Table 1 Review of materials, conditions, and parameters for the Cu2+ cotransport experiments.

From: Effect of background ions and physicochemical factors on the cotransport of microplastics with Cu2+ in saturated porous media

Materials

Background solution

lonic strength (mM)

Flow rate (mL/min)

PS-max(%)

MPS-zate(mv)

quartz sand-zate(mv)

PS

/

0

4

97.3

−43.2

−35.6

PS(UV)

/

0

4

98.1

−46.9

−35.9

PS(O3)

/

0

4

98.3

−47.3

−35.5

PS

Na+

1

4

78.6

−37.6

−30.6

Na+

5

4

64.1

−31.3

−26.6

Na+

10

4

42.4

−26.7

−22.4

PS

Ca2+

1

4

54.5

−33.4

−29.6

Ca2+

5

4

44.6

−25.3

−22.2

Ca2+

10

4

37

−20.7

−16.6

PS(UV)

Na+

1

4

95.5

−41.5

−30.9

Na+

5

4

92.8

−35.2

−26.6

Na+

10

4

88.1

−29.3

−22.9

PS(UV)

Ca2+

1

4

92.3

−38.3

−29.9

Ca2+

5

4

87.9

−32.3

−22.6

Ca2+

10

4

79.7

−26.3

−15.7

PS(O3)

Na+

1

4

95.8

−42.3

−30.6

Na+

5

4

92

−36.6

−26.3

Na+

10

4

88.5

−31.9

−22.9

PS(O3)

Ca2+

1

4

97.6

−38.6

−29.6

Ca2+

5

4

90.5

−30.9

−22.6

Ca2+

10

4

79.8

−26.6

−17.3

Ps + Cu2+

/

0

4

87

−37.6

−24.3

PS(UV) + Cu2+

/

0

4

94.7

−41.3

−23.6

PS(O3) + Cu2+

/

0

4

94.73

−41.6

−24.6

Ps + Cu2+

Na+

1

4

67.1

−32.3

−23.6

Na+

5

4

32

−26.6

−20.6

Na+

10

4

7.69

−20.6

−18.3

Ps + Cu2+

Ca2+

1

4

56

−30.3

−22.6

Ca2+

5

4

16

−23.6

−20.3

Ca2+

10

4

7.03

−17.5

−18.3

PS(UV) + Cu2+

Na+

1

4

91.1

−36.6

−23.1

Na+

5

4

85.5

−32.9

−20.9

Na+

10

4

80.4

−29.3

−18.6

PS(UV) + Cu2+

Ca2+

1

4

87.9

−33.6

−21.3

Ca2+

5

4

79.5

−27.3

−18.6

Ca2+

10

4

40.2

−22.3

−16.3

PS(O3) + Cu2+

Na+

1

4

94.8

−36.9

−23.6

Na+

5

4

88.4

−31.6

−20.3

Na+

10

4

63.1

−28.9

−16.3

PS(O3) + Cu2+

Ca2+

1

4

90.9

−34.6

−21.3

Ca2+

5

4

78.9

−27.1

−18.6

Ca2+

10

4

24

−22.3

−17.6

  1. Note: PS-max indicates maximum PS mobility.