Ube Separation Membrane - Biogas Customer

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- CO2/CH4 Separation -

UBE’s Membrane Modules CONFIDENTIAL

Recovery of N2 from compressed air

Dehumidification of compressed air

N2

Air Dryer

Fire and explosion protection for oil and gas well injection, Blanket for tank, tire filling etc.

Instrument Air Medical Equipment Dry Box etc.

Dehydration from aqueous organic vapor

Separation H2 from hydrocarbons

Separation CO2 from hydrocarbons

Dehydration

H2

CO2

Bio-Ethanol i-Propanol Ketones etc.

H2 Recovery on Oil Refinery and Chemical Plants

Hydrocarbon (Methane) Enrichment from Landfill Gas, Biogas, and Natural Gas

2

History of UBE’s Membrane Business ・ 1978

Started R&D Work

・ 1981

Jointed MITI’s C1 Project (National Projects)

・ 1983

Field Tests at Ammonia Plant

・ 1985

Organized Membrane Dept.

・ 1986

Supply First Hydrogen Recovery Unit

・ 1989

First Membranes for CO2 & Dryer

・ 1992

First Membrane for N2/O2 Separation

・ 1993

New Membranes for H2 & CO2

・ 1999

Started EtOH Dehydration Commercial Plant

・ 2006

Expansion of Business mainly with N2/O2 Separator & Ethanol Dehydration Membrane

Permeation Rate

Permeation Rate

High Permeation

Low Permeation

H2O H2 CO2 O2

He H2S Ar

CO N2

CH4

C2H6 C3+ (Hydrocarbon)

Natural Gas treatment in Japan

Enhanced Oil Recovery (EOR) in Turkey

Landfill gas treatment in Germany

Application Examples - Environmental Application (CO2/CH4 Separation from Biogas)

Module Structure - CO2 Separation Off Gas (Permeate Gas)

Compressed Biogas

Product Gas (Non-Permeate Gas)

(Feed Gas)

CO2 Rich Gas

Compressed Biogas (Feed Gas)

Product Gas (Non-Permeate Gas) CH4 Rich Gas Polyimide Hollow Fiber

Environmental Application (CO2/CH4 Separation from Biogas) Methane Fermenter

Methane Fermentation Gas (CH4: 60%,CO2: 40%)

Livestock Dung Ovoid Shape Digestion Tank

CO2/CH4 Module UBE Membrane Module

Purified CH4 Household Sewage

Main Application - Alternative Natural Gas

(CH4: >95%) )

Pipe Line Gas Natural Gas Vehicle Power Generator

Landfill Gas

CH4 is one of important greenhouse gases that have to be reduced, but it is 20 times more effective than CO2. CH4 should be separated and purified for effective utilization.

Durability against Contaminants

Water / Humidity: Liquid water should be avoided and less than 80 RH% Small Particles: As few as possible, less than 0.01 µm Residual Oil:

< 0.01mg/Nm3 (< 0.008 ppm w/w)

Hydrocarbons:

< 0.013mg/Nm3 (< 0.01 ppm w/w)

H2S:

< 3 vol%

NH3 & Amines:

< 100 vppm

Acid:

Should be avoided

Aromatics:

As low as possible

Alcohol:

Good

Environmental Application Typical Process Flow for Methane Separation Methane Fermenter Gas Cleaning

Compressor Landfill Gas

After Cooler

Mist Filter

Oil Filter

Carbon Bed

Dust Filter

Heater

UBE Membrane Module

Feed Gas

Product Gas (Non-Permeate Gas)

Off Gas (Permeate Gas)

Methane Rich Gas

CONFIDENTIAL

Application Examples - Environmental Application (CO2/CH4 Separation from Biogas)

11

Purification of Methane from Bio Gas CONFIDENTIAL

A. One Membrane and One Compressor UBE Membrane Module

Feed Gas CH4: 60.0% CO2: 40.0%

Product Gas CH4: 95.0 vol% Recovery: 76%

Off Gas

Material Balance Flow Pattern

Composition, Vol%

CH4 Recovery (%)

A

76

B

81

C

97

(1)

(2)

Feed

(3)

(4)

(5)

(6)

CH4 Rich

CO2 Rich

2nd Feed

Recycle

CO2

40.0

40.0

5.0

71.9

CH4

60.0

40.0

95.0

28.1

CO2

40.0

40.0

4.8

76.4

9.5

35.0

CH4

60.0

40.0

95.2

23.6

90.5

65.0

CO2

40.0

40.0

4.3

94.9

71.0

40.0

CH4

60.0

40.0

95.7

5.1

29.0

60.0

Ref.) N. Tanihara and M. Hayashi, Maku (Membrane), 35, 37 (2010).

