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Wet flue gas desulfurization (WFGD) Systems and the associated wastewater treatment (WWT) plants are typically designed separately with little or no direct communication of design conditions between vendors. In the current economic climate the emphasis on cost reductions thru improved design conditions and innovative design approaches is essential. The basic design factors for the purge stream are the volumetric rates of the purge stream, the chlorides concentration, and the weight percent solids. These factors have significant impacts to the costs of both the WFGD system and the downstream WWT system. The optimization of these design factors will minimize the overall design costs of project. This paper will examine the process and cost impacts of designs from five projects that have both a Siemens WFGD and a Siemens WWT system and provide design recommendations for future systems.
Revision Date: 5/12/2011
Tags: 221112 - Fossil Fuel 化石燃料, Siemens Energy, FGD, Air Quality, USA