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  1. 231272

    cracked bolts on heat exchanger

    Hello guys, after instaling new tube bundle of water coller of LPG on crude destilattion unit , bolts on floating head were cracked after few hours of operation (first time 5 hours, second 36 hours). LPG leaks to the cooling water. Exchanger was hidrotested succesfuly after installation. With...
  2. 231272

    N-MDEA foaming

    Hello guys. on our FCC unit, after TA we change MEA with N-MDEA. After that we notice foaming of N-MDEA. Some hydrocrabons are mixed with N-MDEA. We drain N-MDEA, and we circulate with condensate in order to wash the system. We try start up amine section, but we observe foaming. Do you have some...

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