Análise de fluidos refrigerantes no processo industrial de liquefação do cloro
The chlorine production process via electrolysis is important in the chemical industry due to the wide application of this product in several areas. After the production of chlorine via electrolysis, the chlorine undergoes some treatment steps in order to be commercialized and used in other proce...
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| Formato: | bachelorThesis |
| Idioma: | pt_BR |
| Publicado em: |
Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/48764 |
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| Resumo: | The chlorine production process via electrolysis is important in the chemical industry
due to the wide application of this product in several areas. After the production of chlorine via
electrolysis, the chlorine undergoes some treatment steps in order to be commercialized and
used in other process routes. Within them, the liquefaction of chlorine is necessary to reduce
the temperature of the chlorine to the point of liquefying almost entirely. In this operation, shell
and tube type heat exchangers are used. One of the factors that impact the efficiency of these
equipment is the type of refrigerant to be used. The choice of fluid is gaining importance,
because in addition to its energy capacity, environmental concern is present due to the entire
current context. Therefore, the present work aimed to analyze the efficiency of three refrigerants
in the process, R-134A, R-12 and R-1234YF, considering their liquefaction capacity and the
environmental impact compared through indices the Ozone Depletion Potential (ODP) and
Global Warming Potential (GWP). The operating conditions of the heat exchangers were used
as a basis for simulation in the Aspen Hysys software. The results obtained in the simulation
were used to perform the analysis of better efficiency in the process together with the
comparison of the environmental indices. From the results it was found that the fluid R-134A
is more efficient when it is related to the liquefaction capacity, however, the R-1234YF has the
lowest environmental impact. |
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