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Record W3005082887 · doi:10.11575/prism/32824

White Graphene Nanostructured Magnetic Sorbents for Oil-spill Cleanup: Synthesis and Performance Evaluation

2018· dissertation· en· W3005082887 on OpenAlexfundno aff
Ramirez Leyva

Bibliographic record

VenuePRISM (University of Calgary) · 2018
Typedissertation
Languageen
FieldMaterials Science
TopicGraphene research and applications
Canadian institutionsnot available
FundersMitacsConsejo Nacional de Ciencia y Tecnología
KeywordsGrapheneOil spillMaterials sciencePetroleum engineeringChemical engineeringNanotechnologyEnvironmental scienceWaste managementEngineering

Abstract

fetched live from OpenAlex

Since hydrocarbons are the world’s main energy source, latent risk for oil spills during extraction, processing and storage must be properly managed and considered for a contingency plan. In the last half century, big catastrophes related to oil spills have caused oil companies millions of dollars in losses. Additionally, the environmental impact can remain for several decades. Existing materials in the market for oil spill cleaning up are considered inefficient as they do not allow an easy oil recovery for further usage. Current technology and materials for oil spill cleaning must be renewed, targeting the production of new materials with high performance and reusability capabilities. In this study, we introduce a facile strategy for manufacturing nanostructured magnetic white graphene sponges and its performance evaluation for effective water cleaning. Optimized synthesis protocol takes into consideration new findings related to the composition and porosity change during the white graphene synthesis steps. The proposed synthesis procedure requires less energy and time compared with similar works reported before. This research introduces two main contributions for the evolution of oil spill cleaning technology. The first one is a procedure for obtaining a powerful material for oil sorption. The second contribution is an objective and trustworthy method for the performance evaluation of magnetic absorbents

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation 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 score0.001
Threshold uncertainty score0.002

Distilled classifier scores by category (both heads)

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)0.0010.000

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 head0.013
GPT teacher head0.236
Teacher spread0.224 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2018
Admission routes1
Has abstractyes

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