ECTFE and MFA: Less Permeation and More Safety in Sodium Chlorate Plants
Bibliographic record
Abstract
Abstract The dual laminate, poly (ethylene-chlorotrifluoroethylene) / fiber-reinforced plastic (ECTFE/FRP), has proven successful in providing leak-free performance in many sodium chlorate manufacturing plants. ETCFE/FRP chlorate electrolytic cells, gas collectors, pipes, and chlorine scrubbers have operated for over eighteen years, outlasting titanium in similar applications. ECTFE-lined steel pipes have replaced CPVC, FEP, PVDF and other corrosion-resistant polymers due to ECTFE low permeability in hydrogen gas lines at temperatures as high as 95°C. A new fluoropolymer, poly (perfluoromethylvinyl ether-tetrafluoroethylene) (MFA), has been introduced for scrubbers and chlorate cells. MFA offers increased corrosion protection against high chlorine concentrations at elevated temperatures and is ideal for most sodium chlorate and chlor-alkali applications.
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 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) | 0.006 | 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".