removal of residual copper from nickel solutions

Study on removal of copper from nickel‑copper mixed solutio…

Residual copper is removed from acid nickel solutions by contacting said solution with activated particulate carbon which adsorbs the copper. The copper is subsequently stripped from the activated carbon by either a sulfuric acid leach (e.g. 2% H 2 SO 4) or by an ammonium hydroxide leach (e.g. 25% NH 4 OH).

Removal of Nickel (II) from Aqueous Solution Using …

2019-8-5 · Removal of Nickel (II) from Aqueous Solution Using Marine Alga Sargassum swartzii in Continuous System V. Sivasubramanian*, M. Jerold, Jacob Varun Dev, M. Aneesh Benny, Mohamed Swalih Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode, Kerala-673601, India

Removal of Copper from the Solution Containing Copper ...

2014-2-14 · Removal of Copper from the Solution Containing Copper, Nickel, Cobalt and Iron Kyung Ho Park*, Chul Woo Nam*, Hyun Ho Kim* and Smruti Prakash Barik*,** *Mineral Resource Research Division, Korea Institute of Geoscience & Mineral Resources (KIGAM)

Adsorption of Nickel (II), Copper (II) and Iron (III) from ...

2010-5-17 · The solution pH plays a vital role in the removal of heavy metals as the acidity of solution pH is one of the most important factors for controlling the uptake of heavy metals from wastewater and aqueous solution18. The maximum adsorption of Nickel, Copper and Iron on to the surface of ALP adsorbent was found to be at pH 3.5 which was rather ...

Removal of copper, nickel and zinc by sodium dodecyl ...

2017-3-2 · ORIGINAL ARTICLE Removal of copper, nickel and zinc by sodium dodecyl sulphate coated magnetite nanoparticles from water and wastewater samples Mahnaz Adeli a, Yadollah Yamini b,*, Mohammad Faraji c a Department of Chemistry, Azad University, Shahre Rey Branch, P.O. Box 18155-144, Tehran, Iran b Department of Chemistry, Tarbiat Modares University, …

Evaluation of different adsorbents for copper removal …

2013-8-20 · Evaluation of different adsorbents for copper removal from cobalt electrolyte ... Although ion exchange was used primarily for nickel removal in the past, more recently it has been considered for the removal of copper, zinc, and cadmium as well. ... a portion of the stripped fibre was dried and analysed for any residual copper and cobalt. Mini ...

Removal of lead, copper, cadmium, zinc, and nickel from ...

2016-1-25 · Removal of lead, copper, cadmium, zinc, and nickel from aqueous solutions by alkali-modified biochar: Batch and column tests. ... on adsorption of different heavy metals onto biochars derived from various feedstocks including agricultural and forest residuals,,,, . Most of these studies only employed batch experiments to examine of the ...

(PDF) Use of calcium phosphates to remove nickel, copper ...

apatitictricalcium phosphate to remove nickel, copper and cobalt i ons from aqueous solutions. The amorpho us or apatitic calcium phosphate s were first e xposed to separate solutions …

(PDF) Removal of Copper, Nickel, Cobalt and Manganese …

Removal of Copper, Nickel, Cobalt and Manganese From Aqueous Solution by Kaolinite ... where C r is the residual concentration of heavy metal. ... [11,12], and clay composites [7,13,14] for the ...

REMOVAL OF DIVALENT NICKEL FROM AQUEOUS …

2015-2-19 · of divalent nickel in aqueous solutions. Percentage removal of divalent nickel decreased from 98 % to 19.3 % with increasing the initial divalent nickel concentration from 20 to 100 mg/L. removal efficiency (%)= (C 0-C) C 0 ×100 (1) where C 0 and C are the original and residual divalent nickel concentrations in solution, respectively.

