Deacidification of used cooking oils by solvent extraction
The decanting stage was carried out in a separatory funnel that enabled to split and selectively remove the oil and solvent phases. Extractions were done with low molecular weight
Title: Deacidification of Vegetable Oils by Solvent Extraction Volume: 1 Issue: 1 Author(s): Christianne E. C. Rodrigues, Cintia B. Goncalves, Eduardo Batista and Antonio J.A. Meirelles
Deacidification of Vegetable Oils by Solvent
Feb 1, 2007A three-stage crosscurrent extraction using a solvent at 88.6 wt.% of ethanol (global solvent/oil ratio: 8.0 g/g) reduced the free fatty acid content from 5.8% OA eq. (in crude walnut oil) to 0.3
Liquid鈭抣iquid equilibrium experimental data for refined sunflower seed oil, artificially acidified with commercial oleic acid or commercial linoleic acid and a solvent (ethanol + water), were
Ingenta ConnectDeacidification of Vegetable Oils by Solvent Extraction
Keywords: Oil deacidification; ethanol; free fatty acid extraction; isopropanol or n-propanol; oil extraction; oil refining; short chain alcohols; vegetable oil or edible oil Document Type: Research
The use of solvent extraction for deacidification of vegetable oils was first proposed by Bollmann [28]. In this patent the author suggests the use of methyl alcohol, ethyl alcohol, amyl alcohol, acetone
Semantic ScholarDeacidification of vegetable oil by extraction with solvent
Deacidification of a vegetable oil by extraction and regeneration of the solvent by means of adsorption was studied. This novel approach to solvent regeneration is posed as an alternative to
Vegetable oils deacidification by solvent extraction: liquid liquid equilibrium data for systems containing sunflower seed oil at 298.2 K J. Chem. Eng. Data ( 2010 ),pp. 3859 3862
Enhanced chemical deacidification of crude soybean oil by
Hence,
The aim of this work was to study the removal of free fatty acids (FFAs) from soybean oil, combining solvent extraction (liquid-liquid) for the separation of FFAs from the oil and membrane technology to recover the
Optimizing Palm Oil Deacidification via
The liquid-liquid extraction is presented as an alternative method in the process of vegetable oil deacidification. The cottonseed oil, rich in linoleic acid (C-18:2), is detached as the favorite in the snacks fritter because their pleasant flavor
(DOI: 10.2174/187221207779814699) The refining of edible oils requires a series of purification steps, with the most important being the decrease of the free fatty acid level of the crude oil. This
Deacidification of rice bran oil by liquid-liquid extraction
Figure 9 shows the experimental 纬-oryzanol, tocol, free fatty acid (FFA) and acylglycerol (TAG, DAG and MAG) concentrations in the degummed rice oil after deacidification by liquid extraction
The feasibility of solvent recovery and deacidification of specific vegetable oils by OSN has already been investigated in lab scale experiments [13], [14], [15]. no suitable membrane
Deacidification of Soybean Oil Combining Solvent Extraction
The aim of this work was to study the removal of free fatty acids (FFAs) from soybean oil, combining solvent extraction (liquid-liquid) for the separation of FFAs from the oil and membrane technology
Deacidification by solvent extraction is based on the difference of solubility of the FFA and triacylglycerol in a certain solvent. As reported by Rodrigues et al. (2006), the loss of oil
- Is adsorption a viable alternative to distillation of vegetable oil?
- Deacidification of a vegetable oil by extraction and regeneration of the solvent by means of adsorption was studied. This novel approach to solvent regeneration is posed as an alternative to distillation in systems with high solvent-to-feed ratios in which evaporation of large solvent amounts is economically unattractive.
- What are alternative methods of solvent extraction?
- Several techniques, alternative to the conventional caustic or steam distillation methods, are suggested in the literature, such as supercritical extraction, membrane technology and solvent extraction. In the present paper we discuss the main aspects related to the solvent extraction technique, coupled or not with the conventional methods.
- Does liquid–liquid extraction process allow the deacidification of palm oil?
- Table 5 shows that liquid–liquid extraction process allowed the deacidification, promoting the attainment of a refined palm oil containing a free acidity of 0.14 mass% in solvent free-basis, and maintaining a significant level of carotenoids.
- What is posed oil deacidification?
- Acidified sunflower oil, methanol and activated carbon are used as feedstock, extraction solvent and adsorbent, respectively. The posed oil deacidification scheme is thought to be useful for applications in the biodiesel and technical oils industry.
- What is an example of deacidification of sunflower oil?
- An example was chosen of deacidification of sunflower oil by extraction with methanol and regeneration of the alcohol by adsorption over activated carbon. The example has application for the biodiesel and technical oils industries.
- What are the alternatives to deacidification of palm oil?
- The deacidification of oils by liquid–liquid extraction using an appropriate solvent, such as ethanol, can be an alternative technique for refining palm oil.
