Alternatives to palladium in membranes for hydrogen separation: nickel …
Abstract: Palladium-based membranes have been widely studied in terms of their use in hydrogen separation processes. The high permeability and selectivity of these membranes mean that they are suitable for a variety of applications, although these are limited by the high cost of the precious metal. In order to reduce the cost, several researchers have …
Selective Cobalt over Nickel separation using neat and confined …
The separation of cobalt from nickel in mixture is of industrial concern for the recycling of batteries [3]. Liquid-liquid extraction is an important technique scale for metal recovery, with low operational costs that was extensively applied for the separation of Co(II) and Ni(II) from aqueous effluents [3,4]. In most cases, separation occurs ...
Green separation of lanthanum, cerium and nickel from waste nickel …
After separation of the precipitate, the supernatant was used in the formation of the second ABS by addition of NH 4 NO 3 and L35 solutions referred as ABS-2. The ABS-2 composition is that of system (10) listed in Table 1. ABS-2 was applied to the intra-REE separation of La and Ce without using any specific extractant for La.
Insight into the Mechanism of Cobalt-Nickel …
Generally, cobalt and nickel coexist (e.g., spent lithium-ion batteries) and are transferred into aqueous solution via leaching using reagents such as H 2 SO 4 [ 9, 10 ]. Extraction and adsorption are two …
Separation of cobalt(II) from nickel(II) by a hybrid liquid …
Cobalt and nickel also play an important role in biology; cobalt is a component of vitamin B 12. Cobalt and nickel are widely used in various branches of industry, are usually present together in industrial and waste solutions and have similar physical and chemical properties; therefore, the separation of the metals is an important practical ...
Membrane Separation in the Nickel-Contaminated
The retention of nickel reached 92 and 87% for 0.1 and 0.5% concentrations of cobalt ferrite, respectively. The non-modified membrane rejected the nickel at 79%. Satisfying results obtained by Chunli
Separation of nickel from cobalt and manganese in …
This study shows a method by which nickel oxide can be efficiently separated from cobalt and manganese oxides using an oxalic acid-based deep eutectic …
7.6: Classifying Separation Techniques
A more efficient separation is achieved using the fractional distillation apparatus in Figure 7.6.6 b. Packing the fractionating column with a high surface area material, such as a steel sponge or glass beads, provides more opportunity for the repeated process of vaporization and condensation necessary to effect a complete separation. …
Promoted charge separation from nickel intervening in …
Semantic Scholar extracted view of "Promoted charge separation from nickel intervening in [Bi2O2]2+ layers of Bi2O2S crystals for enhanced photocatalytic CO2 conversion" by Lisha Jiang et al.
Separation and Purification Technology
Negligible division was observed at 1/3 and 2/3 heights during the process. At maximum packing, nickel–cobalt and rare earth separation initiated at 13 BV, attaining a peak C/C 0 variance of 0.9 around 26 BV, unparalleled by other packing levels. Partial rare earth separation transpired after 40 BV. Thus, full column packing was selected.
Efficient Synchronous Extraction of Nickel, …
Synchronous extractions of nickel, copper, and cobalt by selective chlorinating roasting and water leaching to low–grade nickel–copper matte. Separation and Purification Technology 195, 149 ...
Highly efficient and selective membrane separation …
Abstract. Separation of copper from nickel in ammoniacal/ammonium chloride solution using a flat-sheet supported liquid membrane impregnated with mixtures of Acorga …
Superhydrophobic PODS-modified nickel with …
The separation efficiencies of the PODS-modified nickel were calculated by comparing the weight of oil before and after separation process [51]: (1) η = m o 1 + m 1 − m 0 m o × 100 % where m o 1 is the mass of oil after separation, m o is the mass of oil before separation, m 1 is the mass of PODS-modified nickel after …
Selective extraction and separation of nickel from cobalt, …
Semantic Scholar extracted view of "Selective extraction and separation of nickel from cobalt, manganese and lithium in pre-treated leach liquors of ternary cathode material of spent lithium-ion batteries using synergism caused by Versatic 10 acid and LIX 84-I" by Sung-Ho Joo et al.
