Inspirational pilot #4
Nature-Based Solutions for Sludge Dewatering (Girona, Spain)
Nature-Based Solution for Sludge dewatering for small WWTP
TRL: 8
SCALE: R
SYSTEM CONCEPT
- Sludge dewatering and secondary effluent quality improvement for small wastewater treatment plants using rhizofilter-based units.
- A low‑energy solution that uses macrophyte rhizofilters and specific microorganisms to accelerate sludge dewatering and its transformation into compostable material.
KEY BENEFITS
A circular, low‑operation‑cost solution that transforms wet sludge into a valuable resource, minimizing external transport and disposal needs.
STRATEGIC INTEGRATION
A validated nature‑based technology that supports regional sludge management strategies and upgrades for small wastewater treatment facilities, offering a modular and scalable option.
SOCIAL ENGAGEMENT
Enhances public acceptance by relying on nature‑based practices, improving site aesthetics and visibly contributing to local sustainability.
REGULATORY FRAMEWORK
Supports compliance with sludge stabilization and waste management regulations through a structured and easily integrable treatment approach.
