SciELO - Scientific Electronic Library Online

vol.35 issue2HDO of guaiacol over NiMo catalyst supported on activated carbon derived from castor de-oiled cakeGlucose obtained from rice bran by ultrasound-assisted enzymatic hydrolysis author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand



Related links

  • On index processCited by Google
  • Have no similar articlesSimilars in SciELO
  • On index processSimilars in Google


Ingeniería e Investigación

Print version ISSN 0120-5609


LOPEZ-ZAMORA, S. M; DOBROSZ-GOMEZ, I  and  GOMEZ-GARCIA, M. Á. Stability criteria and critical runway conditions of propylene glycol manufacture in a continuous stirred tank reactor. Ing. Investig. [online]. 2015, vol.35, n.2, pp.56-60. ISSN 0120-5609.

The present paper presents the development of a new method for the analysis of the steady state and the safety operational conditions of the propylene oxide hydrolysis with excess of water in a Continuous Stirred Tank Reactor (CSTR). At first, for the industrial operational typical values, the generated and removed heat balances were examined. Next, the effect of coolant fluid temperature on the critical ignition and extinction temperatures (TCI and TCE, respectively) was analyzed. The influence of the heat exchange parameter (hS) on coolant and critical temperatures was also studied. Finally, the steady state operation areas were defined. The existence of multiple stable states was recognized when the heat exchange parameter was in the range of 6.636 < hS kJ/(min.K) < 11.125. The Unstable operation area was located between the TC| and TCE values, restricting the reactor operation area to the low stable temperatures.

Keywords : Stability criteria; propylene oxide; propylene glycol; runaway conditions.

        · abstract in Spanish     · text in English     · English ( pdf )