Catalytic thermal oxidizer (CTO)

In catalytic thermal oxidizer (CTO) the exhaust gas is initially pre-heated in the special recuperating heat exchanger and then achieves the necessary reaction temperature in the burner chamber working either on natural gas/propane or on electrical energy. Onward the exhaust air flows into the packed bed reactor filled by effective catalyst, which accelerates the reaction and dramatically decreases the temperature of VOC decomposition in water and carbon dioxide. The excess of heat is used for the pre-heating of inlet air flow and the auto-thermal operation can be simply obtained at sufficient concentrations of VOC.

During the reaction the chemical interactions occur between reactants (VOC) and active elements on the catalytic surface while the chemical composition of catalyst remains unchanged. Thus the catalyst keeps its efficiency for many years of operation.

Technical Data CTO

Exhaust air flow 10.000 Nm3/h
Pollutant type, VOC Acetone/EtOH
Pollutant  heating value 30.000 kJ/kg
Pollutant concentration  0 – 12 g/Nm3
Exhaust air temperature 50 °C
Fuel type back-up burner Natural gas
Gas flow pressure 60 – 200 mbar
Oxidation temperature approx. 300 °C
Heat exchanger degree of efficiency 65  %
Gas consumption with 0/2/4 g/Nm³ solvent 35/24/13 Nm³/h
Gas consumption with 6 g/Nm³ solvent <2  Nm³/h
Average clean gas temperature ~130 °C
Remaining pollutant concentration total C < 20  mg/Nm3
Remaining pollutant concentration CO < 100  mg/Nm3
Remaining pollutant concentration NOx < 100  mg/Nm3
Electrical connection 380-410 V / 50 Hz / 3 Ph +N
Electric power requirement exhaust air fan 25 kW
Total installed power consumption 32 kW
Length x Width  x Height approx. [m] 5,0 x 2,3 x 2,2
Weight approx. 8 t

References

Company name / CityCountry
Gußstahl Lienen
Lienen
Germany Germany
Techni-Coat
Isernhagen
Germany Germany
Decoma
St. Petersburg
Russian Federation Russian Federation
IPC Dresden
Dresden
Germany Germany
Hüttlin / Apogepha
Schopfheim/Freiberg
Germany Germany
Hüttlin / Apogepha
Schopfheim/Freiberg
Germany Germany
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BLN Consulting is a multi-industry consulting company, which offers professional support in the realization of diversified projects in Europe, Russian Federation and in the Commonwealth of Independent States.

Our core business lines are:

  • Multimodal transportation of various goods with the use of all kinds of surface, air and maritime transport as well as organization of customs processing
  • Recycling of used oils in the plasma tube reactor 
  • Recovery of wasted solvents via vacuum distillation including fractionation
  • Exhaust air treatment via thermal incineration, regenerative and catalytic oxidation including heat recovery system
  • Nitrogen generation with PSA and cryogenic plants

The primary purpose of the company's business is to help our clients to accomplish their goals with maximum value and at minimum costs. Your main advantages of cooperation with us are our long-term experience in international projects and in delivery of goods in to/out from CIS; innovative approach to the realization of projects and application of most modern methods and technologies; as well as professional consultant team and reliable suppliers of services and technologies.

Moreover, a strategic location of the office in Tallinn – trade center between Central Europe, Scandinavian and Russia in the country with the highest internet penetration rate in the world – is a guarantee of the fastest realization of you projects.

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