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  • Raw materials from wastewater - 21/12/2022 Steinhäule wastewater treatment plan near Ulm

    Wastewater treatment plants as biorefineries: the RoKKa project

    RoKKa, a joint project coordinated by the Fraunhofer IGB, is testing methods for recovering raw materials such as phosphorus and nitrogen compounds to produce fertiliser from municipal and industrial wastewater in a climate-neutral way. These new methods are being investigated under real conditions at wastewater treatment plants in the Ulm area with a view to developing them into sustainable biorefineries.

    https://www.biooekonomie-bw.de/en/articles/news/wastewater-treatment-plants-biorefineries-rokka-project
  • Press release - 02/03/2022

    Biorefinery project KoalAplan is extracting raw materials from wastewater

    The Ministry of the Environment, Climate Protection and the Energy Sector is funding the KoalAplan project, which extends the functional scope of a wastewater treatment plant. The project, based in the Stuttgart district of Büsnau, aims at recovering raw materials from wastewater and is therefore making a positive contribution to climate neutrality, as the products obtained replace fossil raw materials and energy-intensive processes.

    https://www.biooekonomie-bw.de/en/articles/pm/biorefinery-project-koalaplan-extracting-raw-materials-wastewater
  • Press release - 02/03/2022

    Pilot project RoKKa uses wastewater to produce fertiliser and raw materials

    The Ministry for the Environment, Climate Protection and the Energy Sector is funding the new research project RoKKa which is used to prove the viability of recovering raw materials from wastewater. This adds a crucial function to the scope of a conventional sewage treatment plant. Together with the operators of the sewage treatment plants in Erbach and Neu-Ulm, the project partners demonstrate the positive contribution towards climate protection…

    https://www.biooekonomie-bw.de/en/articles/pm/die-klaeranlage-der-zukunft-heisst-bioraffinerie
  • Press release - 07/07/2021

    Treasure Hunt in Sewage Sludge

    The European Union is largely dependent on imports of white phosphorus (P4), a strategic raw material for the food and pharmaceutical industries. To tackle this challenge, the newly started four-year EU-funded project FlashPhos – led by the University of Stuttgart – will recover at a large scale high-quality white phosphorus and other raw materials using sewage sludge as input material.

    https://www.biooekonomie-bw.de/en/articles/pm/schatzsuche-im-klaerschlamm
  • Showcase Bioeconomy - 22/06/2021

    Advanced biofuel breakthrough: HyFlexFuel converted sewage sludge and other biomasses into kerosene by hydrothermal liquefaction (HTL)

    The EU funded research project HyFlexFuel recently succeeded to produce biocrudes via hydrothermal liquefaction (HTL) from a variety of biomasses, including sewage sludge, food waste, manure, wheat straw, corn stover, pine sawdust, miscanthus and microalgae in a pilot-scale continuous HTL plant at Aarhus University (Denmark).

    https://www.biooekonomie-bw.de/en/articles/pm/advanced-biofuel-breakthrough-hyflexfuel-converted-sewage-sludge-and-other-biomasses-kerosene-hydrothermal-liquefaction-htl
  • Press release - 07/06/2021

    For which plastic products is biodegradation a viable end-of-life option?

    The final report including comprehensive fact sheets of 25 applications is now available online in German and English.

    https://www.biooekonomie-bw.de/en/articles/pm/which-plastic-products-biodegradation-viable-end-life-option
  • Press release - 23/04/2021

    For which plastic products is biodegradation a viable endof- life option?

