Traditional closed loop corrosion, fouling, and microbial control treatments are not always capable of providing effective treatment to Thermal Energy Storage systems. Typically, these systems experience a higher incidence of corrosion, corrosion related fouling and microbial problems than traditional closed loop applications. Customary corrosion control treatments like nitrite have yielded poor results due to microbial degradation. Microbial control is often harder due to the sheer volume of water needing treatment and inadequate distribution in the system. This paper will review the various water treatment needs for Thermal Energy Storage Systems and present data on a successfully operating Thermal Energy Storage system.

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