2004
DOI: 10.1016/j.jcis.2003.11.027
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Stability and demulsification of emulsions stabilized by asphaltenes or resins

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Cited by 184 publications
(111 citation statements)
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“…The role(s) of these colloidal interactions in increased/decreased aggregation of asphaltenes should be quantified and these would definitely be more informative in handling asphaltene studies than just using high-technology equipment. Asphaltenes and resins are both polydisperse and constitute the crude oil's colloidal nature [8]. The following section, theory, summarizes some high-technology techniques regarding asphaltene structural characterization.…”
Section: Introductionmentioning
confidence: 99%
“…The role(s) of these colloidal interactions in increased/decreased aggregation of asphaltenes should be quantified and these would definitely be more informative in handling asphaltene studies than just using high-technology equipment. Asphaltenes and resins are both polydisperse and constitute the crude oil's colloidal nature [8]. The following section, theory, summarizes some high-technology techniques regarding asphaltene structural characterization.…”
Section: Introductionmentioning
confidence: 99%
“…19,20 Further works have also correlated the emulsion stability to the asphaltenes aggregation grade. [21][22][23][24][25] However, none of these researchers quantified the asphaltene aggregate size.…”
Section: Introductionmentioning
confidence: 99%
“…Segundo Xia et al, 25 o aquecimento preferencial das gotas de água nas emulsões de petróleo pode causar pressões internas intensas nestas gotas, o que resulta na expansão da fase dispersa e na diminuição da espessura do filme interfacial. Contudo, os estudos disponíveis na literatura são ainda insuficientes para identificação dos mecanismos dominantes nesta aplicação das microondas.…”
Section: Quebra De Emulsões Via Microondasunclassified
“…Porém, vários estudos mostraram a elevada eficiência dos processos de separação via microondas quando comparados com os tratamentos de aquecimento convencional. 22,23,25 Além disso, outras vantagens são associadas aos processos via microondas como o tamanho relativamente reduzido dos equipamentos, custos de manutenção baixos e o fato de ser uma fonte de energia limpa. 26 O primeiro estudo encontrado na literatura sobre a aplicação das microondas na separação de fases de emulsões de água em óleo foi apresentado por Wolf.…”
Section: Quebra De Emulsões Via Microondasunclassified
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