straw bale for carbon sequestration - international ... · co 2 change from ltw slab floor house....
TRANSCRIPT
Straw bale for Carbon Sequestration
Aim: Minimize Life Cycle CO2-e
Emissions
0
500
1000
1500
2000
2500
70C 00A 10D 20S 70C 00A 10D 20S 70C 00A 10D 20S
No heating . Current levels . Comfort levels
or1 HWT or1 LWT_GND or1 LWT_SUS
or2 HWT or2 LWT_GND or2 LWT_SUS
Singles
0
500
1000
1500
2000
2500
3000
70C 00A 10D 20S 70C 00A 10D 20S 70C 00A 10D 20S
No heating . Current levels . Comfort levels
or1 HWT or1 LWT_GND or1 LWT_SUS
or2 HWT or2 LWT_GND or2 LWT_SUS
Families
0
100
200
300
400
500
600
700
800
900
70C 00A 10D 20S 70C 00A 10D 20S 70C 00A 10D 20S
No heating . Current levels . Comfort levels
or1 HWT or1 LWT_GND or1 LWT_SUS
or2 HWT or2 LWT_GND or2 LWT_SUS
DPB
0
500
1000
1500
2000
2500
3000
70C 00A 10D 20S 70C 00A 10D 20S 70C 00A 10D 20S
No heating . Current levels . Comfort levels
or1 HWT or1 LWT_GND or1 LWT_SUS
or2 HWT or2 LWT_GND or2 LWT_SUS
Retired
ZALEH
2.3
2.8
3.3
3.8
4.3
4.8
1971 1981 1991 1996 2001 2003
Ave
rag
e H
ou
seh
old
Siz
eChina
N Ireland
USA
England
NZ
Material Life expectancy
Material Life expectancy
Aluminium windows 35 Steel roofing 50
Concrete in floors 150 Timber, external framing 90
Gypsum plaster board 50 Timber, internal framing 150
Insulation 50 Timber, cladding 70
Paint 8 Solar hot water system 20
Other inputs
• Dimensions
• Material's Life Expectancy
• Paint Rates
• Landfill Carbon Retention
• Waste Rates
-102
352
738
268 271221 179
360
2,288
1970s LTW Slab
-102
388
738
143
271221 179
360
2,198
2000 LTW Slab
-160
389
738
153
271221
179
360
2,151
2000 LTW Suspended floor
-113
404
738
55
271221
179
360
2,116
2010 LTW Slab
-128
572
738
41
271221 179
360
2,254
2 Lightweight Slab
-137
540
738
41
271221 179
360
2,213
3 LTW Slab Concrete tile
-42
845
738
32
271221 179
360
2,604
1 HWT
-64475
738
32
271221 179
360
2213
4 Earth
-187
583
738
33
271221 179
360
2,198
5 LTW Suspended floor
-128591
247
41
271221
179
360
1,781
7 LTW Slab Solar hot water
-326
420
738
41
271221
179
360
1,904
6 Straw bale Slab
-456
361
738
33
271221
179
360
1,708
8 Straw bale Suspended
-504 319247
33
271221
179
360
1,126
10 SB Suspended Shingle SHW
-504299
738
33
271221
179
360
1,598
9 SB Suspended Shingle roof
-502179
247
33
271221
179
360
987
11 SB Susp. Shingle SHW Timber windows
-502273
161
23
155126 112
206
552
12 SB Susp. Shingle SHW TW PV
-510 204161
23
155126 112
206
477
13 SB Susp. Shingle SHW TW PV Low CO2 materials
-510 236
-12
3
-78 -64-25
-104-554
14 SB Susp. Shingle SHW TW PV LM Wind Gen.
19702,287
20002,197 2010
2,115
20202,252
-150
-50
50
150
250
350
450
550
650
750
0
500
1000
1500
2000
2500
Timber Other materials (esp. insulation) Heating Total annual emissions
CO2, kg/year
CO2 Change from LTW Slab Floor House. (kg)
1,031 Wind generator
491 Strawbale floor, walls & ceiling insulation
472 Solar HW
435 PV
349 Straw bale walls and ceiling
171 Efficient fridge
141 Straw bale floor insulation
139 Timber windows
110 Timber shingle roof
110 Efficient lighting
90 2000 vs 1970 insulation
90 Efficient appliances
82 2010 vs 2000 poly insulation
77 Timber linings
76 Low ECO2 materials
51 Suspended v slab
41 Concrete tile roof
41 Earth walls
-56 2020 vs 2000 poly insulation
-138 2020 vs 2010 poly insulation
-350 Heavyweight walls
CO2-e reduction (kg) CO2-e reduction (%)
Efficient appliances 90 4.1
Efficient lighting 110 5.0
Efficient refrigeration 170 7.8
Photovoltaic panels 435 20
Solar hot water heater 472 22
Wind generator 1031 47
Total Annual CO2-e Reductions: Selected Technologies
Annual CO2-e
emissions (kg)
CO2-e
reduction (kg)
CO2-e
reduction (%)
Suspended timber floor, all
polystyrene insulation
2,200 0 0.0
SB ceiling insulation, floor and walls
polystyrene
2,060 135 6.5
SB wall insulation, floor and ceiling
polystyrene
1,990 213 11
SB floor insulation, walls and ceiling
polystyrene
2,060 143 7.0
All strawbale insulation 1,710 491 29
Total Annual CO2-e Emissions and Reductions: Straw Bale Insulation
Total Annual CO2-e Reductions: Bio-Materials
Use: CO2-e reduction (kg) CO2-e reduction (%)
Wider eaves and verges (1 m) 9 0.4
Timber floor v concrete slab 54 2.5
Timber linings v gypsum board 77 3.5
Timber roof shingles v steel 110 5.0
Timber window frames v aluminium 139 6.3
Lightweight wall v concrete masonry 350 16
Strawbale insulation 491 29
Totals 1,230 62.7
