Activated Carbon Now

Activated Carbon Absorption: New Technology for Clean Air
According to the Environment Protection Agency, indoor air is up to five times more harmful to breathe than outdoor air. New technology has been directed to solving this problem with air purification devices. Much progress has been made: they work better at providing clean indoor air than ever before, but we want to be sure we use the safest, most effective method.
There are a few different methods available to use to achieve clean indoor air: Hepa, Electrostatic, and UVA and Activated Carbon Absorption methods. The Activated Carbon Absorption is a very efficient way of sustaining a purer indoor environment, and is quite safe. It is a very good tool for cleaning cigarette smoke from a living or working space, which is a common and very dangerous pollutant.
Most air purification systems function through the use of filters and activated carbon absorption methods are no different. Untreated air is pulled into a cleaning unit through the activated carbon filter. This helps rid the air of pollutants such as pollen, dust, cigarette smoke, allergens, and other chemicals. Filters, activated carbon filters and all other varieties, require regular cleaning to work effectively.
Everyone benefits from the new technological advances in clean air technology, especially those with asthma or who live and work in dangerous respiratory environments. Activated Carbon Absorption provides a safe and effective solution to our indoor health issues.

Current energy options cannot meet future demand and are causing long term damage to the planet, pellets are an alternative option. Pellets for fuel purposes can be made from a large selection of resources. Wood is such a resource; wood residue is available as a waste resource from sawmills. Sawmill waste is usually sent to be made into premium wood pellets as it contains very little or no bark and is predominately pine, spruce or oak residue which produces very little ash during combustion. Premium wood pellets also contain very little moisture, which also enables a higher combustion temperature and more complete combustion. Many other biomass resources can be processed into pellets to be used as fuel. These include purpose grown energy crops such as miscanthus, switchgrass and hemp. Other resources such as grasses and straws can also be produced into pellets. Burning other biomass pellets as apposed to wood does however create issues. Ash, clinkers and corrosion are some of the obsticales in burning some biomass pellets.

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Wood pellet stoves are more suitable for heating small spaces to provide either your full or supplementary heating requirements. Wood pellet stoves come in various different shapes and sizes, with various heat outputs. The stove can also serve as an attractive centerpiece for the room. Some pellet stoves come with an additional back boiler to connect up to your central heating system. It is possible to use other fuel pellets in pellet stoves, however the burn pot design and several other features are crucial to whether the stove can combustion the pellets well producing little ash and achieving complete combustion.

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Pellet boilers are required to heat a larger area, and they also need a larger space for the boiler and fuel. Some people choose to have a small pellet stove in the living room and then use a pellet boiler to heat the rest of the property. Running a pellet boiler is a lot less work than running a log boiler for example. Pellet stores can hold various weights of pellets depending on their size from holding a day or so of pellets to holding up to a years supply. Depending on the type of fuel used in the pellet boiler the amount of manual maintenance will change, for example the ash content. Straw fuel pellets for example can contain over 10 times the ash content of say premium wood pellets.

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Most of our current energy and electrical production either comes from coal, oil or nuclear power plants. While coal and oil power plants are prime culprits for high CO2 outputs linked to global warming, nuclear power plants are hardly the safe or cheap option. So what other energy options to produce electricity are available to us, and should we follow the same network set-up of a few large-scale electrical production facilities. You will obviously be familiar with wind turbines and generating electricity and how solar PV panels can also be used. There are also solar thermal power stations where the suns energy is directed by a series of large mirrors to a tower with a boiler at the top. The heat from the sun is directed onto the boiler. The boiler then produces steam, which powers a turbine to produce electricity, which is sent back to the grid. Is it also possible to produce electricity from wood and other biomass resources, even on a small scale. Wood and biomass when combusted efficiently are a carbon neutral fuel, which burns much cleaner than oil and particularly coal.

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A process called gasification can turn material such as wood, straw, grasses and any other form of biomass and waste into a collection of gases. These gases include methane, carbon monoxide and hydrogen; with a 1:1 air ratio in a combustion engine the gases can run any internal combustion engine. So even a small setup could be used to run a gasifier on wood or any other biomass and then put the electricity into your home or send it into the grid in return for revenue.. There are several advantages from completing this process on a small scale which include control of your energy cost and supply and additional revenue from selling energy back to the grid. Energy will only become more expensive in the future, and small scale energy production provides a good source of jobs and cheaper energy costs for the consumer.

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Large-scale gasifiers operate with large unprocessed biomass, and can do so economically and efficiently because of the expensive automated setup. Obviously to keep costs of operation and labour to a minimum automation is also important however the cost of the equipment to justify output must also be considered. To enable an efficient process with low costs on a small scale the best option is to upgrade the raw material into pellets. Pellets have a uniform shape and size and high density, therefore contain very high yields of energy per tonne of fuel compared to unprocessed biomass. By operating a small scale gasifier on pellets provides the level of automation required to operate a small-scale electrical generator efficiently and at a profit.

