Fig. 4.4 (a) Schematic diagram describing the various water/wastewater treatment processes in
which CN-based systems can be utilized. (Reproduced with permission from Mohamaad et al.
2018, Copyright © 2018, Royal Society of Chemistry) (b) 3D multiwall perforated nanocellulosebased polyethylenimine aerogels for ultrahigh efficient and reversible removal of Cu(II) ions from
water. (Reproduced with permission from Mo et al. 2019, Copyright © Elsevier, 2019) (c)
Schematic illustration and photographs showing the various steps including A) GO/BNC hydrogel
and B) Pd/GO/BNC membrane involved in the fabrication of Pd/GO/BNC membrane. (Reproduced
with permission from Xu et al. 2018; Copyright © 2018 WILEY-VCH Verlag GmbH & Co. KGaA,
Weinheim)
which CN-based systems can be utilized. (Reproduced with permission from Mohamaad et al.
2018, Copyright © 2018, Royal Society of Chemistry) (b) 3D multiwall perforated nanocellulosebased polyethylenimine aerogels for ultrahigh efficient and reversible removal of Cu(II) ions from
water. (Reproduced with permission from Mo et al. 2019, Copyright © Elsevier, 2019) (c)
Schematic illustration and photographs showing the various steps including A) GO/BNC hydrogel
and B) Pd/GO/BNC membrane involved in the fabrication of Pd/GO/BNC membrane. (Reproduced
with permission from Xu et al. 2018; Copyright © 2018 WILEY-VCH Verlag GmbH & Co. KGaA,
Weinheim)