B2BUT is a portfolio of Decision Support Tools (DST), especially developed in the framework of the HYVOLUTION Integrated Project, and aiming to provide a set of critical services to their users, in a user-friendly format, particularly to the support of

• Selection of the most appropriate bio-feedstock(s) for the fermentative production of hydrogen from biomass by the HYVOLUTION technology, based on key feasibility and sustainability criteria (technical, economic, environmental and social); and

1. MAPPING BIOMASS POTENTIAL: A detailed database of all possible forms of biomass available in the 27 Member States of the EU, and expressed both in biomass/bioenergy (Mt/year) and biohydrogen (kt/year) units. A tabular form is employed, where bio-feedstocks are classified according to their type of fermentable carbohydrates.
2. BIOCHEMICAL EVALUATION OF FEEDSTOCKS: A set of experimental techniques and protocols especially designed in order first to determine the chemical composition of a wide spectrum of biomass types, including energy crops, residues and other side streams, and then to assess their fermentability as biohydrogen feedstocks.
3. BIOMASS TECHNICAL SUITABILITY MAPPING: A Decision Support Tool servicing the comparative technological evaluation of various possible feedstocks according to a small number of critical technical parameters, which can be combined in the form of an aggregate Biomass Technical Suitability Index (BTSI).
4. BIOMASS COST MAPPING: A Decision Support Tool servicing the comparative economic evaluation of various possible feedstocks according to a small number of critical system and process parameters, which can be also combined in the form of an aggregate Biomass Cost Index (BCI).
5. BIOMASS SUSTAINABILITY MAPPING: A Decision Support Tool servicing the comparative environmental and socio-economic evaluation of various possible feedstocks according to a small number of critical system and other parameters, which can be also combined in the form of an aggregate Biomass Sustainability Index (BSI).
6. BIOMASS SELECTION METHODOLOGY: A composite Decision Support Tool consisting in the efficient combination of the above listed independent tools (1 - 5), in order to rank potential feedstocks according to the critical parameters associated with each tool, and thus support decisions in the form of short lists and best candidates.