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etogas GmbH

Industriestraße 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 γ-Anlage >60 % (>80% incl. heat )

Electricity

11.7

%

26.7%

LT heat

electrolyzer

T < 100°C

HT heat platereactor,

T>300°C

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

Audi´s 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, 6MWel

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

ramping-up the world’s 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


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

,biogas plant on the right, 330 Nm³/h of CO2

Quelle: EWE Netz


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

electricity dyamically, intermittently


-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


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


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

Customer’s Gas-to-solid production process

vs.

CVI1) reactorLNG

tank

87 Nm3/h

30% H2

70% CH4

CVI1) reactorCH4

100 Nm3/h

ETOGAS

Hydrogen-to-SNG

plant

7 Nm3/h CO2

100 Nm3/h

30% H2

70% 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


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 World’s 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

[email protected]

0711-229645 50

mailto:[email protected]