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Pollution Prevention and Control Technologies for Plating Operations


Section 6 - Wastewater Treatment

6.1 INTRODUCTION

Section 6 covers end-of-pipe (EOP) wastewater treatment. Most of the respondents to the Users Survey employ conventional EOP wastewater treatment and sludge handling processes. These processes, which are so named because of their wide usage throughout the plating industry, are defined and discussed in Section 6.2. Capital and operating costs for conventional treatment are addressed in Section 6.3. End-of-pipe treatment data from the Users Survey are presented in Section 6.4. Some shops employ non-standard methods of end-of-pipe treatment. For metals removal/concentration, the non-standard methods that are used by survey respondents are ion exchange, evaporation and microfiltration. These three technologies are discussed in Section 6.5.


Next Section|Main Table of Contents|Section 6