Results 51 to 60 of about 18,311 (249)

Bioleaching of Chalcopyrite-bornite and Chalcopyrite-pyrite Mixed Ores in The Presence of Moderately Thermophilic Microorganisms

International Journal of Electrochemical Science, 2017
In this work, bioleaching of chalcopyrite-pyrite and chalcopyrite-bornite mixed ores in the presence of moderately thermophilic microorganisms (A.caldus, L.ferriphilum and mixed culture) were carried out.
Yulin Huang, Yisheng Zhang, Hongbo Zhao, Yanjun Zhang, Yuming Xiong, Luyuan Zhang, Jun Zhou, Jun Wang, Wenqing Qin, Guanzhou Qiu   +9 more
doaj   +1 more source

Genome mining to unravel potential metabolic pathways linked to gallium bioleaching ability of bacterial mine isolates

Frontiers in Microbiology, 2022
Gallium (Ga) is considered a high-tech Critical Metal, used in the manufacture of several microelectronic components containing either gallium arsenide (GaAs) or gallium nitride (GaN). The current high demand for this critical metal urges the development
Ana Paula Chung, Romeu Francisco, Paula V. Morais, Rita Branco   +3 more
doaj   +1 more source

Insight into the promotion mechanism of humic acid on arsenopyrite bioleaching mediated by Acidithiobacillus ferrooxidans

Results in Engineering
Arsenopyrite is an important gold-bearing sulfide mineral, and pretreatment is essential before gold extraction to maximize gold recovery. Bioleaching, with its advantages of simple operation and environmental friendliness, has received widespread ...
Baojun Yang, Xin Zhang, Yuling Liu, Xin Sun, Yang Liu, Jun Wang, Shitong Liu, Rui Liao, Guanzhou Qiu   +8 more
doaj   +1 more source

Effect of amount of inoculum on the bioleaching of heavy metals from sewage sludge

浙江大学学报. 农业与生命科学版, 2005
Four different amounts of inoculum in mixed sludge, namely 2%, 5%, 10% and 20%, were adopted to investigate the bioleaching of heavy metals from sludge by batch experiment.
HUA Yu-mei, LI Wen-hong, CHEN Ying-xu, TIAN Guang-ming   +3 more
doaj   +1 more source

Removal behavior and chemical speciation distributions of heavy metals in sewage sludge during bioleaching and combined bioleaching/Fenton-like processes

Scientific Reports, 2021
The removal and chemical speciation changes of heavy metals in the sewage sludge during the single bioleaching and combined bioleaching/Fenton-like processes were compared in this study.
Chunsheng Qiu, Shangyu Xie, Nannan Liu, Kequan Meng, Chenchen Wang, Dong Wang, Shaopo Wang   +6 more
doaj   +1 more source

Bioleaching of low grade uranium ore containing pyrite using A. ferrooxidans and A. thiooxidans [PDF]

, 2012
A process of uranium extraction from ore containing 3.1 % pyrite by bacterial leaching was investigated in shaken flasks during 90 days. The highest uranium recovery amounting to 85.1 % was obtained using binary mixture of Acidithiobacillus ferrooxidans ...
Klyushnikov, A. M., Umanskii, A. B.
core   +1 more source

Enhancing gold recovery from electronic waste via lixiviant metabolic engineering in Chromobacterium violaceum [PDF]

, 2013
10.1038/srep02236Scientific ...
A Treumann, C Hagelüken, CJ Knowles, DA Miller, DE Rawlings, F Korte, G Liang, GW Ashley, H Brandl, HT Tan, J Cui, J Laville, JEA Zlosnik, JF Mead, K Hiraga, KC Agarwal, KH Choi, KH Choi, L Valenzuela, MA Faramarzi, MS Carepo, O Tsydenova, PG Sadowski, R Michaels, R Michaels, S Fields, S Ilyas, SC Campbell, SL Camhi, T Yoshida, V Pham, W Krebs, Y Kita, Y Motokawa, Y Xiang   +34 more
core   +1 more source

Biosorption and Bioleaching of Heavy Metals from Electronic Waste Varied with Microbial Genera

Sustainability, 2022
Industrialization and technological advancements have led to the exploitation of natural resources and the production of hazardous wastes, including electronic waste (E-waste).
P. Kaur, Shubhnagini Sharma, F. Albarakaty, A. Kalia, M. F. Madkour Hassan, K. Abd-Elsalam   +5 more
semanticscholar   +1 more source

Electrochemical Dissolution of Chalcopyrite Concentrates in Stirred Reactor in the Presence of Acidithiobacillus ferrooxidans

International Journal of Electrochemical Science, 2015
In this work, a new stirred reactor was designed and then a comparative study of bioleaching using stirred reactor and shake flask was carried out to investigate the bioleaching performance of the new stirred reactor.
Hongbo Zhao, Jun Wang, Wenqing Qin, Minghao Hu, Guanzhou Qiu   +4 more
doaj   +1 more source

Artificial Neural Network Modeling for Prediction of Dynamic Changes in Solution from Bioleaching by Indigenous Acidophilic Bacteria

Applied Sciences, 2020
In this study, indigenous acidophilic bacteria living in mine drainage and hot acidic spring were collected and used for bioleaching experiments. The incubated indigenous acidophilic bacteria were inoculated on various minerals.
Jin-Kyu Kang, Kang-Hee Cho, Song-Bae Kim, Nag-Choul Choi   +3 more
doaj   +1 more source