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Record W3216265260

Re-Use of Sewage for Toilets & Truck Washing at Truck Stops

2009· article· en· W3216265260 on OpenAlexaff
E. Craig Jowett, Glenn Pembleton, D.E. Harsch, Martin Sommer, Dave Defoort

Bibliographic record

VenueSSRN Electronic Journal · 2009
Typearticle
Languageen
FieldChemical Engineering
TopicOdor and Emission Control Technologies
Canadian institutionsUniversity of Waterloo
Fundersnot available
KeywordsWaste managementTruckEnvironmental scienceSewageEffluentSeptic tankAerationFiltration (mathematics)Environmental engineeringFoulingEngineeringChemistry
DOInot available

Abstract

fetched live from OpenAlex

Treating sewage on-site at commercial sites is challenging due to presence of high-strength organics and use of chemical cleaners. When the treated sewage is re-used immediately for toilets or truck washing, excellent treatment must occur and it must be sustainable for health and safety reasons. Designs and operational data for two busy truck stops are presented that incorporate exterior grease traps, septic tanks, absorbent trickle filter aeration, and disinfection. A ‘dead-end’ tank for off-site treatment of anti-septic chemicals is used at one site to ease treatment. At the other, filtration-ozonation and chlorine addition is used to remove colour and to prevent microbial fouling of interior plumbing. Dual plumbing to separate potable and reclaimed water is built into this facility. Analytical results of treated effluent from both facilities are well within regulatory objectives, including colour and odour aesthetics, enabling regulatory agencies to decrease monitoring costs and encourage more re-use.

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.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.012
Threshold uncertainty score0.040

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0020.001
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0120.004

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 head0.015
GPT teacher head0.245
Teacher spread0.230 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2009
Admission routes1
Has abstractyes

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