The VOC exhaust gas treatment equipment consists of a microwave generator, an ion ozone generator, a control box, a medium efficiency filter, a titanium dioxide photocatalyst, and an outer box.

Working principle of VOC waste gas treatment equipment

The high ozone UV beam is used to irradiate organic gases and oxygen molecules in the air, breaking down the molecular bonds of organic gases and decomposing oxygen molecules in the air to produce free oxygen, namely reactive oxygen species, UV+O2 → O -+O * (reactive oxygen species) O+O2 → O3 (ozone). Free state pollutant molecules combine with ozone oxidation to form small molecule harmless or low harm compounds, such as CO2, H2O, etc. Thus achieving the effect of purifying gas. The purification ability can reach 99%.

Reaction engineering formula: 1. UV+high molecular weight organic matter → low molecular weight organic matter

2. UV+air (O2) → O3

3. Low molecular weight organic compounds+O3 → CO2+H2O+N2

Theoretical support for VOC waste gas treatment equipment technology

The high-power ultraviolet discharge tube used in this UV photolysis purifier is a low-pressure mercury discharge tube, emitting ultraviolet wavelengths mainly at 170nm and 184.9nm (currently under research and development of a series of products with wavelengths ranging from 150nm to 184.9nm), with photon energies of 742 KJ/mol and 647 KJ/mol, respectively. To break the molecular bonds of pollutant molecules, it is necessary to use photon energy that is stronger than the binding energy of pollutant molecules. Table 1 lists the binding energies of the main chemical molecules. According to Table 1, the molecular binding energy of most chemical substances is lower than the photon energy of 170nm and 184.9nm wavelength ultraviolet light. Therefore, this UV photolysis purifier can decompose most chemical substances except for carbon, calcium, and metals.

What are the advantages of VOC waste gas treatment equipment?

(1) Deodorization: It can remove major pollutants such as volatile organic compounds (VOCs), inorganic substances, hydrogen sulfide, ammonia, thiols, as well as various odors, with a deodorization efficiency of over 99%. The deodorization effect greatly exceeds the odor pollutant emission standards (GB14554-93) issued in China in 1993 and the "Comprehensive Emission Standards for Air Pollutants" (GB16297-1996) issued in 1996.

(2) No need to add any substances: only the corresponding exhaust pipes and exhaust power need to be set up to decompose and purify the odor/industrial waste gas through this equipment, without adding any substances to participate in chemical reactions.

(3) Strong adaptability: The UV photolysis purifier can adapt to the deodorization and purification treatment of high concentration, atmospheric volume, and different industrial waste gases. It can work continuously 24 hours a day and operate stably and reliably.

(4) Low operating cost: UV photolysis purifier has no mechanical action, no noise, no need for dedicated management and daily maintenance, only requires regular inspections. This equipment has low energy consumption and extremely low air resistance<50pa, which can save a lot of exhaust power energy consumption.

(5) No pre-treatment required: Organic gases do not require special pre-treatment such as heating, humidification, etc. The equipment can work normally in an environment with a temperature between -30 ℃ and 95 ℃, a humidity between 30% and 98%, and a pH value between 2-13.

(6) The equipment has a small footprint and light weight: suitable for special conditions such as compact layout and narrow space. The equipment occupies an area of less than 1.2 square meters and can handle an air volume of 10000m3/h.

(7) Material manufacturing: High fire and corrosion resistance, stable equipment performance, made of stainless steel material, with a service life of over fifteen years.

(8) Product: Adopting China's technological concept, this environmentally friendly purification product with independent intellectual property rights has been developed through long-term repeated experiments by technical personnel and our company's engineering and technical personnel. It can decompose toxic and harmful substances in industrial waste gas and achieve high efficiency in deodorization and purification. After decomposition, the industrial waste gas can be discharged harmlessly without producing secondary pollution, while achieving the same effect.

Scope of use of VOC waste gas treatment equipment

The main source of exhaust gas

hydrogen sulfide

Production or processing of kraft pulp, oil refining, coking, petrochemicals, coal gas, manure treatment, carbon disulfide

thiols

Cowhide pulp, oil refining, coal gas, pharmaceuticals, pesticides, synthetic resin, synthetic fibers, rubber

Thioethers

Cowhide pulp, oil refining, pesticides, garbage disposal, domestic sewage system

ammonia

Nitrogen fertilizer, nitric acid, coking, manure treatment, meat processing

amine

Aquatic processing, livestock processing, leather, bone glue

indoles

Fecal treatment, domestic sewage treatment, coking, meat decay, slaughtering livestock

nitro-

Fuel and explosives

Hydrocarbons

Refining, coking, petrochemicals, calcium carbide, fertilizers, internal combustion engine exhaust, paint, solvents, ink printing

aldehyde

Refining, petrochemicals, pharmaceuticals, internal combustion engine exhaust, waste disposal, casting

Case study of VOC waste gas treatment equipment

Huakang VOC waste gas treatment equipment has a high purification capacity; The equipment produces no secondary pollutants; No need to add chemical agents; Convenient maintenance management and low operating costs; Strong adaptability, with a processing efficiency of up to 90%.

Huakang Zhongtian provides chemical plants withVOC waste gas treatment equipment