Removal of Zinc Ions from Aqueous Solutions with the Use of Lignin and Biomass Part II

P. Miros-Kudra; P. Sobczak; K. Gzyra-Jagieła; M. Ciepliński

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Removal of Zinc Ions from Aqueous Solutions with the Use of Lignin and Biomass Part II

| 04 lug 2023

Fibres & Textiles in Eastern Europe

Volume 31 (2023): Numero 2 (July 2023)

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Article Category: Research Article

Pubblicato online: 04 lug 2023

Pagine: 11 - 25

DOI: https://doi.org/10.2478/ftee-2023-0012

Parole chiave
lignin, sorption, biomass, zinc ions, water treatment

© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Materials used for sorption tests and their relative humidity

Concept of a sorption column composed of 3 types of bed (coconut fiber, lignin, pine bark) : for 1 g and 2 g, respectively

MMD of lignin separated from black liquor

FTIR-ATR spectrum of lignin in the range 400-4000cm−1 before and after adsorption of zinc ions

FTIR-ATR spectrum of lignin in the range 400-1500cm−1 before and after adsorption of zinc ions

FTIR-ATR spectrum of pine bark in the range 400-4000cm−1 before and after adsorption of zinc ions

FTIR-ATR spectrum of chitosan in the range 400-4000cm−1 before and after adsorption of zinc ions

FTIR-ATR spectrum of oat bran in the range 400-4000cm−1 before and after adsorption of zinc ions

FTIR-ATR spectrum of rice husk in the range 400-4000cm−1 before and after adsorption of zinc ions

FTIR-ATR spectrum of coconut fibre in the range 400-4000cm−1 before and after adsorption of zinc ions

FTIR-ATR spectrum of pectins in the range 400-4000cm−1 before and after adsorption of zinc ions

FTIR-ATR spectrum of sodium alginate in the range 400-4000cm−1 before and after adsorption of zinc ions

Yield of Zn ion removal (10 mg/dm3) from aqueous solutions for selected samples at pH 4 and 7

Effect of time and system pH on the sorption yield of zinc ions (10 mg/dm3)

Effect of time and system pH on the sorption yield of zinc ions (40 mg/dm3)

Effect of sorbent mass and system pH on the sorption yield of zinc ions

Effect of temperature and pH of the system on the yield of zinc ion sorption

Results of GPC analysis of the lignin sample expressed in standard units

Mn (PS standard) [g/mol]	Mw (PSstandard) [g/mol]	Mw/Mn
2 710	5 970	2.20

Chemical composition of plant raw materials

	Content of analyzed fractions [%]
	Rice husk	Pine bark	Coconut fiber	Oat bran
Ash	16.1	0.200	1.75	3.50
Compounds extractable in ethanol	1.97	7.85	1.24	3.09
Cellulose	44.3	25.6	40.7	5.61
Lignin	29.6	45.2	45.8	5.72

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Removal of Zinc Ions from Aqueous Solutions with the Use of Lignin and Biomass Part II

Article Category: Research Article

Pubblicato online: 04 lug 2023

Pagine: 11 - 25

DOI: https://doi.org/10.2478/ftee-2023-0012

Parole chiave
lignin, sorption, biomass, zinc ions, water treatment

© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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Results of GPC analysis of the lignin sample expressed in standard units

Chemical composition of plant raw materials

Removal of Zinc Ions from Aqueous Solutions with the Use of Lignin and Biomass Part II

Article Category: Research Article

Pubblicato online: 04 lug 2023

Pagine: 11 - 25

DOI: https://doi.org/10.2478/ftee-2023-0012

Parole chiavelignin, sorption, biomass, zinc ions, water treatment

© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1.

Fig. 13.

Fig. 2.

Fig. 3.

Fig. 4.

Fig. 5.

Fig. 6.

Fig. 7.

Fig. 8.

Fig. 9.

Fig. 10.

Fig. 11.

Fig. 12.

Fig. 14.

Fig. 15.

Fig. 16.

Fig. 17.

Results of GPC analysis of the lignin sample expressed in standard units

Chemical composition of plant raw materials

Parole chiave
lignin, sorption, biomass, zinc ions, water treatment