High-Performance QDPP Integrated Wastewater Treatment Systems

QDPP Integrated Wastewater Treatment System Overview

Developed by MOTIVA, the QDPP Integrated Wastewater Treatment System uses high-modulus polypropylene (PPH) and advanced spiral extrusion winding technology to produce seamless, one-piece tanks. Addressing the specific challenges of rural and small-town wastewater management in China, we have created a full range of models, including Horizontal Tank A/B, Vertical Tank A/B, and Hollow Tank A/B series.

Material Excellence

The QDPP Integrated Wastewater Treatment System uses high-modulus polypropylene (PPH) as its main material, featuring an elastic modulus ≥1500 MPa, significantly higher than that of traditional HDPE (approximately 800 MPa). The superior elasticity greatly enhances the ring stiffness and overall structural strength, making it highly resistant to pressure and deformation in drainage, sewage, and wastewater treatment applications. PPH is non-toxic, odorless, lightweight (density 0.90–0.91 g/cm³), and offers excellent moldability with low water absorption (only 0.01%).

Polypropylene exhibits excellent chemical resistance, withstanding most chemical agents except concentrated sulfuric and nitric acids. It is widely used in the manufacturing of anti-corrosion equipment and chemical components. With outstanding heat resistance, it remains stable at continuous operating temperatures around 100°C. Additionally, it offers superior dielectric properties, maintaining insulation even in high-humidity environments for enhanced operational safety.

Modified with β-phase treatment, PPH forms a fine and dense crystalline structure, delivering enhanced chemical resistance, high-temperature tolerance, and creep resistance. It also maintains excellent impact strength even at low temperatures. Being fully recyclable, PPH aligns with green environmental initiatives and sustainable development goals, making it an ideal choice for high-performance and eco-friendly applications.

Exceptional Material Properties

Building on the exceptional characteristics of PPH, the QDPP Integrated Wastewater Treatment System offers a range of benefits for enhanced performance and durability. The system features a high elastic modulus and superior ring stiffness, which contribute to its outstanding structural stability. It demonstrates excellent stress crack resistance, ensuring long-lasting reliability even in challenging conditions. A balanced combination of rigidity and impact strength adds to its durability, while its exceptional wear and chemical resistance ensure that it withstands even the harshest environments.

Furthermore, the system’s high flexibility and ductility, combined with its lightweight design, make it easy to handle, install, and relocate. Designed for longevity, it provides a service life of over 30 years, making it a cost-effective and sustainable solution for wastewater treatment applications.

Application Fields

Ideal for wastewater and exhaust gas treatment, lithium battery new energy production, chemical manufacturing, metallurgy, electroplating, textile dyeing, food processing, petroleum, electronics, pharmaceuticals, oil refining, light industry, acid production, and battery material manufacturing.

Core Features

• Safety: Seamless, leak-free one-piece construction.

• Durability: UV-resistant and anti-aging additives extend service life significantly.

• Cost Efficiency: Variable wall thickness design (up to 80mm) optimizes material usage.

• Corrosion Resistance: Resistant to a wide range of organic and inorganic chemicals.

• Ease of Installation: Lightweight, customizable, and easy to install or relocate.

• Wide Application: Supports both underground and above-ground installations.

System Specifications and Effluent Flow Process

Horizontal Tank A Specifications and Models

Horizontal Tank B Specifications and Models

Process Flow Diagram for Level A Effluent Discharge

Process Flow Diagram for Level A Effluent Discharge（漏图）

Process Flow Diagram for Level B Effluent Discharge（漏图）

System Highlights

• Dual Advanced Treatment Processes
  Multi-stage A/O and SNDI processes ensure compliance with Class 1A/1B standards and adapt to varying local regulations.
  Delivering flexible and reliable wastewater solutions for different project needs.
• Standardized and Automated Production
  Fully standardized tank and component manufacturing guarantees structural integrity, consistency, and a refined appearance.
  Every system is built to the highest industry standards, ensuring quality from the inside out.
• Low Operation and Maintenance Costs
  Biofilm technology minimizes sludge production, with a desludging cycle of 6–12 months. Proprietary electrochemical phosphorus removal further cuts operational costs.
  Reducing lifecycle costs while maximizing system efficiency.
• Strict Quality Control
  Comprehensive quality checks — from design to final testing — ensure reliable and durable performance.
  We don’t just promise quality — we rigorously prove it at every stage.
• Stable Effluent Quality
  Adjustable flow distribution, fixed media filtration, and advanced phosphorus removal ensure consistent and compliant discharge.
  Stable performance that meets even the most stringent environmental standards.
• Eco-Friendly, Long-Lasting Materials
  Fiber-reinforced PP composites offer superior corrosion resistance and structural strength, with a service life exceeding 30 years.
  Sustainability and durability combined for future-ready wastewater treatment.
• Automation and Smart Management
  The integrated Chaos IoT controller provides hardware control, data management, and remote operation via cloud connectivity.
  Smarter operations start with intelligent system control.
• Flexible Installation Options
  Supports underground installations to optimize land use and insulated above-ground setups for diverse climatic conditions.
  Designed for versatility, built to adapt to every environment.

Why Partner with MOTIVA?

Crafted from high-modulus polypropylene (PPH) using seamless molding technology, MOTIVA’s QDPP systems deliver outstanding structural strength, excellent chemical resistance, and extended service life—lasting over 30 years even under demanding operating conditions. Our systems maintain stable effluent quality and operational efficiency while minimizing sludge production and system downtime.

With advanced in-house R&D and manufacturing capabilities, we provide fully customized QDPP solutions tailored to your specific wastewater treatment needs—whether for municipal, rural, or industrial applications. Engineered for easy installation, flexible deployment (above-ground or underground), and low maintenance, the QDPP series offers exceptional long-term value and reliability for your project.

🛠 Get in Touch for a Tailored Solution

Looking for a durable, space-efficient, and cost-effective solution for your wastewater treatment challenges? Our expert engineering team is ready to recommend the optimal QDPP system configuration based on your site’s requirements.Contact us today for a free consultation and customized proposal.

FAQs

Q1: How does the QDPP system differ from traditional solutions?

A1: It offers greater strength, chemical resistance, and service life through advanced materials and A/O biological treatment processes.

Q2: Is customization available?

A2: Yes, MOTIVA provides fully customized solutions based on site-specific conditions and requirements.

Q3: What is the expected service life?

A3: Over 30 years under standard operating conditions.

Q4: Can the system be installed underground?

A4: Absolutely. Its lightweight yet high-stiffness design is ideal for underground deployment.

Q5: What are the maintenance requirements?

A5: Routine inspections are recommended, but overall maintenance is minimal and cost-effective.