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Thread: e-Fuels Technology

  1. #1
    Join Date
    Jul 2018
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    e-Fuels Technology

    “Like all Audi e-fuels, the new fuel has many advantages. It isn’t dependent on crude oil, it is compatible with the existing infrastructure and it offers the prospect of a closed carbon cycle,” said Reiner Mangold, head of sustainable product development at Audi AG.

    Audi e-benzin is essentially a liquid isooctane. It is currently produced from biomass in a two-step process: in the first step, Global Bioenergies produces gaseous isobutene (C4H8) in a demonstration plant; in the second step, the Fraunhofer Center for Chemical Biotechnological Processes (CBP) in Leuna, Lower Saxony, Germany, uses additional hydrogen to transform it into isooctane (C8H18). The fuel is free of sulfur and benzene and is therefore especially low in pollutants when it burns.

    Over the medium term, the project partners aim to modify the production process so that it will not require biomass – in this case, CO₂ and hydrogen produced from renewable sources should be sufficient source materials.

    Over the medium term, the project partners aim to modify the production process so that it will not require biomass – in this case, CO₂ and hydrogen produced from renewable sources should be sufficient source materials.

    https://www.audi-mediacenter.com/en/...ng-tested-9912

  2. #2
    Join Date
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    Location
    Brazil
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    49
    This process was first published in my country with the tag of the synthesis of gasoline through H2O and CO2 present in the atmosphere, reducing the carbon emittions. An analogue process to obtain the well known hydrocarbon in a quantic state are in researching, by the reaction between the solution of hydrocloridric acid, sodium acetate and water/hydronium with CMC (carboxymethyl cellulose). A similar process with CMC is currently known to obtain methane. The complexity of the process is the reason of the dificulty to stabilish molarities in the reactions. Other hydrocarbon not until study before is obtained by the reaction of the solution with hydronium, the (C14H21). After the isolation of the hydrocarbon these combustibles must be refined by nitric acid or filtered in shell sands.

    The combustion is performed by a special chemical engine, both combustibles are oil free and does not do any emittions of carbon oxydes, just water vapour and ozone/oxonium.

    1st step

    HCl+C2H3NaO2 + H2O --> products
    HCl+C2H3NaO2 + H3O --> products

    2nd step

    Products + C6H8O2 (sorbic acid) --> C8H18 + ...
    Products + CH2CO2H (CMC) --> C14H21 + ...


    "Clean vehicles could reach the ozone layer without any emittions of polutants or impurities, just maitaining it composition".
    Last edited by Esche; 07-30-2018 at 11:12 PM.

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