Archive for July, 2009

Flaming Firewood Pellets And Trapping Carbon

The issues of these days with global warming and climate change are due to extreme carbon enter the atmosphere. There is a certain quantity of carbon that is part of the usual cycle. By burning fossil fuels we are introducing carbon from a prior carbon cycle back into the existing carbon cycle, therefore intensify the total amount of carbon in the atmosphere. Enlarged levels of carbon are related to enlarged global temperatures. The reasons for this are the carbon dioxide stops heat escaping, and produces the green house outcome. To combat this problem, and perhaps reduce the current levels of CO2 more fuels and energy sources need to be used that are either part of the current carbon cycle or do not affect the cycle. Solar and wind power for example, generates power without impacting on the carbon cycle. However these power forms on their own cannot meet the entire demands of our energy market. Also wind and solar energy are occasional, and are not always available when the power is required. Therefore extra power sources are essential, such as biomass energy. Biomass is any form of natural matter which can be utilized as a fuel source. Turning biomass into power usually means burning, and at first this may appear to be very bad for the ecosystem. However burning is part of the natural cycle, and done efficiently can have several advantages. Biomass is part of the present carbon cycle, therefore biomass combustion does not put additional carbon into the air. As new biomass grows it absorbs the carbon dioxide from the previous biomass incineration. This means biomass is a carbon neutral fuel, however it can also be carbon negative.

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After combustion, ash is left over from. Ash can serve as an brilliant soil conditioner, mixed with compost, mainly for fruit trees. However as well as a priceless material to increase plant growth, it can also be away to take carbon from the environment and trap it back into the soil. This is a benefit of biomass fuels that is often not mentioned. One of the best forms of biomass energy to relate the modern lifestyle is pellets.

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Wood pellets are the most frequent form of biomass energy, used in thousands of pellet stoves and boilers all around the planet. Pellet stoves and boilers use the pellets fed from the hopper, and feed the fire at a proscribed rate to achieve the required heat. Wood pellet fires, due to high density of the pellets, burn far more competently and hotter than traditional log boilers for example. There is also considerably less ash and smoke produced compared to log stoves.

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Making Wood Pelletsand Moving Away From Fossil Power

Fossil energy are trapped forms of carbon power from under the surface of the earth, and for the last few hundred years we have been extracting this fuel to used for transportation, industrial and heating applications. The difficulty is this trapped from of carbon energy was part of a previous carbon cycle, and not the current carbon cycle. By using fossil fuels we are introducing additional carbon dioxide into the current carbon cycle. This influx of further carbon dioxide is the foundation behind climate change and global warming. The increased levels of carbon dioxide in the environment act as a reflective mirror, reflecting the suns energy back at the earth. This causes mounting temperatures and this intern compounds the effects. For example the ice caps serve and vital purpose, as they are a reflector to a lot of the suns power. As global temperatures enhance, the ice caps reseed. As the ice caps get smaller there is less surface area to reflect the sun?s energy. As this process continues the ice caps begin to shrink at an ever-increasing rate, until they will at last disappear. However this is not the end of the story, once the ice caps have disappeared in their place will be temperature spots storing the suns power and further increasing the rise in global temperatures. All of this process stems from using fuels that are not part of the existing carbon cycle. Biomass, for example wood is part of the present carbon cycle, and needs to be utilized more frequently to combat the effects of global warming. One of the simplest and most resourceful ways to utilize biomass and wood as a fuel, is to convert them into pellets.

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Pellet fuel is becoming more and more accepted, today fuel pellets are also being used more and more in coal power stations. Mixtures of coal and straw or wood pellets are being utilized to reduce the CO2 output of the power plants and reduce their influence on the environment. Pellet fuel is also being used more and more in the home to heat up properties via stoves and boilers. Pellet fuel has quite a lot of advantages in terms of incineration efficiency and reduced maintenance through better procedure automation.

