Application of Alkali Lignin and Spruce Sawdust for the Effective Removal of Reactive Dyes from Model Wastewater

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2023 May 27

PMID 37241853

Authors

Katerina Hajkova

Michaela Filipi

Roman Fojtik

Ali Dorieh

Affiliations

Soon will be listed here.

Abstract

Today, the emphasis is on environmentally friendly materials. Alkali lignin and spruce sawdust are suitable natural alternatives for removing dyes from wastewater. The main reason for using alkaline lignin as a sorbent is the recovery of waste black liquor from the paper industry. This work deals with removing dyes from wastewater using spruce sawdust and lignin at two different temperatures. The decolorization yields were calculated as the final values. Increasing the temperature during adsorption leads to higher decolorization yields, which may be due to the fact that some substances react only at elevated temperatures. The results of this research are useful for the treatment of industrial wastewater in paper mills, and the waste black liquor (alkaline lignin) can be used as a biosorbent.

Citing Articles

Production of Low-Cost Adsorbents within a Circular Economy Approach: Use of Spruce Sawdust Pretreated with Desalination Brine to Adsorb Methylene Blue.

Politi D, Sakellis E, Sidiras D Materials (Basel). 2024; 17(17).

PMID: 39274710 PMC: 11396110. DOI: 10.3390/ma17174317.

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