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

(PDF) Removal of copper, nickel and tin from model and ...

Removal of copper, nickel and tin from model and real industrial wastewater using sodium trithiocarbonate. The negative impact of complexing compounds January 2018

Removal of trace copper from simulated nickel electrolytes ...

2018-9-1 · 1. Introduction. Nickel, which is an important raw material and strategic metal among nonferrous metals in amounts of both production and consumption due to its superior properties () the electrolytic refining of nickel, the electrolyte solutions often contain some impurity elements, such as copper, cobalt and iron.

Removal of lead(II), copper(II), cobalt(II) and nickel(II ...

2016-11-14 · Removal of Cu(II) from the solutions of 10 mg/l changed from about 74 to 84 % for CG and CG-2.0GIC, respectively, whereas it was about 50 % lower for the solutions of 25 mg/l. In this case, it can be assumed that the amount of acid groups involved in …

Stripping nickel and copper

Remove Residual Nickel Plating after Blasting January 20, 2020. Q. Hello all, I work in the aerospace industry and we deal with a situation call Residual Nickel. We do a Nickel Strike and Copper plate process prior to HT. Once Heat Treat is complete we strip and blast to remove residual Copper/Nickel.

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?

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.

(PDF) Investigations of nickel(II) removal from aqueous ...

Investigations of nickel(II) removal from aqueous solutions using tea factory waste. Download. Related Papers. Adsorption of chromium (VI) on pomace--An olive oil industry waste: Batch and column studies. By Kushal Brahmapal. Biosorption of Ni(II) from electroplating wastewater by modified ( Eriobotrya japonica) loquat bark.

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

2013-4-16 · Ghaee A, Shariaty-Niassar M, Barzin J, Zarghan A (2012) Adsorption of copper and nickel ions on macroporous chitosan membrane: equilibrium study. Appl Surf Sci 258:7732–7743. Article CAS Google Scholar Giannopoulou I, Panias D (2007) Copper and nickel recovery from acidic polymetallic aqueous solutions.

Application of Electrocoagulation Process in Removal of ...

2017-6-6 · Application of Electrocoagulation Process in Removal of Zinc and Copper From Aqueous Solutions by Aluminum Electrodes Nouri, J. 1, Mahvi, A. H.2, 3 and Bazrafshan, E.4* 1Department of Environmental Management, Graduate School of the Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran, Iran

Removal of nickel, copper, zinc and chromium from ...

simultaneous removal of nickel, copper, zinc and chromium from synthetic aqueous aliquot solutions and actual electroplating wastewater was studied. Parameters affecting the electrocoagulation process, such as initial pH, current density, initial metal ion concentration, COD and contact time were investigated.

Removal of residual copper from nickel solutions

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 …

Separation of copper from nickel in sulfate solutions by ...

By cogriding copper solution with CT in the stirred mill (mechanochemical activation), over 99.5% of copper was removed and the residual copper concentration in the solution was less than 0.5 mg/L ...

From Nickel Plating Solutions Do''s & Don''ts of Removing ...

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

Residual Organic Compound Removal from Aqueous …

2018-8-17 · Therefore, the aim of this study was to develop a modified activated carbon from coconut shell-originated activated carbon by soaking it in mixture of seven metal salts of silver, chromium, manganese, cobalt, copper, nickel, and iron ions to improve the removal efficiency of target residual organic compound, sucrose, from aqueous solutions and ...

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

The residual Cu 2+ concentration in solution could decrease from 25 g/L to 0.2 g/L under the optimal conditions. The removal of copper from nickel‑copper mixed solution could be effectively achieved by membrane electrolysis.

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

2004-2-1 · Removal of copper and nickel ions from aqueous solutions by grape stalks wastes. Isabel Villaescusa Departament d''Enginyeria Química, Agrària i Tecnologia Agroalimentària, Universitat de Girona, Avda Lluis Santaló, Girona 17003, Spain.

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.

Removal of Metals from Metal Finishing Waste Water

2018-8-1 · used to remove various metals from surface finishing waste water streams. The metals treated in this study include copper, nickel, and zinc. Effluent concentrations of the treated metals are typically less than 0.5 mg/L. Environmental regulations have become increasingly severe regarding the types and

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

1. Environ Sci Pollut Res Int. 2013 Sep;20(9):6242-55. doi: 10.1007/s11356-013-1672-3. Epub 2013 Apr 16. Removal and recovery of copper and nickel ions from aqueous ...

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 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.

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 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 (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 …

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.

Nickel and copper removal from aqueous solution by an ...

2005-3-10 · Nickel and copper removal from aqueous solution by an immature coal (leonardite): effect of pH, contact time and water hardness Zoraida Zeledón‐Toruño Department d''Enginyeria Minera i Recursos Naturals, Universitat Politècnica de Catalunya, Av Bases de Manresa 61‐73, 08240‐Manresa, Barcelona, Spain

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 …