Table 1 Goals and results of the Green Gas subprojects and information on the interviewees
Subproject name and short description | Background interviewees |
|---|---|
New generation biogas digesters: optimizing all process parameters in biogas digestion for more biogas production, higher economic returns and reduced environmental impact. Comparing different thermal and chemical pre-treatment options for residual biomass streams. Modelling fluid dynamics in digester | aProject developer; HoSt (industry, NL) |
Researcher; Saxion University of Applied Sciences (NL) | |
Researcher; Münster University of Applied Sciences (GER) | |
Mechanical and enzymatic pre-treatment of organic residues: testing different mechanical and enzymatic pre-treatment options on various ligno-cellulosic substrates, focusing on biogas return, energy use and cost reduction | aResearcher; Münster University of Applied Sciences (GER) |
Director; DNL contact (industry, GER) | |
More divers resource use focussing on sugar beet: assessing possibilities to use sugar beets instead of maize in biogas installations | aProject coordinator; Centre of Competence 3N (industry, GER) |
Biogas collection as connection between green gas producers: analysing possibilities to connect biogas producers via a biogas net and centralized green gas production | aConsultant; Ekwadraat (industry, NL) |
Natural grass chain: improving biogas technology from pre-treatment to post-treatment to enable utilization of natural grass and roadside vegetation. Technological and economic analysis | aManaging director; Byosis group (industry, NL) |
Information exchange via potential map: plotting information relevant for biogas development (e.g. existing biogas installations, biomass potentials, energy demand) on an interactive, web-based map to enable more biogas projects in the future | aPublic servant; Province of Groningen (governmental organization; NL) |
Researcher; Münster University of Applied Sciences (GER) | |
Green Gas InNet: comparing different applications of biogas regarding, e.g. GHG emission reduction potential and technical and juridical conditions. Analysing possibilities to feed green gas into the natural gas net | aResearcher; Münster University of Applied Sciences (GER) |
Green Gas in spatial energy concepts: analysing possibilities for biogas in joint energy management in industrial areas | aResearcher; University of Oldenburg (GER) |
Assessment and management of Green Gas supply chains: technical benchmarking of biogas installations, identifying key levers for efficiency and environmental performance | aResearcher; University of Oldenburg (GER) |
Waste water treatment plants as part of Green Gas hubs: optimizing sludge digestion in combination with waste water treatment, looking e.g. at processing, energy use, pre-treatment options. Analysing alternative options of using existing sludge digesters, e.g. using other feedstock. | aResearcher; Saxion University of Applied Sciences (NL) |
Researcher; Saxion University of Applied Sciences (NL) | |
Cheap resources and Sabatier process: analysing possibilities to improve the overall business case for biogas and looking for better technologies to upgrade biogas to green gas. | aDirector; Hanze Welands (industry, NL) |
Biogenic methane production from hydrogen and German–Dutch database biogas research: analysing technical possibilities to realize biogenic methanization to create CH4 from CO2 and H2 as alternative for catalytic methanization. Developing an open source database for biogas literature in three languages | aResearcher; Münster University of Applied Sciences (GER) |
Decentralized energy landscapes Germany–the Netherlands: integrated assessment of the use of residual biomass for biogas production. Focusing on sustainability and feasibility assessment of complete biogas supply chains, integration in regional context and landscapes. Analysing potential of using various residual biomass streams in biogas digesters. Investigating the potential of applying public-private partnerships for the use of residual biomass for biogas production | aPersonal participation, Radboud University Nijmegen (NL) |
Researcher; University of Oldenburg (GER) | |
International trade of Green Gas via certificates: comparing policies for biogas and green gas in GER and NL and modelling possibilities of harmonizing international policies. Analysing possibilities of improving international trade of green gas via certificates, comparing existing certification schemes | aProject coordinator; JIN (industry, NL) |