New Belmont
Ferrous Building
A purpose-built chemical storage and feed facility for ferrous sulfate, designed to handle one of the most corrosive chemicals in wastewater treatment and fully integrated into plant SCADA.
The Challenge
The existing ferrous sulfate (pickle liquor) storage and feed system was located in the basement of another building, creating serious access limitations, accelerating corrosion on adjacent equipment, and reaching the end of its useful life. A purpose-built replacement was needed that could safely handle the highly corrosive nature of the chemical without compromising surrounding systems.
The new facility was designed specifically for ferrous sulfate service, with a high-performance coating system applied throughout the chemical contact spaces. Electrical, controls, and HVAC systems were placed in separate, isolated rooms to protect them from the corrosive environment. An observation window allows operators to monitor the process without entering the chemical space.
The building was fully integrated into the plant's SCADA system for remote monitoring and control. Tank volumes were increased to meet current demand, with capacity to add additional storage in the future. A roof access panel was designed so individual tanks can be removed and replaced without any demolition, an important long-term maintainability feature. Construction began in 2022 and the facility was operational by spring 2023.
FGI Scope
- Facility design & engineering
- Chemical feed system design
- High-performance coating specification
- Electrical & HVAC isolation design
- Operator observation area design
- SCADA integration design
- Construction oversight & inspection
- Commissioning support
Key Details
- Chemical: Ferrous Sulfate (Pickle Liquor)
- Use: Sludge conditioning, odor & phosphorus control
- Location: Belmont WWT Plant
- Roof panel for future tank access
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