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  1. vinxenso

    Material choice for acetic acid dilute solution

    EdStainless, Thank you for your quick answer. The solution is very diluted, 0.1 % acetic acid in water and the only contaminants are methanol (6 ppm) and dissolved oxygen. The temperature is 35 ºC for pipe and tank, and 100 ºC for another pipe.
  2. vinxenso

    Material choice for acetic acid dilute solution

    Hi, I need to know what will be the best material choice for tank and pipe containing a dilute acetic acid solution in water(0.1 % in weight)at 35 ºC (pH =3.3). Will be suitable stainless steel 304?, is a suicidal the use of mild carbon steel with a corrosion allowance? And for pipe containing...
  3. vinxenso

    Cavett correlation for liquid enthalpy

    Thank's owg for your quick and exact answer. Another question: This paper is included in API Technical Databook?
  4. vinxenso

    Cavett correlation for liquid enthalpy

    Hello everybody, Someone knows the Cavett correlation for liquid enthalpy estimation?. This is a method that Hysys uses to perform liquid enthalpy calculations, concretely to obtain enthalpy and entropy departure functions. I ' ve searched for references but I haven't found anything. I hope...
  5. vinxenso

    Formation of Methyl Ether from MeOH Activation Energy

    Hi Camarena, see this reference: G. Bercic et al., "Catalytic Dehydration of Methanol to Dimethyl Ether. Kinetic Investigation and Reactor Simulation", Ind. Eng. Chem. Res., 32, 2478-2484 (1993). I hope this will help you. Best Regards.
  6. vinxenso

    Kinetic subroutine for Aspen plus

    Hi, I need to write a fortran subroutine to insert the reaction kinetic to Aspen plus because this kinetic is in function of component activities instead of component concentrations. I haven't any idea, for this reason I need a similar example in which the kinetic expresion are in function of...
  7. vinxenso

    User kinetic subroutine

    Hi, I need to write a fortran subroutine to insert the reaction kinetic to Aspen plus because this kinetic is in function of component activities instead of component concentrations. I haven't any idea, for this reason I need a similar example in which the kinetic expresion are in function of...
  8. vinxenso

    Amberlyst 15 (ion-exchange resin)

    Hi fizanie, I've seen in a couple of papers that the shipping density of Amberlyst-15 is 750-770 g/l and the particle size distribution is: Diameter range (mm) Mass fraction >1.12 0.037 1.00-1.12 0.211 0.80-1.00...
  9. vinxenso

    Kinetic of acetic acid esterification with methanol

    Someone knows when I can find the reaction kinetic for the esterification of acetic acid with methanol using sulfuric acid as homogeneous catalyst? Thanks.
  10. vinxenso

    Kinetic of acetic acid esterification with methanol

    Someone knows when I can find the reaction kinetic for the esterification of acetic acid with methanol using sulfuric acid as homogeneous catalyst? Thanks.
  11. vinxenso

    Amberlyst 15 (ion-exchange resin)

    Hi I've to design a reactive distillation column to produce methyl acetate with Amberlyst 15 as catalyst. In this way, I need to know some information of this ion exchange resin, mainly its packing density, porosity, surface area, apparent density, ion exchange capacity... Anyone knows this...
  12. vinxenso

    Amberlyst 15 (ion-exchange resin)

    Hi I've to design a reactive distillation column to produce methyl acetate with Amberlyst 15 as catalyst. In this way, I need to know some information of this ion exchange resin, mainly its packing density, porosity, surface area, apparent density, ion exchange capacity... Anyone knows this...
  13. vinxenso

    Amberlyst 15 (ion-exchange resin)

    Hi I've to design a reactive distillation column to produce methyl acetate with Amberlyst 15 as catalyst. In this way, I need to know some information of this ion exchange resin, mainly its packing density, porosity, surface area, apparent density, ion exchange capacity... Anyone knows this...
  14. vinxenso

    Patent databases on the net

    Hello MortenA, I know a good site in english where you can find US, European and japanese patents. This is: http://gb.espacenet.com Bye.

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