
DPU™
Eco-Tec offers a system for the purification, recovery, and recycle of various acid mixtures used in the aluminum finishing sector for the brightening, etching, and graining of aluminum product. One such application is the use of phosphoric acid mixtures for the brightening of aluminum in the production of products for automotive and appliance trim, lighting fixtures, bath and shower enclosures.
In North America, the majority of phosphoric acid used in the brightening of aluminum is purified, recovered, and recycled within the processing facility. Eco-Tec has supplied every phosphoric acid recovery system in operation to-date for this purpose.