PAPERZILLA
Crunching Academic Papers into Bite-sized Insights.
About
Sign Out
← Back to papers
Physical Sciences › Environmental Science › Water Science and Technology
Removal of heavy metal ions from wastewater: a comprehensive and critical review
★
★
★
★
☆
SHARE
Overview
Paper Summary
Conflicts of Interest
Identified Weaknesses
Rating Explanation
Good to know
Topic Hierarchy
File Information
Paper Summary
Paperzilla title
Soaking Up the Bad Stuff: A Deep Dive into Heavy Metal Removal from Wastewater
The review examines various methods for removing heavy metal ions from wastewater, including adsorption, membrane filtration, chemical treatment, electrochemical methods, and photocatalysis. Adsorption techniques are currently the most researched, but face challenges in removing diverse ion types concurrently and maintaining adsorbent stability. The review emphasizes the need for more research using real wastewater to develop eco-friendly, cost-effective, and sustainable treatment solutions.
Possible Conflicts of Interest
None identified
Identified Weaknesses
Use of synthetic wastewater
The study primarily focuses on synthetic wastewater, which does not reflect the complex composition of real wastewater. This limits the generalizability of the findings to practical applications.
Lack of quantitative analysis
The review lacks a quantitative assessment of the role of functional groups in heavy metal adsorption. This makes it difficult to understand the specific mechanisms involved and to design optimal adsorbents.
Limited discussion of cost and stability
The paper acknowledges the high cost and low stability of many adsorbents, but does not offer concrete solutions or promising future directions. This limits the practical impact of the review.
Limited discussion of environmental impact
The review lacks a thorough discussion of the environmental impact of different treatment methods, especially regarding the disposal of adsorbents and the generation of byproducts.
Rating Explanation
This is a comprehensive and critical review that covers a wide range of methods for heavy metal removal from wastewater. The authors provide a detailed analysis of each method's advantages and disadvantages, along with a summary of recent research. While the study has some limitations (primarily the focus on synthetic wastewater and the lack of quantitative analysis), the overall quality and scope of the review warrant a rating of 4.
Good to know
This is our free standard analysis. Paperzilla Pro fact-checks every citation, researches author backgrounds and funding sources, and uses advanced AI reasoning for more thorough insights.
Explore Pro →
Topic Hierarchy
File Information
Original Title:
Removal of heavy metal ions from wastewater: a comprehensive and critical review
File Name:
s41545-021-00127-0.pdf
[download]
File Size:
2.40 MB
Uploaded:
July 14, 2025 at 10:36 AM
Privacy:
🌐 Public
© 2025 Paperzilla. All rights reserved.