**4. Conclusions**


**Supplementary Materials:** The following are available online at http://www.mdpi.com/1996-1944/12/1/17/s1, Figure S1: 1H NMR spectra, Figure S2: 13C NMR spectra, Figure S3. Adsorption isotherm plots: (a) Flory-Huggins; (b) Frumkin; and (c) Temkin.

**Author Contributions:** The conceptualization was done by A.S. and K.R.A.; methodology was performed by A.S. and H.L.; software for the study was used by H.L. and K.R.A.; validation of data was done by M.A.Q., A.S. and K.R.A.; formal analysis was done by A.S.; investigation was carried out by Ambrish Singh and K.R.A.; resources were provided by M.A.Q.; data curation was done by K.R.A.; writing—original draft preparation was done by A.S.; writing—review and editing was performed by A.S. and K.R.A.; supervision was of M.A.Q.

**Funding:** This research was funded by Sichuan 1000 Talent Fund.

**Conflicts of Interest:** The authors declare no conflict of interest.
