Chemical Composition and Antifungal Properties of Apolar Fraction of Green Propolis from Northeastern Brazil

Moita, Emanuella Cristina dos Santos; Frota, Vanessa Moreira; Mendonça, Lavosyer da Silva; Gomes, Laressa Cristyne dos Santos; Fontenelle, Raquel Oliveira dos Santos; Costa, Mikaele Fernandes; Fernandes, Jorge Alberto Bezerra; Cunha, Magda Elisa Turini da; Gomes, Geovany Amorim; Vale, Jean Parcelli Costa do; Bandeira, Paulo Nogueira; Santos, Hélcio Silva dos; Zocolo, Guilherme Julião; Rodrigues, Tigressa Helena Soares

doi:10.1007/s43450-021-00228-4

Cited by 2 publications

(1 citation statement)

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“…Relatively reduced energy costs than traditional distillation, reverse osmosis, and pervaporation are some of the main benefits of the membrane distillation process over conventional separation methods. Significantly less membrane fouling than with microfiltration, ultrafiltration, and reverse osmosis; a smaller vapor space than with traditional distillation; a significant rejection of dissolved, nonvolatile species; operating temperature compared to traditional evaporation and lower operating pressure than pressure-driven membrane processes [21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Efficient Ethanol Separation from Water Using Vacuum Membrane Distillation

Zarraa,

Nosier,

Zatout

et al. 2023

Egypt. J. Chem.

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This work presents an investigation into the efficiency of ethanol separation from water using vacuum membrane distillation (VMD). The study explores the influence of variables such as feed flow rate, initial ethanol concentration, and temperature on the performance of the distillation process. The polyvinylidene fluoride (PVDF) membrane was utilized due to its desirable properties such as high thermal stability, chemical resistance, and excellent mechanical properties. The results showed that the feed temperature had the greatest impact on the permeation flux. The permeate flux and ethanol flux increased with increasing initial ethanol concentration, while the separation factor decreased. Increasing the feed flow rate also resulted in increased permeate flux, ethanol flux, and separation factor. The study provides valuable insights into the optimization of the VMD process for efficient ethanol-water separation. The findings could potentially contribute to the development of more sustainable and efficient separation processes in the industry.

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