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Home - News - Two-Stage DTRO Wastewater Treatment Equipment: An Advanced Solution for Sustainable Environmental Protection

Two-Stage DTRO Wastewater Treatment Equipment: An Advanced Solution for Sustainable Environmental Protection

June 13, 2025
Introduction As environmental concerns and wastewater treatment demands escalate, the Two-Stage Disk Tube Reverse Osmosis (DTRO) wastewater treatment system emerges as a revolutionary technology. Designed to address the challenges of high-concentration wastewater, this innovative equipment combines advanced membrane separation technology with efficient resource recovery, offering sustainable solutions for various industries.
Core Technology and Mechanism The Two-Stage DTRO system is based on the patented Disc Tube Reverse Osmosis (DTRO) membrane module. Its unique structure features stacked membrane sheets and hydraulic distributors, enclosed in a pressure-resistant casing. Key technical advantages include:
1.
Open Channel Design: The membrane channels are designed with convex-pointed distributors, allowing wastewater with high turbidity, suspended solids, and colloids to flow through without clogging.
2.
Double-S-shaped Flow Pattern: Fluids pass through the membrane in a zigzag pattern, maximizing contact and minimizing fouling.
3.
High Pressure Tolerance: Operating pressures up to 200 bar ensure effective separation even in challenging wastewater conditions.
4.
Modular Configuration: The system can be customized for single-stage or two-stage treatment, meeting diverse discharge standards.
System Composition A typical Two-Stage DTRO system integrates:
Pretreatment Unit (pH adjustment, sand filtration)
First-Stage DTRO Module (primary purification)
Second-Stage DTRO Module (advanced polishing)
Chemical Dosing System (scale inhibitors, acidification)
Central Control Platform (automated operation and monitoring)
Storage Tanks (raw water, permeate, concentrate)
Cleaning System (periodic membrane maintenance).
Key Advantages
1.
Environmental Efficiency:
Consistent compliance with national discharge standards (e.g., GB 16889-2008).
Minimal reliance on wastewater biodegradability, suitable for landfill leachate, industrial effluent, and more.
2.
Economic Benefits:
Lower operating costs compared to traditional processes (e.g., MBR+NF).
Resource recovery: Recycling valuable components from wastewater reduces raw material expenses.
3.
Technical Superiority:
Membrane lifespan of 3-5 years due to anti-fouling design and easy maintenance.
High recovery rates (75-95%) customizable based on client needs.
Compact design saves installation space, ideal for small/medium-scale sites.
4.
Operational Flexibility:
Resilient to fluctuating influent quality, ensuring stable performance.
Remote monitoring and automation minimize manual intervention.
Application Scenarios The Two-Stage DTRO system has proven efficacy in:
Municipal solid waste landfill leachate treatment.
Industrial wastewater (e.g., textile, chemical, food processing).
Zero liquid discharge (ZLD) systems in petrochemical and power plants.
Emergency wastewater treatment for flood or post-disaster scenarios.
Real-world Case Study A central city’s waste incineration plant adopted a Two-Stage DTRO system:
Influent: COD 25,000 mg/L, NH₃-N 1,500 mg/L.
Effluent: COD < 50 mg/L, NH₃-N < 8 mg/L, meeting Class A discharge.
Cost savings: 30% reduction in OPEX vs. conventional MBR+RO.
Resource reuse: Treated water used for plant cooling and irrigation.
Environmental Impact By reducing pollutant discharge and promoting water reuse, the DTRO system aligns with global "Green Ecology" goals. Its ability to transform wastewater into reusable resources embodies the circular economy principle, contributing to sustainable urban development.
Why Choose Our Two-Stage DTRO Solution?
Customization: Tailored designs for specific wastewater characteristics and discharge targets.
Reliability: Proven performance across >500 installations worldwide.
Service Support: End-to-end services from engineering to after-sales maintenance.
Innovation: Continuous R&D upgrades to enhance efficiency and durability.
Contact Us Explore how our Two-Stage DTRO system can revolutionize your wastewater management. Schedule a consultation today!
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Key Features of the Content:
1.
Technical Depth: Clear explanation of DTRO mechanics, system components, and operational advantages.
2.
Industry Relevance: Highlighted applications and real-world data enhance credibility.
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SEO-friendly: Strategic use of terms like "GB 16889-2008," "ZLD," and "Circular Economy" for targeted traffic.
4.
Engaging Structure: Headings, bullet points, and case studies improve readability.
5.
Call to Action: Encourages potential clients to inquire, boosting lead generation.