Results 11 to 20 of about 48,008 (267)

Recovery of Barium Ions from a Barium Residue in Guizhou by Hydrochloric Acid Leaching

open access: yesKuangchan zonghe liyong, 2023
A large amount of barium slag accumulation will cause great harm to the environment. The use of hydrochloric acid leaching for barium residue can effectively recover the residual soluble barium salt in the barium residue and greatly reduce the harm of ...
Dewei Li   +4 more
doaj   +1 more source

Nano-AgCu Alloy on Wood Surface for Mold Resistance

open access: yesNanomaterials, 2022
The mold infection of wood reduces the quality of its surface and potentially endangers human health. One category of the most popular mold inhibitors on the market is water-soluble fungicides.
Yanran Qi   +7 more
doaj   +1 more source

Selective Pre-leaching of Tellurium From Telluride-Type Gold Concentrate

open access: yesFrontiers in Chemistry, 2021
With a telluride-type gold ore flotation concentrate as the research object, the Na2S + NaOH collaborative leaching process was applied to selectively separate tellurium before the cyanide leaching of gold and silver.
Wei Yang   +9 more
doaj   +1 more source

Study on Influencing Factors of Leaching Process of High-iron Zinc Calcine

open access: yesKuangchan zonghe liyong, 2023
Zinc calcine with high Fe content is leached with a large amount of Fe at the same time, which affects the subsequent operation. In order to solve this problem, the high iron zinc calcine of a company in Shaanxi was taken as the research object.
Zhiyu Wang, Jialin Guo, Yue He
doaj   +1 more source

Zn Extraction from Zinc-Containing Sludge Using Ultrasonic Treatment Leaching with ChCl-MA DES

open access: yesMetals, 2023
The recovery of zinc from metallurgical dust sludge is a crucial component of using solid waste as a resource in the metallurgical process, and deep eutectic solvent–ultrasonic synergistic enhanced leaching is an efficient method of doing so with ...
Fusheng Niu   +4 more
doaj   +1 more source

Experimental Study on the Dressing and Smelting of a Pyrrhotite-bearing Primary Gold Ore [PDF]

open access: yesE3S Web of Conferences, 2023
The content of pyrrhotite in a primary gold mine containing pyrrhotite is 0.68%. In the process of alkaline leaching pretreatment, there are problems such as large ore quantity and high alkali consumption.
Chen Yanbo, Wang Junjie
doaj   +1 more source

Temperature Effect on Plutonium Leach Rate of Nuclear Waste Glass [PDF]

open access: yesJournal of Nuclear Science and Technology, 1989
The two kinds of nuclear waste glass with similar composition, a 238Pu-doped and non-radioactive waste glass, were leached under the ISO-test conditions at temperature between 23 and 90°C. An activation energy of 22±10 kJ/mole was obtained from the initial leach rates of Pu, which was much lower than the 78±9 kJ/mole obtained from those of Si, Na, Sr ...
BANBA, Tsunetaka   +2 more
openaire   +1 more source

Spatial distribution of solute leaching with snowmelt and irrigation: measurements and simulations [PDF]

open access: yesHydrology and Earth System Sciences, 2013
Transport of a tracer and a degradable solute in a heterogeneous soil was measured in the field, and simulated with several transient and steady state infiltration rates.
D. Schotanus   +2 more
doaj   +1 more source

Leach Rates of Lead-Iron Phosphate Glass Waste Forms [PDF]

open access: yesJournal of Nuclear Science and Technology, 1988
Lead-iron phosphate glasses loaded with simulated high-level nuclear wastes at temperatures between 900 and 1,100°C were studied on their soaking behavior in distilled water by means of leachate solution analysis. The obtained results showed that the leach rates of the glass waste forms were at least 10 to 100 times lower than that of the currently ...
YANAGI, Tadashi   +2 more
openaire   +1 more source

Extraction of Vanadium from Vanadium Titanomagnetite Concentrates by Leaching Process with Titanium White Waste Acid

open access: yesKuangchan zonghe liyong, 2022
In order to improve the comprehensive utilization rate of V2O5 form vanadium titanomagnetite concentrates, the direct leaching and the roasting-leaching tests were carried out using titanium white waste acid byorthogonal experiment method. The results of
Enhui Wu   +6 more
doaj   +1 more source

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