Figure 7
From: New insight into the additives in preparation and reduction of shield slurry
Cross-sectional view of the filtration cake: (a) slurry without residual additives flocculated by PAM, (b) slurry with residual bentonite flocculated by PAM, (c) slurry with residual bentonite flocculated by PAC and PAM, (d) slurry with residual CMC flocculated by PAM, (e) slurry with residual CMC flocculated by PAC and PAM.