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Pellet creating is a skilled process, and requires the right equipment and knowledge. The basic principle of all pellet-making remains the same no matter what the raw material is. A roller and die setup compresses the raw matter into pellet shapes of distinctive diameters. The natural binding properties of the raw material maybe satisfactory to hold the pellet together or extra binders maybe required. The pellets are warm from the press, and then cool to turn out strong, durable fuel pellets.

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Biomass Pellets Can Also Be Used To Make Electricity

Wood pellets are becoming a very accepted home heating fuel for stoves and boilers across Europe and America, for individuals of you who are not familiar with what wood pellets are here is short introduction. Wood pellets are made from remainder from the wood trade; the sawdust and shavings that are left over after wood products have been made. This raw waste matter is then compressed into small cylinder shapes, usually 6mm?s in diameter. These pellets have a uniform shape, size and density that make them ideal as a heating fuel. As they are made from wood, they are also a green fuel, as they do not contribute extra carbon dioxide to the environment unlike fossil fuels. So wood pellets have been established as an excellent home heating fuel, which can be made from local renewable resources. However wood pellets can also be used on a small local level to generate electricity. This can be achieved through a method called gasification. Gasification is a procedure where the wood is heated to discharge volatile combustible gases, namely carbon monoxide, methane and hydrogen. Now these burnable gases can be used directly in an internal combustion engine, by adjusting the air and fuel blend in the engine to a 1:1 ratio. The internal combustion engine can then be utilized to power a generator. The electricity generated can then be sold back to the grid.

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Small local electrical power production has many advantages to the person and the local neighborhood. Firstly it is a supply of green, low carbon energy manufactured by local people for local people. Also the ash outstanding after the process is a precious commodity as it is an exceptional soil conditioner to aid several types of plants. Fruit trees exceptionally benefit from the ash due to the high potassium content. Another benefit is it provide stable local jobs, jobs can be generated in the collection and processing of the wood, and the running and operating of the gasifier. Other local jobs and benefits would be through cultivation of fuel and the use of local biomass waste. This would create a cleaner local environment, while again providing further jobs and generating local electricity.

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Why adapt the biomass and wood into pellets for the gasifier, instead of just using the raw supplies? The simple reason is on a small-scale setup, to make a low maintenance proficient process, as many factors as possible must be controlled. By improvement the biomass and wood into pellets, a uniform free flowing fuel has been created which even on a small low cost setup can return proficient results. The pellets can also be made locally on a small scale setup.

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Stimulating Climate Change, Along With By Means Of New Fuels And Energy Sources

Tackling global warming and climate change is a game where time is a key issue. One of the key reasons for this is a bunch of the changes that global warming is causing might become everlasting if steps are not taken now to re-solve the trouble. Some people are even of the opinion that global warming could be valuable, in terms of places that have a cool climate temperatures will increase and with it improved weather. However this is just not true, in those cool climates the weather will essentially deteriorate, and summers will turn out to be wetter. Yes the summers will be warmer, however these are a important drop in clear sky?s. More turbulent summer weather will also cause an increase in high winds, thunderstorms and tornados. Looking at it from a more definite point of view food crops will also be drastically effected. Take grain crops for example, once they are harvested they have to be dried out before they are stored. If wet grain is stored it will simply rot and decay and become of no value. However with global warming, wetter harvests are taking place and more and more grain needs to be dried up before it can be stored. The key issue is current grain dryers use gas or diesel heaters. So the further grain that wants drying, the more diesel/gas is needed to dry the grain. This will have two noteworthy results. Firstly the price of the grain will have to raise to account for the extra costs of drying. Secondly using gas and diesel obviously contributes further to global warming and climate change, contributing to wetter summers. Therefore this is a compound effect, and will promote push up the cost of food grain over the approaching years. More people need to understand the effects climate change will have on the center areas of our lives as well as food.

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One of the key areas is to progress away from oil and diesel in terms of providing fuel. A key area of energy that needs to be used is Biomass, which is any organic material, which can be used to manufacture fuel. For example some people today use biomass in the form of wood pellets to heat their homes and businesses. Various different sized pellet stoves and boilers can be utilized to heat any size of home. Pellet stoves and boilers are greatly compact and efficient incineration units.

