The development of the bio-fuels industry is a strategic objective set by the Kyoto Protocol. The target imposed by the European Union requires that 10% of biofuels be of biological origin by 2020.
The development of the biofuels industry is a strategic goal and a real opportunity for the technological development in the Italian territory. Biofuels can provide a real solution to GHG reduction, and can reduce the Italian dependence from imported fossil fuels. Bioethanol, in particular, is the most common worldwide biofuel. The second-generation technology allows the production of bioethanol from lignocellulosic biomass avoiding the use of crops for food and reducing GHG emissions. It’s is our Technology for the production of bioethanol from lignocellulosic biomass (second generation bioethanol).
In this scenario, M&G since 2007 has invested over 200M$ in research and development of a sustainable, scalable and simplified technology for the transformation of virtually any kind of lignocellulosic feedstock into low-cost, fermentable sugars for the production of bioethanol or biochemicals and it’s now technology excellence to convert biomass into sugars.
Is a holistic solution that starts in the field and end with bioproducts and is a complex undertaking requiring integration of different sciences ranging from biochemistry and biotechnology, to agronomy and botany, from engineering to chemistry, from technology development to process modeling and from biomass supply chain logistic to product take off. This technology process is based on four main steps: pre-treatment, hydrolysis, fermentation and distillation.
The first step is an energy efficient pretreatment process carried out without chemical addition but using only water and vapor. Research and development activities are constantly working on the improvements of enzymatic hydrolysis as well its influence on fermentation step condition. At present some important achievements have been reached especially for what concerns reactor design and scale-up at pilot level and best enzyme package. Efficient enzyme cocktail have a key role for feasible bioethanol production from lignocellulosic material. Fermentation of sugar to ethanol is a well know process, but improvement of flexible process of fermentation were focused on adapting the process to the strain rather than developing a new strain in biological process. After final distillation step was obtained a “green bioethanol” that respect the standards for fuel. On the energy side the plant has been designed as an energy efficient process through optimization of steam consumption, energy–integrated process steps and above all the possibility to produce steam and electricity from by-product. This aim was achieved thanks to research activities on process development and optimization of adopted technology.
This process is flexible in feedstock supply, innovative in technological solutions and energy-integrated.
The Technology has been demonstrated on a continuous, 1 T/day pilot plant since June 2009, and is now being brought to full scale thanks to the construction of a 40’000 ton/yr industrial plant.
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