Steam Distillation of Acidulated Soapstock and FAME Synthesis
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.
Bibliographic record
Abstract
Use of rapeseed soapstock to produce biodiesel is a sustainable choice, because it deals with waste stream use in biofuel synthesis and lowers the use of food grade oil as fuel feedstock. Rapeseed soapstock was acidulated, and fatty acid and glycerides containing acid oil was separated from water phase. Steam distillation -a mild purification method -was used to separate fatty acids from acid oil. Distilled fatty acids were subjected to sulfuric acid catalyzed esterification with methanol. The chosen reaction conditions were: 65 C temperature, molar ratio of MeOH to FFA 20:1, 7.5 mol% H2SO4, and a reaction time 1 h. Esterification of distilled fatty acids proceeded with 98.3-98.5% conversion to FAME and product yield 93-95% from theoretical. The esterification reaction conditions were determined using lauric acid as model compound, the catalyst concentration was adjusted to be less than usually reported, so to avoid oxidation and side reactions. Use of ultrasound assisted synthesis was elaborated by comparing reaction of lauric acid at 25 C temperature in ultrasonic bath and with stirring. Reaction was faster with stirring than use of ultrasound.
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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) | 0.000 | 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) | 0.000 | 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 it