Download CO2: A Valuable Source of Carbon by Marcello De De Falco, Gaetano Iaquaniello, Gabriele Centi PDF

By Marcello De De Falco, Gaetano Iaquaniello, Gabriele Centi

As the yearly construction of carbon Dioxide (CO2) reaches 30 billion tones, the turning out to be factor of the greenhouse impact has caused the improvement of applied sciences for CO2 sequestration, garage and use as a reactant. gathering jointly the experiences of the Congress at collage of Rome (Campus Bio-medico) held sixteenth April 2012, CO2: A helpful resource of Carbon offers and discusses promising applied sciences for the commercial exploitation of CO2.

Divided into components, the present expertise is evaluated and summarized ahead of eu and nationwide initiatives are offered. the focal point on CO2 restoration, rather in value-added creation, proposes appropriate how to increase sustainable practices or even to mitigate greenhouse fuel emission from large-scale fossil fuels usage.

Including present info and real-world examples, CO2: A worthy resource of carbon presents scholars, engineers, researchers and expert with up to date fabric and strength parts for improvement and examine.

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This contribution shows how the conversion of CO2 into feedstock for the chemical/process industry is the most efficient way to introduce renewable energy in this value chain and discusses the various options possible to proceed in this direction, in particular from the perspective of the state of the art of catalysis. 1 The Use of Renewable Energy in Chemical Processes The introduction of renewable energy in the chemical production chain is a major issue still not sufficiently addressed, given its critical role in final carbon and environmental footprint.

The hydrogen produced in these devices is then used for the catalytic conversion of CO2. It may be estimated that likely in a decade will be possible to produce renewable H2 at competitive costs by this route (less than 2–3 $/kg), making potentially attracting also to produce light olefins and other chemicals from CO2. The other possible approach is based on inverse (methanol) fuel cells. In a DMFC, methanol is converted to CO2 at the anode with production of protons and electrons which reduce oxygen to water at the cathode side.

There are two possible options. The first solution is to integrate the catalysts for water oxidation (to O2, protons and electrons) and H2 generation (using the protons and electrons generated in the other step) in a photovoltaic cell. There are already advanced studies in this direction (see Ref. [22] for more 22 G. Centi et al. Fig. 8 Indicative time line for the use of CO2 and renewable energy (RE) to increase resource and energy efficiency in chemical production chain. Reproduced with permission from Ref.

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