    The BioSinn project found products and applications for which biodegradation at the end-of-life is a real option. 25 fact sheets answer technical and regulatory questions for each application. The market volume of these applications was also estimated: in Germany it is about 170,000 tonnes, in the European Union about 1 million tonnes per year!

    https://www.biooekonomie-bw.de/en/articles/pm/bei-welchen-kunststoffprodukten-ist-der-biologische-abbau-eine-sinnvolle-end-life-option
  • Press release - 26/01/2021

    Report on the Mapping of Biomass Value Chains for Improved Sustainable Energy use in the Baltic Sea Region Countries Published

    The University of Warmia and Mazury in Olsztyn, Polish partner of the BalticBiomass4Value project, published a report which maps biomass value chains for improved sustainable energy use in the Baltic Sea Region countries. The research focuses on the 9 Baltic Sea Region (BSR) countries: Denmark, Germany, Estonia, Finland, Latvia, Lithuania, Poland, Sweden, and Norway.

    https://www.biooekonomie-bw.de/en/articles/pm/report-mapping-biomass-value-chains-improved-sustainable-energy-use-baltic-sea-region-countries-published
  • Press release - 21/12/2020

    How Do We Want to Run Our Economy and Production?

    The wastewater treatment plant is turned into a vegetable farm, bio-based substances recovered from waste are being utilized to prevent oxidative spoilage in food packaging or provide environmentally-friendly and safe water-repellent coatings on functional textiles. In the EVOBIO project coordinated by Fraunhofer IGB, 19 Fraunhofer Institutes are working on solutions for a sustainable economy.

    https://www.biooekonomie-bw.de/en/articles/pm/How-Do-We-Want-to-Run-Our-Economy-and-Production
  • Phosphorus recovery from sewage sludge - 21/10/2020 teaser_1.jpg

    Bacteria help to recycle phosphorus

    Biotechnology for the bioeconomy: in something known as the P-bac process, sulphur bacteria extract phosphorus from sewage sludge ash. Phosphorus is one of the key building blocks of life and an essential nutrient for plant growth. When there is not enough phosphorus in the soil, farmers apply it via organic or mineral fertilisers.

    https://www.biooekonomie-bw.de/en/articles/news/bacteria-help-recycle-phosphorus
  • Dossier - 28/04/2020 Silphie_Edmund_Hochmuth_Pixabay.jpg

    Sustainable bioenergy

    Biomass from forestry and agriculture along with residues from industry and households can contribute to our energy and raw material shift. Sustainable, regenerative biomass-based energy can become part of the energy mix of the future within the framework of a bioeconomy.

    https://www.biooekonomie-bw.de/en/articles/news/Sustainable-bioenergy
  • Article - 29/10/2018 IBBK_Internationale_Schulung.png

    The International Biogas and Bioenergy Competence Centre (IBBK) and its role in Baden-Württemberg’s bioeconomy

    The number of biogas plants in Germany has increased almost tenfold since the start of the new millennium1. IBBK Fachgruppe Biogas GmbH, founded in 2000, has helped shape this development through training, consulting services and projects. Since 2015, the company has also been working on behalf of the Baden-Württemberg government to advise operators of existing and planned biogas facilities.

    https://www.biooekonomie-bw.de/en/articles/news/the-international-biogas-and-bioenergy-competence-centre-ibbk-and-its-role-in-baden-wuerttembergs-bioeconomy
  • Article - 25/01/2018 Ö-Klo toilet cabins standing in a row.

    Ö-Klo: recovering valuable materials by composting toilets

    The Freiburg-based start-up company Ö-Klo leases composting toilets and is committed to the recovery of human urine and faeces. The young Ö-Klo entrepreneurs believe that reviving natural material cycles of soil, plants, food and excreta is crucial in times when natural resources such as phosphorus are dwindling.

    https://www.biooekonomie-bw.de/en/articles/news/oe-klo-recovering-valuable-materials-by-composting-toilets
  • Article - 17/07/2017 Photo of Dr. Frank Graf

    Efficient production of fuel from biogenic residues

    Natural gas is a more climate friendly fuel than raw materials such as coal and petroleum. Nevertheless it is also a fossil fuel that generates anthropogenic CO2 emissions. In a collaborative project at the Karlsruhe Institute of Technology, scientists and engineers are concentrating on finding out how biogenic residues and waste materials such as wood, sewage sludge and biomass mixtures can be turned into alternative gaseous fuels.

    https://www.biooekonomie-bw.de/en/articles/news/efficient-production-of-fuel-from-biogenic-residues
  • Article - 01/02/2016 Flow diagram of the P-RoC method for recovering phosphate from wastewater by means of crystallisation.

