@article{longbutsri2026hydrometallurgical,
  title={Hydrometallurgical Valorization of Strontium Ferrite Magnet Sludge for the Selective Production of High-Purity Hematite ($\alpha$-Fe2O3) and Strontium Carbonate (SrCO3)},
  author={Longbutsri, Chaiyasit and Yingnakorn, Tanongsak and Kansomket, Chatisa and Chandakhiaw, Thanapon and Somla, Sirunya and Ma-Ud, Natthicha and Rabeea, Muwafaq A and Khumkoa, Sakhob},
  journal={Current Research in Green and Sustainable Chemistry},
  pages={100507},
  year={2026},
  publisher={Elsevier}
}

@article{wongnaree2025recovery,
  title={Recovery of valuable metals from leached solutions of black mass through precipitation method},
  author={Wongnaree, Natcha and Yingnakorn, Tanongsak and Ma-Ud, Natthicha and Sriklang, Loeslakkhana and Khumkoa, Sakhob},
  journal={Results in Engineering},
  volume={25},
  pages={104190},
  year={2025},
  publisher={Elsevier}
}

@article{khumkoa2024tin,
  title={Tin, silver, and copper sulfate compound extraction from lead-free solder dross by reduction with petroleum coke, electrorefining, cementation, and crystallization process},
  author={KHUMKOA, Sakhob and Natthicha, MA-UD and PATCHARAWIT, Tapany and YINGNAKORN, Tanongsak},
  journal={Journal of Metals, Materials and Minerals},
  volume={34},
  number={4},
  pages={2007--2007},
  year={2024}
}

@article{laokhen2022recovery,
  title={Recovery of nickel from spent electroplating solution by hydrometallurgical and electrometallurgical process},
  author={LAOKHEN, Piamsak and Natthicha, MA-UD and YINGNAKORN, Tanongsak and PATCHARAWIT, Tapany and KHUMKOA, Sakhob},
  journal={Journal of Metals, Materials and Minerals},
  volume={32},
  number={2},
  pages={95--100},
  year={2022}
}

@inproceedings{kansomket2020study,
  title={Study on Leaching of Molybdenum from a Spent HDS Catalyst},
  author={Kansomket, Chatisa and Chandakhiaw, Thanapon and Ma-ud, Natthicha and Yingnakorn, Tanongsak and Patcharawit, Tapany and Khumkoa, Sakhob},
  booktitle={Materials Science Forum},
  volume={1009},
  pages={143--148},
  year={2020},
  organization={Trans Tech Publ}
}

@inproceedings{wongnaree2020recovery,
  title={Recovery of silver from solar panel waste: An experimental study},
  author={Wongnaree, Natcha and Kritsarikun, Woranittha and Ma-ud, Natthicha and Kansomket, Chatisa and Udomphol, Tapany and Khumkoa, Sakhob},
  booktitle={Materials Science Forum},
  volume={1009},
  pages={137--142},
  year={2020},
  organization={Trans Tech Publications Ltd}
}

@article{ma2019recycling,
  title={Recycling of Galvanic Copper Sludge for Pure Copper Production},
  author={Ma-ud, N and Khumkoa, S and Buahombura, P and Piyawit, W and Patcharawit, T and others},
  journal={J Material Sci Eng},
  volume={8},
  number={540},
  pages={2},
  year={2019}
}

@article{ma2019study,
  title={Study on recycling of galvanic sludge containing copper for pure copper production},
  author={Ma-ud, N and Khumkoa, S and Buahombura, P and Piyawit, W and Patcharawit, T and Thongnak, S and Yingnakorn, T},
  journal={Journal of Material Sciences \& Engineering},
  volume={8},
  number={2169-0022},
  year={2019}
}

@article{wongnareeresults,
  title={Results in Engineering},
  author={Wongnaree, Natcha and Yingnakorn, Tanongsak and Ma-Ud, Natthicha and Sriklang, Loeslakkhana and Khumkoa, Sakhob}
}

@article{longbutsricurrent,
  title={Current Research in Green and Sustainable Chemistry},
  author={Longbutsri, Chaiyasit and Yingnakorn, Tanongsak and Chandakhiaw, Thanapon and Kansomket, Chatisa and Somla, Sirunya and Ma-Ud, Natthicha and Rabeea, Muwafaq A and Patcharawit, Tapany and Khumkoa, Sakhob}
}