Dr Mirjam Röder

Associate Professorial Research Fellow, Energy and Bioproducts Research Institute (EBRI) Aston University

  • Birmingham

Dr Röder's research interests focus on bioenergy and related sustainability implications.

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4 min

Aston University researchers to help unlock renewable energy and reduce rice straw emissions in India and the Philippines

300 million tonnes of rice straw are burned after harvest in Asia every year Aston University will be contributing to new international project to unlock renewable energy potential Its researchers will lead on calculating the greenhouse gas emissions savings of new systems. Aston University researchers are helping to make rice straw processing in India and the Philippines less environmentally damaging. The University will be contributing to a new international collaboration, the Renewable, Inclusive Carbon-negative Energy (RICE) project, funded by Innovate UK Energy Catalyst programme to unlock renewable energy for rice farmers. Already the University has worked with UK company Straw Innovations in the Philippines and now the two are expanding their collaboration to benefit more of the continent. Aston University working with UK company Straw Innovations and Indian enterprise, Takachar Rice straw is a crop waste byproduct and each year across Asia 300 million tonnes of it go up in smoke when burnt after harvest. This releases emissions and air pollutants that triple risks of increased respiratory diseases and accelerate climate change. India and the Philippines are the world’s second and eighth largest rice producers respectively and together they produce 130 million tonnes of both rice and straw per year. Aston University and Straw Innovations and will be collaborating with an Indian award winning small and medium sized enterprise, Takachar. The firm has developed small scale, low-cost, portable equipment which can convert agricultural waste on-site into higher value bioproducts such as fertilizer blends, chemicals and biofuels. "The company will develop a super-sized version which is 10 times bigger than their current device, make it adaptable to rice mills, and will send it to Straw Innovations, so the two firms can test out different business models for farmer adoption/benefit. Straw Innovations will also send their machines from the Philippines to India mid-project and the two countries will test out different business models for farmer adoption/benefit. And for the first time they will tap into the heat produced in the waste process to dry rice, instead of using diesel or kerosene. University researchers will lead on assessing the sustainability of the project, calculating the greenhouse gas emissions savings of the new systems introduced by Straw Innovations and Takachar. Sustainability expert Dr Mirjam Röder will also engage with the farming community and rural stakeholders to quantify how the systems can increase farmer incomes, equality of opportunity, food security and decarbonisation benefits, whilst highlighting any trade-offs. Dr Röder who is based at Aston University’s Energy & Bioproducts Research Institute (EBRI) said: “Environmentally, rice produces 48% of all global crop emissions, due to methane from flooded fields. This is halved when the straw is removed and reduced further when its carbon is stored in biochar. We are aiming for carbon negative which means removing carbon dioxide (CO₂) from the atmosphere or sequestering more CO₂ than is emitted. “Our new research leads on from our rice straw bio gas hub project with Straw Innovations, SEARCA and Koolmill and we’re pleased to be building further relationships with new partners in India. In January Biomass and Bioenergy published a paper about the topic written by Dr Röder, the director of EBRI Professor Patricia Thornley and Craig Jamieson of Straw Innovations called The greenhouse gas performance and climate change mitigation potential from rice straw biogas as a pathway to the UN sustainable development goals. Craig Jamieson from Straw Innovations said "We’ve been pioneering rice straw work with the team at Aston University for the past seven years. We're delighted to continue that strong partnership and widen it to include Takachar in this new project. “Takachar is a leader in making biochar from crop residues and our partnership with them is very strategic. We look forward to combining our new improved straw harvesting technology with their scaled-up biochar production. It will be a step change, creating a new, more efficient system for carbon negative energy and soil improvement for rural communities across Asia." Vidyut Mohan who founded Takachar said: “We are excited to partner with Aston University and Straw Innovations. “Our combined solutions can significantly move the needle in reducing crop residue collection costs and biochar production costs for carbon removal." Notes to Editors Rice straw is a crop waste byproduct and each year across Asia 300 million tonnes of it go up in smoke when burnt after harvest https://tinyurl.com/2afjhhsj To read The greenhouse gas performance and climate change mitigation potential from rice straw biogas as a pathway to the UN sustainable development goals visit https://www.sciencedirect.com/science/article/pii/S0961953424000254, Biomass and Bioenergy Volume 182, March 2024, 107072 Mirjam Röder and Patricia Thornley Energy & Bioproducts Research Institute (EBRI), College of Engineering and Physical Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, United Kingdom Craig Jamieson Straw Innovations Ltd., Lawes Open Innovation Hub, Rothamsted Research, West Common, Harpenden, HERTS, AL5 2JQ, United Kingdom https://doi.org/10.1016/j.biombioe.2024.107072 About Aston University For over a century, Aston University’s enduring purpose has been to make our world a better place through education, research and innovation, by enabling our students to succeed in work and life, and by supporting our communities to thrive economically, socially and culturally. Aston University’s history has been intertwined with the history of Birmingham, a remarkable city that once was the heartland of the Industrial Revolution and the manufacturing powerhouse of the world. Born out of the First Industrial Revolution, Aston University has a proud and distinct heritage dating back to our formation as the School of Metallurgy in 1875, the first UK College of Technology in 1951, gaining university status by Royal Charter in 1966, and becoming The Guardian University of the Year in 2020. Building on our outstanding past, we are now defining our place and role in the Fourth Industrial Revolution (and beyond) within a rapidly changing world. For media inquiries in relation to this release, contact Nicola Jones, Press and Communications Manager, on (+44) 7825 342091 or email: n.jones6@aston.ac.uk

