Basic Info.

Model NO.



Environmental Monitoring Instrument





Clean Efficeincy



Chemical Industry

Main Function

Waste Gases Removal



Transport Package

Film Wrapped


ZheJiang China

Product Description

HangZhou Raidsant Machinery Co.;,; Ltd.; is majored in developing and manufacturing innovativepowder cooling pelletizing machinery and related industrial waste gas treatment machine.; With nearly 20 years’ production history,; we have a good market in more than 20 provinces in China,; and some of our products were exported to Saudi Arabia,;Singapore,;Mexico,; Brazil,;Spain,; America,; Russia and Korea,; etc.;


* More compact than the existing facilities 
* Low-operation costs 
* Long lifespan of facilities 
* No changes in pressure


Energy-saving system that burns volatile organic compound (VOC); and waste gas by using heat,; and it collects over 99.;8% of waste heat of exhaust gas by using ceramic regenerative materials (catalyst); with large surface area and low-pressure loss.;


1.; Painting drying process
2.; metal printing process
3.; fiber drying process
4.; adhesive tape process
5.; waste treatment process
6.; semiconductor manufacturing process
7.; smoke,; confectionary and baking process
8.; petrochemical process,; 
9.; medicine and food manufacturing process,; 
10.; other VOC generating process


 *   More compact than the existing facilities
 *   No changes in pressure
 *   High-heat recovery rate (over 95%);
 *   Perfect VOC treatment (over 99.;8%);
  *  Long lifespan of facilities
  *  Low-operation costs
  *  Able to be manufactured in circle or quadrangle

General Descriptions and Features:; 

1.; Operating principle
 Operation method that continuously changing discharges by rotating the Rotary Valve

2.; Process Pressure Change
  No pressure change because wind direction changes in order by the Rotary Valve rotation

3.; Investment Costs
 Around 70% of Bed Type

4.; Installation Space
 It is single vessel so it is compact and requires less installation space.;

5.; Maintenance
 It is easy to maintain it because Rotary Valve is the only 1 moving part.;
 Rotary Valve’s sealing part is rarely worn out because it rotates at low speed.;

6.; Stability
No risks in the process because it is always opened even when the Rotary Valve has troubles.;

7.; Treatment Efficiency
 Treatment efficiency maintains because sealing part is rarely worn out even if it is operated for a long time.;


Address: No.3,Zhenxin Middle Road, Economic Development Zone,HangZhou,ZheJiang

Business Type: Manufacturer/Factory, Trading Company

Business Range: Chemicals, Electrical & Electronics, Manufacturing & Processing Machinery, Security & Protection

Management System Certification: ISO 9001

Main Products: Pelletizer, Flaker, Pastillator, Granulator, Chemical Pelletizer, Vocs

Company Introduction: HangZhou Raidsant Machinery Co., Ltd. ., previously called HangZhou Xinte Plastic Machinery Factory is majored in producing innovative plastic recycling machinery. With nearly 20 years′ experience, we have a good market in 20 provinces in China, and some of our products were exported to Indonesia, Russia and Vietnam, etc. Our main products include DZ Type Pastillator, waste tire recycling line, Big Calibre Plastic Pipe shredders recycling line, continuous annealing tin-coation machine, QX type PET, PE & hull washing line, SDP double rails plastic recycling crusher, SJ hot cutting granule making unit, PVC tube (cinquefoil) product line, PVC Odd-shaped material product line for door and window, granule product line in water and Shredder for plastics and recycling. We acquired 5 technical patents.

Our corpotation lays emphsis on thchnical reconstruction, imports advanced technology from home and abroad, and develops new products constantly. Our tenet is challenging for hight quality, offering the best products. We are making efforts to realize our slogan. Satisfying our customers is our everlasting pursuit.

We are looking for the oversea customers or agents. If you are interested in our proposal, please let us know which of our products is the most likely to appeal to you or your customers. We should be very grateful if you give us some ideas of the marketprospects for our products. We hope to hear favorable information from you soon! It is our goal that we wish we could buid a good relationship with you now or in the near future. Please do not hesitate to contact us if you have any question or request.

