Environmental Engineering Reference
In-Depth Information
Figure 10.3.4
Storage capacity pyramid
Two dimensions of capacity assessment, uncertainty and storage volume, decrease
with increasing focus on a particular site.
Data from CO2CRC
.
Section 4
Health, safety,
and environmental impacts
The scale over which geological carbon sequestration must be carried
out to reduce CO
2
emissions means that sequestration itself will have its
own set of potential health, safety, and environmental (HSE) impacts, as
well as present issues related to sustainability (e.g., [10.36]).
Figure 10.4.1
illustrates potential HSE impacts of sequestration in terms of their quali-
tative potential severity and the depth at which they might occur.
As shown in
Figure 10.4.1
, the impacts that occur at the greatest
depths are not classifi ed as having large HSE impact [10.37]. For exam-
ple, the unplanned intrusion of CO
2
into hydrocarbon reservoirs due to
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