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INNOVATION & TECHNOLOGY

 
Research Center in Milazzo

Hydrogen for Fuel Upgrading

The drive towards total barrel conversion  and the growing demand for high quality fuels   are urging the use of refining technologies that require large amounts of hydrogen.
Hydrogen is essential in the hydro-treatment processes used in refinery for the production of high quality fuels with low environmental impact (e.g. desulfurization and intense dearomatization) and for the conversion of heavy crude oil and by-products into middle distillates.
In the medium term, it is necessary to reduce the cost of hydrogen production starting from hydrocarbons, which are currently the only source that can satisfy hydrogen demand as far as quantities and cost are concerned.
In the long term, the objective is to develop technologies that can produce hydrogen using energy derived from renewable sources, especially solar energy, in an economical and environmentally sustainable way.
The availability of hydrogen is crucial in the evermore numerous projects involving the exploitation of oil sands. In Canada, for instance, new gasifiers are being built in order to produce the hydrogen needed to exploit synthetic crude oil.

 

  • HYDROGEN PRODUCTIONHYDROGEN PRODUCTION
  • MultiEnergy Fuel Station MultiEnergy Fuel Station

Eni has developed a proprietary technology SCT – CPO (Short Contact Time – Catalytic Partial Oxidation) to transform gaseous and liquid hydrocarbons (e.g. natural gas, GPL, fuel gas) in syngas (CO e H2), by using reactors three times smaller than the ones currently in use.
The development of this technology using gaseous reagents and air/air enriched with O2 has been completed and is currently in marketing, while it is being finalized the one with pure O2. The technology using liquid reagents has yet to reach the pilot phase.
The main goal is to have access to economic and easy to use processes, allowing the H2 production for oil refining and oil upgrading with flexibility, with respect to the charge composition and the productive capacity of the plant.
The adopted technological solutions (mixers, reactors, catalysts, heat exchange systems) have been tested for more than 30,000 hours in different bench-scale plants in the Oil & Gas Research Center in San Donato Milanese (MI).
This technology is presently being tested on a 200 Nm3/h demo plant running on light hydrocarbons and oxygen at the Research Center in Milazzo.
A small-scale demonstration unit was built in 2008 as part of a multi-fuel station.
Besides the experiments conceptual studies and modeling of reaction / reactor were carried out and 14 patent applications were filed.

 

MultiEnergy Fuel Station MultiEnergy Agip fuel stations are at the forefront worldwide: they use new forms of energy in an innovative way to better respect the environment and the quality of life.
The Mantua installation was made within the European Zero Regio Project, which aims to develop in Lombardy and Germany integrated systems for sustainable mobility through the use of hydrogen multifuel service stations to power vehicles with zero emissions.
In the station, hydrogen is produced by a natural gas-fueled reformer (20 m3/ h), based on the SCT-CPO technology. This technology uses a high temperature catalytic process with a premixed flow of steam and natural gas, converted into hydrogen through different stages. The plant started in 2008.
To further reduce CO2 emissions, the stations in Mantua and Frankfurt are also considered Green Petrol Station, being equipped with solar photovoltaic (8 and 20 kWp respectively), capable of generating electricity from renewable sources equal to about 30,000 kWh/yr , corresponding to a reduction of about 16 tons/yr of CO2 emissions.
For the fossil fuel part, the multiEnergy station is an innovative modular concept, which integrates the supply of hydrogen with liquid and gaseous conventional fuels, including biofuels, contributing to the development of new generation vehicles with low / zero emissions.
For energy saving, in the short term the multiEnergy station will become a green platform to experiment green building, green architecture, low-impact recycled materials, electrical, thermal and cooling solutions, more efficient lighting, etc. in order to reduce energy consumption in terms of kWh/m2/yr.




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Last updated on 09/11/09