The First Draw of the Morning: Overnight Stagnation Inside the Filter Housing, the Spike It Produces, and the Flush Volume That Clears It

SIMULATED, NOT MEASURED. Overnight stagnation in a 0.6 L filter housing raises counts from 3 to 65 CFU/mL in 8 h; the first 250 mL drawn averages 53 CFU/mL and 0.5 L of flushing clears the spike. A passive first-draw divertor design and a printed flush rule are specified. Nothing was built or field-tested.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-10
DOI
https://doi.org/10.5281/zenodo.24112019
Primary Topic
Water Treatment and Disinfection
Type
article
Field-Weighted Citation Impact
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article

The First Draw of the Morning: Overnight Stagnation Inside the Filter Housing, the Spike It Produces, and the Flush Volume That Clears It

William Alexander Aldred
Zenodo (CERN European Organization for Nuclear Research)
Water Treatment and Disinfection
article

The First Draw of the Morning: Overnight Stagnation Inside the Filter Housing, the Spike It Produces, and the Flush Volume That Clears It

William Alexander Aldred
article en

Abstract

SIMULATED, NOT MEASURED. Overnight stagnation in a 0.6 L filter housing raises counts from 3 to 65 CFU/mL in 8 h; the first 250 mL drawn averages 53 CFU/mL and 0.5 L of flushing clears the spike. A passive first-draw divertor design and a printed flush rule are specified. Nothing was built or field-tested.

Zenodo (CERN European Organization for Nuclear Research)
Water Treatment and Disinfection
DOIOpen Access PDFOpenAlex
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The First Draw of the Morning: Overnight Stagnation Inside the Filter Housing, the Spike It Produces, and the Flush Volume That Clears It — William Alexander Aldred · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS