Arsenate immobilisation and mimetite formation on Pb-modified zeolite under variable aqueous chemistry
Ewa Stępień, Frederik Dunkel, Maciej Manecki, Tomasz Bajda · 2026
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Description
Arsenic in drinking water is a worldwide hazard, and locking it into a nearly insoluble mineral is one way to keep it put. Ewa Stępień, Frederik Dunkel, Maciej Manecki, and Tomasz Bajda studied that locking in 2026 on a lead-loaded zeolite that grows the mineral mimetite at its surface.
In tests across a wide acidity range, arsenate vanished from solution fast, with up to ninety-nine percent immobilized within an hour at near-neutral pH. Acidic water slowed the capture, matching the mineral's lower stability there. Common competing ions barely interfered. The mimetite formed right at the surface, fed by lead released locally. The authors frame the process as a guide for predicting arsenic behavior in natural and engineered waters.
Catalog record
| CREATOR | Ewa Stępień, Frederik Dunkel, Maciej Manecki, Tomasz Bajda |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 112 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |