Study
Resource ManagementHigh ImpactStrong effect

Marine Algae Biomass Achieves 100% Lead Removal at Optimized Conditions

Marine algae, specifically Gelidium amansii, can be optimized to completely remove lead ions from aqueous solutions, offering a sustainable and cost-effective remediation strategy.

Scientific Reports · 2018

01

Key Findings

  • 01Maximum 100% removal of Pb<sup>2+</sup> was achieved under specific optimized conditions.
  • 02Key variables influencing removal efficiency included initial pH, Pb<sup>2+</sup> concentration, and temperature.
  • 03FTIR, SEM, and EDS analyses confirmed the presence of functional groups and the adsorption of Pb<sup>2+</sup> onto the algal biomass.
02

Application

Design takeaway

When designing water purification systems, consider natural, biodegradable materials like marine algae, and rigorously optimize process parameters such as pH, temperature, and contact time for maximum contaminant removal.

How to apply

Investigate the use of locally abundant natural materials for adsorbing specific pollutants in wastewater treatment, and conduct pilot studies to validate performance under real-world conditions.

Project actions

  • 01When selecting materials for a design project, consider their natural abundance and environmental impact.
  • 02Use experimental design techniques to efficiently find the best operating conditions for your chosen material or process.
03

Method & Evidence

AimTo determine the optimal conditions for the biosorption of lead ions (Pb<sup>2+</sup>) from aqueous solutions using Gelidium amansii biomass and to characterize its effectiveness.
MethodExperimental design (Plackett-Burman and Central Composite Design) and material characterization (FTIR, SEM, EDS).
ProcedureResearchers used a Plackett-Burman design to identify key variables affecting lead removal, then employed a Central Composite Design to optimize these variables (initial pH, Pb<sup>2+</sup> concentration, temperature, biomass concentration, and contact time). Material characterization techniques were used to understand the adsorption mechanisms.
ContextWater treatment and heavy metal remediation.

Variables

IV["Initial pH","Pb<sup>2+</sup> concentration","Temperature","Biomass concentration","Contact time"]
DV["Pb<sup>2+</sup> removal percentage"]
CV["Type of biomass (Gelidium amansii)","Volume of aqueous solution","Static vs. agitated conditions (initially static)"]
04

Strengths & Limitations

Strengths

  • +Systematic optimization using established experimental designs.
  • +Comprehensive characterization of the biosorbent and adsorption process.

Limitations

The effectiveness of the biosorbent might vary depending on the source and preparation of the biomass, and the presence of other ions in the water.

Reliability & validity

The use of factorial and central composite designs enhances the reliability and validity of the findings by systematically exploring the variable space and identifying optimal conditions. FTIR, SEM, and EDS provide valid evidence for the adsorption mechanism.

Think critically

How might the presence of other dissolved substances in industrial wastewater affect the efficiency of Gelidium amansii in removing lead?

05

Design Principles

"Leverage natural biosorbents and optimize environmental parameters for efficient and sustainable contaminant removal."

This research highlights the potential of readily available natural resources for environmental cleanup. By understanding the optimal conditions for biosorption, designers and engineers can develop more efficient and eco-friendly water treatment systems, reducing reliance on conventional, often energy-intensive, methods.

06

What This Means for Your Design

This study shows that a type of seaweed called Gelidium amansii can be used to completely clean lead out of water if you use it in the right way (like at the right temperature and acidity).

How to use in your project

  • 1.This research can inform the selection of sustainable materials and the optimization of processes in a design project focused on environmental remediation or water purification.
07

Add to My Project

08

Quick Cite

(2018). Biosorption optimization, characterization, immobilization and application of Gelidium amansii biomass for complete Pb2+ removal from aqueous solutions. Scientific Reports. https://doi.org/10.1038/s41598-018-31660-7 Retrieved from https://designdex.org/study/7df3f3a7-eeb5-4fd5-91af-5fb4c4bbd12f/marine-algae-biomass-achieves-100-lead-removal-at-optimized-conditions

Paragraph starter

The research by El‐Ahmady El‐Naggar et al. (2018) demonstrates that Gelidium amansii biomass can achieve 100% removal of lead ions from aqueous solutions under optimized conditions, highlighting the potential of natural biosorbents for environmental remediation.

09

Source

Scientific Reports

Biosorption optimization, characterization, immobilization and application of Gelidium amansii biomass for complete Pb2+ removal from aqueous solutions

journal · 2018

View source

Questions about this research

What does the research say about marine algae biomass achieves 100% lead removal at optimized conditions?
When designing water purification systems, consider natural, biodegradable materials like marine algae, and rigorously optimize process parameters such as pH, temperature, and contact time for maximum contaminant removal. Evidence: Scientific Reports (2018).
Why does "Marine Algae Biomass Achieves 100% Lead Removal at Optimized Conditions" matter for design?
This research highlights the potential of readily available natural resources for environmental cleanup. By understanding the optimal conditions for biosorption, designers and engineers can develop more efficient and eco-friendly water treatment systems, reducing reliance on conventional, often energy-intensive, methods.
How can designers apply this research?
When designing water purification systems, consider natural, biodegradable materials like marine algae, and rigorously optimize process parameters such as pH, temperature, and contact time for maximum contaminant removal.
What were the main findings?
Maximum 100% removal of Pb<sup>2+</sup> was achieved under specific optimized conditions.. Key variables influencing removal efficiency included initial pH, Pb<sup>2+</sup> concentration, and temperature.. FTIR, SEM, and EDS analyses confirmed the presence of functional groups and the adsorption of Pb<sup>2+</sup> onto the algal biomass.
What research method was used?
Experimental design (Plackett-Burman and Central Composite Design) and material characterization (FTIR, SEM, EDS)..
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2018 journal from Scientific Reports.
What should I do differently in my next project?
Investigate the use of locally abundant natural materials for adsorbing specific pollutants in wastewater treatment, and conduct pilot studies to validate performance under real-world conditions.
What are the limitations?
The study focused on a single type of heavy metal (Pb<sup>2+</sup>) and a specific algal species. Long-term stability and scalability of immobilized biomass were tested for a limited duration.
Is there evidence that marine algae affects design outcomes?
Under optimized conditions, Gelidium amansii biomass can completely remove lead from water, with specific pH, concentration, and temperature being critical factors. The algae's structure and chemical groups facilitate this removal. This research highlights the potential of readily available natural resources for enviro Source: Scientific Reports (2018).
Where does this optimized conditions research apply?
Water treatment and heavy metal remediation. It sits within resource management research on designdex.org.

Related research topics

marine algae design research · evidence on marine algae · does marine algae improve design outcomes · optimized conditions studies for designers · marine algae and optimized conditions findings · resource management research evidence