Asterion’s Carbo-Dry Reduces Carbonates, Avoids Shutdowns
Skid-mounted system produces almost solid crystals for removal.
Reducing sodium carbonate in alkaline plating solutions is a continuous problem and, when not addressed, leads to issues with quality and plating efficiency. Sodium carbonate naturally results from the exposure of sodium hydroxide to carbon dioxide. The production of carbonates reduces the solubility of the metals required for cost effective plating, and can cause unnecessary use of proprietary additives to mask the problem.
Asterion, a surface technology company based in Indianapolis, introduced Carbo-Dry as a solution to carbonate build-up.
Asterion President Blair Vandivier says the Carbo-Dry unit offers a unique system for reducing carbonates utilizing a simple and relatively maintenance-free skid mounted system.
“Traditional methods for reducing these salts in solution involved removing the actual plating solution from the production line and freezing out the carbonates,” Vandivier says. “That meant shutting down the production line and pumping out the solution and placing it in an environment with temperatures that would allow the carbonates to drop out of solution. The remaining solution had to be separated from the remaining sludge and returned to the plating tank.”