Fig. 9
From: A review on chemical precipitation in carbon capture, utilization and storage
a Reaction route of the calcium carbonate polymorphs (Adapted from [103] with permission from Elsevier). b Evolution of the calcium carbonate polymorphs (Reproduced from [106] with permission from Elsevier). SEM micrographs of c spherical vaterite, d rosette-shaped aragonite and cubic calcite, e needle-like aragonite (Adapted with permission from [107]. Copyright 2017 American Chemical Society), and f granular aragonite recovered in fluidized-bed reactor (Adapted from [108] with permission from Elsevier)