Mordenite‐Type Zeolite from Waste Coal Fly Ash: Synthesis, Characterization and Its Application as a Sorbent in Metal Ions Removal
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Coal fly ash is a waste, obtained from the combustion of coal in thermal power plants. Fly ash is harmful and its disposal is the major issue from an environmental point of view. As fly ash contains silica and alumina, it is thought of interest to use it for the synthesis of porous material like zeolite. In this work, the focus is on the utilization of fly ash for the synthesis of Mordenite type zeolite and its application in the toxic metals removal from aqueous solution. Coal fly ash based Mordenite type zeolite (FZS H ) was synthesized by seed assisted hydrothermal synthetic method using fly ash as a source of silica and alumina instead of using pure silica and alumina. The resultant material was characterized by various techniques, such as SEM‐EDX, XRD, TGA, FT‐IR, solid state NMR, BET surface area, etc. The XRD patterns confirm the presence of Mordenite phase in the FZS H zeolite. The sorption behavior of Pb 2+ and Cd 2+ towards commercial Mordenite and FZS H Mordenite type zeolite is investigated and compared. Percentage uptake obtained using FZS H and commercial Mordenite zeolite sorbent was found quite similar. The kinetic and thermodynamic studies reveal the favourable and spontaneous nature of the sorption.
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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) | 0.000 | 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 it