Our Patents

Innovative technologies protected by utility model patents

Innovation in Sludge Treatment

Our parent company has developed proprietary technologies that represent significant advancements in sludge treatment and resource recovery. These innovations are protected by utility model patents granted by the China National Intellectual Property Administration.

Sludge Composting Aeration Device

Patent No. ZL 2023 2 0513425.7

Type: Utility Model Patent

Publication Date: September 8, 2023

This innovative aeration device significantly improves the composting process for treated sludge, ensuring efficient oxygen distribution throughout the composting material.

Key Features

  • Unique elastic seal design prevents sludge backflow
  • Pressure-triggered outlet mechanism
  • Multi-branch aeration layout for uniform oxygen distribution
  • Self-pressurizing air tank for low-energy operation
  • Durable construction for long service life

Benefits

  • Improved composting efficiency
  • Reduced energy consumption
  • Consistent oxygen levels throughout material
  • Lower maintenance requirements

Sludge Eco-Bed & Composting System

Patent No. ZL 2023 2 0513426.1

Type: Utility Model Patent

Publication Date: September 8, 2023

An integrated eco-bed design that combines sludge treatment with natural filtration, creating a sustainable system for returning treated material to agricultural use.

Key Features

  • Innovative eco-bed structure for natural filtration
  • Integrated composting and plant growth zones
  • Sludge filtrate purification before soil return
  • Synergistic design maximizes resource recovery
  • Supports sustainable agricultural practices

Benefits

  • Complete resource recovery cycle
  • Natural water treatment process
  • Support for vegetation growth
  • Environmentally harmonious design

Research Partnerships

Our innovations are developed in collaboration with leading academic institutions.

Tongji University

Collaboration on advanced dewatering technology and plate-frame filtration systems for optimal moisture reduction in sludge treatment.

Yangzhou University

Partnership for quality testing and laboratory analysis, ensuring all processed materials meet environmental safety standards.

Innovation and research illustration

Commitment to Innovation

At LiDan Environmental, we believe that continuous innovation is essential to addressing the world's environmental challenges. Our research and development efforts focus on:

  • Improving treatment efficiency and reducing costs
  • Developing new applications for recovered resources
  • Minimizing environmental impact of operations
  • Adapting technologies for different regional requirements
  • Exploring automation and smart monitoring solutions

We continue to invest in R&D and academic partnerships to stay at the forefront of sludge treatment technology.

Interested in Our Technology?

Learn more about licensing opportunities or technology partnerships.

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