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February 27, 2026Carbon Capture Science & TechnologyOpen Access

Exploiting indigenous self-flocculating alkaliphilic Desmodesmus subspicatus for robust photosynthetic biogas upgrading under temperate climatic regimes

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Authors

MHMuhammad Nabeel HaiderLOLinda O’HigginsDSDeepa Sachan

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Overview

Bioprospecting identifies Desmodesmus subspicatus for effective biogas upgrading, suggesting sustainable biomethane production.

Key Points

  • The study aims to evaluate Desmodesmus subspicatus for enhancing photosynthetic biogas upgrading in temperate conditions.
  • Bioprospected indigenous algal species for biogas upgrading.
  • Examined biomass productivity at various pH and alkalinity levels.
  • Analyzed the self-flocculation of algal cells and EPS secretion under high pH.
  • Conducted carbon balance assessments to measure carbon recovery.
  • Achieved maximum biomass productivity of 83.4 mg/L/d at pH 9 and alkalinity 1.5 gIC/L.
  • Observed self-flocculation of 85% within 3 hours due to extracellular polymeric substances.
  • Carbon recovery ranged between 86-89% by the end of the upgrading process.

Cite This Study

Haider et al. (2026) studied this question.

synapsesocial.com/papers/69a134dded1d949a99abe573https://doi.org/10.1016/j.ccst.2026.100591
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Also Consider

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

  1. 1Biogas Upgrading by Wild Alkaliphilic Microalgae and the Application Potential of Their Biomass in the Carbon Capture and Utilization Technology2024 · 5 citations
  2. 2Photosynthetic Biogas Upgrading Using Microalgal–Bacterial Consortia: Fundamentals, Process Optimization and Challenges2026 · 3 citations
  3. 3Sequential Evaluation of Liquid-to-Gas Ratio, Photoperiod, and Light Intensity for Chlorella vulgaris-Based Biogas Upgrading in a PBR–Absorption Column System2026
  4. 4Integrated microalgal process for biogas upgrading, digestate bioremediation and astaxanthin production2026
  5. 5Sewage Sludge Stabilization and Biomass Enhancement via Indigenous Microalgae: Pilot-Scale Validation, Nutrient Dynamics, EPS Evolution, and Impacts on Sludge Properties2026