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Record W2135156975 · doi:10.5539/enrr.v3n1p42

Characterization of Ammonia Removal from Municipal Wastewater Using Microwave Energy: Batch Experiment

2012· article· en· W2135156975 on OpenAlex

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.

venuePublished in a venue whose home country is Canada.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueEnvironment and Natural Resources Research · 2012
Typearticle
Languageen
FieldChemical Engineering
TopicAmmonia Synthesis and Nitrogen Reduction
Canadian institutionsnot available
Fundersnot available
KeywordsWastewaterAmmoniaChemistryMicrowavePulp and paper industryNitrogenEnvironmental chemistryNuclear chemistryEnvironmental scienceEnvironmental engineeringOrganic chemistry

Abstract

fetched live from OpenAlex

This study investigates the characteristics of ammonia removal from municipal wastewater using microwave radiation (MW). Synthetic and real wastewater samples were heated in batch reactors by MW radiation and ammonia removal efficiency was tested under variable conditions. The effects of initial ammonia concentration, pH, and radiation time on ammonia removal efficiency were investigated. Radiation time and pH showed significant influence on the removal of ammonia nitrogen with lower influence of the initial ammonia concentration. The highest ammonia removal efficiency achieved was 91.1 ±0.8% and 90.5 ±1.2% for synthetic and real wastewaters, respectively. The highest efficiency in both cases was achieved at a pH of 11 with 4 minutes of MW radiation. Comparing the results of this study with the work of others, it was found that ammonia removal efficiency from municipal wastewater that normally has low initial ammonia concentration is less than its removal efficiency from industrial wastewater that has initial ammonia concentrations in the range of 500-12000 mg NH3-N/L. It is concluded from this study that MW radiation is an effective method for the removal of ammonia nitrogen from municipal wastewater.

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.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.013
Threshold uncertainty score0.481

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.032
GPT teacher head0.268
Teacher spread0.237 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it