Comparing Odor Removal Technology Among Plasma, UV and Activated Carbon

2024-12-21

Which Filtration the best in Smell Eliminating, Plasma, UV or Activated Carbon?

In modern life, with the growth of industrialization and urbanization, odor problems have become increasingly prominent. These odors not only affect air quality but can also pose risks to people's health. To address this issue, various odor removal devices have emerged on the market, each using different technologies to eliminate or reduce odors. The following is a comparison of several common odor removal devices, including UV lamps, activated Carbon Filters, and low-temperature plasma devices. Each has unique principles and application scenarios, making them suitable for different environments and needs.

Chapters of this article

Working Principle and Application of UV Odor Removal

The Working Principle of UV Odor Removal

UV lamps produce high-energy ultraviolet light at specific wavelengths, along with ozone. The high-energy UV light shines on odorous volatile organic compounds (VOCs) in the air. Deep UV LED technology, which uses LEDs emitting UV light with wavelengths between 200nm and 280nm, penetrates the outer layers of viruses, fungi, spores, and other microorganisms. By breaking DNA or RNA base pairs and disrupting nucleic acid replication or protein structures, it achieves rapid sterilization. Additionally, UV light can break some chemical bonds in organic molecules, converting them into harmless low-molecular compounds like CO₂ and H₂O, effectively removing odors.

On the other hand, UV-C light in the 185nm wavelength range reacts with oxygen in the air to produce ozone (O₃). Ozone, a powerful oxidizing agent, can permanently break down odor-causing molecules like alcohols, esters, aldehydes, and benzenes into harmless compounds such as water vapor and carbon dioxide. This process helps reduce the presence of odorous compounds.

Application of UV Light Odor Removal

UV-based odor removal devices are often used to treat odors in restaurants and VOC gas odors from certain chemical industries. For example, the electrostatic oil fume purifiers produced by Kleanland Environmental Technology Co., Ltd. can be equipped with optional UV lamps, providing a cost-effective solution for removing mild odors in exhaust fumes.

The Working Principle and Applications of Activated Carbon Filter

The Working Principle of Activated Carbon Filter

Activated carbon is a porous carbon-based material with a highly developed pore structure, giving it a large surface area. This allows it to come into full contact with odorous volatile organic molecules in the air and quickly trap these molecules within its pores. As a result, activated carbon is highly effective at removing odors from gases containing volatile organic compounds (VOCs). However, before using activated carbon for odor removal, solid and liquid particles in the gas must be thoroughly filtered out. Otherwise, these particles can clog the pores of the activated carbon, preventing it from adsorbing VOCs and rendering it ineffective for odor removal.

Application of Activated Carbon Filtration

Activated carbon is widely used for Air Purification in cars and newly renovated homes to remove VOC pollutants left from construction. It is also commonly applied to eliminate odor from exhaust gases in the restaurant and chemical industries. For example, Kleanland Environmental Technology Co., Ltd. offers activated carbon odor removal components for their electrostatic oil fume purifiers, effectively removing odors from restaurant emissions. This technology is especially popular among users with strict odor control requirements. Kleanland also applies activated carbon technology in the chemical industry, incorporating desorption and recovery techniques to capture and reuse VOCs that would otherwise be released into the atmosphere. This recycling approach provides significant economic and social benefits.

Activated carbon smell eliminator from Kleanland

The Working Principle and Applications of Plasma Odor Removal

Application of Plasma Odor Elimination

Low-temperature plasma odor removal equipment is highly powerful and is often used in environments with strong odors, such as waste incineration plants and sewage treatment facilities. Before the gas enters the plasma equipment, solid and liquid particles must be thoroughly filtered to prevent contamination that could disrupt the generation of the plasma field. Kleanland Environmental Technology Co., Ltd. also provides low-temperature plasma odor removal equipment, which can be combined with the company's electrostatic dust removal systems to offer users a one-stop solution for controlling pollution in exhaust emissions.

The road ahead may seem difficult, but now we have crossed it and are ready to start anew. Standing at the forefront of the "specialized and innovative" R&D frontline, Kleanland continues to focus on research and development and lean production. The company remains committed to advancing technologies in areas such as distributed purification systems, integrated purification systems, modular purification systems, specialized purification equipment for niche industries, high-reliability redundant parallel power sources, wide-plate-spacing horizontal electric fields, ultra-fast arc-extinguishing self-recovery, multi-dimensional automatic cleaning, and active linkage fire protection. Kleanland is leading the environmental equipment industry toward a path of higher efficiency, greater energy savings, and cleaner solutions.

With the vision of creating a blue sky through technology, we dedicate fresh air to the world. Kleanland is eager to collaborate with global partners to contribute the light of technology to beautiful living spaces and a greener Earth.