C3 TECHNOLOGY

C3 Technology is the pinnacle of vapor treatment effectiveness

for the most demanding environmental remediation projects.

C3 Technology harnesses a combination of compression, cooling 

and condensation processes to recover all volatile organic

compounds (VOCs) from the off-gas vapor stream of soil vapor extraction (SVE) or dual phase extraction (DPE) systems.

 

VOC vapors are condensed by the system and recovered as a non-aqueous phase liquid (NAPL) that can be disposed of offsite or recycled. Generally, greater than 99.99% of VOCs are recovered from the vapor stream. Complex mixtures of chlorinated ethenes, ethanes and petroleum hydrocarbons are regularly processed by C3 Technology, even at extremely high influent concentrations.

Over 10,000,000 pounds of VOCs have been recovered and treated by C3 Technology systems at nearly 100 projects worldwide. 

GEO currently manufactures and leases standard units of 200, 300, 500 and 1,000 SCFM flow rate capacity.  For larger SCFM requirements, GEO provides custom systems to meet your project needs.

Process Description (Worldwide patents including US 7,658,789, 8,313,568, 8,709,135,8,986,429, 9,403,122 patent grants):

 

  • Soil gas is drawn into the system and delivered to the air compressor by a positive displacement blower or vacuum pump.

  • Entrained liquids are separated at a vapor/liquid separator. Separated liquids are treated and discharged or transported offsite.

  • Contaminated vapor off-gas is compressed to approximately 150 pound per square inch (psi).

  • Water vapor is removed from the process stream at the air-to-air heat exchangers as it is cooled to a dewpoint near 0° C.

  • The vapor stream is further cooled to approximately -40° C in the refrigerated heat exchangers, where the chemical constituents (VOCs) are condensed and separated from the vapor stream. Condensed VOCs (NAPLs) are collected in a capture vessel.

  • The cleansed vapor stream is then sent to a regenerative absorber module that removes any residual VOCs. The treated discharge air is released from the system having realized >99.99% VOCs removal.

© 2018 by GEO

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