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Some algae species are 50% or maybe more lipid oil by weight. This oil can be pressed in the algae and refined into diesel. The process for extracting algal oil, at its most elementary level, is similar to pressing an olive. Up to 75% with the oil could be squeezed from algae which has a simple mechanical press. Hexane may be used as a solvent to increase extraction as much as 95%. Once extracted, the oil is refined through transesterification. A catalyst including sodium hydroxide is when combined alcohol to create biodiesel and glycerol.
Before, having a top notch car can be considered something very luxurious or extravagant, the good news is, people can have one any time they. In fact, most people find getting a first-rate car, nowadays, as practical, since people don't be concerned of maintenance and other additional services the maximum amount of. People also don't have to worry about being tricked, because these vehicles are really top notch as well as in great running condition. People would really be pretty pleased using their purchase and certain that they spent their money on something that can be a excellent investment. People will also be assured of proper support and outstanding customer service
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Rail transit has long been used as public transport in cities. It plays an increasingly important role. Economic developed countries urban traffic development history tells us that only by large passenger traffic system of urban rail transit (metro and light rail), is an effective way to fundamentally improve the urban public traffic
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