Environmental Engineering Reference
In-Depth Information
Fig. 16.1 XRD pattern of
calcium carbonate crystals
formed in the cell-free
medium (a), the medium with
S. pasteurii (b), and the
medium with B. sphaericus
(c). Reprinted from Kim et al.
( 2013 ), Copyright (2013),
with permission from
Elsevier
(a)
C
Cell-free medium
C: Calcite
V: Vaterite
V
V
V
C
C
V
C
20
25
30
35
40
2
θ
(deg)
(b)
S.pasteurii
V
C: Calcite
V: Vaterite
V
V
C
C
V
C
C
20
25
30
35
40
2 θ (deg)
(c)
B.sphaericus
V
C
C: Calcite
V: Vaterite
V
V
C
C
V
C
20
25
30
35
40
2
θ
(deg)
As concrete specimens for the bacterial surface treatment, normal and light-
weight concrete were prepared. Coal bottom ash was applied as a lightweight
aggregate material. The details of the preparation method of the concrete specimens
and the procedures of the surface treatment are available in Kim et al. ( 2013 ).
 
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