Results 121 to 130 of about 405,346 (229)

From extraction to closed-loop recovery: recent advances in ionic-liquid-based recycling of platinum-group metals. [PDF]

RSC Adv
El-Maghrabey M, Abourehab MAS, Abdel-Hakim A, Hetta HF, Hashem HM, El-Shaheny R.   +5 more
europepmc   +1 more source

Occurrence modes of gold and relevant analytical methodologies. [PDF]

RSC Adv
Li D, Zhang X, Zhang L, Fang P, Feng L, Wang J, Zhang Z.   +6 more
europepmc   +1 more source

Selective Gold Recovery from Waste Electronics: A Speciation-Based Recycling Approach. [PDF]

Materials (Basel)
Ormuž JK, Žmak I, Ćurković L.
europepmc   +1 more source

A complete scheme of treatment of gold-bearing ores for gold recovery by thiourea leaching

, 1997
The scope of this experimental work was devoted to the preliminary evaluation of the feasibility of thiourea leaching for the extraction of gold from gold-bearing ores, at laboratory scale. The study has permitted to identify the influence of temperature,
CAbbruzzese, PFornari, SUbaldini, RMassidda   +3 more
core  

Reclaiming Ruthenium: A Comprehensive Review of Hydrometallurgical Strategies for Precious Metal Recovery. [PDF]

Materials (Basel)
Rudnik E.
europepmc   +1 more source

Advantages of natural brown coal application for sorption treatment and cleaning of pregnant solutions after thiourea leaching

, 1991
peer reviewedThe possibility for metals sorption on native brown coal has been tested using pregnant solutions obtained aftet thiourea leaching of flotation wastes. Two stage sorption flowsheet has been designed.
Gaydardzhiev, Stoyan
core  

High efficiency gold extraction by 2D metallic 1T/1T' phase transition metal dichalcogenides. [PDF]

Nat Commun
Mei L, Sun M, Yang R, Ying T, Yan R, Zheng W, Zhang Y, Hu H, Voiry D, Leung KMY, Tang CY, Huang B, Lin S, Zeng Z.   +13 more
europepmc   +1 more source

Spike-Embedded Nanocatalysts via Metal-Directed Carbonization for Highly Efficient and Robust Semi-Hydrogenation. [PDF]

Adv Sci (Weinh)
Li Y, Sun Y, Li M, Zhang W, Li Z, Ni Y, Zhang Y, Wang Y, Veroneau SS, Ji P.   +9 more
europepmc   +1 more source

Comparative study of the leaching of two auriferous minerals (oxidized and sulphurated) with cyanide and thiourea.

, 2013
En la actualidad los minerales de oro son comúnmente procesados mediante técnicas de lixiviación que utilizan como agente lixiviante al cianuro; sin embargo en la última década el uso del cianuro, ha sido restringido, por su carácter tóxico que lo hace ...
Carrillo Sandoval, Martha Isabel
core  

Processing-induced hydrolysis and degradation pathways of glucotropaeolin in edible garden nasturtium (<i>Tropaeolum majus L.</i>) extracts. [PDF]

Food Chem X
Chocholoušová Havlíková L, Dmytryšyn M, Kočová Vlčková H, Kosturko Š, Chocholouš P, Švec F.   +5 more
europepmc   +1 more source