What are the common pollutants controlled by RTO gas treatment systems?

Regenerative Thermal Oxidizers (RTOs) are among the most effective and widely used technologies in the field of air pollution control. RTOs are used for the removal of various volatile organic compounds (VOCs) and hazardous air pollutants (HAPs) from industrial process exhaust gases. In this article, we will discuss the common pollutants that are controlled by RTO gas treatment systems.

1. Volatile Organic Compounds (VOCs)

VOCs are organic chemicals that have a high vapor pressure at room temperature. These chemicals are emitted from various industrial processes such as painting, coating, printing, and chemical manufacturing. RTOs are highly effective in controlling VOC emissions from these processes by oxidizing them at high temperatures. The RTO system consists of a combustion chamber, a heat recovery chamber, and a ceramic media bed. The VOC-laden process gas enters the RTO system, where it is preheated in the heat recovery chamber. The preheated gas then enters the combustion chamber, where it is oxidized at high temperatures, typically above 95% destruction efficiency.

2. Hazardous Air Pollutants (HAPs)

Hazardous Air Pollutants (HAPs) are pollutants that are known or suspected to cause cancer or other serious health effects. These pollutants are emitted from various industrial processes such as chemical manufacturing, petroleum refining, and waste incineration. RTOs are highly effective in controlling HAP emissions from these processes by oxidizing them at high temperatures. The RTO system operates at high temperatures, typically above 1500¡ãF, which ensures complete destruction of HAPs.

3. Nitrogen Oxides (NOx)

Nitrogen Oxides (NOx) are a group of highly reactive gases that are emitted from various industrial processes such as combustion of fossil fuels. These gases contribute to the formation of ground-level ozone and acid rain. RTOs can control NOx emissions by using selective catalytic reduction (SCR) technology. In this process, the NOx is selectively reduced to nitrogen and water using a catalyst, which is usually made of vanadium oxide or titanium oxide.

4. Sulfur dioxide (SO2)

Sulfur dioxide (SO2) is a colorless gas that is emitted from various industrial processes such as combustion of fossil fuels and smelting of ores. SO2 is a major contributor to acid rain and can cause respiratory problems in humans. RTOs can control SO2 emissions by using wet scrubbing technology. In this process, the SO2 is absorbed into a liquid scrubbing solution, typically a mixture of water and sodium hydroxide or calcium hydroxide. The scrubbing solution is then neutralized and disposed of properly.

5. Particulate Matter (PM)

Particulate Matter (PM) is a mixture of solid and liquid particles that are emitted from various industrial processes such as combustion of fossil fuels and grinding of materials. PM can cause respiratory problems in humans and contribute to the formation of smog. RTOs can control PM emissions by using fabric filters. In this process, the process gas passes through a fabric filter, which captures the PM particles. The captured particles are then removed from the fabric filter and disposed of properly.

6. Carbon Monoxide (CO)

Carbon Monoxide (CO) is a colorless, odorless gas that is emitted from various industrial processes such as combustion of fossil fuels. CO can cause headaches, dizziness, and nausea in humans. RTOs can control CO emissions by using catalytic oxidation technology. In this process, the CO is oxidized to carbon dioxide using a catalyst, which is usually made of platinum or palladium.

7. Hazardous Waste Gases

Hazardous waste gases are emitted from various industrial processes such as waste incineration and chemical manufacturing. These gases contain a variety of pollutants, including VOCs, HAPs, and particulate matter. RTOs can control hazardous waste gases by using a combination of the technologies discussed above, depending on the specific pollutants present in the gas stream.

8. Other Pollutants

RTO gas treatment systems can also control other pollutants such as hydrogen chloride (HCl), hydrogen fluoride (HF), and dioxins and furans. These pollutants are emitted from various industrial processes such as waste incineration and chemical manufacturing. RTOs can control these pollutants by using a combination of the technologies discussed above, depending on the specific pollutants present in the gas stream.

We are a high-tech enterprise devoted to providing comprehensive treatment solutions for volatile organic compounds (VOCs) waste gas and carbon reduction and energy-saving technology for high-end equipment manufacturing. Our core technical team is composed of over 60 R&D technicians, including 3 senior engineers at the researcher level and 16 senior engineers. Our team comes from the Aerospace Liquid Rocket Engine Research Institute (Aerospace Sixth Institute) and has extensive experience in thermal energy, combustion, sealing, and automatic control. We have the ability to simulate temperature fields and air flow field simulation modeling and calculation. Additionally, we have the ability to test the performance of ceramic thermal storage materials, the selection of molecular sieve adsorption materials, and the experimental testing of the high-temperature incineration and oxidation characteristics of VOCs organic matter. The company has built an RTO technology research and development center and an exhaust gas carbon reduction engineering technology center in the ancient city of Xi’an, and a 30,000m122 production base in Yangling. Our production and sales volume of RTO equipment is far ahead in the world.

We have several R&D platforms that allow us to perfect our technologies. These platforms include:

– High-efficiency combustion control technology test bench
Our high-efficiency combustion control technology test bench is a platform for comprehensively studying the combustion characteristics of various fuels, conducting combustion optimization research, and developing new combustion control technologies. We can simulate and study various combustion environments to improve the combustion efficiency of our products.

– Molecular sieve adsorption efficiency test bench
This platform is used to research and develop high-efficiency molecular sieve adsorbents and optimize the adsorption process for VOCs. We can test and optimize the performance of different types of molecular sieves, allowing us to develop new, more effective adsorption processes.

– High-efficiency ceramic thermal storage technology test bench
Our high-efficiency ceramic thermal storage technology test bench is a platform for researching and developing ceramic thermal storage materials and optimizing their performance. We test the thermal conductivity, heat capacity, and other properties of different types of ceramic materials to develop new, more effective thermal storage solutions.

– Ultra-high temperature waste heat recovery test bench
Our ultra-high temperature waste heat recovery test bench is used to research and develop effective waste heat recovery processes for high-temperature exhaust gases. We can test and optimize the performance of different types of heat exchangers and develop new waste heat recovery technologies.

– Gas fluid sealing technology test bench
Our gas fluid sealing technology test bench is used to research and develop new sealing materials and sealing processes for high-temperature, high-pressure gas fluids. We can simulate and test a variety of gas fluid flows to develop effective sealing solutions.

We own 68 patents on our core technologies, including 21 invention patents, which cover key components of our products. Among them, 4 invention patents, 41 utility model patents, 6 design patents, and 7 software copyrights have been authorized.

We have extensive production capabilities, including automatic shot blasting and painting production lines for steel plates and profiles, manual shot blasting production lines, dust removal and environmental protection equipment, automatic painting rooms, and drying rooms.

We invite you to partner with us and take advantage of our many strengths, including:

– Our cutting-edge technology and experienced team of R&D technicians can provide customized solutions for your specific needs.
– Our RTO equipment has a high purification efficiency and low energy consumption, making it environmentally friendly and cost-effective.
– Our production base has a large production capacity and sophisticated equipment, allowing us to produce high-quality products at a large scale.
– Our products have obtained many certifications, such as ISO9001, CE, and TUV, ensuring their quality and reliability.
– Our products have been widely used in many industries, including coating, printing, electronics, and chemicals.
– Our strong customer service team provides comprehensive pre-sale, in-sale, and after-sale services, ensuring that our customers are satisfied with our products and services.

Autor: Miya