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Record W2515886624 · doi:10.2166/wst.2000.0457

Impacts of implementing a corrosion control strategy on biofilm growth

2000· article· en· W2515886624 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueWater Science & Technology · 2000
Typearticle
Languageen
FieldEnvironmental Science
TopicWater Treatment and Disinfection
Canadian institutionsPolytechnique MontréalNatural Sciences and Engineering Research Council of Canada
Fundersnot available
KeywordsCorrosionBiofilmChlorineSulfate-reducing bacteriaMetallurgyChemistryWater treatmentChemical engineeringEnvironmental engineeringMaterials scienceEnvironmental scienceBacteriaPulp and paper industryGeologyEngineeringSulfate

Abstract

fetched live from OpenAlex

Biofilm growth and corrosion are interrelated processes in a drinking water distribution system. The presence of corrosion tubercles alters the quality of the water in many ways, such as increasing the number of available attachment sites on the walls of the pipes for bacteria. Moreover, the presence of corrosion by-products significantly reduces chlorine disinfection and the efficiency of biofilm control. This study is aimed at evaluating the effect of implementing a corrosion control program on the development of biofilm on distribution system pipe walls. No impacts were found during full-scale experimentation, however the results of a pilot-scale study carried out with annular reactors showed that, both in the presence and absence of corrosion by-products, the anti-corrosion chemicals tested (orthophosphates, a blend of ortho-polyphosphates, and sodium silicates) had no impact on biofilm development at the concentrations tested. Higher numbers of bacteria fixed on the walls of the reactors wereassociated with larger corrosion deposits on the annular reactors. Removing these corrosion deposits may have a positive impact on biofilm control in a distribution system.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.149
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.006
GPT teacher head0.224
Teacher spread0.218 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it