Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Jose Moreno-Chavez"'
Publikováno v:
Dyna, Vol 87, Iss 215 (2020)
Gold ores associated with carbonaceous matter present several difficulties in their extraction due to the ability of this matter to adsorb the aurocyanide complex from gold pregnant solutions, resulting in low extractions by direct cyanidation. This
Externí odkaz:
https://doaj.org/article/ff2dfe94b84e4898b7eb3bdb0ff0d9df
Autor:
Jose Moreno-Chavez, Marcello M. Veiga, Adriana O. Gonçalves, Robert J. Kaplan, Bruce G. Marshall
Publikováno v:
Journal of Cleaner Production. 165:836-845
Due to the strong price of gold, the number and capacity of gold processing centers in Portovelo-Zaruma in southern Ecuador have increased considerably in recent years. In turn, this has caused increasing environmental pollution of waterbodies with c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cafc651ecbe2ed2cf44979c87d2d241
https://doi.org/10.1016/j.jclepro.2017.07.097
https://doi.org/10.1016/j.jclepro.2017.07.097
Autor:
Jose Moreno-Chavez
Publikováno v:
Journal of the Mexican Chemical Society. 64
The effect of electrolyte concentration and potential determining ions on the coagulation and flocculation of illite, dolomite, and illite-dolomite mixture suspensions was investigated. Electrokinetic measurements, settling rate tests, and viscosity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26832d04860c34a60f13bab1f3ac9403
https://doi.org/10.29356/jmcs.v64i1.720
https://doi.org/10.29356/jmcs.v64i1.720
Autor:
Roberto Noriega Moscoso, Javier Andrés Vásquez Castellano, Jose Moreno-Chavez, Xavier Andrés Medina Veintimilla
Publikováno v:
Proceedings of the 17th LACCEI International Multi-Conference for Engineering, Education, and Technology: “Industry, Innovation, and Infrastructure for Sustainable Cities and Communities”.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbf78a981d82f2ff49fdad388071f87b
https://doi.org/10.18687/laccei2019.1.1.164
https://doi.org/10.18687/laccei2019.1.1.164
Autor:
Daniela Paz-Barzola, Kenny Escobar-Segovia, Bryan Salgado-Almeida, Cindy Goyburo-Chavez, José Moreno-Chavez
Publikováno v:
Dyna, Vol 90, Iss 227 (2023)
Artisanal and small-scale gold mining is an important contributor to global human emissions of Hg. This study assesses the probabilistic human health risk for two receptors groups (residents and workers) of Portovelo mining area through exposure to M
Externí odkaz:
https://doaj.org/article/52202293354843f299a9d154e254acef