Results 31 to 40 of about 1,142 (184)

Bioleaching of Transition Metals From Limonitic Laterite Deposits and Reassessment of the Multiple Roles of Sulfur-Oxidizing Acidophiles in the Process

Frontiers in Microbiology, 2021
Using acidophilic bacteria to catalyze the reductive dissolution of oxidized minerals is an innovative process that facilitates the extraction of valuable base metals (principally cobalt and nickel) from limonites, which are otherwise often regarded as ...
D. Barrie Johnson, D. Barrie Johnson, Sarah L. Smith, Ana Laura Santos   +3 more
doaj   +1 more source

Metall‐Recycling mittels Biohydrometallurgie Metal Recycling via Biohydrometallurgy

Chemie Ingenieur Technik, Volume 95, Issue 12, Page 1897-1908, Dezember 2023., 2023
Die Biohydrometallurgie nutzt Mikroorganismen zur Metallextraktion und wird bereits erfolgreich zur industriellen Gewinnung von Kupfer und Gold aus Primärerzen eingesetzt. Für das Recycling von Metallen aus verschiedenen Reststoffen zeigen vielversprechende Laborversuche zur Biolaugung Perspektiven auf.
Sabrina Hedrich, Mareike Fritze, Axel Schippers   +2 more
wiley   +1 more source

Progress and prospect on the recycling of spent lithium‐ion batteries: Ending is beginning

Carbon Neutralization, Volume 1, Issue 3, Page 247-266, December 2022., 2022
This review sheds light on current challenges and prospects for future directions by summarizing current mainstream approaches and emerging ideas in the recycling of spent lithium‐ion batteries. The pattern of battery recycling and reuse will drive a paradigm shift in waste lithium battery processing technology, and ultimately achieve carbon ...
Jia‐Lin Yang, Xin‐Xin Zhao, Ming‐Yang Ma, Yan Liu, Jing‐Ping Zhang, Xing‐Long Wu   +5 more
wiley   +1 more source

Rock phosphate solubilization by abiotic and fungal‐produced oxalic acid: reaction parameters and bioleaching potential

Microbial Biotechnology, Volume 15, Issue 4, Page 1189-1202, April 2022., 2022
This research investigates the extraction of phosphate from rock phosphate by abiotic and fungal‐produced oxalic acid. Complete P extraction was achieved at stoichiometric proportions of apatite and oxalic acid, with up to 75% P released in less than 1 h.
Gilberto de Oliveira Mendes, Thomas Dyer, Laszlo Csetenyi, Geoffrey Michael Gadd   +3 more
wiley   +1 more source

Differentiation Of Acidithiobacillus Ferrooxidans And A. Thiooxidans Strains Based On 16s-23s Rdna Spacer Polymorphism Analysis.

, 2015
Restriction fragment length polymorphism (RFLP) and sequence analyses of the PCR-amplified 16S-23S rDNA intergenic spacer (ITS) were used for differentiating Acidithiobacillus thiooxidans strains from other related acidithiobacilli, including A ...
Paulino, Luciana C, Manfio, Gilson P, Bergamo, Rogério F, Novo, Maria Teresa M, Prado, Paulo Inácio, Sato, Maria Inês Z, Ottoboni, Laura M M, Stoppe, Nancy C, Veríssimo, Ricardo V, Garcia, Oswaldo   +9 more
core   +3 more sources

Influence Of Used Bacterial Culture On Zinc And Aluminium Bioleaching From Printed Circuit Boards

Nova Biotechnologica et Chimica, 2015
Bioleaching processes were used to solubilize metals (Cu, Ni, Zn and Al) from printed circuit boards (PCBs). In this study, a PCBs-adapted pure culture of Acidithiobacillus ferrooxidans, pure culture of Acidithiobacillus thiooxidans and PCBs-adapted ...
Mrazikova Anna, Marcincakova Renata, Kadukova Jana, Velgosova Oksana, Balintova Magdalena   +4 more
doaj   +1 more source

Biologically engineered microbes for bioremediation of electronic waste: Wayposts, challenges and future directions

Engineering Biology, Volume 6, Issue 1, Page 23-34, March 2022., 2022
Abstract In the face of a burgeoning stream of e‐waste globally, e‐waste recycling becomes increasingly imperative, not only to mitigate the environmental and health risks it poses but also as an urban mining strategy for resource recovery of precious metals, rare Earth elements, and even plastics.
Ping Han, Wei Zhe Teo, Wen Shan Yew
wiley   +1 more source

Microbial leaching of marmatite by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans

Transactions of Nonferrous Metals Society of China, 2006
The bioleaching of marmatite in shaken flasks was studied. After leaching for 29 days, the leaching ratio of zinc was 91%. Three kinds of bacteria, mixture-based bacteria, 9K-based bacteria and sulfur-based bacteria were used in marmatite leaching, of which the mixture-based bacteria have the best leaching result while the sulfur-based bacteria have ...
Jun WANG, Guan-zhou QIU, Wen-qing QIN, Yan-sheng ZHANG   +3 more
openaire   +1 more source

Effects of Lysinibacillus sphaericus on Physicomechanical and Chemical Performance of OPC Blended with Natural Tuff and Pulverized Fly Ash

Advances in Materials Science and Engineering, Volume 2022, Issue 1, 2022., 2022
This paper reports study findings on the use of Lysinibacillus sphaericus (at 1.0 × 107 cells/ml concentration) to enhance and improve the physicomechanical and chemical properties of blended Ordinary Portland Cement (OPC). Blending was done separately with pulverized fly ash (PFA) and natural pozzolana (volcanic tuff) at substitution levels of 10%, 20%
Kelvin Mwangi Wanjiku, Jackson Wachira Muthengia, Joanne Ogunah, Daniel Karanja Mutitu, John Kinuthia, Romano Mwirichia, Joseph Karanja Thiong’o, Munyao Onesmus Mulwa, Muriithi Genson, Peter Waithaka, David Musyoki Munyao, Robert Černý   +11 more
wiley   +1 more source

Sulfur enhancement effects for uranium bioleaching in column reactors from a refractory uranium ore

Frontiers in Microbiology, 2023
The feasibility of sulfur enhancement for uranium bioleaching in column reactors was assessed with a designed mixed Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans and Leptospirillum ferriphilum from a refractory uranium ore.
Qian Li, Qian Li, Yu Yang, Yu Yang, Jinfang Ma, Jinfang Ma, Jing Sun, Jing Sun, Guangyue Li, Guangyue Li, Ruiyong Zhang, Ruiyong Zhang, Zhao Cui, Zhao Cui, Ting Li, Ting Li, Xiaobei Liu, Xiaobei Liu   +17 more
doaj   +1 more source