Variation of Contact Angles in Brine/CO₂/Mica System considering Short-Term Geological CO₂ Sequestration Condition

Figure 4

Difference in final and initial contact angle. (a) Type V5 with deionized water, (b) type V1 with deionized water, (c) type V5 with 1 M NaCl, (d) type V1 with 1 M NaCl, (e) type V5 with 3 M NaCl, and (f) type V1 with 3 M NaCl.

(a)

(b)

(c)

(d)

(e)

(f)