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Odret (Direct Fired Incinerator)

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  • VOC Treatment & Odor Control System

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Odret was built on our vast experience as a paint plant manufacturer, and hundreds of these facilities are now in operation around the world.
It can handle gases with any component and concentration, and oxidize and decompose almost every harmful or malodorous component with a high treatment efficiency and consistency.

External view

External view

Internal view

Exhaust gas treatment with Odret:

  • Uniformly heats a harmful or malodorous gas at 750°C or higher.
  • Occurs when a target gas remains in the reactor for 0.5 seconds or longer.

In general, when treating an exhaust gas from the production process with only its oxidative decomposition energy for combustion, the concentration of the gas is not high enough to maintain the necessary temperature level in the reactor (750°C ). Therefore, some fuel is required, however its cost is saved with the heat exchange between an oxidized and decomposed gas and the next untreated gas (heat transfer efficiency = 75% max.)

Features of Odret

Consistent treatment

Treatment temperature can be easily adjusted based on the components in the exhaust gas, enabling consistent treatments. The exhaust gas components are fully treated with combustion.

High deodorization efficiency

Malodorous components are directly burned, decomposing and removing foul odors completely.
The exhaust gases containing silicon (Si), phosphorus (P), and sulfur (S), as well as gases containing tar, dust, mist, and metal vapors (Sn, Pb, and Hg) can also be treated.

Economic efficiency with utilization of waste heat

When heat is required for purposes other than pre-heating untreated gases, two heat exchangers are installed, one for heating untreated gases and the other for transferring extracted heat. For this application, heat exchangers with various heat recovery rates can be paired.

Easy to maintain

Odret can easily be operated in full-automatic mode. Replacement of the catalyst is not required.

Optimal burner

The most appropriate burners are selected based on our vast experience and technologies. City gas, LPG, and lamp oil can be used as fuel.

Flow diagram of Odret

Odret has a heating burner, reactor, and a heat exchanger to internally recover combustion energy.


Applications of Odret

Applicable Industry Typical Target Substance
Paint factory Toluene, xylene, IPA, methanol, MEK, and ethyl acetate
Printing factory Toluene, IPA, MEK, hexane, ethyl acetate, aldehydes, ketones, ethylene, styrene, and acrylic acid
Chemical factory Aldehydes, ketones, ethylene, styrene, and acrylic acid
Electric wire factory Benzene, toluene, ester acetate, and phenol
Metal-casting factory Phenol and formaldehyde
Food factory Fatty acids, alcohols, amines, and hydrogen sulfide
Livestock and fishery processing Industries Fatty acids and mercaptans
Rubber processing industry Toluene, isocyanates, and the smell of rubber

Dimensions of Standard Models

Model Treated Gas Volume Required Heat Dimensions (mm)
  Nm3 kcal/h L W H
OL-30 30 270,000 4,500 1,300 1,250
OL-50 50 45,000 5,000 1,500 1,350
OL-75 75 700,000 5,600 1,500 1,450
OL-100 100 900,000 6,700 1,650 1,600
OL-150 150 1,350,000 6,900 1,800 1,700
OL-200 200 1,800,000 7,800 1,900 1,900
OL-300 300 2,700,000 8,500 2,100 2,200

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