Cellulose-based materials and their adsorptive removal efficiency for dyes: A review

Area of Science:

• Environmental Science
• Materials Science
• Chemical Engineering

Background:

• Dye pollution in effluents poses a significant environmental challenge.
• Adsorption technology is a key method for removing dyes from aqueous phases.
• Cellulosic materials offer a biodegradable, cost-effective, and renewable adsorbent option.

Purpose of the Study:

• To review the use of cellulose-based adsorbents for dye removal from wastewater.
• To discuss advancements in preparing and modifying cellulose-based adsorbents.
• To compare the adsorption efficiencies and conditions of cellulose-based adsorbents.

Main Methods:

• Literature review of studies on cellulose-based dye adsorption from 2003 to 2022.
• Analysis of preparation and modification techniques for cellulose adsorbents.
• Comparison of adsorption efficiencies and conditions with other adsorbents.

Main Results:

• Modified cellulose-based materials demonstrate high effectiveness as adsorbents for dye removal.
• Cellulose-based adsorbents offer a viable and economically feasible solution for water treatment.
• Various properties and adsorption efficiencies of cellulose adsorbents have been compared.

Conclusions:

• Modified cellulose is a highly effective adsorbent for effluent remediation.
• Cellulose-based adsorbents present a sustainable and economically viable approach to dye removal.
• Further advancements in cellulose modification enhance their application in wastewater treatment.