Xylanase Treatment of D<sub>0</sub> Pulp to Enhance Bleaching
Bibliographic record
Abstract
Xylanase treatment is used to enhance the bleaching of kraft pulp. This technology is used in 15 mills in North America and enables the mills to bleach pulp while using 10% to 20% less chlorine dioxide or other oxidative chemicals. Xylanase treatment is carried out on brownstock prior to the bleach plant. This treatment location is satisfactory for most mills, but there is an interest in improving the benefits a mill can obtain from xylanase and in treating pulp in mills not amenable to brownstock treatments. This paper describes the xylanase treatment of pulp after the first chlorine dioxide (Do) bleaching stage. Such treatments can take place in neutral wash stages or in the first alkaline extraction stages. There is significant opportunity using xylanase treatments in these stages to obtain a greater benefit than in conventional xylanase treatments of brownstock.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 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) | 0.000 | 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 teacher head, 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".