Hexane Algal Oil
Hexane Algal Oil - Related Videos
10:56
A Simple and Rapid Protocol for Measuring Neutral Lipids in Algal Cells Using Fluorescence
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Cited by 32 •
2014
A simple protocol to determine the neutral lipid content of algal cells using a Nile Red staining procedure is described. This time-saving technique offers an alternative to traditional gravimetric-based lipid quantification protocols. It has been designed for the specific application of monitoring bioprocess performance.
09:10
Experimental Protocol for Biodiesel Production with Isolation of Alkenones as Coproducts from Commercial Isochrysis Algal Biomass
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Cited by 8 •
2016
Detailed methods are presented for the production of biodiesel along with the co-isolation of alkenones as valuable coproducts from commercial Isochrysis microalgae.
13:19
Enhanced Oil Recovery using a Combination of Biosurfactants
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Cited by 2 •
2022
We illustrate the methods involved in screening and identification of the biosurfactant producing microbes. Methods for chromatographic characterization and chemical identification of the biosurfactants, determining the industrial applicability of the biosurfactant in enhancing residual oil recovery are also presented.
05:40
Comparison of Scale in a Photosynthetic Reactor System for Algal Remediation of Wastewater
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Cited by 3 •
2017
An experimental methodology is presented to compare the performance of small (100 L) and large (1,000 L) scale reactors designed for algae remediation of landfill wastewater. System characteristics, including surface area to volume ratio, retention time, biomass density, and wastewater feed concentrations, can be adjusted based on application.
10:08
Construction and Setup of a Bench-scale Algal Photosynthetic Bioreactor with Temperature, Light, and pH Monitoring for Kinetic Growth Tests
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Cited by 4 •
2017
This paper describes the assembly process and operation of a bench-scale photosynthetic bioreactor that can be used, in conjunction with other methods, to estimate pertinent kinetic growth parameters. This system continuously monitors the pH, light, and temperature using sensors, a data acquisition and control unit, and open-source data acquisition software.
FAQs
Hexane preferentially dissolves nonpolar lipids, allowing these oil-associated molecules to separate from other components of algal biomass. This selectivity supports recovery of a lipid-rich fraction rather than extracting all cellular material equally. The resulting composition is important because researchers can assess whether the recovered oil is suitable for later conversion into biodiesel or other fuels.
Drying reduces moisture in harvested algae, while disruption helps expose intracellular material to the solvent. Together, these preparation steps can make the lipids more accessible to hexane before separation occurs. Researchers therefore examine biomass preparation as part of the overall process, because extraction performance must be considered alongside energy demand and the quality of the recovered oil.
After hexane dissolves the lipids, the solvent is separated from the extracted oil and can be recovered for reuse. This recovery step matters because solvent handling is part of the environmental assessment, not merely a downstream technical detail. Researchers consider solvent use and reuse together with cultivation, processing energy, and potential fuel production when judging overall impact.
A lower-impact assessment depends on more than the oil obtained from one extraction. Researchers evaluate algal productivity, the energy required for harvesting and preparation, solvent handling, and the potential conversion of the oil into fuels. Considering these linked stages helps determine whether the complete cultivation and extraction system offers environmental advantages over petroleum-based resources.
The workflow begins with harvested algal biomass, which is typically dried or disrupted before contact with hexane. The solvent dissolves nonpolar lipids, after which the solvent and oil are separated. Hexane may then be recovered for reuse, while the extracted oil is retained for evaluation. Each stage contributes to the process assessment and its energy requirements.
Researchers can analyze the recovered oil as a feedstock for conversion into biodiesel or other fuels. They also compare the potential product with the resources required to cultivate algae, prepare biomass, perform extraction, and manage the solvent. This combined evaluation connects laboratory recovery results with broader environmental questions about renewable feedstocks and petroleum alternatives.