Electrochemical reduction of metal ions in dilute solution using hydrogen

I. Portegies Zwart; E.C.W. Wijnbelt; L.J.J. Janssen

Electrochemical reduction of metal ions in dilute solution using hydrogen

I. Portegies Zwart, E.C.W. Wijnbelt, L.J.J. Janssen

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Reduction of metal ions in dilute solutions is of great interest for purification of waste waters and process liquids. A new electrochemical cell has been introduced. This cell - a GBC-cell - is a combination of a gasdiffusion electrode in direct contact with a packed bed of carbon particles. Hydrogen gas flows along the hydrophobic side of the gas-diffusion electrode and a chromate solution is pumped upwards through the bed. Experiments were carried out with H2S04 solutions initially containing 70 mol m'l chromate at various temperatures, solution flow rates, H2S04 concentrations and bed thicknesses. It has been concluded that the GBCcell is very attractive for the reduction of chromate in dilute solutions and for industrial applications on a large scale.

Originele taal-2	Engels
Titel	International Symposium on Electrochemical Science & Technology
Pagina's	L75-1/6
Status	Gepubliceerd - 1995
Evenement	HK international sympoium on electrochemical science and technology - Duur: 24 aug. 1995 → 24 aug. 1995

Congres

Congres	HK international sympoium on electrochemical science and technology
Periode	24/08/95 → 24/08/95

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@inproceedings{e57ca10ea2c641ffba7d0e78e30ff02b,

title = "Electrochemical reduction of metal ions in dilute solution using hydrogen",

abstract = "Reduction of metal ions in dilute solutions is of great interest for purification of waste waters and process liquids. A new electrochemical cell has been introduced. This cell - a GBC-cell - is a combination of a gasdiffusion electrode in direct contact with a packed bed of carbon particles. Hydrogen gas flows along the hydrophobic side of the gas-diffusion electrode and a chromate solution is pumped upwards through the bed. Experiments were carried out with H2S04 solutions initially containing 70 mol m'l chromate at various temperatures, solution flow rates, H2S04 concentrations and bed thicknesses. It has been concluded that the GBCcell is very attractive for the reduction of chromate in dilute solutions and for industrial applications on a large scale.",

author = "{Portegies Zwart}, I. and E.C.W. Wijnbelt and L.J.J. Janssen",

year = "1995",

language = "English",

pages = "L75--1/6",

booktitle = "International Symposium on Electrochemical Science & Technology",

note = "HK international sympoium on electrochemical science and technology ; Conference date: 24-08-1995 Through 24-08-1995",

}

TY - GEN

T1 - Electrochemical reduction of metal ions in dilute solution using hydrogen

AU - Portegies Zwart, I.

AU - Wijnbelt, E.C.W.

AU - Janssen, L.J.J.

PY - 1995

Y1 - 1995

N2 - Reduction of metal ions in dilute solutions is of great interest for purification of waste waters and process liquids. A new electrochemical cell has been introduced. This cell - a GBC-cell - is a combination of a gasdiffusion electrode in direct contact with a packed bed of carbon particles. Hydrogen gas flows along the hydrophobic side of the gas-diffusion electrode and a chromate solution is pumped upwards through the bed. Experiments were carried out with H2S04 solutions initially containing 70 mol m'l chromate at various temperatures, solution flow rates, H2S04 concentrations and bed thicknesses. It has been concluded that the GBCcell is very attractive for the reduction of chromate in dilute solutions and for industrial applications on a large scale.

AB - Reduction of metal ions in dilute solutions is of great interest for purification of waste waters and process liquids. A new electrochemical cell has been introduced. This cell - a GBC-cell - is a combination of a gasdiffusion electrode in direct contact with a packed bed of carbon particles. Hydrogen gas flows along the hydrophobic side of the gas-diffusion electrode and a chromate solution is pumped upwards through the bed. Experiments were carried out with H2S04 solutions initially containing 70 mol m'l chromate at various temperatures, solution flow rates, H2S04 concentrations and bed thicknesses. It has been concluded that the GBCcell is very attractive for the reduction of chromate in dilute solutions and for industrial applications on a large scale.

M3 - Conference contribution

SP - L75-1/6

BT - International Symposium on Electrochemical Science & Technology

T2 - HK international sympoium on electrochemical science and technology

Y2 - 24 August 1995 through 24 August 1995

ER -

Electrochemical reduction of metal ions in dilute solution using hydrogen

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