Biogas - DGE GmbH

Josef Mehrer GmbH & Co KG
Oi l -f r e e Co m p r e s s i o n
of
Biogas and Biom et hane
Dr. - Ing. Matthias Wettermann
Josef Mehrer GmbH & Co KG
Maschinenfabrik
Page 1
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Agenda
Requirements for Compressors
Features of Biogas and Biomethane Compressors
Design of Biogas and Biomethane Compressors
Reference Plants
Page 2
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Requirements for Compressors
Main gas
components:
Biogas (uncleaned gas)
Biomethane (cleaned gas)
CH4
50 70 Vol. %
CO2
30 50 Vol. %
H2S
2000 ppmv
water vapour saturated
96 Vol.%
< 4 Vol. %
5 mg/Nm³
partially saturated or dry
Suction temperature:
Suction pressure:
30 45 °C
1 1,1 bar abs
Final pressure:
2 14 bar abs
washing, PSA, gas motor, recirculation
Volume flow:
5 4000 Nm³/h
Power requirement:
Explosion-hazardous area:
Compression:
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20 40 °C
1 12 bar abs
2 25 bar abs
network supply, booster
5 12000 Nm³/h
400 kW
400 kW
Ex zone 1 or 2, T2, T3, ATEX
oil-free (dry running)
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Features of Biogas and Biomethane Compressors
Biogas Compressors
Gas-bearing pipelines, cooler,
separator, divertor of high-grade steel
Free of non-ferrous metal
Condensate control
Condensate washed out on suction side
Partly special valves
Partly inner coating,
cylinder liners of high-grade steel
Additional compression of
Water vapour and CO2
energy required, bigger compressor
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Biomethane Compressors
Gas-bearing pipelines, cooler,
separator, divertor of high-grade steel
with possible condensation (design
similar to biogas compressor)
Gas-bearing pipelines, cooler,
pulsation damper of C steel, with dry
gases (design natural gas
compressor)
Special piston and packing rings
with dry gases
Low concentration of water vapour and
CO2
energy required, smaller compressor
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Design of Biogas and Biomethane Compressors
suction filter
suction valve
pressure valve
piston
cylinder liner
cylinder block
gas stuffing box seal
piston rod
free lift
oil stuffing box seal
crosshead
drive pulley
connecting-rod
crankshaft
lubricating oil pump
Page 5
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Design of Biogas and Biomethane Compressors
330
350
Zweistufiger
Biogasverdichter
two-stage biogas
compressor
360
340
280
320
310
290
270
10
TSA+
TI
420
430
PI
PSA-
TC
40
60
customer
Mehrer
560
150
20
30
Mehrer
customer
550
90
160
TI
100
PSA+
TI
50
PSA-
570
170
20
TI
110
PI
120
580
PI
LT
450
P
130
1020
400
LSA+
190
410
P
80
TI
Gas / gas
PI
180
LT
Gas / gas
470
70
LT
Steuergas
control gas
140
1120
LSA+
200
630
32
35
LSA+
1000
210
Abblaseleitung
blow off pipe
220
390
Kondensat
condensate
380
540
370
Kühlwasser
cooling
water
290
300
250
240
520
260
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Symposium Production of Biomethane from Biogas
230
27.10.2006
Josef Mehrer GmbH & Co KG
Design of Biogas and Biomethane Compressors
One-stage Biomethane Compressor
350
330
360
340
customer
Mehrer
TSA+
320
310
TI
630
290
TC
Abblaseleitung
blow off pipe
430
PSA-
PI
420
60
10
560
170
20
30
Mehrer
customer
550
PSA+
TI
100
470
70
PSA-
Gas / gas
PI
570
PI
TI
80
TC
120
580
285
140
180
Gas / gas
400
Steuergas
control gas
P
450
225
31
390
380
540
370
Kühlwasser
cooling water
290
300
285
250
240
520
260
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230
