Valorization of Biogas through Liquefaction of bio … Asia Day 2 PDF/Day 0… · 6 00/00/2012 Doc...

Air Liquide, 3rd of June, 2014 l PIERRE ROUX – NEW ENERGIES PRODUCT & ENGINEERING MANAGER

Valorization of Biogas through

Liquefaction of bio-methane

2 Air Liquide, world leader in gases for industry, health and the environment

Biogas Biomethane Liquid Biomethane

■ Air Liquide technology portflolio in the biogas field

■ A large experience with more than 31 references

Worldwide

■ Biomethane production from landfills and

anaerobic digesters

■ Biomethane liquefaction

■ Economics

Air Liquide is an expert in industrial gases

including biogas upgrading and biomethane liquefaction

3rd of June, 2014 PIERRE ROUX


全球领先的工业、健康和环保气体供应商

50,000 employees 员工

2012销售额

Revenue

€15.4 billion

Present in 分布于

80 countries 国家



Unique expertise and skills 独特的专业知识和技术

Separating the components of the

air

to take advantage of their

properties

分离

空气

中的成分并利用它们的属性

Producing molecules from

natural resources

of the Planet

从地球的

自然资源

中生产气体

Oxygen 氧气

Argon 氩气 & rare gases 稀有气体

Hydrogen 氢气

Silane 硅烷

… …

Nitrogen 氮气

Air Liquide Technologies 液空的技术

Helium 氦气

Carbon monoxide 一氧化碳

Acetylene 乙炔



■ Air Liquide technology portflolio in the BG field


Worldwide


anaerobic digesters


■ Economics




6 Air Liquide, world leader in gases for industry, health and the environment 00/00/2012 Doc title

From Waste to biofuel and industrial gases solutions

Landfill

WWTP

On farm AD

Cleaning / Upgrading

Liquefaction

CH4 Reformers

Gas grid

Industrial customers

Bio-CH4

Clean mobility

Bio-H2

Biogas

LBG transport

Chemical industry

Bio-CO, Bio-H2, Bio-CH4

BioCH4

BioH2

100,000 Nm3/h of RBG upgrading capacity

10 years experience



■ A large experience with more than 31

references Worldwide


anaerobic digesters


■ Economics





31 references / 10 years experience Worldwide in BG business

Lidköpking Sweden

800 Nm3/h - 2012

Biomethane Liquefaction

- CNG for cars

- LNG for heavy trucks

18 Biogas upgrading units in the US

2 ,350 to 20,000 Nm3/h – from 2006

Landfill to Grid

3 units in France

100/300 Nm3/h – 2012/2013

MSW to CBG cars & Grid

Germany & Austria

250/ 500/ 1,500 Nm3/h

3 units to grid


Futurebiogas UK

900 Nm3/h – 2013-2014

Energy crops

4 units to Grid

Beijing, China

Helee Bio Energy

700Nm3/h CBG, 2012, refuelling station




worldwide


anaerobic digesters


■ Economics





Jacoby Energy, Live Oak LF, Atlanta, GA


8,260 Nm3/h Landfill biogas upgrading to grid

Operated by Air Liquide since 2009

>98% availability effective rate


Timberline Energy, Oklahoma City, US

2,360 Nm3/h Landfill biogas upgrading to grid in operation since 2008


Patented PSA combined with membrane upgrading

Removes VOCs and Siloxanes from Landfills and Waste Water

Biomethane cleaner than Natural Gas !


ESG, Iris Glen LF, Johnson City, TN, US


This unit works continuously

No membrane change since 2006

AL has a large return on experiences


Doncaster plant, UK

900 Nm3/h Anaerobic Digester (energy crops)

Biogas upgrading to biomethane in operation since 2013


2014: Three new plants with 99,5% recovery rate

99% [CH4] to limit Propane blending


Standard BG Purifier range 100-1,500 Nm3/h


Local touch panel

Impurities

Removal Sys.

Low maintenance

No civil works

More than 70% of the electricity to AD @ 80°C

Electrical & control room

Ethernet + Smartphone

High recovery Membranes

Less than 0,5% CH4 slip

0,18 to 0,24 kWh/Nm3 RBG

15 Air Liquide, world leader in gases for industry, health and the environment 3rd of June, 2014 PIERRE ROUX

Do not forget : if plant is down, revenue = ZERO!




Worldwide


anaerobic digesters


■ Economics





Why Liquid Biogas as biofuel ?

