MétaCan
Menu
Back to cohort
Record W1966892679 · doi:10.1139/s04-045

Interpreting collimated beam ultraviolet photolysis rate data in terms of electrical efficiency of treatment

2005· article· en· W1966892679 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.

fundA Canadian funder is recorded on the work.
venuePublished in a venue whose home country is Canada.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueJournal of Environmental Engineering and Science · 2005
Typearticle
Languageen
FieldEnvironmental Science
TopicWater Quality Monitoring and Analysis
Canadian institutionsnot available
FundersUniversity of WaterlooAmerican Water Works Association Research FoundationWater Research Foundation
KeywordsTransmittanceUltravioletCollimated lightPhotodissociationMaterials scienceMercury-vapor lampFluenceChemistryDegradation (telecommunications)OptoelectronicsAnalytical Chemistry (journal)OpticsLaserEnvironmental chemistryPhotochemistry

Abstract

fetched live from OpenAlex

A novel approach is presented for using fluence-based rate constants from collimated beam ultraviolet (UV) degradation kinetics to estimate electrical efficiencies for large-scale treatment of chemical contaminants. Atrazine (ATZ) and N-nitrosodimethylamine (NDMA) are given as examples. The relative electrical efficiencies of medium-pressure (MP) and low-pressure (LP) mercury lamps for treating these contaminants estimated from collimated beam data compare favorably with data collected using a bench-scale annular reactor and two different waters. For the water with higher UV transmittance, ATZ degradation was more efficient with the MP lamp by 8%, while for the water with lower transmittance the LP lamp was more efficient by 4%. For NDMA, the LP lamp was more efficient than the MP lamp in both waters tested: it was 29% more efficient in the water with higher transmittance and 58% more efficient in the water with lower transmittance. Key words: chemical treatment, water treatment, ultraviolet radiation, pesticides, photochemical reactions, potable water, electric power demand.

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
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 score0.191
Threshold uncertainty score0.353

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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 head0.009
GPT teacher head0.230
Teacher spread0.221 · 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