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Wood pellets hold a far higher energy value compared to wood logs or wood chip, due to the high concentration of the pellets. The pellets also create more heat and less ash and maintenance during burning. This means less air smog is also generated through the use of pellets.

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Making Wood Pellets And Burning Pellets

Wood is truthfully universal raw material. For thousands of years wood has been used as a construction material, material for tools and tools, paper and fuel. Since the finding of coal, wood has been a forgotten fuel source, and the onset of oil and gas fuels compounded this effect. Today however its is coal, oil and gas which is being put under the spot light, as these fuels are revealed to increase CO2 levels by a important amount. Increased levels of CO2 in the atmosphere means more warmth from the sun are reflected back at the earth and not permissible to escape the earth?s exterior. This will lead to an raise in global temperatures, which will have effects on virtually every plant and animal on earth. Wood though as a fuel does not cause the same complications. When wood is burnt it does release carbon dioxide, however the imperative factor is where did the carbon dioxide come from. During the existence of the tree, it absorbs carbon dioxide from the environment. So during combustion the carbon that is released will be reabsorbed by the next trees. This means wood and tree?s are part of the carbon cycle. The other significant factor with wood is it is a locally sourced fuel source. Fossil fuel prices are very unsound, particularly as fossil fuels are only sourced from a few locations. Sourcing biomass fuel?s locally means lower fuel prices and also less fuel transportation, which also advantages the atmosphere.

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When a lot of people think of wood as a energy source, many still think of logs made from old oak tree?s. However this is a very outdated view as wood as a fuel, and mainly because it is flawed. We simply cannot grow oak tree;s fast enough to sustain a consumption of logs for fuel. Therefore other wood species need to be used as a fuel source that are sustainable. Willow or more particularly short rotation coppice is a very fast growing wood species which can be used for several different uses counting as a fuel. Another related biomass material that is perfect as a fast growing fuel source is Hemp. So now we have these fast growing wood species, how can we use them competently to generate heat and electricity. Well the answer comes in the shape of pellets.

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Pellets are small round cylinders, and can be made from many dissimilar raw materials for many dissimilar uses. One the willow and hemp have been processed into pellets they can be used directly in pellet stoves and boilers to generate heat in homes and businesses. They burn up very efficiently, and make very little ash and smoke.

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Encouraging Home Power Production And Heating From Regional Fuels

Today in the current economic crisis, it is even more apparent how unstable our current economic situation is, and many of these problems are due to central power, money and industrial institutions. On the whole most of the money, energy (oil,gas) and jobs that people use and are apart of are controlled by a few very large organizations. The dilemma with this is that when they make mistakes it affects the full market, because they are the marketplace. The other issue is they themselves are no mainly at risk from these mistakes. Take the banks for example; while they caused the crisis from irrespirable lending, they themselves are now seeing a revival while the rest of the economy is going to struggle for at least the next few years. Things need to change, and can be changed by decentralizing many critical areas of our life?s. A key area of decentralization that needs to be looked at is small-scale power generation. In Germany today this philosophy is being put into practice with great result. Basically instead of a few large power stations feeding the grid, a large assortment of small power generators supply the grid. This has several benefits in terms of jobs and the environment. With regards to jobs, by decentralizing the power grid provides community jobs in a stable industry. Small-scale creation is also a direct incentive for energy efficiency, a key element in tackling global warming. The small-scale energy producer gets rewarded on how much energy they produce, therefore the less power they use, the more cash they make. This motivation is the easiest way on a large scale to make people play a hands-on role in reducing energy use. So how on a small scale can energy be generated from local resources?

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The first idea that comes to mind it evidently wind and solar power, and these are equally valid ways to make electricity on a small scale. However to in reality run a small business the size of wind or solar farm in reality has to be quite large. So how could you run a small-scale power business on community resources to produce a substantial income? The answer is biomass and gasification. Biomass is organic matter that can be used as a fuel; this includes wood, straws, grasses and waste. Gasification is a way to crack the biomass down into its basic elements. This gas can then be used in an internal combustion engine to make electricity.

