Waste Gas Treatment for SMEs
Selection Guide for Low-Cost Modular Equipment - Achieving Compliance with Affordable, Flexible Solutions
SME Waste Gas Treatment Challenges
Small and medium enterprises face the same stringent emission standards as large corporations, yet are constrained by limited financial budgets, technical capabilities, and site conditions. Modular equipment provides tailored solutions with plug-and-play functionality and standardized production.
Core Pain Points Analysis
Financial Pressure
Traditional systems cost 500K-3M yuan (20-50% of annual profits). 80% of SMEs have environmental budgets below 300K yuan, creating a 2-5x gap with actual needs.
Limited Space
SME workshops average 200-800m², while traditional equipment requires 100-300m². Compact, vertical solutions become essential.
Variable Characteristics
Multi-variety production causes 50-300% emission fluctuations with 10-50 organic compounds, concentration ranges 50-2000mg/m³.
Limited O&M Capability
90% lack dedicated environmental staff, requiring "foolproof" systems with <5% failure rates and ≤2-hour maintenance windows.
Four Mainstream Modular Technologies
Activated Carbon Adsorption
Cost: 30-80K yuan/set | Efficiency: 85-95% | Application: Low-concentration VOCs (50-500mg/m³) from painting, printing, labs. Requires regular carbon replacement every 3-6 months.
Photo-Oxidation Catalytic
Cost: 50-120K yuan/set | Efficiency: 80-95% | Application: Medium-low odors (20-300mg/m³) from food processing, sewage treatment. Efficiency drops if humidity >70%.
Plasma Purification
Cost: 80-200K yuan/set | Efficiency: 90-98% | Application: Complex components from electronics, injection molding, rubber. Sensitive to particulates and high humidity.
Small RCO Catalytic
Cost: 150-350K yuan/set | Efficiency: 95%+ | Application: Medium-high concentration VOCs (500-3000mg/m³) from paint production, pharmaceuticals. Heat recovery reduces energy costs 60-80%.
Scientific Five-Step Selection Method
Challenge: Annual outsourced carbon disposal costs 180,000 yuan for toluene/xylene treatment (200-800mg/m³, 12,000m³/h). Solution: "Activated carbon concentration + catalytic combustion" modular system with 280,000 yuan investment. Results: Annual operating costs reduced to 40,000 yuan, 140,000 yuan savings, 2-year payback, 96% VOCs removal efficiency, emissions stable below 15mg/m³.
Challenge: Seasonal fluctuations with waste gas volume 5,000-20,000m³/h, complex alcohol/ester/aromatic compositions. Solution: Modular plasma system with 6 initial units (2,500m³/h each), expandable to 10 units. Results: Avoided 150,000 yuan over-investment, 93%+ treatment efficiency, full production adaptation.
Select the Right Modular Solution for Your SME
Transform environmental compliance from cost burden to competitive advantage. Achieve efficient waste gas treatment within affordable budgets through scientific selection, reasonable configuration, and standardized operation.
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