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August 13, 2026BiocharOpen Access

Sorption and transport of Escherichia coli CN-13 in saturated sand columns amended with biochar derived from malt spent rootlets

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Overview

Randomized trial investigates pathogen retention in sandy environments with biochar, indicating its potential effectiveness.

Key Points

  • This research aims to explore how biochar from malt rootlets affects the retention of E. coli in sandy soils.
  • Conducted batch experiments to assess inactivation and adsorption kinetics of E. coli under varying ionic strengths.
  • Performed column transport experiments with sand amended with different concentrations of biochar.
  • Utilized numerical modeling with the one-dimensional biocolloid transport equation to analyze bacterial removal mechanisms.
  • E. coli removal increased from 17.8% in unamended sand to 94.1% in sand with 10% biochar.
  • Ionic strength reduced adsorption capacity of E. coli due to electrostatic shielding.
  • At 10% biochar application, direct attachment dominated bacterial removal mechanisms.

Cite This Study

A 2026 study studied this question.

synapsesocial.com/papers/6a7d76172b0e0cff3f63f2e4https://doi.org/10.1007/s42773-026-00648-2
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Also Consider

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