy Environment and Nutrient Recycling have set out to provide the checks and balances in the work of the overall research programme to create environmentally-sound and sustainable biorefinery processes. These should be made to operate efficiently and turn out energy-efficient products, as well as cause or produce no or only a minimum of environmental pollutants and undesirable by-products or waste.

General objectives are:

• To contribute to the development of environmentally-sound and sustainable forest-based biochemical and thermochemical industrial processes;

• That the ecological footprint in terms of emissions of substances that are hazardous to soil, water and atmosphere should be minimised and;

• That complete biomass use loops should be created.

Specific goals include:

• The recovery and purification of nutrients from waste streams. Deeper understanding of the impact of recycling various nutrient/ash mineral assemblies on soil chemistry and plant availability;
• The generation of value-added products from waste streams: Adaptation of an algae satellite loop to a pulp-and-paper process environment;
• Understanding the role of particulate matter from flue gas for the formation of persistent organic pollutants (POPs) in thermal conversion processes;
• The minimisation of gaseous and particulate inorganic and organic hazardous emissions from thermal conversion processes and;
• The revision of existing and future biochemical and thermochemical conversion processes to identify potential environmentally harmful impacts and incomplete use loops.

Platform leader is Nils Skoglund, associate professor, taking over the leadership from Stina Jansson as of 1 March 2022. Both are affiliated with Umeå University (UmU).

The following researchers are part of the platform Bio4Energy Environment and Nutrient Recycling:

UmU, Umeå, Sweden
This email address is being protected from spambots. You need JavaScript enabled to view it., - This email address is being protected from spambots. You need JavaScript enabled to view it. - Pierre Oesterle - This email address is being protected from spambots. You need JavaScript enabled to view it. - Carla Perez	+46 90 786 7622	UmU: KBC 6A, Linnaeus Rd 6
This email address is being protected from spambots. You need JavaScript enabled to view it.
This email address is being protected from spambots. You need JavaScript enabled to view it.	+46 90 786 5445	UmU: KBC 6C10, Linnaeus Rd 6
This email address is being protected from spambots. You need JavaScript enabled to view it.	+46 90 786 6801	UmU: KBC KB7C8, Linnaeus Rd 6
Christoffer Boman, Bio4Energy Programme Manager
- This email address is being protected from spambots. You need JavaScript enabled to view it.
- This email address is being protected from spambots. You need JavaScript enabled to view it.
- This email address is being protected from spambots. You need JavaScript enabled to view it.		Affiliated with the University of Aveiro, Portugal from 2019

Swedish University of Agricultural Sciences/ Umeå Plant Science Centre, Umeå, Sweden
This email address is being protected from spambots. You need JavaScript enabled to view it. - This email address is being protected from spambots. You need JavaScript enabled to view it.	+46 90 786 8205 +46 90 786 8443	SLU: Forest Ecology and Management and; Forest Genetics and Plant Physiology SLU: Forest Ecology and Management
- This email address is being protected from spambots. You need JavaScript enabled to view it.		SLU: Forest Ecology and Management
This email address is being protected from spambots. You need JavaScript enabled to view it.	+46 90 786 8583	SLU: Forest Genetics and Plant Physiology
Francesco Gentili	+46 90 786 8196 +46 73 802 6660	SLU: 208
- This email address is being protected from spambots. You need JavaScript enabled to view it.	+46 73 084 3494	SLU: K4062

Luleå University of Technology, Luleå, Sweden
This email address is being protected from spambots. You need JavaScript enabled to view it. - This email address is being protected from spambots. You need JavaScript enabled to view it.	+46 92 049 1843	LTU: Geosciences and Environmental Engineering, F854

Bio4Energy-funded Projects Promoting Excellence, Collaboration Focus of Event

Twice a year, the Bio4Energy scientists meet as a group to exchange ideas. Photo by Bio4Energy (archives).Bio4Energy offers its scientists the possibility to apply for so-called Strategic Funds to finance projects on new lines of research that are likely to advance the frontiers of science. The projects also have to promote collaboration between researchers from different disciplines or organisations; including universities, institutes and industry tied to the research environment.

Today’s Bio4Energy Researchers’ Meeting, a biannual event for the research programme within the environment, learnt about projects enabled by those funds.
Bio4Enery Going Strong: New Scientists, Collaborations

Bio4Energy researchers and advanced students met at Umeå, Sweden, 16 June. Photos by Anna Strom ©2022. Bio4Energy scientists and advanced students met at Umeå, Sweden, ready to form new research collaborations.

Bio4Energy's most recent platform leader, This email address is being protected from spambots. You need JavaScript enabled to view it., opened up for collaboration with Environment and Nutrient Recycling; and with his team presenting new lines of research.

