ELECTROCHEMICAL PROCEDURE FOR REGENERATION OF SPENT COPPER-AMMONIA COPPER PICKLING SOLUTIONS

摘要

the use of u0440u0435u0433u0435u043du0435u0440u0430u0446u0438u00a0 and am u043cu0438u0430u0447u043du044bu0445 solutions u0442u0440u0430u0432u043bu0435u043du0438u00a0 copper in the manufacture of printed circuit boards.u0441u0443u0449u043du043eu0441u0442u044c1 worked copper manufacturer u0442u0440u0430u0432u0438u043bu044cu043du044bu0439 solution subjected to regeneration without prior u0440u0430u0437u0431u0430u0432u043bu0435u043du0438u00a0 with electrolysis lead with variable p u043bu043eu0442u043du043eu0441u0442u0438 current, u043du0430u0445u043eu0434u00a0u0449u0435u0439u0441u00a0 functional depending on the concentration of copper in u0440u0430u0441u0442u0432u043eu0440u04351 lk 10Ccu + 500, where ik is an optimal value of current density, a / m2, the usms is u0442u0435u043au0443u0449u0430u00a0 to u043du0446u0435u043du0442u0440u0430u0446u0438u00a0 copper in solution, d / dm 1 table