Dr Mirjam RöderPatricia Thornley

4 min

Aston University scientist showcases research to convert rice straw into bioenergy for Philippines’ rural communities

Rice straw could be a fuel of the future in rural Philippines Across Asia 300 million tonnes of rice straw go up in smoke every year New proposals includes scaling up harvesting system with straw removal, biogas-powered rice drying and storage and efficient milling. An Aston University bioenergy researcher has been explaining how rice straw could be a fuel of the future in rural Philippines. Dr Mirjam Roeder who is based at the University’s Energy & Bioproducts Research Institute (EBRI) is collaborating with the UK company Straw Innovations Ltd, Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA) and Koolmill Systems Ltd to showcase their research. The Food and Agriculture Organisation (FAO) states that rice is the number one food crop globally and 91% of it is produced and consumed in Asia. As a crop it is responsible for 48% of global crop emissions and for every kilogram of rice, a kilo of straw is produced. Across Asia 300 million tonnes of rice straw go up in smoke every year when burnt after harvest, releasing emissions and air pollutants that triple risks of increased respiratory diseases and accelerate climate change. To raise awareness of sustainable uses for rice straw Dr Roeder has travelled to the sixth International Rice Congress in Manila, Philippines to explain the potential of the emerging technology. Rice straw is an underdeveloped feedstock and can be collected and digested to produce biogas, unlocking sustainable straw management options and renewable energy for farmers using anaerobic digestion (AD) from rice straw. Dr Roeder has been working with Straw Innovations on their UK Innovate project demonstration facility in the Philippines, the Rice Straw Biogas Hub, which is scaling up a complete harvesting system with straw removal, biogas-powered rice drying and storage, together with efficient milling. Craig Jamieson, Straw Innovations said: “The International Rice Congress is only held every four years and is a key event for coordinating and tracking progress in rice research. “Our partnership with Aston University and SEARCA adds independent, scientific rigour to the work we do and amplifies our message to government policy makers. We are grateful to Innovate UK for their ongoing support through the Energy Catalyst Programme, which is accelerating our development.” At the conference Dr Roeder has been explaining how independent environmental and social research can increase farmer incomes, equality of opportunity, food security and decarbonisation benefits. She said: “Engaging with stakeholders and working in partnership across organisations is vital to the successful adoption of new technologies. I am delighted to have had the opportunity to host an event with our project partners at this prestigious conference, bringing the cutting-edge research of using rice straw for clean energy to the forefront of the rice research community and supporting the pathway to net zero.” Dr Glenn B Gregorio, Center Director of SEARCA, added: "We are gaining insights into the environmental impact of rice straw utilisation and implementing policies to unleash its potential to empower us to make informed decisions that are instrumental to climate change mitigation and decarbonisation," Professor Rex Demafelis, University of the Philippines, is also working with SEARCA and is leading the project on life cycle analyses and measurements of rice straw greenhouse gas emissions. He said: “Rice straw is a valuable resource, and we are grateful to be part of this team which seeks to harness its full potential and promote circularity, which would ultimately contribute to our goal of reducing our greenhouse gas emissions.” ENDS The Supergen Bioenergy Hub works with academia, industry, government and societal stakeholders to develop sustainable bioenergy systems that support the UK’s transition to an affordable, resilient, low-carbon energy future. The Hub is funded jointly by the Engineering and Physical Sciences Research Council (EPSRC) and the Biotechnology and Biological Sciences Research Council (BBSRC) and is part of the wider Supergen Programme. For further information contact Rebecca Fothergill and Catriona Heaton supergen-bioenergy@aston.ac.uk Follow us on Twitter @SuperBioHub Visit our website at supergen-bioenergy.net Visit our YouTube Channel to watch the video on Carbon Balance FAO: RICE PRODUCTION IN THE ASIA-PACIFIC REGION: ISSUES AND PERSPECTIVES M.K. Papademetriou(fao.org) https://www.fao.org/3/x6905e/x6905e04.htm About Aston University For over a century, Aston University’s enduring purpose has been to make our world a better place through education, research and innovation, by enabling our students to succeed in work and life, and by supporting our communities to thrive economically, socially and culturally. Aston University’s history has been intertwined with the history of Birmingham, a remarkable city that once was the heartland of the Industrial Revolution and the manufacturing powerhouse of the world. Born out of the First Industrial Revolution, Aston University has a proud and distinct heritage dating back to our formation as the School of Metallurgy in 1875, the first UK College of Technology in 1951, gaining university status by Royal Charter in 1966, and becoming The Guardian University of the Year in 2020. Building on our outstanding past, we are now defining our place and role in the Fourth Industrial Revolution (and beyond) within a rapidly changing world. For media inquiries in relation to this release, contact Nicola Jones, Press and Communications Manager, on (+44) 7825 342091 or email: n.jones6@aston.ac.uk

