FRP Denitrification Tower

FRP Denitrification Tower

一个 FRP Denitrification Tower is a specialized gas treatment system designed to remove nitrogen oxides (NOₓ) from industrial exhaust gases using chemical absorption or catalytic reduction. These towers are constructed from 玻璃纤维增强塑料 (FRP) for their outstanding corrosion resistance, structural integrity, and long-term durability in chemically aggressive environments.

产品性能介绍

Denitrification towers are essential in steel manufacturing, waste incineration, power plants, fertilizer production, chemical synthesis, and other industries where NO and NO₂ gases are generated. These towers play a vital role in achieving environmental compliance with national and international NOₓ emission regulations, including EPA, EU standards，和 local air quality management laws.

Depending on the process, denitrification towers may operate through wet scrubbing, selective catalytic reduction (SCR)，或者 selective non-catalytic reduction (SNCR) mechanisms. FRP is particularly suited to wet scrubbing applications where acidic or oxidizing solutions such as H₂O₂, NaOH，或者 KMnO₄ are used to neutralize NOₓ.

主要特征

耐腐蚀性能: Handles oxidizing, acidic, and alkaline environments with superior durability.
High Removal Efficiency: Up to 95–98% NOₓ removal with optimized reagent dosing and tower design.
Custom Engineered: Designed per emission load, gas flow rate, and temperature for optimal treatment.
轻质结构: Easier handling and reduced installation cost vs. metal alternatives.
Long Service Life: FRP life expectancy ranges from 15 to 25 years with minimal maintenance.

Working Principle (Wet Scrubbing)

Exhaust gas enters the lower inlet of the tower.
Liquid oxidizing agent (e.g., NaClO₂, H₂O₂, or KMnO₄) is sprayed downward through spray nozzles.
The NO and NO₂ are absorbed and oxidized into HNO₃ 或者 NO₃⁻ compounds in the packing section.
Cleaned gas passes through the mist eliminator and exits through the exhaust stack.
Absorbent liquid is recirculated via a chemical-resistant pump.

Typical Applications

Waste incineration plants
Chemical fertilizer production
Nitric acid production units
Steel mills and foundries
Glass manufacturing
Thermal power generation
Pharmaceutical plants

Technical Data Sheet (TDS) – FRP Denitrification Tower

范围	规格
Material of Construction	FRP (Isophthalic, Vinyl Ester, Bisphenol-A resins based on chemistry)
Structure Type	Vertical cylindrical tower with flanged connections
Tower Diameter	500 mm – 4000 mm (custom sizes available)
Design Flow Rate	1,000 m³/hr to 100,000+ m³/hr
Removal Efficiency	85–98% NOx removal (with proper chemical or catalytic process)
Scrubbing Liquid	NaOH + NaClO₂, H₂O₂, KMnO₄, NaHSO₃ (adjustable per application)
Packing Material	PP / PVC Pall Rings, Raschig rings, or structured plastic packing
Mist Eliminator	Chevron blade or mesh pad (PP, FRP)
Recirculation Pump	PP / FRP / SS316, chemical-resistant centrifugal pump
Temperature Range	20–70°C (standard); up to 120°C with high-temp resin options
pH Range (operation)	5 – 10 (depending on scrubbing agent)
Coating Thickness	3–6 mm inner liner with corrosion barrier + structural FRP layers
抗紫外线	Yes, with gelcoat or pigmented resin exterior
Design Pressure	± 200 mmWC (standard); higher pressure ratings available on request
Blower Material	FRP / PP / MS-FRP lined with corrosion coating
Noise Level	< 75 dB(A) at 1 m
Inspection Openings	Side manholes, top cover access, drain ports
Maintenance Cycle	Quarterly inspections; semi-annual chemical cleaning
System Lifespan	15–25 years
认证	ISO 9001, EPA/CPCB compliance, CE mark, optional ATEX for explosive zones

Standard Inclusions

FRP Denitrification tower body
Demister unit (FRP or PP)
Nozzle array and spray header
Recirculation pump and piping
Instrumentation ports (for pH, ORP, level sensors)
Chemical dosing ports
Access doors and drain connections

Optional Add-ons

PLC-based automatic control system
pH and NOₓ sensor integration
Stainless steel or lined blowers
Flame-retardant resin (ASTM E84 compliant)
Stack with bird cage and lightning arrestor
Skid-mounted integrated systems

Packaging & Delivery

包装: Wooden crate, bubble wrap, or shrink film as per export standards
Lead Time: 4–6 weeks depending on project scope
送货: Worldwide shipping with on-site installation support available

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FRP Denitrification Tower

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应用场景

Chemical processing plants Wastewater treatment facilities Laboratories and chemical research centers Pulp and paper industry Semiconductor and electronics production Food processing and odor control Pharmaceutical manufacturing

品牌：
TF复合
产品名称：
FRP Purification Tower

询问

常问问题

问： What is an FRP Purification Tower? 答： An FRP Purification Tower is a vertical or horizontal tower system made of Fiberglass Reinforced Plastic (FRP) used to purify and treat industrial exhaust gases by removing harmful contaminants such as acid fumes, alkaline vapors, ammonia, chlorine, sulfur compounds, and odors. It operates using wet scrubbing, chemical absorption, or other neutralization methods.
问： What gases can an FRP Purification Tower remove? 答： Acidic gases: HCl, H₂SO₄ mist, SO₂, Cl₂ Alkaline gases: NH₃ Organic compounds: VOCs (when combined with bio or carbon filters) Corrosive vapors: HF, HBr, NOₓ Odorous gases: H₂S, mercaptans
问： Why use FRP instead of steel or PVC? 答： Excellent corrosion resistance Longer service life (15–25 years) Resistant to acids, alkalis, oxidants, and saltwater Lightweight and easy to install Lower maintenance costs Suitable for outdoor and marine environments
问： How does an FRP Purification Tower work? 答： Polluted gas enters the tower through the inlet. The gas passes upward (countercurrent) through scrubbing media. A liquid (usually water or a chemical solution) is sprayed downward. Pollutants are absorbed or neutralized in the scrubbing section. Clean air exits through the demister and stack.

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