Selective separation of cobalt versus nickel by split …
The rising demand of metals for batteries is calling for advanced methods to separate metallic mixtures in mineral ores and electronic waste. In particular, the extraction in separate form of nickel and cobalt are focusing attention because these metals are used in cathodes of lithium-ion batteries. Here we developed the selective separation of …
Efficient Synchronous Extraction of Nickel, Copper, …
Separation and recovery of iron and nickel from low‒grade laterite nickel ore using reduction roasting at rotary kiln followed by …
Insight into the Mechanism of Cobalt-Nickel …
The separation of Co(II) and Ni(II) from leaching solution is gaining interest because Co(II) and Ni(II) are increasingly used in emerging strategic areas, such as power batteries. Herein, the surface of silica gel …
Acid leaching of base metals and separation of nickel …
The IX separation based on adsorption onto DOWEX resin (M4195) and elution with sulfuric acid shows the potential for developing an integrated flowsheet based on leaching, precipitation and ion-exchange. References 1. Topkaya, Y.A., Buyukakinci, E., 2009. Extraction of nickel from lateritic ores at atmospheric pressure with agitation leaching.
Selective separation of cobalt and nickel using a …
Cobalt/nickel separation with a supported ionic liquid membrane. •. Efficient and highly selective sorption of cobalt. •. Transport of cobalt possible using an …
Separating Nickel Shavings and Copper Pellets
Place the nickel shavings in a beaker. Place the copper pellets in a separate beaker. Pour 100 mL of distilled water into each beaker. Stir each solution for two minutes. Use a filter to separate the nickel shavings from the solution. Use a second filter to separate the copper pellets from the solution. Discard the filtered solutions.
Advanced study on the extraction of Nickel from its ores
Solid-liquid separation is carried out by Counter-Current Decantation (CCD). There are various ways of purifying the nickel-containing solution and separating nickel and cobalt.
Process development for the separation of copper(II), nickel…
Extraction studies were carried with individual solutions containing 0.0025 M copper(II), nickel(II) and zinc(II), respectively.The extraction of these metals with 0.005 M LIX 84 I as a function of pH was studied in the pH range 0.5–9.0.It was observed from Fig. 1 that the percentage extraction of these metals depends mainly on the equilibrium pH of …
Separation of Cobalt and Nickel from Aqueous Solution
Abstract Recovery of pure cobalt and nickel from diverse resources is important due to the increased demand for these metals. In orderto get cobalt and nickel with high purity, separation of them from other metal ions is necessary. In this review, several methodsto obtain pure cobalt or nickel solution, such as solvent extraction, ion …
Separation behavior of nickel and cobalt in a LiCl-KCl …
The highest separation factor was 1394 for a ratio of 4, 826 for a ratio of 2, and the lowest value was 393 for a ratio of 1 at 50 mA/cm 2. It was expected that if the Ni 2+ /Co 2+ ratio is high, the separation factor will also be high. In the metal industry, the separation of Ni and Co is typically conducted through solvent extraction [36 ...
The Evolution of Cobalt–Nickel Separation and …
Cobalt–Nickel Separation by Precipitation Prior to the development of SX extractants, the only options for cobalt–nickel separation were based on precipitation, using either non-oxidising chemistry or processes that took advantage of the respective redox characteristics. An excellent review of these processes has been provided by Flett [3].
Separation of cobalt and nickel from ethylene glycol and …
Although nickel extraction is particularly difficult from aqueous solution due to its inability to form the extractable tetragonal nickel(II) tetrachloride complexes in a wide range of LiCl concentrations, extraction from ethylene glycol containing 2.4 mol·L-1 LiCl and glycerol containing 1.6 mol·L-1 LiCl is possible. This is in agreement with the work of …
Separation of cobalt and nickel using a …
Abstract. A [P 44414 ] [Cl]–NaCl–H 2 O ionic liquid-based aqueous biphasic system shows promising results for the separation of cobalt ( II) and nickel ( II) by homogeneous liquid–liquid extraction.
Separation of Nickel and Tin from copper alloy dross
Recently, the demands for separation/recovery of valuable metals such as nickel or tin from copper based alloys has been attracting much attention from the viewpoints of environmental protection and resource utilization. In this report, experimental results on concentration increasement of nickel and tin compared to the previous report …
Ultrahigh‐Uptake Capacity‐Enabled Gas …
The separation of C 2 H 4 and C 2 H 6 is a well-known challenge. The selectivity for C 2 H 6 /C 2 H 4 maintains a medium high value of 1.40–1.58 for a range of pressures to 100 kPa, indicating the feasibility of using …
An efficient solution based on the synergistic effects of nickel …
Conversely, the second category seeks to make nickel hydrophilic. As an example, Li et al. [24] grew NiCo 2 O 4 nanowires and nanoflakes on the surface of nickel using the hydrothermal method to create a superhydrophilic nickel membrane for oil/water separation. It is suggested that hydrophilic nickel membranes are easier to ...