New Bio4Energy researchers, bringing the membership count to 225, took the stage; pitching and matching.

The research environment is stronger than ever, taking its collaborations, as well as own education and training to new levels.

Moreover, expect news in terms of Bio4Energy's outreach and online presence to follow in the third or fourth quarter of this year.
Bioenergy Solutions in Africa
Bio4Energy at Umeå University: Bioenergy Solutions in Africa, Bioenergy Insight Magazine
Change of Leader at Bio4Energy Environment, Nutrient Recycling

Incoming Bio4Energy platform leader Nils Skoglund accepts a relay baton—a piece of wood—from outgoing platform head Stina Jansson. Photo by Anna Strom©2022.The research and development platform Bio4Energy Environment and Nutrient Recycling has a new leader as of March 2022.

This email address is being protected from spambots. You need JavaScript enabled to view it., associate professor at Bio4Energy host Umeå University, is taking over the platform leadership from This email address is being protected from spambots. You need JavaScript enabled to view it., who has the same title and affiliation, as she takes on more responsibilities for her home department.

The appointment has the blessing of the Bio4Energy Steering Group and Board.

“I am happy to take on this role and look forward to shouldering the responsibility”, Skoglund said.

As all seven Bio4Energy R&D platform leaders, he has a substantial science background; including in Chemistry, Biology and Earth Sciences; and holds a PhD in Energy Technology with specialisation in Thermal Process Chemistry. One of his focal areas is the recovery of phosphorus from biomass ash or organic waste.

He welcomed the confirmation of the continued funding by the Swedish government of the Bio4Energy research environment, which will continue at least until 2024. This would allow the platform to focus its work on medium-term goals, he said.
Comparative environmental assessment of end-of-life carbonaceous water treatment adsorbents

Kozyatnyk I, Yacout DMM, Van Caneghem J, Jansson J. 2020. Comparative environmental assessment of end-of-life carbonaceous water treatment adsorbents. Bioresource Technology, Online 23 January
Comparative environmental assessment of end-of-life carbonaceous water treatment adsorbents
Kozyatnyk I, Yacout DMM, Van Caneghem J, Jansson S. 2020. Comparative environmental assessment of end-of-life carbonaceous water treatment adsorbents. Bioresource Technology, 302, 122866
Conference on the Impact of Fuel Quality on Power Production and the Environment
Call for papers - 28th International Conference Impacts of Fuel Quality on Power Production and the Environment

When: 19-23 September 2022

Where: Åre, Sweden

This conference, 28th in the series, will highlight solutions to the significant fuel-quality challenges facing power producers using current power technologies such as fluidised bed, sub-critical boilers, incineration, as well as newer technologies such as IGCC, PFBC, super- and ultra-super-critical boilers, oxy-fuel systems and gasifiers. These challenges involve fuel preparation and blending, slagging, fouling, corrosion, aerosol formation, ash disposal, catalyst poisoning, availability and capacity, as well as sensors and control strategies.

The conference emphasises end-results and application of fundamental information to minimise fuel quality impacts on power
production and the environment. The conference will focus on traditional fuels, particularly traded coals, low-grade and low-rank coals and opportunity fuels such as biomass, tires, black liquor, MSW, waste sludge and pet coke. Fundamental studies, pilot-scale investigations, full-scale evaluations and computer simulation papers are encouraged.

Sessions for the conference will include, but are not limited to

• Coal and opportunity fuels such as waste and biomass
• Fuel characterisation, preparation and upgrading
• Co-combustion
• Ash characterisation
• Slagging
• Deposit build-up, consolidation and shedding
• Fly ash and aerosol formation
• Corrosion at high temperatures
• Influence of ash on process performance: Operational and emission problems
• Diagnostics, sensors and controls
Decisive Step Taken in Project to Bring Sustainable Bioenergy to Sub-Saharan Africa

Robert Lindgren of Bio4Energy fuels the pilot reactor for biomass gasification. Photo by Bio4Energy© 2020.Scientists in Bio4Energy have taken a decisive step in a multi-actor project to provide sustainable bioenergy solutions for people in some of the least well-off countries in Africa, by designing a pilot installation that will produce energy-rich gas and biochar from pre-treated biomass residues.

The construction of the two-metre tall pilot—which is still a miniature version of what a future commercial-scale gasification reactor would look like—is a collaboration between Bio4Energy researchers at Umeå University and at the Swedish University of Agricultural Sciences at Umeå, Sweden.

“The reactor makes us able to close the loop, or construct a total system, of upgrading and using residual biomass products from the agricultural industry”, said project leader This email address is being protected from spambots. You need JavaScript enabled to view it. of the research and development platform Bio4Energy Environment and Nutrient Recycling.