    Phosphorus recycling – valuable materials from sewage plants

    Modern agriculture relies on phosphorus in the form of chemical fertilisers to provide plants with vital nutrients. However, huge amounts of this valuable raw material end up in our sewage plants. Two new methods to recover phosphorus from wastewater could potentially contribute to the sustainable use of phosphorus in the not-too-distant future.

    https://www.biooekonomie-bw.de/en/articles/news/phosphor-recycling-wertstoffe-aus-der-klaeranlage
  • Article - 13/07/2015 Dr. Almut Gerhardt (on the right) and her colleague Nadja Rastetter (on the left) with project coordinator Dr. Christian Krabbe (centre).

    Recovering phosphorus from sewage sludge

    The chemical element phosphorus, which is mainly used as a fertiliser in agriculture, is a key building block for all life forms. Phosphorus cannot be substituted by other elements or produced synthetically. In addition, it is scarce on Earth and the majority of phosphate rock preserves are located in just a handful of countries. A European-wide research project on phosphorus recycling now presents ways of producing the precious raw material from…

    https://www.biooekonomie-bw.de/en/articles/news/recovering-phosphorus-from-sewage-sludge
  • Article - 03/12/2012 18763_de.jpg

    Early pollutant warning system for sewage plants

    Technologies that can help identify pollutants in the wastewater treated in sewage plants are urgently needed. LimCo International GmbH might have a solution. The Konstanz-based company has developed a fully-automated early warning system for monitoring the quality of water and sediment in sewage plants and waterworks.

    https://www.biooekonomie-bw.de/en/articles/news/early-pollutant-warning-system-for-sewage-plants
  • Press release - 03/08/2012 17847_de.jpg

    Using wastewater as fertilizer

    Sewage sludge, wastewater and liquid manure are valuable sources of fertilizer for food production. Fraunhofer researchers have now developed a chemical-free, eco-friendly process that enables the recovered salts to be converted directly into organic food for crop plants.

    https://www.biooekonomie-bw.de/en/articles/pm/using-wastewater-as-fertilizer
  • Article - 07/05/2012 17034_de.jpg

    Wastewater is not just boring old waste – it is an alternative source of energy

    In view of the changing climate and the finiteness of fossil resources, research into renewable energies is gaining in importance. One of the things that researchers have been looking into for quite some time is different possibilities to use organic wastewater compounds as sustainable energy sources. Carsten Meyer from the University of Stuttgart works on the generation of alternative energy sources. Together with his team of researchers, Meyer…

    https://www.biooekonomie-bw.de/en/articles/news/wastewater-is-not-just-boring-old-waste-it-is-an-alternative-source-of-energy
  • Press release - 01/08/2011 The picture shows two asian employees of the Siemens company in lab coats. The one in the front is looking at a sample of water in a flask taken from a hopper.

    Water purification unit generates its own energy

    A new biological water purification facility developed by Siemens generates enough methane gas to power its own operations. It also produces much less sludge than conventional systems.

    https://www.biooekonomie-bw.de/en/articles/pm/water-purification-unit-generates-its-own-energy
  • Press release - 21/01/2010 The photo shows supermarket waste such as salad, fruit and vegetables.<br />

    Driving cars with biogas produced from biological waste

    The ETAMAX research project brings together partners from research, the energy sector and industry and is aimed at using a combined, modular process to produce biogas from low-lignocellulosic waste such as supermarket waste and micro-algal biomass, at the same time as closing all substance cycles. The regenerative biomethane will be used to fuel a small fleet of gas-driven vehicles.

    https://www.biooekonomie-bw.de/en/articles/pm/driving-cars-with-biogas-produced-from-biological-waste
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