Removal of Heavy Metals from Aqueous Solutions with the Use of Lignins and Biomass
02 giu 2022
INFORMAZIONI SU QUESTO ARTICOLO
Categoria dell'articolo: Research Article
Pubblicato online: 02 giu 2022
Pagine: 99 - 111
DOI: https://doi.org/10.2478/ftee-2022-0013
Parole chiave
© 2022 Patrycja Miros-Kudra et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Fig. 1
![Plausible mechanism of biosorption based on [17]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6471dae8215d2f6c89db3242/j_ftee-2022-0013_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250919%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250919T204216Z&X-Amz-Expires=3600&X-Amz-Signature=aa6f37728da9298356c9e19b90ccc32e6060a2a49d4efe62e6072e99e7e2c1f4&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 2

Fig. 3
![Scheme of black liquor formation, based on [87]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6471dae8215d2f6c89db3242/j_ftee-2022-0013_fig_003.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250919%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250919T204216Z&X-Amz-Expires=3600&X-Amz-Signature=f8927f32f4dbc98b017bb1a8b089e7b71323de1b0747f5eaceea3e8b8eacd9f0&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 4

Fig. 5

Summary of work done by different researchers using different waste materials to remove heavy metal ions
Chitosan | chitosan / hydroxyapatite / nanomagnetic composite | Zn | 50% | [ |
Cu | 80% | |||
permutite with chitosan | Zn | 58,8 | [ |
|
Cu | 50,2 | |||
chitosan micro and nanoparticles | Zn | >90% | [ |
|
Rice bran | Zn | 95,22 | [ |
|
Cd | >80% | [ |
||
Cr(VI) | 40–50% | |||
Zn(II) | 87% | |||
Cr(VI), Ni(II) | 40–50% | [ |
||
Alginate | Cu | >90% | [ |
|
Cd | ||||
Pb, Zn | [ |
|||
Coconut fibers | Zn | 91% | [ |
|
Cu | 97% | |||
Cr(VI) | >80% | [ |
||
Agricultural waste biomass | corn cobs | Zn | 72% | [ |
Ni | 82% | |||
waste from tea leaves | Zn | 90% | [ |
|
Ni(II) | 86% | [ |
||
mango wood sawdust | Cu(II) | 60% | ||
Lignin | Cu, Cd | 90–95% | [ |
|
Pb | >90% | [ |
||
Cr(VI) | 85% | [ |
||
Lignin-chitin composite | Fe(III) | 84% | [ |
|
Cu(II) | 22% |
Approximated lignin content and lignin building block composition in different raw materials
Lignin content [ |
18–25% | 27–33% | 17–24% |
Lignin building block composition [ |