Naoki Hiroyoshi

Best Publications

• A review of recent strategies for acid mine drainage prevention and mine tailings recycling.

  Unknown

  686
  Citations

• Arsenic, selenium, boron, lead, cadmium, copper, and zinc in naturally contaminated rocks: A review of their sources, modes of enrichment, mechanisms of release, and mitigation strategies.

  Carlito Baltazar Tabelin;Toshifumi Igarashi;Mylah Villacorte-Tabelin;Ilhwan Park

  515
  Citations

• Enhancement of chalcopyrite leaching by ferrous ions in acidic ferric sulfate solutions

  Naoki Hiroyoshi;Hajime Miki;Tsuyoshi Hirajima;Masami Tsunekawa

  271
  Citations

• Copper and critical metals production from porphyry ores and E-wastes: A review of resource availability, processing/recycling challenges, socio-environmental aspects, and sustainability issues

  Unknown

  252
  Citations

• A model for ferrous-promoted chalcopyrite leaching

  Naoki Hiroyoshi;Hajime Miki;Tsuyoshi Hirajima;Masami Tsunekawa

  223
  Citations

• Influence of relative humidity on fracture toughness of rock: Implications for subcritical crack growth

  Yoshitaka Nara;Kazuya Morimoto;Naoki Hiroyoshi;Tetsuro Yoneda

  201
  Citations

• A new reaction model for the catalytic effect of silver ions on chalcopyrite leaching in sulfuric acid solutions

  Naoki Hiroyoshi;Masatoshi Arai;Hajime Miki;Masami Tsunekawa

  197
  Citations

• Synergistic effect of cupric and ferrous ions on active-passive behavior in anodic dissolution of chalcopyrite in sulfuric acid solutions

  Naoki Hiroyoshi;Shigeto Kuroiwa;Hajime Miki;Masami Tsunekawa

  160
  Citations

• A case of ferrous sulfate addition enhancing chalcopyrite leaching

  Naoki Hiroyoshi;Masahiko Hirota;Tsuyoshi Hirajima;Masami Tsunekawa

  156
  Citations

• Effects of humidity and temperature on subcritical crack growth in sandstone

  Yoshitaka Nara;Yoshitaka Nara;Kazuya Morimoto;Tetsuro Yoneda;Naoki Hiroyoshi

  137
  Citations

• Effect of solution composition on the optimum redox potential for chalcopyrite leaching in sulfuric acid solutions

  Unknown

  126
  Citations

• Effects of relative humidity and temperature on subcritical crack growth in igneous rock

  Yoshitaka Nara;Yoshitaka Nara;Naoki Hiroyoshi;Tetsuro Yoneda;Katsuhiko Kaneko

  107
  Citations

• Ammonium thiosulfate extraction of gold from printed circuit boards (PCBs) of end-of-life mobile phones and its recovery from pregnant leach solution by cementation

  Unknown

  98
  Citations

• Effect of chloride ions on leaching rate of chalcopyrite

  Kyoungkeun Yoo;Soo-kyung Kim;Jae-chun Lee;Mayumi Ito

  93
  Citations

• Gold recovery from shredder light fraction of E-waste recycling plant by flotation-ammonium thiosulfate leaching.

  Unknown

  91
  Citations

• Depression of lead-activated sphalerite by pyrite via galvanic interactions: Implications to the selective flotation of complex sulfide ores

  Unknown

  83
  Citations

• Conventional and recent advances in gravity separation technologies for coal cleaning: A systematic and critical review

  Unknown

  66
  Citations

• A physical separation scheme to improve ammonium thiosulfate leaching of gold by separation of base metals in crushed mobile phones

  Unknown

  66
  Citations

• Carrier-microencapsulation of arsenopyrite using Al-catecholate complex: nature of oxidation products, effects on anodic and cathodic reactions, and coating stability under simulated weathering conditions.

  Unknown

  66
  Citations

• Effects of coexisting metal ions on the redox potential dependence of chalcopyrite leaching in sulfuric acid solutions

  N. Hiroyoshi;S. Kuroiwa;Hajime Miki;M. Tsunekawa

  66
  Citations