Thermochemically

Thermochemical processes can be subdivided into gasification and  pyrolysis.

Show Biomass Gasification plant and explain the reaction routes (Steam Gasification of biomass and super critical water gasification of biomass) and why pyrolysis even though thermochemical is less used.

 

Describe other bio-H2 production routes e.g. from biotechnological biohydrogen prodcution

Biotechnological biohydrogen production processes  using suitable microorganisms in adequate  production facilities can  be divided into three  main categories: biophotolysis, photofermentation, and dark  fermentation.