Circular GRP Tank Covers Provide Odor Control For Digesters And Sludge Tanks

Apr 28, 2025 Leave a message

As the demand for airtight, maintenance-friendly solutions grows in environmental engineering, Hebei Leihong Fiberglass Technology Co., Ltd. has delivered another key project: the fabrication and shipment of circular blue GRP covers for use in anaerobic digesters and sludge holding tanks.

Application Scope

The blue-colored dome covers were designed to meet the specific needs of a client operating in a high-corrosion wastewater environment. These circular tanks are typically used for anaerobic treatment, where the release of gases such as hydrogen sulfide, methane, and ammonia poses both safety and odor challenges.

The covers were produced using high-strength fiberglass and vinyl ester resin, providing excellent durability and gas sealing. The bright color and seamless curvature also add a visual identity to the treatment site, making it more organized and professional.

Technical Highlights

  1. Key features of the circular GRP tank covers include:
  2. Fully enclosed structure to prevent odor leakage
  3. High chemical and UV resistance for long-term outdoor use
  4. Lightweight yet robust panels with high structural integrity
  5. Modular installation with access hatches for inspection and cleaning
  6. Compatibility with ventilation systems and odor scrubbers

These dome covers are part of a broader strategy to enable smart odor control, reduce maintenance labor, and protect critical infrastructure from corrosion damage.

odor control

Supporting Sustainable Wastewater Solutions

The use of fiberglass reinforced plastic (FRP) in tank covering systems aligns with global efforts to build cleaner and more efficient wastewater treatment systems. By eliminating open exposure, facilities improve both internal operation and external environmental impact.

Hebei Leihong works closely with international clients to deliver custom-designed fiberglass cover systems for sludge tanks, equalization tanks, aerobic digesters, and other process zones.

Engineering Meets Aesthetics

Beyond function, the sleek, rounded look of the blue GRP covers adds a modern touch to the facility. It demonstrates how engineered composites can be both practical and visually integrated into urban and industrial infrastructure.

To learn more about circular GRP covers for WWTP, STP, or industrial odor control systems, reach out to our technical team.