We also sincerely welcome you to our company to discuss business and negotiate with us. For further expanding our market and customers, our company welcomes customer from domestic and aboard in an new-brand gesture on the basis of full-new mangement conception—quality, honour, service. We are looking for ISO 90001 mangement quality system to meet with our customers requirement!

regenerative thermal oxidizers

Can regenerative thermal oxidizers be used for odor control in sewage treatment plants?

Regenerative thermal oxidizers (RTOs) are not commonly used for odor control in sewage treatment plants. While RTOs are effective in controlling gaseous pollutants, their application for odor control in wastewater treatment facilities has certain limitations and considerations.

Here are some key points to consider regarding the use of RTOs for odor control in sewage treatment plants:

  • Nature of Odorous Compounds: Odors in sewage treatment plants are primarily caused by volatile organic compounds (VOCs) and sulfur compounds released during the treatment processes. RTOs are effective in treating VOCs, but they may not be specifically designed to address sulfur compounds, which can be challenging to control through thermal oxidation.
  • Operating Temperature: RTOs require high operating temperatures for efficient pollutant destruction. However, the presence of sulfur compounds in sewage treatment plant emissions can lead to corrosion and fouling at elevated temperatures, potentially impacting the performance and lifespan of the RTO system.
  • Complex Odor Mixture: Odors in sewage treatment plants are often complex mixtures of various compounds. RTOs are generally designed to treat specific target pollutants and may not be optimized for the treatment of the wide range of compounds present in sewage plant odors. A comprehensive odor control strategy typically involves multiple treatment techniques tailored to the specific odor profile.
  • Alternative Odor Control Technologies: Sewage treatment plants typically employ a combination of dedicated odor control technologies such as biofilters, activated carbon adsorption systems, chemical scrubbers, or other specialized methods. These technologies are specifically designed for the removal of odorous compounds and are often more suitable and efficient for odor control in wastewater treatment facilities.
  • Compliance with Regulations: Odor emissions from sewage treatment plants are subject to regulatory requirements and local community sensitivities. Sewage treatment facilities need to comply with applicable regulations and implement effective odor control measures that are proven to be efficient in mitigating the specific odor issues associated with their operations.

In summary, while RTOs are effective for controlling gaseous pollutants, they are not commonly used as the primary odor control technology in sewage treatment plants. Sewage treatment facilities typically employ dedicated odor control technologies that are specifically designed for the removal of odorous compounds and can provide optimal performance and compliance with odor regulations.

regenerative thermal oxidizers

Can regenerative thermal oxidizers handle corrosive exhaust gases?

Regenerative thermal oxidizers (RTOs) can be designed to handle corrosive exhaust gases effectively. However, the ability of an RTO to handle corrosive gases depends on several factors, including the choice of construction materials, operating conditions, and the specific corrosive nature of the exhaust gases. Here are some key points regarding the handling of corrosive exhaust gases in RTOs:

  • Material Selection: The selection of appropriate construction materials is crucial when dealing with corrosive gases. RTOs can be constructed using materials that offer high resistance to corrosion, such as stainless steel, corrosion-resistant alloys (e.g., Hastelloy, Inconel), or coated materials. The choice of materials depends on the specific corrosive compounds present in the exhaust gases and their concentrations.
  • Corrosion-Resistant Coatings: In addition to selecting corrosion-resistant materials, applying protective coatings can enhance the resistance of the RTO components to corrosive gases. Coatings such as ceramic coatings, epoxy coatings, or acid-resistant paints can provide an extra layer of protection against corrosion.
  • Temperature Control: Maintaining appropriate operating temperatures in the RTO can help mitigate the corrosive effects of the exhaust gases. Higher temperatures can promote the decomposition of corrosive compounds, reducing their corrosive potential. Additionally, operating at higher temperatures can enhance the self-cleaning effect and prevent the accumulation of corrosive deposits on the surfaces.
  • Gas Conditioning: Prior to entering the RTO, the exhaust gases can undergo gas conditioning processes to reduce their corrosive nature. This may involve pre-treatment methods such as scrubbing or neutralization to remove or neutralize corrosive compounds and reduce their concentration.
  • Monitoring and Maintenance: Regular monitoring of the RTO performance and periodic maintenance are essential to ensure the effective handling of corrosive exhaust gases. Monitoring systems can track variables such as temperature, pressure, and gas composition to detect any deviations that may indicate corrosion-related issues. Proper maintenance, including cleaning and inspection of the components, helps identify and address any corrosion concerns in a timely manner.

