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Introduction Conventional biological wastewater treatment processes, such as activated sludge, are energy demanding processes. Energy use for wastewater aeration can account for up to 50% of operating costs, with typical requirements of 500...
low-self esteem and low levels of motivation (Morgan, 2007). The etiology of ADHD is still a mystery to researchers. Within the field there are many correlates to biological (genetic) and social causes. The present paper seeks to explore cu...
toxic and has significantly fewer emissions than petroleum-based diesel. Bio-energy is the source of energy dominant for most of the population are extremely poor, where it is used mainly for cooking, but that conversion technologies most a...
human beings also depend on the environment for energy. Prior to industrial developments man used animals, plants, wind power and water to obtain the energy necessary for their vital functions, to produce heat, electricity and for the devel...
Bio-fuel refers to those fuels that obtained from biomass, i.e. living organisms (like plants) or their metabolic byproducts. Recently there has been a great interest in bio-fuels, mainly because all countries are trying to reduce their de...
up we have used earlier gives oleic acid, one of the free fatty acids that can be found in unrefined vegetable oils and animal fats. If an oil or fat containing a free fatty acid such as oleic acid is used to produce bio diesel, the alkali ...
fuels which are bio fuels such as algae fuels. In algae fuels, algae are used as its natural deposits. Many companies and organizations are focusing to raise the production of algae fuels and make it more valuable to the market. Fossil fuel...