Boman and his colleague and former student This email address is being protected from spambots. You need JavaScript enabled to view it., of the same R&D platform, have been championing the project since the outset in 2012, and with funding granted in 2015.
Emissions of toxic pollutants from co-combustion of demolition and construction wood and household waste fuel blends

Edo M, Ortuño N, Persson P-E, Conesa JA, Jansson S. 2018. Emissions of toxic pollutants from co-combustion of demolition and construction wood and household waste fuel blends. Chemosphere, 203: 506-513, July
Environmental Sustainability of Bioenergy Strategies in Western Kenya to Address Household Air Pollution
Carvalho RL, Yadav P, García-López N, Lindgren R, Nyberg G, Diaz-Chavez R, Upadhyayula VKK, Boman Ch, Athanassiadis D. 2020. Environmental Sustainability of Bioenergy Strategies in Western Kenya to Address Household Air Pollution.Energies 13(3), 719
EU lawmakers agree provisional deal to promote bio-based fertilisers

EU lawmakers agree provisional deal to promote bio-based fertilisers, Bio-based World News
Household air pollution mitigation with integrated biomass/cookstove strategies in Western Kenya

Carvalho RL, Lindgren R, García-Lopéz N, Nyambane A, Nyberg G, Diaz-Chavez R, Boman Ch. 2019. Household air pollution mitigation with integrated biomass/cookstove strategies in Western Kenya. Energy Policy, 131, 168-186. August
Influence of water matrix and hydrochar properties on removal of organic and inorganic contaminants
Niinipuu M, Bergknut M, Boily JF, Rosenbaum E, Jansson S. 2020. Influence of water matrix and hydrochar properties on removal of organic and inorganic contaminants. Environ Sci Pollut Res Int. May
Leaching of metal(loid)s from ashes of spent sorbent and stabilisation effect of calcium-rich additives
Kasiuliene A, Carabante I, Sefidari H et al. 2020. Leaching of metal(loid)s from ashes of spent sorbent and stabilisation effect of calcium-rich additives. Environ Sci Pollut Res, 139. 21 May
Microalgae biomass as a sustainable precursor to produce nitrogen-doped biochar for efficient removal of emerging pollutants from aqueous media
González-Hourcade M, Simões dos Reis G, Grimm A, Dinh V, Lima E, Larsson S, Gentili F. 2022. Microalgae biomass as a sustainable precursor to produce nitrogen-doped biochar for efficient removal of emerging pollutants from aqueous media. Journal of Cleaner Production. March
New Initiatives to Meet UN SDGs: Bio4Energy Partner Universities

Natural resources of the Swedish north. Photo collage by courtesy of Luleå University of Technology.Two of the partner universities in the research environment Bio4Energy are launching major initiatives to make researchers from different disciplines collaborate with each other and with industry to make northern Sweden lead the way in adapting to and countering climate change, in line with the United Nations’ Sustainable Development Goals (UN SDGs).

Luleå University of Technology (LTU) in northernmost part of Sweden takes aim at basic industry in the region—sectors that draw on forest trees, mining ore or dams or waterfalls for hydropower—to carry out the transition to a sustainable economy.

“Meeting the climate [change] goals and transforming basic industry requires an increased use of northern Sweden’s natural resources. We need new technology and new methods; new products and new solutions for fossil-free electrification, energy storage, efficient use of raw materials and use of byproducts”, said a press release from LTU.

Research group leader This email address is being protected from spambots. You need JavaScript enabled to view it. of Bio4Energy System Analysis and Bioeconomy has been elected assistant scientific leader of the LTU initiative SUN—Natural Resources for Sustainable Transitions.

“Industry’s transition is going to require a great number of skilled people. We need to create attractive conditions for them to come here”, according to Söderholm.
Off-gassing from pilot-scale torrefied pine chips: Impact of torrefaction severity, cooling technology, and storage times
Borén E, Pommer L, Nordin A, Larsson SH. 2020. Off-gassing from pilot-scale torrefied pine chips: Impact of torrefaction severity, cooling technology, and storage times. Fuel Processing Technology, 202, 106380
Progress by Bio4Energy's R&D Platforms Unveiled

Bio4Energy's researchers and students met online to share the latest progress by the seven Bio4Energy Research and Development (R&D) Platforms, as the 17 June Spring 2020 Bio4Energy Researchers' Meeting.*

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Until further notice, the Autumn 2020 Bio4Energy Researchers' Meeting will be held 13-14 October, at Skellefteå, Sweden.

*The pictures used are from archives, in memory of the Spring 2019 Bio4Energy Researchers' Meeting. There and then, our students made a large contribution and we want to encourage them to keep up the good work.

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Bio4Energy Environment and Nutrient Recycling

When: 19-23 September 2022

Where: Åre, Sweden