It is important to note that the corrosiveness of exhaust gases can vary significantly depending on the specific industrial process and the pollutants involved. Therefore, when designing an RTO for handling corrosive gases, it is advisable to consult with experienced engineers or RTO manufacturers who can provide guidance on the appropriate design considerations and material selection.

By employing suitable materials, coatings, temperature control, gas conditioning, and maintenance practices, RTOs can effectively handle corrosive exhaust gases while ensuring their long-term performance and durability.

regenerative thermal oxidizers

Can a regenerative thermal oxidizer handle high-volume exhaust gases?

Yes, a regenerative thermal oxidizer (RTO) is capable of handling high-volume exhaust gases emitted from industrial processes. RTOs are designed to handle a wide range of flow rates, including high-volume exhaust streams. Here are the reasons why RTOs are suitable for handling high-volume exhaust gases:

1. Scalability: RTOs are highly scalable and can be designed to accommodate varying exhaust gas volumes. The size and capacity of an RTO can be customized to match the specific requirements of the industrial process. This scalability allows RTOs to handle high-volume exhaust gases effectively.

2. Modular Design: RTOs often feature a modular design that allows multiple units to be installed in parallel. This modular configuration enables the treatment of large exhaust gas volumes by operating multiple RTO units simultaneously. The modular approach provides flexibility and ensures efficient handling of high-volume exhaust gases.

3. Large Heat Exchange Surface: RTOs incorporate structured ceramic media beds that provide a large heat exchange surface area. The media beds efficiently transfer heat between the incoming and outgoing gas streams, facilitating the oxidation of VOCs. The large heat exchange surface area enables RTOs to effectively handle high-volume exhaust gases while maintaining the required combustion temperature.

4. Heat Recovery: RTOs are known for their energy-efficient operation due to their heat recovery capabilities. The heat recovery system within an RTO captures and preheats the incoming process air by utilizing the heat energy from the outgoing exhaust stream. This heat recovery mechanism minimizes the energy consumption required to maintain the combustion temperature, making RTOs well-suited for handling high-volume exhaust gases without significantly increasing energy costs.

5. Effective Flow Distribution: RTOs are engineered to ensure proper flow distribution within the system. The design includes appropriate ductwork, valves, and dampers to evenly distribute the exhaust gases across the ceramic media beds. Effective flow distribution prevents preferential flow paths and ensures that all exhaust gases receive sufficient residence time for complete VOC destruction, even in high-volume exhaust gas applications.

6. Advanced Control Systems: Modern RTOs are equipped with advanced control systems that optimize the performance of the system. These control systems monitor and regulate various parameters, including temperature, airflow, and valve sequencing. The control systems adapt to the fluctuating exhaust gas volumes and maintain the required combustion temperature, ensuring efficient handling of high-volume exhaust gases.

In summary, regenerative thermal oxidizers (RTOs) are capable of effectively handling high-volume exhaust gases. Their scalability, modular design, large heat exchange surface, heat recovery capabilities, effective flow distribution, and advanced control systems make RTOs well-suited for industrial processes that generate substantial exhaust gas volumes.

China Best Sales High Efficiency Regenerative Thermal Oxidizer - Rto for Exhausting Vocs
editor by CX 2023-10-23