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Continuous Thermal Decomposition Plant (TDP-2-800)

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800-1500 kg/h
processing speed
continuous operation
qty of cycles of processing per day
35 kW
380 volt
power consumption
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Continuous Thermal Decomposition Plant (TDP-2-800) converts:

1. Drilling muds / used drilling solutions:

  • hydrocarbon-based
  • brine-based

2. Oil sludge and emulsions
3. Oil-contaminated soil
4. Waste oil


  • unique continuous pyrolysis process for the conversion of hydrocarbon-based materials of any composition
  • low energy consumption – 35 kW
  • simultaneous feed of dry and liquid materials
  • no feedstock pretreatment
  • nitrogen ramp is designed for the emergency shutdown of the plant and for controlling the pressure-vacuum conditions in the chamber in case of feed failure or air leak into reactor
  • built-in sight glass allows visual inspection of the furnace operation, access manhole facilitates prompt maintenance of the heating chamber and refractory lining
  • plant size of two 40′ ft. sea containers, built on wheel base

The process is based on low-temperature pyrolysis principle, which is defined as an endothermic process, also referred to as cracking, involving the use of heat to thermally decompose carbon-based material in the condition of oxygen deficit.

Usage of the product derived from hydrocarbon-based materials:

  • Dry residue (Hazard class 4) is used as asphalt filler and in construction
  • Heat of the process is recovered and used locally
  • Pyrolytic fuel is used as  =>

=> low grade fuel in boiler units

=> fuel of higher quality, such as diesel*

  • Pyrolytic gas is used for the heating in the process

Usage of the product derived from brine-based materials:

  • Distilled water is used as =>

=> drilling solution preparation

=> process water**

=> drinking water***

  • Dry residue (Hazard class 4) is used as asphalt filler and concrete additives
  • Heat of the process (about 150kW) is recovered and used locally

*Subject to provide rectification column

**Subject to provide purification system

***Subject to provide purification and mineralization systems

TDP-2-800 process description:

1. Raw material are fed to the pyrolysis chamber on continuous mode:

=> solid waste by screw conveyor;

=> liquid waste by pump.

2. Boiler fuel or diesel oil is self-fed to the burner from fuel tank.

3. Air is fed to the burner by compressor, which is switched to the pyrolysis gas after the process is stabilized.

4. Vapor-gas mixture from pyrolysis chamber comes to the condensation system through gas filter.

UTD-2-800 process flow diagram

5. The further cooling is carried out in a heat exchanger.

6. Water is cooled in air coller unit or in chiller.

7. The cooled mix enters the separator where it split up on fractions:

=> pyrolysis oil is directed to the receiver tank;

=> pyrolysis gas is directed to the buster burners.

8. Solid residue is discharged by screw conveyor, cools in hopper and transported to the storage bin.

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Continuous Thermal Decomposition Plant (TDP-2-800)

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