Basics of Construction Microbial Biotechnology - Biotechnologies and Biomimetics for Civil Engineering - page 43

Fig. 2.7 Precipitates/crystals
on sand surface after Ca-Mg
based biocementation (a) and
calcium-based
biocementation (b)

Monetatite precipitation:

Ca H 2 PO 4 ð Þ 2 þ CO NH 2 ð Þ 2 þ H 2 O þ acid urease ! CaHPO 4 #

þ CO 2 þ NH 4 ð Þ 2 HPO 4 :

ð 2 : 20 Þ