ETOGAS GmbH Stephan Rieke CO2 reutilization in industrial ... GmbH –Stephan Rieke: CO2 reutilization in industrial projects ... Substitute Natural Gas (SNG) 100% Electricity CO 2-compression 98.9% 1.1% Quelle: etogas

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  • etogas GmbH

    Industriestrae 6, D-70565 Stuttgart

    Regatec 2015

    ETOGAS GmbH Stephan Rieke:CO2 reutilization in industrial projects state of art and realization of concrete projects for the production of renewable methane and solid products based on CO2

    EMRS SPRING MEETING 2015 Lille: 11.5.2015

  • ETOGAS GmbH

    -2-dechema_2015.pptx

    ETOGAS designs and builds multi-megawatt Power-to-Gas (PtG) turn-key systems

    based on its proprietary technology portfolioOur Power-to-Gas cube

    Source: ETOGAS

    Electrolysis Methanation(optional)

    Renewable

    hydrogen

    Renewable

    SNG (optional)

    Renewable

    electricity

    Heat

    Electricity

    gridGas

    grid

    CO2

  • -3-

    Gas to electricity conversion of the -Anlage >60 % (>80% incl. heat )

    Electricity

    11.7

    %

    26.7%

    LT heat

    electrolyzer

    T < 100C

    HT heat platereactor,

    T>300C

    61,6%

    Substitute Natural

    Gas

    (SNG)

    100%

    Electricity

    CO2-compression

    98.9%

    1.1%

    Quelle: etogas

    Conversion rate with CO2 from raw biogas/ sewage gas

    Distribution of pre and post methanation level, Vol. %

    CH4- rich product-Gas (SNG)Feed-Gas

    CO2

    20.5

    H2

    79.5

    CH4

    95,1

    CO2

    2,9

    H2

    2,0

    Synthesis reaction

    Volume reduction 5:1

  • -4-

    Pipeline of PtG projects: From demo plant to industrialized realization

    Different feed gases were applied: pure CO2, raw bogas, synthesis mixes; excess H2 or sewagegas

    Werlte

    Stuttgart

    2009 Alpha-AnlageMorbach

    Beta-plant

    Quelle: etogas RAG

    2013

    Hersfeld

    2009

    CO2 air scrubbing/PtG

    Moorbach 2011/

    IWES 2012 raw biogas

    250 kW, ZSW 2012

    2014 CCU CO2/H2 2015 RAG H2 generationHalblechSeven

    Fields

  • 5Seite

    CO2

    CH4

    Audi g-tronCH4

    Power-to-gas:

    Linking of the electricity and mobility sector by Audi e-gas plant

    Function of the Audi e-gas Project

    electricity

    Electrolysis

    H2

    Methanation

    Gas power station

    Gas grid:

    CH4 = natural

    gas for

    heating,

    mobility,

    power

    generation

    CH4 = e-gas

    Strom

    Audis first plant:

    CO2 from residues based biogas plant

    CO2

    CO2 + CH4

    Gas-injection

    CH4 = Biomethan

  • ETOGAS GmbH 03.06.2015

    -6-

    A dozen plants running, producing H2 or CH4

    Sources: dena, AUDI

    AUDI, 6MWelWerlte, Lower Saxony, Germany:

    Production of CH4 for A3 g-tron

    A dozen more plants currently planned across EU

    (France, Netherlands, Belgium, Switzerland !!!!).

    Electrofuels / Power-to-Gas:

    A proven technology with air CO2, rawbioas direct methanation, excess H2

  • ETOGAS GmbH 03.06.2015

    -7-dechema_2015.pptx

    ETOGAS acted as turnkey supplier in charge of designing, installing and

    ramping-up the worlds so far largest industrial Power-to-SNG projectAudi renewable fuel e-gas plant in Werlte, Germany (6.3MWel); operational since 2013

    Electrolyzer hall One of three 2MWel electrolyzers

    Methanation reactor

    Source: ETOGAS, AUDI

  • ETOGAS GmbH 03.06.2015

    Power-to-Gas: Audi e-gas plant in Werlte (Germany)

