Essay Examples on De La Salle Brothers

Bioenergy is an alternate energy source


Bioenergy is an alternate energy source which can be earth friendly and efficient There are different types of alternate energy like solar panels wind power biodiesel etc there are different generations and feedstocks for biofuels There are many advantages and disadvantages of fossil fuels and alternative energy Biofuels come in different generations and have various feedstocks 1 The 1st generation biofuels are produced from food crops such as wheat and sugar For biodiesel oil is abstracted from food crops or producing bioethanol through fermentation As most biofuels are produced from food there s much debate that land is being used for fuel instead of food Demand for biofuels has lead to an increase in the volumes of crops being diverted away from the global food market 1 The second generation biofuels are produced from feedstock that isn't used for human consumption The feedstock includes wood organic waste and agriculture residues 2 These biofuels have an increased efficiency that use a majority of the biomass feedstock avoiding the waste seen in the 1st generation Life cycle assessments of these biofuels have indicated that they will increase net energy gains overcoming another problem of the first generation The third generation of biofuels is based on improvements in the production of biomass Algae is the energy source in this generation 1 3 Algae is a plant that can be grown in wastewater open pond and closed loop systems There is a disadvantage to this generation of biofuel as algae requires a large amount of water nitrogen and phosphorus


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