Zeolite Rotary Concentrator + RTO
Time of issue:
Sep 15,2025
Hubei Sanjiang Boli Zeolite Rotor + RTO Success Case
——Engineering Benchmark for High-Efficiency Treatment of High-Flow, Low-Concentration Waste Gases
Project Background
Designed for an automotive manufacturing paint shop generating 80,000 Nm³/h of high-flow, low-concentration (400–500 mg/m³) organic exhaust (containing xylene, butyl acetate, etc.), the project adopted a "three-stage filtration + zeolite rotor + RTO" integrated process. It achieved ultra-low emissions compliant with DB42/1539-2019 (Surface Coating VOCs Emission Standard for Automotive Manufacturing).
Core Technologies
Intelligent Concentration System
Zeolite rotor achieves ≥95% adsorption rate, concentrating exhaust by 15–20×, drastically reducing downstream energy consumption.
Hydrophobic zeolite material withstands ≤70% relative humidity, extending service life to >8 years.
Energy-Saving Combustion
RTO operates at 820°C with 99% destruction efficiency and ≥95% heat recovery rate.
Self-sustaining combustion at just 1.2 g/Nm³, saving >¥800K annually in natural gas costs.
Performance Metrics
|
Parameter |
Inlet |
Outlet |
Removal Rate |
|
Non-methane THC |
480 mg/m³ |
≤15 mg/m³ |
99.1% |
|
Particulates |
50 mg/m³ |
≤5 mg/m³ |
90% |
|
Annual VOCs Reduction |
— |
320 tons |
— |
Innovations
Thermal Coupling: RTO waste heat powers rotor desorption, forming a closed-loop energy system.
Smart O&M: AI predictive models + digital twin platform cut maintenance costs by 42%.
Compact Design: 35% smaller footprint vs. traditional solutions, ideal for space-constrained facilities.
Industry Impact
This case provides a replicable model for painting, printing, and lithium battery industries, with a 2.8-year ROI. Recognized as a 2025 Hubei "Pollution-Carbon Reduction" Top 10 Demonstration Project
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