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November 10, 2025SustainabilityOpen Access

Occurrence of Linear Alkylbenzene Sulfonates Homologues in Sludge Stabilization Treatments

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Authors

JMJulia MartínCMCarmen MejíasNGNoelia García-Criado

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Overview

Analysis reveals high linear alkylbenzene sulfonates levels in sludge from wastewater treatment plants, suggesting composting as a compliant solution.

Key Points

  • This research aims to assess the occurrence of linear alkylbenzene sulfonates in sludge from various treatment processes in wastewater treatment plants.
  • Analyzed samples from 15 wastewater treatment plants with different sludge stabilization treatments.
  • Used ultrasound-assisted extraction and LC-MS/MS for detection and quantification.
  • Collected samples from September 2023 to March 2024.
  • Detected the highest concentrations of LAS in anaerobic lagoons, followed by aerobically and anaerobically digested sludge.
  • Composted sludge showed the lowest concentration of LAS among the treatments.
  • 100% of composted samples met EU concentration limits, while less than 25% of digested samples complied.

Cite This Study

Martín et al. (2025) studied this question.

synapsesocial.com/papers/69253a16c0ce034ddc356c60https://doi.org/10.3390/su172210034
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Quantification of linear alkylbenzene sulphonates in complex sludge samples: Influence of matrix effects in calibration methods2024
  2. 2Removal of linear alkylbenzene sulfonate by anaerobic and aerobic reactors treating domestic sewage2026
  3. 3Aerobic Degradation of Linear Alkylbenzene Sulfonate in Activated Sludge with the Addition of Glucose, KNO3, and KH2PO42025
  4. 4Microbial Dynamics during the Removal of Linear Alkylbenzenesulfonate (LAS) under Anaerobic and Microaerobic Conditions with Different Co-substrates2026
  5. 5Modelling the Fate of Linear Alkylbenzene Sulfonate in Agricultural Soil Columns during Inflow of Surfactant Pulses from Domestic Wastewaters2024