Degradation of textile dyes under subcritical water conditions in the presence of hydrogen peroxide
Bibliographic record
Abstract
Abstract Decolourisation and decomposition of acid orange 7 as a model for textile wastewater was performed under subcritical water conditions in the presence of hydrogen peroxide. Hydrogen peroxide showed very efficient activity for decolourisation of AO7. Complete decolourisation temperature of AO7 declined from 275 to 135°C when a sufficient amount of hydrogen peroxide was used in the reaction medium. The effects of several other parameters were also investigated. Reaction time as well as the initial amount of hydrogen peroxide showed great effect on the decolourisation and decomposition reactions. At the higher temperatures, it was found utilising UV/Vis scanning spectra that the dye decomposed into very small molecules and gaseous products; consequently, total organic carbon (TOC) amount of the solutions after subcritical water treatment significantly declined. The reactions carried out without formation of any solid materials. At the optimum conditions treatment of several different types of dyes were also investigated.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".