Table 2 Physicochemical characteristics of the collected produced water. Parameters include initial pH, TDS, and ions concentration (mg/L)21.

From: Eco-friendly removal of strontium from produced water of an oilfield in western Iran using biosurfactant derived from Malva sylvestris leaves

Property

Quantity

Property

Quantity

Na+

57,489

Sr2+

629.4

K+

4752

Cl−

109,386

Li+

20.02

SO42−

798

Ba+

2.13

HCO3−

620

Ca2+

6220

pH

6.2

Mg2+

1342

TDS

180,612

Fe2+

5

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