Results 51 to 60 of about 1,142 (184)

Bioleaching of Low Grade Uranium Ore of Saghand Mine [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2011
This study deals with bioleaching of the low grade uranium ore of Saghand mine in Iran using a mixed culture of mesophilic bacteria (Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans and Leptospirillum ferrooxidans).
Mahmoud Abdollahy, Sayed Abbas Shojaosadati, Hasan Zare Tavakoli, Ali Valivand   +3 more
doaj  

Optimization of Biodesulfurization of sour heavy crude oil.

PLoS ONE, 2023
Biodesulfurization of fossil fuels is a promising method for treating the sour oil due to its environmental friendliness and ability to get rid of the recalcitrant organosulfur compounds.
Wisam Mohammed Kareem Al-Khazaali, Seyed Ahmad Ataei   +1 more
doaj   +1 more source

Adaptación de las cepas de Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans y Leptospirillum ferrooxidans en el concentrado de esfalerita de residuos mineros

, 2019
One of the main characteristics of the microorganisms used in the leaching process is their capacity to adapt to aggressive environments, characterized by a notable presence of heavy metals.
Miranda Arroyave, Lina M., Ocampo Carmona, Luz Marina, Márquez Godoy, Marco Antonio   +2 more
core   +1 more source

The Effect of Funneliformis mosseae Fungus and Acidithiobacillus Application on Some Biochemical Metabolites of Maize (Zea mays L.) Exposed to Salinity Stress [PDF]

مجله آب و خاک
Introduction Saline soils resulting from natural and/or anthropogenic processes are very diverse and widely distributed under all climates. Soil salinity as a serious environmental problem has negative effects on plant growth and development in arid and ...
J. Al-Jomah, A. Halajnia, A. Lakzian, A.R. Astaraei   +3 more
doaj   +1 more source

Sulfur Oxygenase Reductase (Sor) in the Moderately Thermoacidophilic Leaching Bacteria: Studies in Sulfobacillus thermosulfidooxidans and Acidithiobacillus caldus

Microorganisms, 2015
The sulfur oxygenase reductase (Sor) catalyzes the oxygen dependent disproportionation of elemental sulfur, producing sulfite, thiosulfate and sulfide.
Claudia Janosch, Francisco Remonsellez, Wolfgang Sand, Mario Vera   +3 more
doaj   +1 more source

Microbial Deterioration Potential and Mitigation Strategies in Blended Cement Structures: A Review

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
Microbial‐induced deterioration (MID) is a threat to the durability of cement‐based materials (CBMs) particularly in sewer and wastewater systems. Whereas blended cements incorporating supplementary cementitious materials (SCMs) offer environmental benefits such as reduced carbon (IV) oxide (CO2) emissions and enhanced mechanical performance, their ...
Beatrice Wanjiru Mwangi, Genson Murithi, Reginah Ngari, Jackson Muthengia, Nancy Mweni Paul, Li Qingchao   +5 more
wiley   +1 more source

Influences of extracellular polymeric substances on the dewaterability of sewage sludge during bioleaching. [PDF]

PLoS ONE, 2014
Extracellular polymeric substances (EPS) play important roles in regulating the dewaterability of sludge. This study sought to elucidate the influence of EPS on the dewaterability of sludge during bioleaching process.
Jun Zhou, Guanyu Zheng, Xueying Zhang, Lixiang Zhou   +3 more
doaj   +1 more source

Novel Approaches for Biocorrosion Mitigation in Sewer Systems

Chemistry, 2021
Concrete sewer pipes can be corroded by the biogenic sulfuric acid (H2SO4) generated from microbiological activities in a process called biocorrosion or microbiologically induced corrosion (MIC).
Georgios Fytianos, Dimitra Banti, Esmeralda Dushku, Efthimios Papastergiadis, Minas Yiangou, Petros Samaras   +5 more
doaj   +1 more source

Bioleaching of a low grade sphalerite concentrate produced from flotation tailings [PDF]

International Journal of Mining and Geo-Engineering, 2016
In this research work, the zinc extraction was investigated, using bioleaching process from a low grade zinc concentrate which was produced from the accumulated flotation tailings.
Javad Mehrabani, Seyyed Ziaadin Shafaei, Mohammad Noaparast, Mohammad Mousavi   +3 more
doaj   +1 more source

Fast pH‐Driven Solubilization Method of Realgar (As4S4) to Reduce the Toxicity of Arsenic [As(III)] for Medicinal Purposes

Advanced Science, Volume 12, Issue 29, August 7, 2025.
Arsenic trioxide transformed acute promyelocytic leukemia therapy and shows promise against HIV. A new method to solubilize the mineral realgar produces different arsenic species depleting the main arsenic target, nuclear PML protein, and retaining effects on leukemic and HIV reservoir cells, while minimizing off‐target damage.
Bojana Lucic, Douglas Santana Franciscato, Helton Pereira Nogueira, Lara Gallucci, Alceu Totti Silveira Junior, Asmaa Mohamed Ismail, Millie Robinson, Teresa Dallinger, Claudia Gutfleisch, Jochen Kurz, Maytê Toledo, Jessica Dias da Silva Ferraz, Mohammad Tarek, Danilo Dias, Ricardo Sobhie Diaz, Mahmoud ElHefnawi, Mattia Forcato, Hugo P Monteiro, Marina Lusic, Iart Luca Shytaj, Andrea Savarino   +20 more
wiley   +1 more source