Naoki Hiroyoshi

Naoki Hiroyoshi publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Naoki Hiroyoshi sits on this spectrum.

Naoki Hiroyoshi D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Naoki Hiroyoshi sits on this spectrum.

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