MPA Lime members aim to produce and supply lime products in the most sustainable ways possible. The capital intensive nature of lime production and the long term investments in quarries and large scale manufacturing installations, together with the desire for business longevity means that sustainability is at the core of the lime businesses.
Monitoring of sustainability metrics through annual data collection and reporting provides evidence of the progress made within the sustainability commitment of the MPA Lime membership.
RESOURCE USE
Units
2011
2015
2016
2017
2018
2019
2020
Waste sent to landfill for all lime manufacturing
kg/t
0.77
0.54
0.53
0.13
0.19
0.49
0.20
Proportion of alternative fuels in dolime manufacture
%
36
39
44
40
34
29
ENERGY AND CLIMATE CHANGE
Units: kg CO2/t
CO2 emissions from calcination of standard purity high calcium lime (process emissions)
663
677
697
665
680
674
CO2 emissions from calcination of high calcium lime (process emissions)
673
688
708
687
678
675
CO2 emissions from combustion of fossil fuels used to produce standard purity high calcium lime
231
238
239
241
247
CO2 emissions from combustion of fossil fuels used to produce high calcium lime
234
242
235
244
248
CO2 emissions from calcination of dolime (process emissions)
711
779
759
772
840
831
CO2 emissions from combustion of fossil fuels used to produce dolime
636
503
532
543
528
569
588
NATURAL ENVIRONMENT
Units: kg emission/t
Emissions of NOx from high calcium lime manufacture
0.25
0.09
0.14
0.11
0.15
Emissions of NOx from dolime manufacture
12.77
16.15
16.19
16.91
17.71
11.50
15.97
Emissions of particulate matter from high calcium lime manufacture
0.05
0.06
0.07
0.04
Emissions of particulate matter from dolime manufacture
0.46
0.24
Emissions of SO2 from high calcium lime manufacture
0.03
0.02
0.01
Emissions of SO2 from dolime manufacture
4.92
1.20
0.96
1.29
3.41
1.98