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September 11, 2025

Treatment of non-sterile biogas slurry from a pig farm using microalgae isolated from the activated sludge of sewage plants.

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Authors

YWYuxi WeiYCYinghuan ChenTZTianzhen Zhao

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Overview

Research demonstrates microalgae's ability to remove key pollutants in biogas slurry, suggesting a sustainable solution for pig farms.

Key Points

  • Microalgae effectively removed ammonia nitrogen and phosphorus from non-sterile biogas slurry, and significantly reduced microbial diversity and pathogens present.
  • Chlorella species used in the treatment exhibited some capability to remove heavy metals and antibiotics, contributing to wastewater management sustainability.
  • Analysis of metagenomic data revealed alterations in antibiotic resistance genes following microalgae treatment, highlighting potential implications for public health.
  • This study suggests a low-cost and efficient method for treating non-sterilized biogas slurry using microalgae isolated from activated sludge.

Cite This Study

Wei et al. (2025) studied this question.

synapsesocial.com/papers/68c2a9c304ab598fffb89cdchttps://doi.org/10.1128/spectrum.00688-25
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Also Consider

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

  1. 1A Comparative Evaluation of Simultaneous Nutrient Removal and Biomass Production for Treatment Vinasse Biogas Slurry by Microalgae2025
  2. 2Poultry Slaughterhouse Wastewater Treatment by Green Algae: An Eco-Friendly Restorative Process2025
  3. 3Biogas Purification through the use of a Microalgae-Bacterial System in Semi-Industrial High Rate Algal Ponds2024
  4. 4Microalgae Cultivation as a Method for Nutrient Removal and Valorisation of Liquid Digestate from Biogas2026
  5. 5Native Microalgae-Bacteria Consortia: A Sustainable Approach for Effective Urban Wastewater Bioremediation and Disinfection2024 · 6 citations