Air Liquide Biogas Market

GLOBAL MARKETS& TECHNOLOGIES∙

Aug 1, 2017Lauren Turner & Mike Mitariten

Air Liquide Membranes & Biogas Upgrading •

THIS DOCUMENT IS CONFIDENTIAL AIR LIQUIDE, THE WORLD LEADER IN GASES, TECHNOLOGIES AND SERVICES FOR INDUSTRY AND HEALTH I

GLOBAL MARKETS& TECHNOLOGIES

May 21, 2018Michael Mitariten & Thomas Kappelmeier

THIS DOCUMENT IS CONFIDENTIAL

Air Liquide Biogas MarketandTechnology





Air Liquide Membrane Technology for Biogas

2

Permeate to Flare

1 psig

CO2, H2S, O2, H2O

Lost CH4

200 psig

CH4 = 50-65%

CO2 = 30-40%

H2S, O2, N2, H2O

CO2, H2S

H2O CH4

Confidential

Sales Gas

150 psig

CH4=97+%

CO2<2%

O2<0.2%

H2S=4 ppm

I AIR LIQUIDE, THE WORLD LEADER IN GASES, TECHNOLOGIES AND SERVICES FOR INDUSTRY AND HEALTH

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Traditional BioGaz™

●Application:

– Landfill gas for larger flows

– 96-97% Recovery

– HRM gets 99% recovery

– Expanded scope

● “Small Scale Skid”

– Landfill gas for smaller

– Highly packaged


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MicroBiogas™

●Application:

– Digesters with low VOCs

– <800 SCFM (1300 SCFM)

– Basic design 95% recovery

– Ability to remove high levels of H2S

●Scope

– Compressor , membrane skid, H2S scavenger

●Market

– High interest for range of small digesters

– Low cost system with simple operation





Missouri Digester Project

● Hog farm → covered lagoons

● 400 SCFM raw biogas production

● Air Liquide’s MicroBiogaz membrane system

● Lowest cost / simple operation

● RNG used in CNG transportation market

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MicroBiogas™


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MicroBiogas™ with High Recovery Module

●Application:

– Digesters with low VOCs

– To vent tail gas H2S pre-removed

– HRM = 99% recovery

●Scope

– Compressor , membrane skid, scavenger vessel

– High recovery module

●Market

– High interest for range of small digesters

– Low cost system with simple operation

– USA patent application filed





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Point Loma WWTP, Biogas to Fuel Cell Power (~2012)

Sales Gas

Source: SCS

■ BioFuels Energy owner■ Biogas to SDG&E Pipeline (Rule 30)■ 3 Fuel Cell Energy Fuel Cells

2 via pipeline Biomethane 1 on-site direct feed

■ Gas processing by Air Liquide■Total plant built and operated by SCS

Air Liquide Biogas Market

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