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Dissolution Of Wax


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#1 waheed2020

waheed2020

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Posted 22 October 2020 - 06:38 AM

Dear All,

 

I am facing a problem. I processed pyrolysis oil in the pilot scale distillation column. Now the higher boiling fractions BP>350C solidifies as wax( conatines parafin, olifins, aromatics, diaromatcis) in the cooler and condensers. I tried to distill n-hexane, kerosne, mixture of diesel and n-hexane to dissolve the wax but is difficult to do. Heating by tap is an option to melt the wax but will damage the glass equipment. Could anyone please suggest me a safe solvent to clean the wax from the setup. I would really be thankful.



#2 PingPong

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Posted 25 October 2020 - 11:13 AM   Best Answer

The solvents you tried are mainly alkanes (paraffines).

 

You should use a more aromatic solvent, such as a 50/50 mixture of kerosene and toluene, or even pure toluene.

Try different mix ratios.



#3 waheed2020

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Posted 02 November 2020 - 10:01 AM

Thank you. I will try






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