Results 51 to 60 of about 363,105 (311)

Enhancing Copper Leaching from Refractory Copper Oxide Ore Using Organic Cationic Surfactant

Separations
The copper oxide ore in Zambia exhibits complex mineralogical characteristics, with copper primarily occurring in mica. The local hydrometallurgical plant employs heating–agitation acid leaching, which is hindered by a low leaching rate and prolonged ...
Yang Li, Jue Kou, Chunbao Sun, Peilong Wang, Xiaoli Wang   +4 more
doaj   +1 more source

Nitrate leaching from arable crop rotations in organic farming [PDF]

, 2004
Nitrate leaching from crop rotations for organic grain production were investigated in a field experiment on different soil types in Denmark from 1997 to 2002.
Askegaard, Margrethe, Berntsen, Jørgen, Olesen, Jørgen E.   +2 more
core  

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

Advanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar, Akash Vyas, Mohammad Aatif Qazi, Nashit Jalal, Maria Ophelia Jarligo, Mostafa Yakout, Jing Liu, André McDonald   +7 more
wiley   +1 more source

Synergic Acid Leaching of Vanadium from Sodium Vanadium Extraction Tailings

Kuangchan zonghe liyong
The content of V2O5 in sodium vanadium extraction tailings is much higher than that in vanadium-titanium magnetite concentrate and it has high utilization value.
Fangfang LI, Jing WEN, Tangxia YU, Guangdong YANG, Hongyu SUI, Tao JIANG   +5 more
doaj   +1 more source

Continuous Leaching Test of Ion-type Rare Earth Ore at Different Depths

Kuangchan zonghe liyong, 2023
This is an essay in the field of metallurgical engineering. The ion-type rare earth ore in Ganzhou was treated as the research object. Continuous stirring leaching and column leaching were used to study the leaching of rare earth and impurity elements in
Chao Li, Rongbo Shu, Rong Cheng, Qi Zhang, Yangming Pu, Yiming Xu   +5 more
doaj   +1 more source

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

Advanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du, Chenhui Ding, Chao Deng, Susanta Banerjee, Seema Agarwal   +4 more
wiley   +1 more source

Optimization of leaching conditions for extraction of magnesium from a chromite beneficiation plant tailing predominantly containing lizardite

Bulletin of the Mineral Research and Exploration, 2021
In this study, leaching experiments were performed for extraction of magnesium from a chromite beneficiation plant tailing predominantly containing lizardite.
Bahri Ersoy, Zeyni Arsoy, Ayşegül Bilen, Bekir Arslan, Hakan Çiftçi   +4 more
doaj   +1 more source

The effect of renovation of long-term temperate grassland on N2O emissions and N leaching from contrasting soils [PDF]

, 2016
pre-printRenovation of long-term grassland is associated with a peak in soil organic N mineralisation which, coupled with diminished plant N uptake can lead to large gaseous and leaching N losses.
Bourdin, F., Jones, M. B., Krol, Dominika, Lanigan, Gary, Richards, Karl G., Williams, M.   +5 more
core   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

Advanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana, Indra Apsite, Leonid Ionov   +2 more
wiley   +1 more source

Technology for Aiding the Cyanide Leaching of Gold Ores

Separations
Cyanide leaching technology was studied for low-grade oxidized gold ores in Guangxi Province. The gold grade of the raw ores was 1.32 g/t. The gold leaching rate was 90.91% under the optimal conditions for the following conventional leaching process ...
Jiahong Han, Shujuan Dai, Jiushuai Deng, Shandong Que, Yugao Zhou   +4 more
doaj   +1 more source