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Algae can be converted into various types of fuels, depending on the production technologies and the part of the cells used. The lipid, or oily part of the algae biomass can be extracted and converted into biodiesel through a process similar to that used for any other vegetable oil, or converted in a refinery into "drop-in" replacements for petroleum-based fuels.
Biodiesel is a liquid fuel composed of vegetable oils and or animal fats. To create the gasoline itself, these subsequent liquids are combined with alcohol. Biodiesel is used to fuel compression ignition engines, otherwise known as diesel engines. The most common product of biodiesel is B20, a 20:80 blend: 20% biodiesel to 80% petroleum diesel.
In 2000 it was discovered that if C. reinhardtii algae are deprived of sulfur they will switch from the production of oxygen, as in normal photosynthesis, to the production of hydrogen. [15] [16] [17] Green algae express [FeFe] hydrogenases, being some of them considered the most efficient hydrogenases with turnover rates superior to 10 4 s −1.
Iran started investigating the production of algae from 2000. Scientific evidence shows that south Iran is the richest area in the world for cultivating algae, because of high humidity, sunny weather, large unused area and salty water. [2] The first version of algae based biofuel will become available for industrial purposes in 2015. [3]
In recent years, significant attention has focused on the potential of microalgae as a biofuel source. Microalgae, yielding between 19,000 – 57,000 liters of oil per acre annually, surpassing other forms of biodiesel resources. This oil is then transformed into biodiesel using conventional transesterification methods. The residual biomass ...
Oil productivity is defined as the oil produced by the algae per day per liter of culture, which is dependent on both growth rate and lipid content. Growth rate indicates how rapid the algae grow and lipid content indicates the percentage of dry weight that is lipid. [2] In most of the studies, these two factors are investigated independently.
The aim of the facility is to produce commercially viable fuel from algae. [5] The site features research labs including engineering facilities, advanced molecular biology, CO 2 management, separations, and green chemistry advanced labs and an outdoor process development production unit on 40 acres. [ 6 ]
The National Algae Association (NAA) is a non-profit organization of algae researchers, algae production companies and the investment community who share the goal of commercializing algae oil as an alternative feedstock for the biofuels markets. The NAA gives its members a forum to efficiently evaluate various algae technologies for potential ...