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Table 6 Langmuir equilibrium parameters (Eq. (1) and (2)) for PFAS adsorption onto investigated IEX out of drinking water

From: Sorptive removal of short-chain perfluoroalkyl substances (PFAS) during drinking water treatment using activated carbon and anion exchanger

 

A532E

D5706

D5705

MP62

M800

K6362

 

qmax

µg/g

KL

L/µg

qmax

µg/g

KL

L/µg

qmax

µg/g

KL

L/µg

qmax

µg/g

KL

L/µg

qmax

µg/g

KL

L/µg

qmax

µg/g

KL

L/µg

PFBA

2129

0.004

641

0.018

298

0.023

ΠL = 1.8 L/g

318

0.006

137

0.010

PFPeA

2027

0.014

1461

0.014

460

0.025

729

0.012

529

0.010

331

0.010

PFHxA

5280

0.012

631

0.105

975

0.030

ΠL = 19 L/g

394

0.052

432

0.020

PFHpA

22500

0.007

ΠL = 66 L/g

373

0.263

ΠL = 51 L/g

489

0.101

678

0.041

PFOA

–

ΠL = 130 L/g

ΠL = 65 L/g

ΠL = 89 L/g

ΠL = 60 L/g

ΠL = 48 L/g

PFBS

–

ΠL = 120 L/g

ΠL = 75 L/g

1,025

0,052

ΠL = 79 L/g

ΠL = 41 L/g

PFHxS

–

–

–

ΠL = 229 L/g

–

ΠL = 330 L/g

PFOS

–

–

–

ΠL = 260 L/g

–

–

  1. ΠL = qmaxKL