(PDF) Removal of Copper, Nickel, Cobalt and Manganese …

Removal of Copper, Nickel, Cobalt and Manganese From Aqueous Solution by Kaolinite ... where C r is the residual concentration of heavy metal. ... [11,12], …

Removal of Copper and Nickel from Aqueous Solutions …

2007-2-15 · (2005). Removal of Copper and Nickel from Aqueous Solutions Using Chitosan Coated on Perlite as Biosorbent. Separation Science …

[PDF] Removal of Copper from the Solution Containing ...

Abstract The methods to separate and remove copper in the mixed solution ((399 ppm Cu, 208 ppm Fe, 15.3 g/L Ni, 2.1 g/L Co) withnickel, cobalt and iron were investigated. With hydroxide precipitation method, copper and iron ions were completely pre-cipitated and removed from the solution at pH 7 while some nickel and cobalt also were precipitated. 99.75% copper could …

(PDF) Removal of Copper, Nickel, and Chromium from ...

Maximum removal rates of 99%, 95%, and 94% were attained at the current density of 0.186 A/cm2 for copper, nickel, and chromium, respectively occurring …

Removal of copper and nickel ions from aqueous solutions ...

In the present work, the usefulness of grape stalks wastes generated in the wine production process has been investigated for the removal of copper and nickel ions from aqueous solutions. The sorption process was relatively fast and equilibrium was reached after about 60 min of contact. The influenc …

REMOVAL OF NICKEL, COPPER, AND ZINC IONS FROM …

2020-8-14 · The residual concentration of nickel, copper, and zinc ions in the absorbed solution was analyzed by atomic absorption spectroscopy (AAS) 800 Perkin Elmer. The initial pH and equilibrium pH of adsorbed solution was measured by Toledo pH meter. The removal of metal ions was calculated using Eq. (1). (1) 0 0 e CC E C u where: C o

Removal of Heavy Metal from Contaminated Soil with ...

2013-12-24 · removal of copper and nickel from the soil after a conventional soil wash procedure. A batch study using solutions of the two chelating agents (chitosan, EDTA), and sodium citrate as a reference for comparison, was performed. The key issues were: 1) Which is the most effective eluent for the copper/nickel contaminated soil?

Selective removal of copper or nickel from complexing ...

For example, above a minimum pH of about 2.2 for removal of copper and about 7.0 for removal of nickel for aqueous solutions, it should be readily apparent that pH is not otherwise a critical factor, except to the extent to which utilization of the particular bed of resin having iminodiacetic acid functionalities can be maximized or utilized in ...

Removal and recovery of copper and nickel ions from ...

2013-4-16 · Akbal F, Camc S (2011) Copper, chromium and nickel removal from metal plating waste water by electrocoagulation. Desalination 269:214–222 Al E, Güçlü G, İyim TB, Emik S, Özgümüş S (2008) Synthesis and properties of starch-graft-acrylic acid/Na-montmorillonite superabsorbent nanocomposite hydrogels.

Simultaneous Removal of Lead(II), Nickel(II), Zinc(II) and ...

2021-2-8 · of lead, nickel, zinc and copper determined were 79.02 mg/g, 19.85 mg/g, 41.23 mg/g and 22.18 mg/g. The results of this research study can lead to the conclusion that nano-hydroxyapatite can be used as a cost-effective material for the removal of lead, nickel, zinc and copper from polycationic aqueous solutions.and wastewater.

Removal of Copper(II) and Nickel (II) from Aqueous ...

2021-7-4 · Removal of Copper(II) and Nickel (II) from Aqueous solution by adsorption on Sugarcane Bagasse Tchoumou M 1*, Mananga C.G. 1 and Bitalika Malongo C.P. 2 1Laboratory of applied inorganic chemistry Marien NGOUABI University, Brazzaville, CONGO

Removal of copper and nickel ions from aqueous solutions ...

2004-2-1 · The same effect was observed when cork wastes were used to remove copper and nickel from aqueous solutions, and when different sorbents were used to remove copper ions, . Download : Download full-size image; Fig. 4. Copper and nickel removal using grape stalks as a function of sodium chloride concentration.

