Global LCA databases (e.g., ecoinvent v3.8) include an emission factor for Sodium Chloroacetate production, although the exact CO₂-equivalent per kg isn’t publicly disclosed sciencedirect.com+2pmc.ncbi.nlm.nih.gov+2globallcadataaccess.org+2climatiq.io+1link.springer.com+1. However, based on feedstock and energy use, industrial intermediates like SMCA typically range between 1–5 kg CO₂e/kg.
Following ISO 14040/44 guidelines, an SMCA life-cycle study includes:
Goal & Scope: Cradle-to-gate assessment covering feedstock (MCA, sodium carbonate) to dried SMCA product.
Inventory Analysis (LCI): Quantify raw materials, water, energy use, emissions, and waste.
Impact Assessment (LCIA): Evaluate GWP, resource demand, water use, and aquatic toxicity.
Interpretation: Identify environmental "hotspots" and recommend improvements myclimate.orgamericanchemistry.com+3erasm.org+3mdpi.com+3mdpi.com+1americanchemistry.com+1.
For comparison, olefins—a petrochemical process—have documented cradle-to-gate footprints in the range of 2–4 kg CO₂e/kg . Given that SMCA is a chlorinated derivative, its footprint may be similar or slightly higher due to additional chlorination steps and wastewater treatment.
Surfactant LCA projects note that precursors/intermediates like SMCA significantly influence end-product footprint, reinforcing the need for accurate inventory data globallcadataaccess.org+1climatiq.io+1link.springer.com+1erasm.org+1.
Activated sludge treatment for SMCA-contaminated effluents contributes to overall energy use; similar wastewater LCAs report sludge incineration can dominate global warming potential cfpub.epa.gov.
To reduce environmental impact, consider:
Energy optimization: utilize renewable power or waste heat in crystallization and drying.
Wastewater integration: connect to efficient activated sludge plants to minimize emissions.
Green electricity sourcing: purchase or generate renewables to offset CO₂e.
These strategies mirror high-performing LCA mitigation efforts in other chemical sectors .
HighMountainChem supports environmental performance improvements for SMCA—offering guidance on efficient manufacturing, eco-friendly packaging, and renewable energy integration. Explore their resources here:
https://highmountainchem.com/sodium-chloroacetate-cas-3926-62-3/
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