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Polymer modification

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Polymer modification

 

 

 

 

 

 

ITW has developed and patented a technology for polymer modification/dissolution. ITW technology has been able to modify, as a first time ever, polymers in a butadiene unit.   This allowed the removal of a great portion of the polymer during the circulation of a patented chemical, thereby removing about 80%of the polymer which was originally present. Of the same importance, trays have been cleaned without the need for dismounting them, as was necessary in previous turnarounds. Subsequent to polymer modification and online cleaning, ITW Improved Degassing/Decontamination technology achieved a fast and efficient compliance with safe entry conditions in confined spaces.

Some additional petrochemical applications of the technology include:  

- Ethylene

- Styrene

- Cumene

- LD-PE

- HDPE

This new technology opens up new scenarios in refinery applications, including:

- FCCUs

- Reformers and HDS units

- Depropanizer/debutanizer columns and bottoms

- Texas towers, vertical combined feed effluent exchangers

 

ITW Improved Degassing/Decontamination

ITW Improved Degassing/Decontamination uses a chemical to be added during steam-out, which will significantly reduce steam-out time and hence refinery downtime.

At the same time, this chemical will eliminate:

i) any noxious odour during steam-out; 

ii) any pyrophoric iron problems.

The chemical does not create any emulsion and is biodegradable, therefore condensates can very easily handled in the waste water treatment plant.

ITW technology can therefore replace the classic technology using water sprays and/or flooding the vessel.

In view of your turnaround, or any operating need, ITW technologies can easily help you in reducing downtime and improving productivity, safety and reliability, as well as reducing overall costs.

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