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Reference Plants
Biomethane Compressor TEL 80/S6 (x 8)
Power
Volumetric flow rate
Suction pressure
Final pressure
30 kW
348,5 Nm³/h
5 bar(a)
19 bar(a)
Client
Reliant Atascocita
Landfill Gas Facility,
Houston, USA
2002
Biogas processing
Year
Application
Page 8
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Biogas Compressor TZW 60-30-F (x 2)
Power
Vol. flow rate
Suction pressure
Final pressure
Site
Year
Application
Page 9
30 kW
163 Nm³/h
1,04 bar(a)
15 bar(a)
Kristianstad
Wastewater plant, S
1999
Biogas purification plant
with tank filling
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Biogas Compressor TZW 70/S4-55Ex-SC
Power
Vol. flow rate
Suction pressure
Final pressure
Client
Year
Application
55 kW
287 Nm³/h
1 bar(a)
11 bar(a)
Hoechst Trevira
Vlissingen, B. V, NL
1998
Wastewater plant
Biogas Compressor TEL80/S6-15Ex
Power
Vol. flow rate
Suction pressure
Final pressure
Client
Year
Application
Page 10
15 kW
110 Nm³/h
1,1 bar(a)
5 bar(a)
SOM Regusa, It
1998
Energy generation
Gas motor
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Biogas Compressor TEW 90/160/S2-30-F-SC
Power
Vol. flow rate
Suction pressure
Final pressure
Client
Year
Application
30 kW
145 Nm³/h
1 bar(a)
7 bar(a)
Stora Enso
Sachsen GmbH, D
2001
Energy production
Gas motor
Biogas Compressor TVE 800/335-110Ex
Power
Vol. flow rate
Suction pressure
Final pressure
Client
Year
Application
Page 11
110 kW
1025 Nm³/h
1,02 bar(a)
4,5 bar(a)
ABB, Gr
1999
Energy production
Gas motor
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Biogas Compressor GVZ 800-90Ex
Power
Vol. flow rate
Suction pressure
Final pressure
Site
Year
Application
90 kW
500 Nm³/h
1,03 bar(a)
13 bar(a)
Wastewater plant
Uppsala, S
2000
Biogas purification plant
Biogas Compressor TVE 800/335-132Ex
Power
Vol. flow rate
Suction pressure
Final pressure
Client
Year
Application
Page 12
132 kW
500 1500 Nm³/h
1,02 bar(a)
3,8 bar(a)
Südzucker AG, D
1998
Energy production
Gas motor
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Biogas Compressor TEW 90/160/S2-30-F-FU
Power
Vol. flow rate
Suction pressure
Final pressure
Client
Year
Application
30 kW
207 - 360 Nm³/h
2,5 bar(a)
9 bar(a)
Norrköping, S
2003
Biogas purification plant
Biomethane Compressor TEL 80/100/S6G-15-F
Power
Vol. flow rate
Suction pressure
Final pressure
Client
Year
Application
Page 13
15 kW
175 Nm³/h
4,8 bar(a)
15 bar(a)
Norrköping, S
2003
Precompressor for
gas cylinder filling
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Biogas Compressor TEL 80/S3-15-F
Power
Vol. flow rate
Suction pressure
Final pressure
Site
Year
Application
Page 14
15 kW
65 Nm³/h
1,025 bar(a)
8 bar(a)
Switzerland
2004
Biogas purification plant
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Biomethane Compressor 2 x TEW 90-37-F-FU
Power
Vol. flow rate
Suction pressure
Final pressure
Site
Year
Application
Page 15
37 kW
261 - 659 Nm³/h
2,2 3,2 bar(a)
6 bar(a)
Arendal, S
2006
Biogas drying
Network supply
Symposium Production of Biomethane from Biogas
27.10.2006
Josef Mehrer GmbH & Co KG
Biogas Compressor TEW 110/160-37-F-FU
Power
Vol. flow rate
Suction pressure
Final pressure
Site
Year
Application
37 kW
125 205 Nm³/h
1,015 1,04 bar(a)
8 bar(a)
Switzerland
2005
Biogas purification plant
Biogas Compressor 2 x TEL 80/S6G-18,5-F-FU
Power
Vol. flow rate
Suction pressure
Final pressure
Site
Year
Application
Page 16
18,5 kW
75 150 Nm³/h
1,8 bar(a)
8 bar(a)
Laholm, S
1999
Biogas purification plant
Symposium Production of Biomethane from Biogas
27.10.2006