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The easiest system to use biomass in gasification systems in an automatic process is to upgrade the biomass into pellets. Pellets are compressed forms of their initial raw material, and have a homogeneous shape, size and density. These features mean pellets flow like a liquid and are ideal for automatic feed systems into a gasifier.

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Creating Energy From Alternative Forms As Well As Using It Competently

There are a mixture of forms of renewable power. The most universal and well-known forms of alternative energy are wind and solar. However biomass needs to take part in a more major role as a frequent energy resource. Biomass is a generalisation of many diverse sources of energy. All biomass energy is grown energy, this includes all plant mater and processed natural mater, which can be used as a fuel source. This can then include several sources of purpose grown fuel, and also a lot of waste. For example from the wood industry a lot of sawdust is produced, this sawdust can be processed into wood pellets to be used as a low cost, low maintenance home heating fuel. Other wood species, which grow at an accelerated rate, can also be used for fuel pellets and other energy conversion technologies. Willow or short rotation coppices are forms of fast growing woody biomass, which is ideal for this purpose. Hemp is another biomass fuel source, which grows at an accelerated speed; it can be used for several different purpose including bio-diesel, textiles, paper, food and plastics. After hemp processing there is also waste dust and fibres, this waste can then be utilized for pellet fuel manufacture. Most of waste today still goes into landfill, and much of this could used to create new products and fuel. Our ideas of what is and isn?t waste need to change as resources become more expensive. To extract fuel from biomass, usually means combustion, and many people still believe that is just as bad as burning fossil fuels. The key dissimilarity during biomass incineration the carbon released was from the environment and fossil fuel combustion the carbon was from deep underground. Therefore biomass combustion does not add to the levels of carbon within the atmosphere.

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Wood pellets as mentioned above are one form of biomass fuel. All types of wood can be processed into energy pellets, however the caliber of the wood and its bark content will affect its fuel rating. For example wood with bark and some wood species in general generate more ash, and for that reason has a lower price as a energy pellet.

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Pellet Mills are used to compact the wood into pellets. Usually wood pellet creation has been seem to be only a large-scale business process, however it is possible to produce pellets on small-scale equipment. Creating pellets however can be delicate process and certain factors have to manage to produce a quality pellet. These factors include the moisture content of the raw material and the temperature of the process to name but a few. An truthful descriptions is to associate pellet production to cooking. To learn more about the procedure please click the pellet mill link beneath.

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Distinctive Ways To Warm Your Home And Diminish Your Energy Supplies

Today more and more people are looking into diverse ways to heat their homes. There are quite a few reasons for this, and a principal reason is the ever-increasing rate of gas, electricity and oil. Prices for power have always being areas of concern, however recently the price for power has become unstable. The reasons for this are partly due to conflicts and political disagreements. Other reasons include increased demand for energy from large developing countries such as India and China. As the countries rapidly develop, their industry grows and more people gain access to a contemporary lifestyle. With this comes an greater than before demand for energy, which will only continue into the future. Nevertheless the price of energy is not our only apprehension, as the source of our energy has even more significance. Currently our forms of energy are predominantly fossil fuel based, whether it gas, oil or coal. For example China is powered by low efficiency coal power stations, this is not only introducing huge amounts of carbon dioxide into the atmosphere but also large amounts of air pollution. Now China cannot be blamed for this as the western world went through the same progression, however all countries must make efforts to look for greener and cleaners power technologies. Pellet stoves for example are one way on a small scale we can all make a pro-active change to a low carbon renewable power source. Pellet stoves are available in various different shapes and sizes, to meet all heating demands and requirements.

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Pellet stoves and pellet boilers use fuel pellets to create heat energy to heat homes and businesses. The fuel pellets are predominantly wood pellets made from waste wood residues from mainly pine, spruce and oak. The wood has its bark detached and then goes through a hammer mill to be processed into a dust. A pellet mill or pellet press the turns this dust into wood pellets. However other fuels such as straws and grasses can also be processed into fuel pellets. These forms of fuel pellets are not yet as fashionable as wood pellets.

