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Record W2480424902 · doi:10.1002/cjce.22605

Vapour‐liquid equilibrium and distillation scheme for the hydrochloric acid‐ethanol‐water ternary mixture

2016· article· en· W2480424902 on OpenAlexvenueno aff
José Sebastián López Vélez, Izabela Dobrosz‐Gómez, Miguel Ángel Gómez García

Bibliographic record

VenueThe Canadian Journal of Chemical Engineering · 2016
Typearticle
Languageen
FieldChemical Engineering
TopicChemical and Physical Properties in Aqueous Solutions
Canadian institutionsnot available
FundersUniversidad Nacional de Colombia
KeywordsTernary operationReboilerDistillationNon-random two-liquid modelChemistryHydrochloric acidThermodynamicsRelative volatilityEthanolResidue (chemistry)Extractive distillationChromatographyOrganic chemistryActivity coefficientAqueous solutionComputer science

Abstract

fetched live from OpenAlex

Abstract This work reports the Vapour‐Liquid Equilibrium (VLE) data, at 78 kPa, for a HCl‐ethanol‐water ternary mixture at low HCl content (x ≤ 0.137, which corresponds to HCl usual commercial form). The data were adjusted using the electrolyte‐NRTL activity model. The obtained predictions presented an absolute average deviation of 0.853 %. Next, this model was used to construct the residue curve map of the HCl‐ethanol‐water mixture. The analysis of its topology provided a fundamental understanding of the ternary mixture behaviour upon distillation process. Four different separation regions were identified. Finally, based on the residue curve map, a distillation column was designed to accomplish three design constraints: HCl‐water commercial product composition, maximum ethanol recovery for recycle, and minimum energetic duty in the reboiler.

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)0.000
Version: metacan-v3-hybrid-931329e0061cValidation 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 score0.003
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.001

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 head0.010
GPT teacher head0.191
Teacher spread0.180 · 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 designBench or experimental
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

Citations3
Published2016
Admission routes1
Has abstractyes

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