Dr Mirjam Röder

3 min

Bioenergy experts welcome commitment to sustainability in UK’s new Biomass Strategy

New strategy outlines role of biomass in UK’s transition to net zero, with sustainability as major theme Supergen Bioenergy Hub experts worked with government departments to provide scientific evidence and insight They welcome the holistic view of sustainability in the Biomass Strategy and call for action to deliver its ambitions. A group of bioenergy experts have welcomed the Government’s new UK Biomass Strategy, but say urgent action is now vital to shape its ambitions into deliverable policies. Researchers at the Supergen Bioenergy Hub led by Aston University worked closely with government departments to provide scientific evidence to inform the strategy, which outlines the role biomass will play in supporting the UK’s transition to net zero and how this will be achieved. Professor Patricia Thornley, who leads the Hub, says: “This is a comprehensive and considered biomass strategy that, rightly, places sustainability at the heart of UK bioenergy development. The challenge is now to produce actions that can deliver the sustainable system of biomass required to achieve net zero.” Sustainability is a major theme within the new strategy. It includes a review of how existing sustainability policies could be improved, as well as a commitment to developing a cross-sectoral sustainability framework (subject to consultation) to ensure sustainability across the many different applications of biomass. This follows previous work led by Dr Mirjam Rӧder, Systems Topic Group Lead in the Supergen Bioenergy Hub, calling for harmonised sustainability standards across different biomass applications, which is referenced in the strategy. Dr Rӧder says: “We need rigorous approaches to sustainability governance that go beyond emissions. Considering wider environmental, social and economic trade-offs is essential for true sustainability and building trust in bioenergy projects.” The strategy considers the amount of biomass resource that might be available to the UK in the future, highlighting the importance of both imported and domestically produced biomass resources. Professor Thornley comments: “It is important that the strategy recognises the potential of imported as well as indigenous biomass in achieving global greenhouse gas reductions. Sustainable systems should grow, convert and use biomass in the locations where they can deliver most impact, ensuring we take account of all supply chain emissions. We shouldn’t shy away from imports where the source is sustainable and the overall system makes environmental, economic and social sense.” The strategy also considers how biomass should be prioritised across a variety of applications to best support the transition to net zero. Biomass applications ranging from transport fuels and hydrogen to domestic and industrial heating are recognised as important, but in the medium to long term the focus is on integration of bioenergy with carbon capture and storage (BECCS). BECCS is an emerging technology where the CO2 that may be released during the production and use of electricity, fuels or products derived from biomass is captured and stored, potentially resulting in negative emissions. Professor Thornley comments: “The priority use framework outlined in the Biomass Strategy makes eminent sense. The UK (and the global energy system) needs carbon dioxide removals to deliver net zero. BECCS has an absolutely key role to play, as reflected in the strategy. Again, while this is encouraging to see, we must not underestimate the challenges of moving towards such a radically different system at scale.” “Relying on future BECCS deployment alone to counterbalance the current excess of greenhouse gas emissions would not enable the full potential and benefits of BECCS. BECCS should be deployed alongside measures to transition away from the use of fossil fuels, not instead of them,” adds Dr Joanna Sparks, Biomass Policy Fellow at the Supergen Bioenergy Hub, who engaged closely with government departments as they developed the strategy. Dr Sparks led an extensive policy engagement and knowledge transfer process to ensure that those developing the strategy had full access to the breadth and depth of UK scientific and engineering academic expertise, ensuring a robust, independent scientific base. Professor Thornley believes continued engagement between policymakers, academics and the wider sector is vital in achieving the next steps in the delivery of the Government’s strategy. She says: “The key to successful long-term results is a close partnership between academia, industry and policy stakeholders so that we can anticipate problems and plan the pathways to success.”