US4303704A

A method is provided for selectively separating and removing complexed heavy metal ions, preferably copper or nickel, from complexing agents in aqueous solution and removing substantially all heavy metal ions while leaving complexing agent in said solution. In preferred embodiments, complexed copper or complexed nickel is selectively removed from aqueous …

Removal of copper and nickel ions from aqueous solutions …

Removal of copper and nickel ions from aqueous solutions by grape stalks wastes ResearchGate 0 : 48 : I Villaescusa,Nuria Fiol,Maria Martinez,Nuria Miralles,J Poch,J Serarols : ...

Removal of copper, nickel, cobalt and manganese from ...

2003-2-1 · Fig. 1 shows the kinetic curves of adsorption of Mn, Co, Ni and Cu at 298 and 313 K obtained from evaluation of kinetic data using the following equation. (1) C r =C i e −kt, where C r is the residual concentration of heavy metal ions. The equilibrium was attained after shaking for 2 h in case the kaolinite.Therefore, in each experiment, the shaking period was 2 h for the kaolinite.

Study on removal of copper from nickel‑copper mixed ...

2018-9-1 · Obviously, the calcination atmosphere had a significant effect on the copper removal from solution. Copper could be deposited faster on the carbon fiber calcined in the air. When carbon fiber calcined in the air was used as the cathode, residual Cu 2+ concentration in solution went down to 4.6 g/L after 4 h of electrolysis.

US3194652A

US3194652A US302778A US30277863A US3194652A US 3194652 A US3194652 A US 3194652A US 302778 A US302778 A US 302778A US 30277863 A US30277863 A US 30277863A US 3194652 A US3194652 A US 3194652A Authority US United States Prior art keywords nickel thiocyanate solution aqueous metal Prior art date 1963-08-19 Legal status …

Optimization of nickel ions removal from aqueous …

2015-5-21 · Optimization of nickel ions removal from aqueous solutions by chitosan-polyethylene oxide electrospun nanofibers ... copper and nickel, released mainly from industrial activities, are considered to be ... chamber at 70°C for 24 hours in order to remove residual solvent. The mats were then neutralized by immersion in a 0.1M sodium carbonate ...

Removal of copper, nickel, cobalt and manganese from ...

The removal of some heavy metals such as Mn(II), Co(II), Ni(II), and Cu(II) from aqueous solution is studied using a raw kaolinite. The sorption of these metals on kaolinite conformed to linear form of Langmuir adsorption equation. Langmuir C(m) …

From Nickel Plating Solutions Do''s & Don''ts of …

2013-12-8 · From Nickel Plating Solutions The contaminants, also called impurities, that can cause defects in nickel plating solutions require removal to correct defects and improve the overall quality of the nickel deposit. Some removal processes are easy to do, others require considerable time and effort and knowledge. I have

Copper Removal from Electroplating Wastewater by ...

2016-2-28 · This paper describes an experimental study for the removal of copper ions from electroplating wastewater. Different metal ions are added to the wastewater to remove copper ions by coprecipitation and the copper-based supramolecular materials with layered structures are obtained. It is found that the best results are obtained with the addition of …

Selective Removal of Copper(II) and Nickel(II) from ...

2008-10-21 · Removal efficiency of both nickel and copper is favored by an increase in contact time, but the results presented in Table III show that with an increase in time from 20 minutes to 18 hours, the removal efficiency of Cu(II) increases about 43.10 pct, whereas Ni(II) removal efficiency increases only 8.89 pct. This suggests that the contact time ...

Deep removal of copper from nickel electrolyte using ...

2015-11-1 · To obtain high purity nickel, the residual copper concentration in the nickel electrolyte (containing 0.4âˆ''1.2 g/L Cu) should be less than 3 mg/L [5]. In addition, complete copper separation from nickel solution requires that the mass ratio of copper to nickel in the residue (RCu/Ni) should be larger than 15.