Case Study
Rayonier Advanced Materials — Florida
Pulp mill wastewater liner system for Rayonier Advanced Materials in Florida, engineered for hot, chemically aggressive cellulose effluent.
The Challenge
Problem
Rayonier Advanced Materials' Florida pulp mill produces specialty cellulose products requiring particularly clean manufacturing processes, which generates wastewater with a unique chemical profile including cellulose fibers, processing chemicals, and high-temperature discharge. The facility needed a containment system that could handle the chemical and thermal demands while meeting Florida DEP requirements for industrial wastewater management.
Our Approach
Solution
EFI installed a liner system engineered for Rayonier's specific wastewater characteristics, including thermal resistance for high-temperature discharge and chemical compatibility with specialty cellulose processing effluent. The system provides complete containment with engineered drainage and monitoring to meet Florida DEP groundwater protection requirements.
Outcomes
Results & Metrics
Key Outcomes
- Complete wastewater containment system
- Engineered for specialty cellulose effluent
- Thermal resistance for hot discharge
- Florida DEP compliance achieved
- Groundwater monitoring integrated
- Long-term containment performance
“Our wastewater profile is unique in the pulp industry — the purity requirements for specialty cellulose mean our effluent chemistry is different from standard kraft mills. EFI engineered a containment system specifically for our needs.”
Environmental Engineering Manager, Rayonier Advanced Materials
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