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Record W2570878535 · doi:10.1177/153567600901400402

Investigation of the Benefits of Using Direct Steam Injection in Effluent Treatment Systems

2009· article· en· W2570878535 on OpenAlex
Diane Gordon, Jay Krishnan, Les Wittmeier, Steven Theriault

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.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueApplied Biosafety · 2009
Typearticle
Languageen
FieldChemical Engineering
TopicChemical Safety and Risk Management
Canadian institutionsPublic Health Agency of Canada
FundersPublic Health Agency of Canada
KeywordsEffluentWaste managementEngineeringEnvironmental scienceProcess engineering

Abstract

fetched live from OpenAlex

In high-containment facilities the treatment of biological waste is very important. Liquid waste from containment level 4 laboratories and containment level 3 laboratories which handle nonindigenous animal pathogens is collected and treated in effluent treatment vessels. These vessels decontaminate the effluent using indirect steam via a steam jacket to heat the liquid to a minimum of 121°C. In some containment facilities the effluent is decontaminated by using direct steam injection to heat the load to the decontamination set point. This method of injecting steam directly into the load has the potential of providing agitation and reducing the amount of time necessary to heat the load to the set point, thereby reducing the processing time and increasing system capacity. To investigate the benefits of direct steam injection, one of the effluent treatment vessels was modified so that direct steam could be used to supplement the indirect heating of the effluent. After functional testing was conducted to ensure the proper operation of the steam injection, tests were conducted to determine the efficacy of decontamination. For these tests the liquid load was spiked with bacterial spores and samples were taken during the warm-up process as well as during the decontamination period to determine when inactivation of the spores was achieved. To date, very little data have been published on the efficacy of effluent treatment vessels or comparing different methods of heating in these vessels.

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 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 score0.243
Threshold uncertainty score0.323

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
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 head0.018
GPT teacher head0.213
Teacher spread0.195 · 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