CNG LNG

NG @ 250 bars NG @ -162°C

Energy Density 9 MJ / L 22 MJ / L ~ 6 kWh /L

x2.4

Heavy duty trucks (> 300/400 HP) 700 km autonomy < 400 km autonomy



From waste to Liquid biomethane

Small scale liquefaction Satellites Biogas Biomethane LBG


Industry or Local grid

Transport

Process integration & optimization


The Lidköping plant : biogas production & liquefaction


Reduction of 16,000 tons of CO2-emissions / year

CBG for 6 000 cars or LBG for 200 heavy trucks

Total cost of the project : 20 Million €


Lidköping liquefaction plant - Project stakeholders

Swedish Biogas International 1. Substrate loading ramps 2. Digesters from Farmatic 3. Digestate and RBG storage 4. RBG Upgrading plant

Göteborg Energi 5. AL Liquefaction plant 6. LBG tank 7. Small CBG compressor Fordonsgas (retailer) 7. Large CBG compressor 8. CBG cylinders containers 9. Fordonsgas CBG / LBG public

refuelling station



Lidköping plant overview (13 ton / day LBG, 2012)

Air Liquide Liquefaction

LBG tank

LBG Dispenser

CBG HP compressors & cylinders CBG Dispenser



Biogas Liquefaction process (13 ton / day LBG, 2012)


Biomethane

(CH4 > 96%, CO2+02+N2 < 4%)

Front end Purification

CO2 polishing from 2% down to < 20 ppm

Condensation

(Cold box)

LBG (-163°C)

800 kW compressor

Turbine expansion

Brayton N2 cycle


Lidköping Liquefier overview

Centrifugal

3 stages cycle compressor

Heat recovery

PTSA (CO2 polishing)

Cold box (Liquefaction)

Elect. & control room

Compressor cooling

2 Cryogenic turbines (cold power)



CO2 in the raw biogas needs to be removed down to 20ppm

Self regenerated system = No heat needed

No CH4 slip during desorption AD


Heat recovery system PTSA

Heat


Cold box : CH4 liquefaction into LCH4

Maintenance free cryogenic turbines

Air Liquide perlite insulated cold box



How does liquefaction work ?

N2 cycle

Liquid BioCH4 @ -163°C (-261°F)

3 stages Centrifugal compressor

Water coolers = heat recovery front end purification

Turbo-expander 1 (with brake)

Turbo-expander 2 (with booster)

> 8% electricity saving

Main plate

Heat Exchanger

M

Gaseous BioCH4


Cold box

(Perlite insulated)


Main advantages of the Air Liquide Liquefaction solution

No heat needed for the front end

purification system up to 2% CO2

Low Elect. Consumption

(1kWh/Nm3 BioCH4)

Liquefaction rate adjustable

down to 20%

Accepts biogas with large variations

in N2 or O2

Adaptable for higher temperature (-143 °C)

for higher pressure LBG users



AL TB7-500 Static Bearing Turbo-expander with booster

■ Booster (instead brake) free additional compression

up to 8% energy saving

Booster wheel

Expander wheel

Shaft

Static gas bearings No contact = No wear + Maintenance free

> 130 000 hours MTBF





Worldwide


anaerobic digesters


■ Economics





Economics based on an integrated solution BG LBG

T.C.0 (*) 12 €/MWh 20 €/MWh CAPEX (**) 350 k€/y 770 k€/y OPEX (***) 800 k€/y 1,200 k€/y

2,000 Nm3/h biogas 1,000 Nm3/h biomethane 1,000 Nm3/h (17 ton/day) LBG

(*) Over 15 y. operation Production of 100 GWh/ y (**) 5% interest rate (***) thereof ~ 50-60% electricity


OPEX represents ~ (2/3) of TCO


Biomethane Liquefiers Product range


Currently under industrialization fro m pilot

scale:

‘Very small’ scale liquefier 5 - 10 ton /d

Compact and skid mounted L.

Reduced electrical consumption

TC3-400 TC4-500 TC5-500 TC6-500 TC7-500

Typical range : 10 to 20 ton / day


Conclusion on CBG and LBG production

10 years return on proven experience in the biogas field

Air Liquide self invest and operates production plants

100,000 Nm3/h Biogas membrane upgrading

Simple design > 98% uptime on integrated solutions / Easy to operate

Robust No membrane change / Long life

Efficient biomethane liquefaction systems

Turbo expanders with static bearings long life > 130 000 hours MTBF

Boosters save up to 10% electrical consumption

Limited maintenance (unattended solutions)


End of presentation Thank you for your attention!


Valorization of Biogas through Liquefaction of bio … Asia Day 2 PDF/Day 0… · 6 00/00/2012 Doc...

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Transcript of Valorization of Biogas through Liquefaction of bio … Asia Day 2 PDF/Day 0… · 6 00/00/2012 Doc...