It is the energy associated with the use of coal, oil and natural gas.
The form of energy that have fossil fuels is internal energy, which we can take advantage from combustion reactions.
It can transform into what usually is called thermal (heat) energy, electrical energy, kinetic energy (through internal combustion engines), etc. It is used in many industrial and domestic applications. ADVANTAGES
or ease of extraction or well developed technology or as well as source of energy in the processes of separation, provide raw materials for the chemical industry, medicine, food...
DISADVANTAGES
or non-renewable. It is estimated that, at the current consumption rate, the reserves will be exhausted in less than 100 years. or expensive transport or difficult storage or causes serious environmental problems: effect greenhouse, acid rain... or is a waste used to burn materials that are raw materials for the chemical industry, medicine, food, etc.
The creation of renewable energy, seen the way the oil and natural gas, is an issue that becomes increasingly more important. The creation of fuels from waste, to be an always-available input fits within these, more and more necessary, renewable energy.
For the production of this type of fuel is recommended the use of raw materials that are low-cost. You must ensure a good profitability and be in line with the projects of improvement of the environment. With all surplus world foodstuffs only could occur bioethanol to replace 1% of oil consumption, which would be unsustainable, so continue research to find materials for the production of biofuels derived also from other products, such as algae.
If we think that the world's population will have grown about 7 million people by 2050, the demand for energy and water increase significantly also, so it is of utmost importance the creation of ecological alternatives. Within these alternatives we find the biofuel, which is a liquid or gaseous fuel obtained from biomass. Multitude of raw materials such as forest residues, waste from food industries, tires out of use, etc. are used to create synthetic diesel or biodiesel , and it would replace conventional diesel.It is ethanol, which is created from organic waste, and to replace the gasoline.
The organic waste that exists anywhere in the world and whose existence has been a growing problem, is being used in our country for the production of ethanol by the urban solid waste organic fraction, FORSU, formed by paper, vegetables, food and wood.
The process by which takes this place consists of several phases: The FORSU physico pretreatment aims to break or despolimerizar cellulose chains to facilitate the access to the enzymes against.Saccharification and fermentation simultaneous: mixing with enzymes and yeasts.Distillation: from the alcoholic mixture Gets a first concentrated ethanol in water.Dehydration: Gets the ethanol with a purity of almost 100% that is suitable for use in automotive engines.
The results are 160 liters of ethanol per ton of raw material.
In any case, the feasibility of fuel depends on that their prices will prove profitable in relation to oil. In addition, according to some studies, biofuels could dismiss nine times more carbon dioxide than fossil fuels, so that we must cautiously this new type of renewable energy.
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The Germans have been really when it comes to new fuel sources and has become one of the major players in the game of alternative energy sources. The laws of the nation, under the direction of electricity Feed the German people of the world in 2006 by investing in more than 10 billion dollars (US) for research, development and implementation of wind turbines, biogas plants and solar cells in the collection. The German "feed" of the laws of the electrical grid authorization to connect to some source of renewable energy sources and sell back to the power company's correction of the excessive energy of the German retail prices produced by private individuals. This economic incentive has catapulted the German number one in place of operational solar arrays and wind turbines, biogas for among all Nations. The electricity produced by 50-terawatt hours the share of renewable energy in the German energy production per year by 10%. In 2006, the only German installed 100 000 solar energy collection systems.
Through the u.s., BP corporation has set up a Energy Biosciences Institute (EBI), spearhead a new research and development efforts will clean burning renewable energy sources, most prominently the biofuels for vehicles of the ground. BP's investment is $ 50 million (US) per year for the next decade. This EBI will be located physically Illinois Urbana-Champaign-University. The University is in cooperation with BP and is responsible for research and new crops for biofuels, biofuels supply of agricultural systems and machines in liquid form auto consumption renewable fuels production.University, in particular, the spearhead efforts to create more advanced biofuels crops. genetic engineering is an important addition to the EBI as the focal point of heavy hydrocarbons technological innovations for the conversion of pollution free and very effective.
Also in the United States, battle rages, the Congress and geothermal energy Association (GEA). GEA Executive Director Karl Gawell has recently written, as well as restaurants in Congress and the Department of energy, geothermal energy, in particular, on schedule, their potential and importance of congressional activities in federal research session is the only way to ensure that DOE and OMB are simply return to the irrational requirement and put an end to the geothermal research program. In addition, Gawell goes on to say that recent studies by the National Research Council, Western Governors Association Clean Energy and the Massachusetts Institute of Technology all support the extension of the geothermal research funding to develop the necessary to take advantage of the vast, untapped resource of domestic renewable energy technology.Geothermal energy, such as the supporters of this author are surprised that the public has huge benefits of the research and development of alternative energy source of anti-dumping measures would allow the United States of America, in practice, and the number of economically awareness of minuscule.Geothermal energy is already less expensive to produce kilowatt hours than that of the United States-keep mining the coal. geothermal energy is readily available, session within a few miles of our feet below and easily available through drilling. one company, Ormat, which is the third largest producer of geothermal energy in the United States and the plants have several different people, is already a billion dollars in — geothermal energy is certainly economically viable.
We continue with this review in Erenovable.com which we have already begun in our previous "vehicles with alternative fuel" article. We have already talked a little bit of the context that motivates extensive research in this direction, and some of the main systems that are being developed as a hybrid cars and fuel based on the use of alcohol. We now come to analyze briefly car motor from hydrogen and solar energy.
Hydrogen cars are cars that based on this item your primary way to get power to their locomotion. These vehicles can operate by combustion, where the hydrogen is "burned" as do the traditional fuels.Or through the conversion of fuel cells that convert hydrogen into electricity and then in power for the operation of the engine.
This system is extremely favourable to the environment because the single residue generated by the hydrogen is water. There are currently some hydrogen vehicles in operation but still remains much research and development to make them viable.
Solar cars are one of the developments in the field of alternative fuel vehicles.Operation is based on the production of energysolar located above the car.So far these designs have not shown even a form of practical, transport by the insufficient level of energy they generate and little convenience designs which should be in accordance to format its roof solar panels.
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Categorias:Hydrogen, ecological cars, renewable energy Tags: Tags: biofuel, fuel, hybrid car, solar car, ecological cars, alternative fuels, electricity, solar energy, alternative energy, renewable energy, hydrogen, solar panels, petroleum, vehicles cells
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