Table 2 Experimental Matrix.

From: Effect of natural carbonates on microbially induced calcite precipitation process

Column

Sand

Yeast Extract (g/L) for all treatments

Urea (mM) during Stimulation

Urea to Calcium Chloride (mM) during Cementation

Testing

BS_0.02_50_1:1

Blessington Sand

0.02

50

250:250 (1:1)

UCS

BS_0.02_350_1.4:1

Blessington Sand

0.02

350

350:250 (1.4:1)

UCS

BS_0.2_50_1:1

Blessington Sand

0.2

50

250:250 (1:1)

Ammonia Sorption

BS_0.2_350_1.4:1

Blessington Sand

0.2

350

350:250 (1.4:1)

UCS

BS_0.2_50_1:1_COM

Blessington Sand

0.2

50

250:250 (1:1)

Rinsing

BS_0.2_350_1:1

Blessington Sand

0.2

350

250:250 (1:1)

-

BS_2_350_1.:1

Blessington Sand

2

350

250:250 (1:1)

-

CS_0.2_50_1:1_COM

Concrete Sand

0.2

50

250:250 (1:1)

Rinsing

CS_0.2_50_1:1

Concrete Sand

0.2

50

250:250 (1:1)

Ammonia Sorption

OS_0.2_350_1:1

Ottawa F-110 Sand

0.2

350

250:250 (1:1)

-

OS_2_350_1:1

Ottawa F-110 Sand

2

350

250:250 (1:1)

-