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Home » Products » Ethylene Oxide Gas Sterilizer » EO Residual Gas Treatment System Scrubber Tank » EO Residual Gas Treatment System Scrubber Tank

EO Residual Gas Treatment System Scrubber Tank

EO Residual Gas Treatment System Scrubber Tank
EO Residual Gas Treatment System Scrubber Tank
Product Code : ERGT
Price And Quantity
  • Minimum Order Quantity
  • 1
  • Unit of Measure
  • Set/Sets
Product Description

Ethylene Oxide Scrubbers / EO Residual Gas Treatment System Scrubber Tank

Specifications :


Gas Sterilization Equipments

Brand Name


Model Number


Place of Origin

China (Mainland)



Main Parts :

EO exhausted gas treatment system is composed by EO gas-water separator, level one acid washing tower,second level acid washing tower,third level acid washing tower, gas filter unit, alkali neutralization tank, acid liquid match tank etc. The system allocated kinds functions anti-acid(anti alkali) pump, valve, tube, fan,air channel and controller system. To finish the acid liquid spraying and washing, acid-alkali neutralization, exhausted gas emission, liquor transfer functions. This system is linkage with EO Sterilizer washing process. That is when the gas exposure stage is finished,the sterilizer is in washing process, the sterilizer must send a single (standard single, such as switch single, coded single, etc), the residual gas treatment will start after received this single. The whole residual gas treatment system is automatically controlled by PLC, and dynamic displayed on the touch screen.

Working process :

When the sterilizer begin washing,this system is started. The input EO must be through the gas-water separator,then into the level one washing tower, EO contact fully with the acid, and react with the water, EO is absorbed. After the level one process,the residual EO enter into the second level washing tower, to be absorbed by second time. After twice absorption, then enter into level three washing tower. Then the final gas go through the filter unit and fan system and enter into the atmosphere. When the product of the washing tower ethylene glycol is saturated, the acid liquid is to be pumped in the neutralization tank,add the NAOH into the acid tank,when the PH is 7 in the neutralization tank,pump the liquor into the spend liquor tank and manage it.

The process :

  • Working principle
    • The EO gas is pumped into the pickling tower, and be absorbed, massive contact and reacted with the acid liquid, then formed glycol. It react as below C2H4O+H2O-C2H4(OH)2
  • There are two main factors must be controlled:The PH of the acid liquid and the degree of the saturation for the glycol.
    • The acid liquid is generally 1%~5% dilute sulphuric acid, the PH is less than 1.5, if bigger than this,there needs add the acid. Generally 1m3 water can absorb a determined value EO, when the EO consume is bigger than this,there need change the acid liquid in the acid tank.
  • After the treatment system,the clarify rate for the EO is more than 99.9%
  • The treatment system is customized according to customers' requirements and the local governments' standard. Different requirements with different projects. About the consume of the ACID LIQUID, ALKALI LIQUID, WATER AND OTHER CHARGES are prefer to the real project.


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