Dr Mirjam RöderPatricia Thornley
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Biography

Dr Mirjam Röder is an Associate Professorial Research Fellow (Reader) at the Energy and Bioproducts Research Institute (EBRI) at Aston University.

She leads the EBRI Systems Analysis group and is an experienced research leader in sustainable bioenergy systems and transition to low-carbon societies bridging engineering, natural and social sciences. she has extensive knowledge of the bioenergy sector, including biomass availability, conversion technologies, Bioenergy with carbon capture and storage (BECCS) markets, and end-user demand.

Dr Röder has a strong track record of leading and managing research on UKRI- and Government-funded and industry-academic partnership projects with a diverse research funding portfolio (e.g., EPSRC, BBSRC, NERC, ESRC, Innovate UK, UK Aid).

Additionally, she has long-term experience collaborating with the industrial, public sector and the wider public. Working over 12 years in academia, she has developed an exceptional interdisciplinary research track record with a wide skill set in quantitative and qualitative methods and interdisciplinary synthesis.

Dr Röder is an experienced research group leader, supervising research staff and PhDs and a mentor and ambassador on equity, diversity and inclusion with a focus on STEM and early career development.

Her equality, diversity and inclusion (EDI) expertise includes leading on the successful Athena Swan Gold Award of the College for Engineering and Physical Sciences and supporting the Race Equality Charter activities of Aston University.

Areas of Expertise

Sustainability
Negative Emissions
Bioenergy and Bioeconomy
Climate Change
Bioenergy and Carbon Capture and Storage (BECCS)

Education

Humboldt-Universität zu Berlin

PhD

Agricultural Sciences / Agro-sociology

2008

Affiliations

  • WIREs Energy and Environment : Associate Editor, Bioenergy
  • Biomass and Bioenergy : Guest Editor, Special Issue

Media Appearances

EXPERT COMMENT: What is Bioenergy? And what role can it play in a low carbon future?

The University of Manchester  online

2017-11-16

As the UN’s annual climate change conference, COP23, reaches its climax, Dr Mirjam Roeder, from The University of Manchester's School of Mechanical, Aerospace & Civil Engineering and Tyndall Centre for Climate Change Research, outlines why bioenergy is a key renewable energy source for a carbon neutral feature.

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Rice growing produces tonnes of excess straw – can we turn it into ‘bioenergy’?

Aston University  online

2019-10-10

For every tonne of rice produced, about a tonne of straw is grown. Given 770m tonnes of rice are produced each year, that’s a lot of straw. Some of this straw is used as livestock bedding and fodder, in building materials, or ploughed back into the soil as fertiliser. But there’s much more straw than can be used and it’s labour and cost-intensive to remove it after harvest.

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Articles

Exploring temporal aspects of climate-change effects due to bioenergy

Biomass and Bioenergy

The greenhouse gas emissions associated with bioenergy are often temporally dispersed and can be a mixture of long-term forcers (such as carbon dioxide) and short-term forcers (such as methane). These factors affect the timing and magnitude of climate-change impacts associated with bioenergy in ways that cannot be clearly communicated with a single metric. This is critical as key comparisons that determine incentives and policy for bioenergy are based upon climate-change impacts expressed as carbon dioxide equivalent calculated with GWP100.

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Environmental trade-offs associated with bioenergy from agri-residues in sub-tropical regions: A case study of the Colombian coffee sector

Biomass and Bioenergy

The coffee sector generates vast amounts of residues along its value chain. Crop residues, like coffee stems, are burned in the field, used for domestic cooking or coffee drying in processing plants having significant environmental and health implication to rural communities. This research investigated the environmental impacts of replacing current practices with modern bioenergy applications in the Colombian coffee sector.

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(Stop) burning for biogas. Enabling positive sustainability trade-offs with business models for biogas from rice straw

Biomass and Bioenergy

Rice is the main agricultural crop in the Philippines and central to the country's food security. One main challenge of rice farming is the management of the straw after harvest. With limited uses, the rice straw is currently burned or in some cases incorporated with significant environmental impacts. However, it can be an important feedstock for sustainable bioenergy and support energy access in the Philippines. The research was conducted around a 1000 m3 biogas pilot plant in Laguna province, Philippines.

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