Life Cycle Assessment of Adsorbent Materials in Water Treatment
Summary
Life cycle assessment (LCA) provides a standardised methodology for evaluating the environmental and economic impacts of adsorbent materials used in water treatment. By tracing each stage from raw material extraction and adsorbent production to transportation, use-phase regeneration and disposal, LCA quantifies burdens such as greenhouse gas emissions, resource depletion, toxicity and energy demand. Common adsorbents include activated carbon, biochar derived from biomass, natural minerals and emerging nanomaterials. Choices of feedstock, activation process and energy source introduce trade-offs between adsorption efficiency and environmental footprint. For example, biochars from agricultural residues can lower carbon emissions compared with coal-derived activated carbon but may require high-temperature pyrolysis. Integrating adsorption performance with life cycle metrics enables the design of more sustainable materials, supporting policy development and industrial strategies to address water pollution worldwide.
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Life Cycle Assessment of Adsorbent Materials in Water Treatment publication trend
The graph below shows the total number of articles in life cycle assessment of adsorbent materials in water treatment across all publications each year (not limited to Nature Index journals).
Technical terms
Life cycle assessment (LCA): systematic analysis of environmental impacts associated with all stages of a product’s life from raw material extraction to end-of-life.
Adsorbent: material that binds ions or molecules from a fluid phase onto its surface through physical or chemical interactions.
Activated carbon: highly porous carbonaceous adsorbent produced by physical or chemical activation of carbon-rich precursors.
Biochar: carbon-rich solid derived from the pyrolysis of biomass, used as an adsorbent and soil amendment.
Global warming potential (GWP): measure of greenhouse gas emissions expressed as carbon dioxide equivalents over a specified time horizon.
Cradle-to-gate: life cycle boundary encompassing stages from raw material acquisition to the factory gate before product use.
References
- Assessing the life cycle and economic impact of cement-modified biochar compared to conventional adsorbents for heavy metal removal in stormwater. Process Safety and Environmental Protection (2024).
- Comparative life cycle assessment of activated carbon production from various raw materials. Journal of Environmental Management (2022).
- Life Cycle Assessment of activated carbon production from coconut shells. Journal of Cleaner Production (2016).
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