Vertical Counter-Current Flow Fume Scrubber - Case Study
Samtec, Inc., located in New Albany, Indiana, is a leading manufacturer of high quality electrical connectors. Part of the production process at Samtec involves the operation of many electroplating lines and their associated exhaust and scrubbing equipment. In the Summer of 2000, Mr. Willis Tucker of Samtec found himself faced with mounting maintenance problems involving several existing acid/alkaline wet scrubbers and fans. Rapid salting out within the scrubbers necessitated frequent removal and cleaning of interior scrubber spray nozzles and packing.
Scrubber performance seemed to be deteriorating. Salted deposits on fan blades regularly threw the fans out of balance, causing severe vibrations and cracking of the fan and scrubber housings. To make matters worse, new production lines would soon require the addition of another scrubber and its associated maintenance problems. Mr. Tucker approached Mapco with these frustrating scrubber headaches and a request for a proposal. Mapco recognized Samtec’s problems as symptoms of wet scrubbers that were not being operated with adequate fresh water make-up and overflow rates. The scrubbers had nearly become evaporator/concentrators. Unfortunately, overflow rates normal to wet scrubbers would severely tax Samtec’s existing waste water treatment capabilities, and tend to be very expensive.
THE SOLUTION
Mapco recommended a new wet scrubber that would incorporate its “Fume Arrestor” design installed at the scrubber inlet. The “Fume Arrestor” uses a dry impingement technology to capture as much as 99% of the acid and alkaline mists before they enter the wet scrubber.
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