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May 26, 2026MiningOpen Access

Nanostarch-Based Sustainable Depressants for Phosphate Flotation: Synthesis, Characterization, and Performance Evaluation

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Authors

APAugusto Henrique Lacerda PaivaMGMário GuimarãesMAMatheus Moreira De Almeida

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Overview

Randomized trial evaluates selectivity of sustainable nanostarch depressants in phosphate flotation, suggesting eco-friendly alternatives.

Key Points

  • The aim is to evaluate the selective performance of starch nanostructures as sustainable depressants in phosphate flotation.
  • Nanostarch synthesized from potato pulp via acid hydrolysis, centrifugation, and sonication.
  • Physicochemical characterization of the nanostructures was performed.
  • Microflotation tests conducted using pure minerals under alkaline conditions.
  • Nanostarch depressant showed a 77% difference in flotation recovery between apatite and calcite.
  • Particle diameters of synthesized nanostarch ranged from 179 to 443.6 nm.
  • Indicated potential for a sustainable approach in mineral processing.

Cite This Study

Paiva et al. (2026) studied this question.

synapsesocial.com/papers/6a153a88b5d9c58d83e8d136https://doi.org/10.3390/mining6020036
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