slug

formula

injection rounds

Dose (m3)

pretreatment slug

0.4%JHB

1

110

pre-slug

0.2% cationic polymer

1

220

main slug

0.15% cationic polymer + 0.1% anionic polymer

3

660

spacer

sewage

6

60

over displacing fluid

sewage

1

13

total

1063