Acid Purification Systems
Acid Purification Systems Overview:
Mech-Chem Associates, Inc.’s Acid Purification Systems are simple to operate, dependable, and economical. Our purification systems use an advanced membrane separation technology known as Diffusion Dialysis to separate, recover, and purify strong acids from spent acid solutions contaminated with dissolved metals. An anion exchange membrane serves as a semi-permeable barrier between a flowing stream of water and a flowing stream of process acid. Through this membrane, the processes of both Diffusion and Dialysis occur. These processes are carried out hundreds of times through the numerous internal channels that are contained in the many layers that make up the centrally-located stack of the Acid Purification System.
This technology is capable of recovering acids from concentrated baths that would have been discarded in the past. The purified acid is returned to the process tank for continued use, while a concentrated metal containing aqueous solution is removed for waste treatment. Typically, 80%-90% of the initial process acid is recovered in one pass through the system with 70%-90% removal of dissolved metals from the process acid.
The Acid Purification Systems manufactured by Mech-Chem Associates, Inc. are tailored to client’s needs with respect to materials of construction and operating capacity required. The systems range in size from the AP-15, which processes 15 gallons of acid per day, to the AP-1200, which processes up to 1,200, which processes up to 1,200 gallons of acid per day.
AP-L05 Lab Unit
This Acid Purification Lab unit is designed for testing on small volumes of acid solutions, to provide users with an introduction to the technology, and with initial performance data. Evaluation of the results may lead to further pilot scale testing, or to full-scale installation at the facility.
Lab units are available for monthly rental, or may be purchased. The Lab units are designed to process between 1/2 to 1 gallon of acid solution, per 24 hours of operation, depending upon the type of concentrations of acids and dissolved metals in solution.
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Mech-Chem Associates, Inc.