Results 71 to 80 of about 976 (183)

Arsenopyrite removal from pyrite concentrate using pulsating high gradient magnetic separation

Results in Physics, 2018
Pyrite concentrate has been the mineral resource for sulfur acid production in China, and arsenopyrite as one of the arsenic-containing minerals, was usually found in the pyrite ores, resulting in the serious environmental problems in the production ...
Fangping Ye, Jintie Liu, Tao Xiong, Meifang Xie   +3 more
doaj   +1 more source

Quantitative determination of elemental sulfur at the arsenopyrite surface after oxidation by ferric iron: mechanistic implications

Geochemical Transactions, 2001
The elemental sulfur formed at the arsenopyrite surface after oxidation by ferric iron was quantitatively measured by extraction in perchloroethylene and subsequent quantitative analysis by HPLC.
Hamers Robert J, Banfield Jillian F, McGuire Molly M   +2 more
doaj   +1 more source

Flotation of Sulphide Minerals Using Organosolv Lignin as Collector—Pilot-Scale Trials

Materials Proceedings
The use of toxic chemicals as flotation reagents raises concerns about the sustainability of the process and its environmental impact. Xanthates are a family of efficient collectors that find application in the selective recovery of lead, gold and zinc ...
Panagiotis M. Angelopoulos, Georgios Anastassakis, Nikolaos Kountouris, Maria Taxiarchou, Effrosyni Koutsotheodorou, Tilemachos Pefkos, Vasileios Klepkos, Christina Samara, Giorgos Mprokos   +8 more
doaj   +1 more source

The Au-Hosting Minerals and Process of Formation of the Carlin-Type Bojitian Deposit, Southwestern China

Geofluids, 2017
The recently discovered middle-sized Bojitian Carlin-type Au deposit is located in southwestern Guizhou Province, China, near the well-known Shuiyindong super-large-sized deposit.
Kai Hu, Moucheng Pan, Jian Cao, Yin Liu, Shanchu Han   +4 more
doaj   +1 more source

Enhanced Recovery of an Arsenopyrite-Type Gold Ore: Flotation Surface Chemistry and Kinetics of Blended Collector W8 with ADD

Colloids and Interfaces
This study investigated the flotation performance of W8, a blended xanthate collector containing ethyl, butyl, propyl, and amyl xanthates, combined with ammonium dibutyl dithiophosphate (ADD) for treating low-grade arsenopyrite-type gold ore from Golmud,
Qingqing Xing, Fei Li, Pingtian Ming, Zhen Wang   +3 more
doaj   +1 more source

The Paleo-Tethys subduction and related mineralization in the SW Yangtze Block: Evidence from the Zhesang Carlin-type gold deposit

Geosystems and Geoenvironment
The Zhesang gold deposit is a Carlin-type gold deposit located in the “Golden Triangle” structural belt of Yunnan-Guizhou-Guangxi. Pyrite and arsenopyrite are important gold-bearing minerals of the deposit.
Hui-Dong Yu, Li-Ming Yu, Nuru Said, Chang-Cheng Huang, Jiang-Han Wu, Chun-Mei Liu, Hai-Feng Chen, Hao Zou   +7 more
doaj   +1 more source

Shifts in the Microbial Populations of Bioleach Reactors Are Determined by Carbon Sources and Temperature. [PDF]

Biology (Basel), 2023
Bulaev A, Kadnikov V, Elkina Y, Beletsky A, Melamud V, Ravin N, Mardanov A.   +6 more
europepmc   +1 more source

COMPARATIVE ANALYSIS OF THE PROPERTIES OF NANORELIEF VARIOUS GOLD-BEARING SULPHIDES

RUDN Journal of Engineering Research, 2016
The results of a comparative analysis of the different properties of nanorelief gold sulfides are presented. The morphology and microtopography of auriferous pyrite and arsenopyrite are described.
A E Vorob’ev, Honore Tcharo
doaj  

Transcriptomic Analysis of the Strain <i>Acidiplasma</i> sp. YE-1 During the Oxidation of Sulfide Minerals Pyrite and Arsenopyrite. [PDF]

Int J Mol Sci
Bulaev A, Kadnikov V, Elkina Y, Beletsky A, Artykova A, Kolosoff A, Ravin N, Mardanov A.   +7 more
europepmc   +1 more source

Decoding Variants of Pyrite, Arsenopyrite, and Marcasite Using an Electron Counting Rule. [PDF]

Angew Chem Int Ed Engl
Witthaut K, Kreiner S, Johrendt D.
europepmc   +1 more source