Piloting the Australian magnesium process
Bibliographic record
Abstract
This paper describes the piloting process that was behind Australian Magnesium Corporation Limited decision to build a 97 000 t per annum magnesium smelter near Rockhampton in Queensland, Australia in 2001.Before the engineering design for this smelter, Australian Magnesium Corporation Ltd had completed an extensive piloting program. This involved a batch minipilot plant in 1993 which was followed by a continuous minipilot plant which operated for eight months in 1994. Finally, a 1500 t per annum demonstration plant was built and operated at Gladstone in Queensland between 1998 and 2002. The minipilot plants assessed the stability of the chemicals used in the process, the solvent losses, the crystallisation yields and also tested the viability of operations previously only tested on a laboratory scale. The demonstration plant was designed to evaluate the complete integration of the process, assess the effectiveness of the selected industrial scale equipment and materials of construction while providing information for a bankable feasibility study.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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.
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".