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Evaluation and Prediction of Energy Content of Municipal Solid Waste: A review

2021· review· en· W3159184250 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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueIOP Conference Series Materials Science and Engineering · 2021
Typereview
Languageen
FieldEnvironmental Science
TopicMunicipal Solid Waste Management
Canadian institutionsMount Royal University
Fundersnot available
KeywordsMunicipal solid wastePredictive modellingEnergy recoveryHeat of combustionLinear regressionRegression analysisEnvironmental scienceWaste managementEnergy (signal processing)Resource recoveryWaste-to-energyComputer scienceProcess engineeringEngineeringMathematicsEnvironmental engineeringMachine learningStatisticsWastewaterChemistryCombustion

Abstract

fetched live from OpenAlex

Abstract Researches in the literature have unveiled the potential of resource and energy recovery from waste, it can therefore no longer be regarded as trash. This study reviews the literature to evaluate and analyses studies which estimated the experimental heating value of waste and the theoretical energy potential recoverable from waste through thermochemical and biochemical routes at different case studies. It was observed in this study that most developing countries are not exploiting the full potential of energy recoverable from waste. Models developed to predict the energy content of municipal solid waste (MSW) based on the elemental analysis, proximate analysis and physical composition were evaluated. A comparative analysis of the energy prediction models was also done. Artificial neural network (ANN) and multiple linear regressions found more applications in energy prediction. Energy prediction based on ultimate analysis using the elemental composition of the waste was predominant and are the most accurate; while proximate analysis based predictions were the least. The prediction accuracy of ANN is greater than the linear regression in the forecast of the energy content of MSW. However, a major limitation in the use of these modelling techniques was identified. Most of the generalized models may not capture the peculiarity of the waste generated at a particular place or municipality and therefore may not be very accurate for specific applications at some municipalities.

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)0.002
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: Other design · Consensus signal: none
GenreCandidate signal: Review · Consensus signal: Review
Teacher disagreement score0.891
Threshold uncertainty score0.964

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0000.001
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 head0.081
GPT teacher head0.292
Teacher spread0.211 · 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