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A pilot scale evaluation of removal of mercury from pharmaceutical wastewater using granular activated carbon
Patrick J Cyr1, Rominder P S Suri, Edward D Helmig
1Civil and Environmental Engineering Department, Villanova University, Villanova, PA 19085, USA.
Abstract:
Thimerosal (an organic mercury compound) is widely used in the pharmaceutical industry and hospitals. This study examines the removal of mercury (thimerosal and Hg(II)) from a pharmaceutical wastewater using F-400 granular activated carbon (GAC) at bench and pilot scales. Bench scale dynamic column tests are conducted with 30, 60, 90 and 120 min empty bed contact times (EBCTs). The pilot scale study is conducted using two GAC columns-in-series each of 30 min EBCT. The capital and operational cost analysis for the treatment system is performed. Simultaneous removal of copper, turbidity, phenol, and color from the wastewater by the pilot scale system is also reported.
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