2008-11-22 · Algae Oil Extraction . . In the supercritical fluid/CO2 extraction, CO2 is liquefied under pressure and heated to the point that it has the properties of both a liquid and gas. This liquefied fluid then acts as the solvent in extracting the oil. . Using an ultrasonic reactor, ultrasonic waves are used to create cavitation bubbles in a .
been a very promising fluid in supercritical fluid extraction due to its low toxic, nonflam- mable, and unreactive nature [46, 47] . 19 Extraction of lipids from algae using carbon dioxide
2017-5-22 · The extraction of oil from algae (Isochrysis galbana Parke) was studied using supercritical carbon dioxide at different extraction temperature and pressure, using ethanol as cosolvent.Extraction yield at different conditions was compared with traditional organic solvents Soxhlet extraction (hexane, petroleum ether, chloroform/ethanol),
2018-4-18 · expenditures for this venture. Regarding the extraction of the oils, supercritical carbon dioxide is a green, non-toxic solvent that can be used to extract and convert algae-oils to biodiesel in a single step, eliminating the need for pre- or post-processing of the oil or biodiesel product. The statistical associating fluid theory
2019-12-1 · The application of supercritical fluids in extraction and purification of various natural extracts and others, using CO 2 accounts for more than 90% of the published research in the field of supercritical fluid technology. Other supercritical fluids being used are propane, hexane and butane.
Carbon dioxide is widely recognized today as a "Green Chemistry" solvent. The unique physical and chemical properties of carbon dioxide in its supercritical state, namely the absence of surface tension, low viscosity, high diffusivity, and easily tunable solvent strength provide for utility in a variety of industrial and scientific applications.
The feedstock suspension was gasified in supercritical water using a continuous tubular reactor. Details for the reactor can be found elsewhere .The design of the reactor is shown in Fig. 1.A tubular reactor of SS316 steel tubing with 2.17 mm inner diameter, 3.18 mm outer diameter, and length of 12 m was placed in the upright electrical heating furnace.
Supercritical carbon dioxide (scCO 2) was used to extract components of interest from Scenedesmus dimorphus, a microalgae species, under varied algal harvesting and extraction conditions.Liquid chromatography-mass spectrometry (LC-MS) was used to quantify the concentration of fatty acid methyl esters (FAME) and the FAME profile of transesterified lipids, phospholipids and pigments extracted .
2018-9-13 · Haematococcus pluvialis microalgae in the red phase can produce significant amounts of astaxanthin, lutein, and fatty acids (FAs), which are valuable antioxidants in nutraceutics and cosmetics. Extraction of astaxanthin, lutein, and FAs from disrupted biomass of the H. pluvialis red phase using carbon dioxide (CO 2) in supercritical fluid extraction (SFE) conditions was investigated using a .
2008-9-22 · In the supercritical fluid/CO2 extraction, CO2 is liquefied under pressure and heated to the point that it has the properties of both a liquid and gas. This liquefied fluid then acts as the solvent in extracting the oil. References for Supercritical fluid extraction – see here, here . Other Less Well-known Extraction Methods