Devices for Water and Air Purification
Bibliographic record
Abstract
The first part of this Chapter describes the photocatalytic processes and photoreactors developed for water purification at industrial or pilot plant level. The first European industrial detoxification plant, based on compound parabolic solar collectors, treats pesticides contained in water in a batch photoreactor by coupling photocatalysis and photo Fenton methods. In order to degrade free cyanide ions contained in power plant waste water, a continuously stirred tank photoreactor at pilot plant level was designed, constructed and tested. The Chemical Reactor Engineering Centre of the University of Western Ontario (Canada) designed and constructed photocatalytic reactors (either for gas-solid or liquid-solid regime) under the optimality criteria of improved efficiency and improved irradiation of the photocatalyst. UBE Group (Japan) has successfully developed a photocatalytic fiber which contains titania photocatalyst so that it is able of oxidizing and decomposing organic substances. The photocatalytic method has attracted the attention of industry devoted to produce apparatuses for air conditioning, being in this case the objective that of purifying the indoor air of homes, hospitals, farms, etc. In some purifying apparatuses the photocatalytic method is coupled with the generation of negative or positive air ions. The second part of the Chapter describes some of commercial apparatuses, both photocatalytic and photocatalytic/ionizer.
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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) | 0.000 | 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) | 0.002 | 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".