Capsule Report: Coventya Low Nickel EN Bath Chemistry

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This capsule report was prepared under EPA Grant Number 00E02050, funded through the EPA Source Reduction Assistance Grant Program. This program funds Pollution Prevention (P2) assistance projects that provide technical assistance and/or training to businesses/facilities to help them adopt source reduction approaches. Various tasks have been performed under this EPA grant. The purpose of this particular project was to demonstrate certain pollution prevention (P2) aspects of a new electroless nickel (EN) bath chemistry.

The new EN solution contains approximately 50% less nickel than a conventional EN bath. The P2 project focused on the potential reduction of water use, reduction of nickel discharges to the treatment system, reduction of sludge generation, reduction of off-site disposal, and reduction of air emissions.

The project was performed at a metal finishing facility in Michigan that operates an automated EN barrel line for plating small automotive parts. During the P2 demonstration a conventional midphosphorus 6 g/l nickel bath was replaced with a mid-phosphorous 3 g/l nickel concentration bath (RI8712) formulated by Coventya Chemicals Company.

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