    ,biogas plant on the right, 330 Nm/h of CO2

    Quelle: EWE Netz

  • ETOGAS GmbH 03.06.2015

    Power purchase mode: The e-gas plant follows the epx price for

    electricity dyamically, intermittently

  • ETOGAS GmbH 03.06.2015

    -10-

    The Audi e-gas plant was designed and build by ETOGAS and demonstrates

    that alkaline electrolyzer technology can follow dynamic loads Example of measured power data: 6 MW PtG-Anlage in Werlte with dynamic load

    Source: ETOGAS

    load: electrical input power

    e-gas output power (basis: lower heating value)

    CH4 concentration in e-gas

    time

  • -11-

    Design of a plate methanation reformer fixed bed reactor systemPlate reactor: rigid behavior, simple steam cooling design to prevent hot spots, cost reductionpotential, commercialized catalysts with high methane yield available

    Quelle: etogas

  • ETOGAS GmbH 03.06.2015

    Quelle: ZSW

    Different types of methanation fixed bed processes were investigated ( plate versus tubular design)

    PtG 250 plant at the ZSW facility with methanation systems (BMU Project)

  • ETOGAS GmbH

    -13-dechema_2015.pptx

    Hydrogen-to-SNG turnkey plants can be used to upgrade low-caloric waste gases: First

    plant was successfully commissioned at a manufacturer of carbon componentsExample: Proprietary methanation technology by ETOGAS used in gas-to-solid production process

    1) CVI: Chemical Vapour Infiltration

    Source: ETOGAS

    with ETOGAS technology: Loopwithout ETOGAS technology: Vent

    Customers Gas-to-solid production process

    vs.

    CVI1) reactorLNG

    tank

    87 Nm3/h

    30% H270% CH4

    CVI1) reactorCH4

    100 Nm3/h

    ETOGAS

    Hydrogen-to-SNG

    plant

    7 Nm3/h CO2

    100 Nm3/h

    30% H270% CH4

    10 Nm3/h

    LNG

    tank

    77 Nm3/h

    > 95% CH4

    Vent

    carbon parts carbon parts

    Utilize:

  • -14-

    CO2 as a feed gas for material production processes:

    realized plant with plate reformer design for carbon brake production

    Source: CVT, Etogas

  • ETOGAS GmbH

    dechema_2015.pptx -15-

    Operation mode of direct linking of PV power generator with alkaline electrolyzers was

    successfully demonstrated 1987 2003 in different power ranges

    The solar-PV hydrogen generating plant 1987 HYSOLAR Lab DLR with alkaline electrolyzer systems and ETG base 2014

    Hysolar building in 1987, Stutgart New stack design from ETG, 9.2014

    Quelle: etogas, ZSW, DLR, Metkon Alyzer

  • Dynamical, intermittent operation of PV linked alkaline electrolyzersoperation (Hysolar) are the base for actual developmentHysolar Projekt: D, Saudi Arabien, 1987 2003, Elektrolyseurleistungen von bis zu 350 kW

    Quelle: ZSW

  • ETOGAS GmbH 03.06.2015Confidential

    -17-dechema_2015.pptx

    In 2014, ETOGAS launched its proprietay Power-to-Hydrogen technology and has

    won leading gas storage operator RAG as a reference customerTest phase of proprietary electrolyzer (alkaline pressurized) successfully completed

    Source: ETOGAS

    0.6 MWel alkaline pressurized electrolyzer system Worlds largest active area per cell

    (6,000 cm2)

    Turnkey plant for reference projectElectrolyzer short stack

  • 3 D of a new ptg design for direct methanation of raw biogas with highpressure alkaline electrolyzer, plate reformer for methanationTurn key plant as container design on an area of 30 x 30 m

    Quelle: etogas

  • -19-

    Let the fossils rest in peace (Triebel)

    Kontakt:

    etogas GmbH

    Stephan Rieke

    stephan.rieke@etogas.com

    0711-229645 50

    mailto:stephan.rieke@etogas.com