12

Purification of Methane from Bio Gas CONFIDENTIAL

B. Two Membranes and One Compressor Compressor

1st Stage

Feed Gas CH4: 60.0% CO2: 40.0%

Product Gas CH4: 95.2 vol% Recovery: 81%

UBE Membrane Module

Off Gas UBE Membrane Module

2nd Stage

Material Balance Flow Pattern

Composition, Vol%

CH4 Recovery (%)

A

76

B

81

C

97

(1)

(2)

Feed

(3)

(4)

(5)

(6)

CH4 Rich

CO2 Rich

2nd Feed

Recycle

CO2

40.0

40.0

5.0

71.9

CH4

60.0

40.0

95.0

28.1

CO2

40.0

40.0

4.8

76.4

9.5

35.0

CH4

60.0

40.0

95.2

23.6

90.5

65.0

CO2

40.0

40.0

4.3

94.9

71.0

40.0

CH4

60.0

40.0

95.7

5.1

29.0

60.0

Ref.) N. Tanihara and M. Hayashi, Maku (Membrane), 35, 37 (2010).

13

Purification of Methane from Bio Gas CONFIDENTIAL

C. Two Membranes and Two Compressors 1st Stage

Feed Gas CH4: 60.0% CO2: 40.0%

Product Gas CH4: 95.7 vol% Recovery: 97%

UBE Membrane module

UBE Membrane module

2nd Stage

Compressor

Off Gas

Material Balance Flow Pattern

Composition, Vol%

CH4 Recovery (%)

A

76

B

81

C

97

(1)

(2)

Feed

(3)

(4)

(5)

(6)

CH4 Rich

CO2 Rich

2nd Feed

Recycle

CO2

40.0

40.0

5.0

71.9

CH4

60.0

40.0

95.0

28.1

CO2

40.0

40.0

4.8

76.4

9.5

35.0

CH4

60.0

40.0

95.2

23.6

90.5

65.0

CO2

40.0

40.0

4.3

94.9

71.0

40.0

CH4

60.0

40.0

95.7

5.1

29.0

60.0

Ref.) N. Tanihara and M. Hayashi, Maku (Membrane), 35, 37 (2010).

14

Purification of Methane from Bio Gas CONFIDENTIAL

Combination with Cryogenic CO2 Recovery Unit Compressor

Feed Gas CH4: 60.0% CO2: 40.0%

1st Stage

Product Gas CH4: 91.8 vol% Recovery: 95.7%

UBE Membrane Module

Off Gas CH4: 80% CO2: 20%

UBE Membrane Module

2nd Stage

Cryogenic CO2 Recovery Unit (CO2 >90% is needed)

High Purity CO2 (>99.9 vol%) Module 1st Stage CO-710F x 1 pc 2nd Stage CO-710F x 4 pcs Feed Gas Condition Flow Rate: 600 Nm3/hr Pressure: 1.00 MPaG Composition CH4: 60.0 vol% CO2: 40.0 vol%

Material Balance Feed Gas

Off Gas

Product Gas

Flow Rate,

Nm3/hr

600

292

393

Pressure,

MPaG

1.00

0.00

0.88

Temperature,



50

50

50

Composition,

vol%

CH4

60.0

5.66

91.80

CO2

40.0

94.34

8.20

15

Job Record for UBE CO2 Membrane Unit

No.

Application

Location

Pressure

Capacity

1

Landfill Gas

Germany

35 bar

200 Nm3/h

2

Landfill Gas

Netherlands

32 bar

350 Nm3/h

3

Natural Gas

Japan

68 bar

2,100 Nm3/h

4

Enhanced Oil

Turkey

55 bar

1,500 Nm3/h

5

CO2 Rejection

Germany

30 bar

30 Nm3/h

6

Landfill Gas

Netherlands

32 bar

350 Nm3/h

7

Landfill Gas

USA

75 bar

2,600 Nm3/h

8

Natural Gas

Canada

85 bar

25,000 Nm3/h

9

Landfill Gas

Netherlands

36 bar

350 Nm3/h

10

Synsesis Gas

Japan

7 bar

2,100 Nm3/h

11

Natural Gas

Italy

40 bar

3,100 Nm3/h

12

Natural Gas

Australia

121 bar

20,000 Nm3/h

13

BioGas (Sewage Fermentation)

Japan

7 bar

10 Nm3/h

14

BioGas (Livestock Dung Fermentation)

Japan

9 bar

20 Nm3/h

15

Landfill Gas

USA

13 bar

3,300 Nm3/h

16

BioGas

Netherlands

7.5 bar

1,500 Nm3/h

17

BioGas

Germany

8 bar

100 Nm3/h

18

BioGas

Netherland

8 bar

5 Nm3/h

Job Record for UBE CO2 Membrane Unit

Netherlands Netherlands

Germany Netherlands

Canada

Germany Germany

Netherlands

Italy

Japan Japan

Netherlands

USA USA

Turkey (Enhanced Oil)

Japan (Syn. Gas)

Japan

Natural Gas Australia

Biogas Landfill Gas Others

End

Membrane Group

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