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Effects of process parameters on efficiency of tin dissolution in tin plating system using insoluble anode
Pages: 19-22
Year: Issue:  1
Journal: Electroplating & Finishing

Keyword:  tin platingtin dissolutionstannous ionutilizationprocess parameter;
Abstract: A set of experimental facility was designed according to the tin dissolution system of a production line for tin plating in a steel plant. The effects of process parameters including oxygen flow rate, temperature, pressure and circulation volume of bath on the tin dissolution amount and tin particle utilization were studied through tin dissolution tests using the given facility. The results showed that the rate of tin dissolution is mainly decided by oxygen flow rate, and the suitable oxygen flow rate is24 L/h. Thetin dissolution amount and tin particle utilization can be raised by increasing the circulation volume of bath in the range of 1.6-3.5 m3/h. With the increasing of temperature and pressure, the tin dissolution amount is increased gradually, while the particle utilization is increased firstly and then decreased. The suitable temperature and pressure for tin dissolution are 40-45 °C and 0.6 MPa, respectively.
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