Results 41 to 50 of about 212,822 (309)
Gold Recovery from a Gold Tailing by Floatation and Thiourea Leaching [PDF]
Proceedings of the 2nd Annual International Conference on Advanced Material Engineering (AME 2016), 2016 With the feature of high pyrite, high gold, fine gold dissemination in a gold tailing, experimental studies of floatation and thiourea leaching were carried out on a gold ore. The results showed that single floatation or thiourea leaching process was not suitable for this tailing.
Yong Chen +4 more
openaire +1 more source
The dissolution of gold colloids in aqueous thiosulfate solutions [PDF]
, 2008 The kinetics of the dissolution of gold and silver colloids in ammoniacal thiosulfate solutions has been studied using oxygen, copper(II) or oxygenated copper(II) as oxidants at pH 9 - 11 and temperature 22oC to 48oC.
Zhang, Xinmin
core +1 more source
Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation
FEBS Letters, EarlyView.Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe +3 more
wiley +1 more source
Reclaiming Gold from Integrated Circuits Waste via a Sustainable Physic-Hydrometallurgical Approach
RecyclingIntegrated circuits (ICs), a major fraction of waste electrical and electronic equipment (WEEE), represent an important secondary source of gold (Au). However, recovering high-purity Au from ICs remains challenging due to the high silicon dioxide content
Márcia A. D. Silva +4 more
doaj +1 more source
Research on the Efficient Recovery Technology of Gold Mineral in an Oxidized Ore [PDF]
E3S Web of ConferencesIn view of the characteristics of high content of gold minerals in limonite and great difficulty of flotation recovery, the research on process mineralogy and efficient recovery technology was carried out respectively.
Ji Qiang +4 more
doaj +1 more source
FEBS Letters, EarlyView.Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil +4 more
wiley +1 more source
GOLD RECOVERY FROM WASTE PRINTED CIRCUIT BOARD IODIDE LEACHATES USING A NOVEL MEMBRANE-BASED ELECTROWINING PROCESS [PDF]
The hydrometallurgical recovery of gold from waste printed circuit boards is considered a promising recycling technique. This paper presents the findings from a study investigating the feasibility of a hydrometallurgical technique to recover gold from ...
Thandazile , Moyo +2 more
core +1 more source
Lessons from the 1930s Great Depression [PDF]
, 2010 This paper provides a survey of the Great Depression comprising both a narrative account and a detailed review of the empirical evidence, focusing especially on the experience of the United States.
Peter Fearon +3 more
core +1 more source
ElectrochemistryWe have developed a gold recovery method utilizing the thiosulfate leaching and cementation onto silicon (Si) powder. In this process, copper (oxidizing agent for gold dissolution) was also recovered after gold recovery. In this work, we tried to monitor
Yuna IWAI +3 more
doaj +1 more source
Equilibrium, 2023 Gold is a very important metal in human life. Most gold is processed using the sodium cyanide (NaCN) leaching method. Maximizing the leaching recovery can be done by optimizing the leaching process parameters, one of which varies the concentration of ...
Frideni Yushandiana Putri GF +2 more
doaj +1 more source