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Biomass, of which wood is a part of is any organic material which can be used as a energy source. This includes specifically grown fuel crops, however importantly it also includes utilizing waste streams such as sawdust and agricultural residues. As wood is part of the carbon cycle it is also a low carbon renewable fuel source. The ash left over after incineration is actually an brilliant fertilizer, which can make the process carbon negative. This means the use of biomass in boiler and stoves could actually help to overturn global warming and climate change.

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What Are Fuel Pellets, Wood Pellet And Pellet Mills

Not that many people are aware of fuel pellets. The current most popular forms of energy, which are fossil fuel based, must be replaced with sustainable alternatives. A sustainable resource is one which can be used at the current levels of consumption and future consumption levels without depleting resources. This also therefore indicates resources which can either rapidly replace them selves or there is an abundant source of that energy. Solar, wind, wave and geothermal are types of energy where they almost always available and are abundant. The question is are these forms of energy enough to meet our total energy requirements, the costs to collect the energy and times when the energy isn’t available. Due to these issues we have to construct an energy future which includes these forms of alternative energy, but also includes a resource which can cultivate and grow, which is biomass. Biomass is any living or recently dead organic mater which can be used for fuel, this obviously includes wood, however it also includes so much more. By upgrading biomass into pellets, pellet fuel is created. Pellet fuel is ideal for automatic hopper feed systems which are found in stoves and boilers. Under high pressure wood is formed into fuel pellets and as such its increased density has several advantages.

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The most popular and well known form of fuel pellets are wood pellets. The increased density of a wood pellet compared to say loose sawdust or even wood logs is the reason they burn so well and work well in feed hoppers. Wood pellets have a uniform shape and size and also due to their density they flow like a liquid and are ideal for hopper systems unlike loose low-density sawdust, which will get blocked up in the hopper. The increased density of the wood pellets also means a much higher combustion efficiency is achieved compared to uncompressed wood. From a few wood pellets a much higher heat value is obtained and they produce very little smoke and ash.

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A pellet mill is used to compress the wood into wood pellets. First the wood is put through a chipper then a hammer mill to reduce its size. The wood must have a low moisture content before it enters the pellet mill to aid lignin melting. Once the wood enters the pellet mill it is compressed between a set of rollers compressing the wood through a die.

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Why Wood Pellet Stoves And Wood Pellet Boilers Have Had A Revival

Pellet stoves have existed since the early 1980’s, however at that time they were seen more as a gimmick instead of serious option for heating your home, business or any other property. The reasons for this were at the time the price, supply of fossil fuels namely gas and oil was cheap and stable. There was also not a wide acknowledgement as there is today on the effects of use of fossil fuels on global warming. At that time gas was also been installed in many places as the best fuel there was, it was cheap, burned very cleanly and required very little maintenance from the user. Against these obstacles pellet stoves did not stand a chance, as there appeared to be no advantages compared to using gas or oil and global warming wasn’t on anyone’s minds. Also there was obviously no supply of wood pellets, without a supply of pellets no one will buy a stove. The problem is pellet plants are expensive and companies would not invest as there was no market. So the pellet stove lay dormant for over 20 years.

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At the beginning of the 21st century wood pellet stoves began their revival. There are two events which started a renewed interest in wood pellet stoves and this was the wars in the middle east and climate change becoming more of a serious issue. With the wars in Iraq and Afghanistan, the price of oil was constantly changing and breaking new records daily on the price per barrel. The instability in the region was causing supply issues and thus price rises

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The other significant event which has given new life to wood pellet stoves and wood pellet boilers is global warming and climate change. Its is now acknowledged that our addition to fossil fuels has also affected our global climate. By burning fossil fuels such as oil and gas we have increased the amount of carbon in the atmosphere, which reflects the suns energy back at the earth causing climate change.

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