TONEXUS Environmental Protection Technology Co., Ltd.
TONEXUS Environmental Protection Technology Co., Ltd.

Flue Gas Treatment Catalyst Solution

  • Low-temperature SCR denitration catalyst
    Low-temperature SCR denitration catalyst

    Strong ultra-low temperature activity: applicable temperature 150–350°C (efficiency ≥85% at 150–160°C, ≥90% at ≥160°C)
    Excellent resistance to alkali (alkaline earth) metal poisoning, excellent sulfur resistance, and strong hydrophobicity

  • Wide-temperature CO oxidation catalyst
    Wide-temperature CO oxidation catalyst
    • Full temperature range from 240°C to 380°C

    • High activity at low temperature: CO removal efficiency ≥80% at 240°C

    • Energy saving and efficiency improvement, reducing operating costs

    • Strong resistance to poisoning and strong hydrophobicity

  • Multi-functional catalyst
    Multi-functional catalyst

    Three-in-one: CO + NOx + VOCs

    Simultaneous removal of CO, NOx, and VOCs at 280–420°C

    Fewer catalyst layers, reducing retrofit costs

    Direct replacement for existing SCR systems

  • Non‑Methane Hydrocarbons Removal Catalyst
    Non‑Methane Hydrocarbons Removal Catalyst
    • Combines low-temperature adaptability, tolerance to complex operating conditions, and synergistic multi-pollutant control

    • High activity at low temperature; reaches optimal operating range starting at 240°C

    • Applicable to 240–420°C operating conditions, covering typical temperature fluctuations in coke oven flue gas

    • Adaptable to environments with coexisting components such as SO₂, NOx, high humidity, aromatics, and alkanes

    • Retains partial SCR functionality to synergistically reduce NOx and ammonia slip

Typical Projects

Projects covering more than 20 industries, with over 800 cases worldwide.


  • Asia Symbol (Shandong) Pulp and Paper Co., Ltd.
    Asia Symbol (Shandong) Pulp and Paper Co., Ltd.
  • Baosteel Zhanjiang Iron & Steel Co., Ltd.
    Baosteel Zhanjiang Iron & Steel Co., Ltd.
  • Tangshan Reafon Steel and Iron (Group) Co., Ltd.
    Tangshan Reafon Steel and Iron (Group) Co., Ltd.
  • Shanghai Contran Environmental Co., Ltd.
    Shanghai Contran Environmental Co., Ltd.
  • Guangxi Liuzhou Iron and Steel Group Co., Ltd.
    Guangxi Liuzhou Iron and Steel Group Co., Ltd.
  • Tangshan Reafon Steel and Iron (Group) Co., Ltd.
    Tangshan Reafon Steel and Iron (Group) Co., Ltd.

Main Service Areas

Providing customized solutions for different flue gas conditions

  • Iron‑and‑steel Sintering
    Iron‑and‑steel Sintering
  • Coking
    Coking
  • Waste Incineration
    Waste Incineration
  • Industrial Silicon
    Industrial Silicon
  • Lime Kiln
    Lime Kiln
  • Papermaking
    Papermaking
  • Power Generation
    Power Generation
  • Chemical Industry
    Chemical Industry

Customized Service System

Providing customers with one-stop, full-process flue gas treatment services

Customized Service System

Why Choose Tonexus

Strategic Global Partner for Industrial Decarbonization and Pollution Reduction
Why Choose Tonexus

TONEXUS Environmental Protection Technology Co., Ltd., established in 2006 and listed on the Shenzhen Stock Exchange Main Board (Stock Code: 003027), upholds the corporate philosophy of “Toward Net-Zero, Beyond Industry.” The company is committed to becoming a globally recognized strategic partner in pollution reduction, carbon mitigation, and industrial net-zero transformation, contributing TONEXUS’s technological expertise to the world’s green transition. Its core business areas cover Flue Gas Treatment (EPC & Catalysts), CCUS, and the R&D and production of new energy materials and equipment, serving key sectors such as steel, power generation, coking, construction materials, chemical industry, non-ferrous metals, waste incineration, pulp and paper, and renewable energy.

  • Chemical Industry
    Tech Leadership Edge

    International-leading low-temp SCR denitration (60% energy-saving), 6 patented techs, and advanced CO2 absorption solvents TX-1 solving amine oxidation.

  • Chemical Industry
    Industrial-Scale Capacity

    20,000m³/year catalyst production across 3 specialized plants + 100,000㎡ eco-equipment facility enabling full-chain solutions.

  • Chemical Industry
    Certified Excellence

    Class-A design/engineering licenses, National Green Factory title, 200+ patents, and multiple national science awards.

  • Chemical Industry
    Proven Market Impact

    800+ successful projects across 20+ industries, validated by global industrial decarbonization partnerships.

Flue Gas Treatment Catalyst
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Flue Gas Treatment Catalyst
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Process & Technology consult
Absorption solvent replacement
Equipment supply
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Cooperation method
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