Recent advances for dyes removal using novel adsorbents: A review
Yanbo Zhou1, Jian Lu2, Yi Zhou3
1State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, No. 130 Meilong Road, Shanghai, 200237, China; Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science and Technology, No. 130 Meilong Road, Shanghai, 200237, China.
Environmental Pollution (Barking, Essex : 1987)
|June 4, 2019
Summary
This review highlights novel adsorbents for removing toxic dyes from wastewater. It details adsorbent preparation, modification, adsorption mechanisms, and future applications for cleaner water.
Area of Science:
- Environmental Chemistry
- Materials Science
- Water Treatment Technologies
Background:
- Dyeing wastewater poses significant environmental and health risks due to its toxicity and carcinogenicity.
- Adsorption is a widely adopted, effective technology for removing dyes from aqueous solutions.
- A comprehensive review of novel adsorbents for dye removal is lacking.
Purpose of the Study:
- To review advancements in novel adsorbents for dye removal from wastewater.
- To discuss adsorbent preparation, modification, and adsorption capacities.
- To analyze adsorption mechanisms, functionalization methods, and future perspectives.
Main Methods:
- Literature review focusing on novel adsorbents for dye removal.
- Categorization of dyes, their side effects, and removal technologies.
- Analysis of adsorbent characteristics, advantages, and limitations.
- Discussion on functionalization methods, controlling mechanisms, and practical applications.
Main Results:
- Novel adsorbents show promise for efficient dye removal.
- Functionalization and modification significantly enhance adsorption capacities.
- Understanding specific adsorption mechanisms is crucial for optimizing performance.
- Various adsorbents present distinct advantages and limitations.
Conclusions:
- Novel adsorbents offer a promising avenue for effective dye wastewater treatment.
- Tailored functionalization strategies are key to maximizing dye adsorption.
- Further research is needed to address challenges in practical application and scalability.
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