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CT&F - Ciencia, Tecnología y Futuro
versão impressa ISSN 0122-5383versão On-line ISSN 2382-4581
Resumo
FORERO, J et al. NEW CONTACT SYSTEM IN CRUDE OIL DESALTING PROCESS. C.T.F Cienc. Tecnol. Futuro [online]. 2001, vol.2, n.2, pp.81-91. ISSN 0122-5383.
The effect of the ICP contactor and the mixture valve on the desalting process was evaluated as a contact system in the crude oil washing process. The evaluation was carried out in the two desalters at the Cartagena Refinery (GRC) and a desalter at the Barrancabermeja Refinery (GCB) of ECOPETROL. The pressure drop was measured and the efficiency of the desalting processes, dehydration and hydrocarbon crude intake in the water was calculated based on the BS&W measurement, salt content and hydrocarbon concentration in the water. Results showed that the contactor improved desalting, water in the crude oil was reduced and crude carry-over in the wastewater was reduced between 50 and 92% at the Barrancabermeja Refinery, and between 40 and 95% at the Cartagena Refinery, which mean savings of approximately US$ 373.000 dollars per year at both refineries, due to the fact that less water is loaded into the process. Furthermore, hydrocarbon loss in wastewater was reduced by about 3650 barrels per year. The pressure drop was reduced between 88 and 94 % in relation to the mixing valve.
Palavras-chave : crude desalting; in line contactor; oily wastewaters.