DuPont launches alky­la­tion con­ver­sion tech­nol­ogy

Chemical Industry Digest - - New Developments -

DuPont Clean Tech­nolo­gies ( DuPont) launched DuPont ConvEx HF alky­la­tion con­ver­sion tech­nol­ogy. It en­ables re­fin­ers to con­vert volatile and toxic hy­droflu­o­ric acid (HF) alky­la­tion units to the safer sul­fu­ric acid alky­la­tion tech­nol­ogy. Ac­cord­ing to DuPont, the new tech­nol­ogy also offers re­fin­ers the op­por­tu­nity for ca­pac­ity in­creases at min­i­mal ad­di­tional cost.

Con­ver­sion with DuPont ConvEx tech­nol­ogy is re­port­edly es­ti­mated to be lower – ap­prox­i­mately 40-60% of the cost of a grass­roots sul­fu­ric acid alky­la­tion unit. In sit­u­a­tions where plot space is avail­able near the ex­ist­ing fa­cil­ity, down­time can be re­duced by in­stalling new equip­ment dur­ing nor­mal op­er­a­tions, ac­cord­ing to the com­pany.

DuPont ConvEx tech­nol­ogy is the dif­fer­ence in the way in which isobu­tane is re­cy­cled be­tween the HF and sul­fu­ric acid alky­la­tion tech­nolo­gies. Ac­cord­ing to DuPont this dif­fer­ence is sig­nif­i­cant, , as con­ver­sion from HF to sul­fu­ric acid alky­la­tion means isobu­tane re­quired from frac­tion­a­tion is cut in half, free­ing up frac­tion­a­tion space and, there­fore, ef­fec­tively dou­bling the ca­pac­ity of the alky­la­tion unit with­out re­quir­ing any sig­nif­i­cant changes to the frac­tion­a­tion equip­ment.

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