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Burning wood pellets and other biomass fuel pellets efficiently depends on several factors including volume; speed and temperature of combustion air and burn pot designs. There are many different designs of pellet boilers and stoves, ranging from the simple designs to cope with premium wood pellets, to more sophisticated designs, which can cope with high ash content pellets, clinker and slag formations and corrosion issues. Burning pellets is far more efficient than burning other solid fuels including logs and coal. Due to this pellet combustion produces much less ash and therefore much less maintenance than burning other fuels. There are other areas of pellet combustion that are attracting interest in both the developed and developing world. In the developed world, pellet BBQ’s are growing in popularity. Both softwoods and hardwoods are being produced from varieties such as apple and cherry wood and the flavours transfer very nicely into the food. Using pellets of these wood varieties also means pellet BBQ’s are also ideal to smoke food. In the developing world, cooking is also an area of interest for pellets.

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Basic stove designs using solid combustion technology are being designed so people can use a wide variety of local biomass resources to produce fuel for cooking purposes. Deforestation is becoming an even more serious issue; due to western activities of removing forests there is less wood resources for local people to use in a sustainable way. Simple wood fires are highly inefficient and most of the energy of the wood is wasted. So to reduce the deforestation, more resources must be made available in a useable form and combustion efficiency must also be dramatically increased. Basic stove designs such as the rocket stove work on the principles of gasification and complete combustion. This means the stove is far more efficient than an open fire, cooks the food far more quickly and also more importantly uses far less fuel. As these stoves have no moving parts they are also cheap to produce, which is important to try and speed up improved combustion technology adoption.

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Why pellets play such a crucial role is the ability to use other fuels than simply just wood. Agriculture is obviously the main source of income, and there are huge resources wasted after the food crops have been harvested. Straw is regarded as a waste in many countries and simply burned in an open fire. This is not only really bad for global warming due to the poor combustion, however it is also a massive waste of useable energy. Straw can be turned into pellets, which is ideal for these designs of stoves.

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The global support of pellets is increasing. One of the largest industries currently for pellets is the animal feed industry. Animal feed formulas are prepared, then through heat and pressure in a pellet mill reformed into pellets. Animal feed pellets store better than loose animal feed and also take up much less storage space, it is also easier to ration out set amounts of feed. These advantages are what have developed the feed pellet industry in the size it is today. However, due to concerns over global warming and ever-increasing oil prices, pellets are now being taken seriously as a high efficiency fuel. Many different possible organic fuel sources can be compressed into pellets. Currently the most popular form of fuel pellet is the wood pellet or more specifically the premium wood pellet. Wood in pellet form is a very efficient burning fuel. Due to the high density of the wood in pellet form, a much higher heat value and less ash and particulates are produced compared to burning wood logs for example. Other possible organic fuel sources which can be processed into fuel pellet include straw, miscanthus and hemp. Many resources currently regarded as waste could also be processed, these include agricultural residues and even cardboard.

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Wood pellets are a low maintenance fuel as they produce low ash and high heat. Therefore they also require very little maintenance with some pellet stoves and boilers operating for several months at a time unattended. Other biomass fuel pellets are not as easy or as simple to burn as wood pellets. These issues relate too much higher ash contents, possible clinker and slag formations and corrosion issues. Sulphur and chloride are contained within some organic fuels are highly corrosive elements. Coal for example contains high levels of Sulphur, burning corrosive fuels in burners not designed to cope with the fuel can quickly corrode the burner. BBQ wood pellets are also growing in popularity over gas BBQ’s, using hard and softwood pellets for cooking can make some of the best BBQ food available.

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All pellets whether they are produced for animal feed or fuel are produced under the same basic principle. Firstly the raw material needs to have relatively low moisture content, and particle size also needs to be fairly small. This material is then feed into a pellet machine referred to as a pellet mill or pellet press. In the pellet machine there is a roller and a die, as heat and pressure increase the raw material is compressed through the die into pellets. As the pellets come from the machine they are very hot, and they must be cooled before they turn hard. The pellets sometimes must also be sieved to remove fines before they are packaged.

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Temperature rises and global warming are very serious issues, to combat the issue proactive change needs to take place to change our source of energy and reduce our energy consumption. Our current source of energy is predominantly from fossil fuels, this includes for example oil, gas and coal. By using these fuels however we are compromising air quality and dramatically increasing the levels of carbon dioxide in the atmosphere. Increased carbon dioxide means increased temperatures due to the green house effect. As the suns energy enters our atmosphere, a lot of the energy should bounce of the earth and be sent back into space. Carbon dioxide however reflects this energy back at the earth. Therefore the more carbon in the atmosphere the more energy is reflected back at earth and then increased temperatures result. We are now talking the impact of temperature change more seriously, as it impacts on every aspect of our lives, for everyone around the planet. Now the emphasis is on alternative energy forms, renewable and importantly low carbon forms of energy. These include wind, solar, wave, geothermal and biomass. Using these forms of energy are obviously an important factor in challenging climate change, however energy security is also a major benefit to changing our current energy system.

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Due to our increased use of energy, fossil fuels are not as abundant as they once were and a few countries control the main reserves. Issues are occurring between nations that hold the reserves and those that need the energy. These disputes are leading to major disagreements, with gas lines stopped, ever increasing price rises and also in many peoples opinion the cause of resent wars. The longer there is this unstable relationship with energy trading and energy consumption continues to increase, disputes and wars will continue. Therefore we need to adopt renewable energy technologies sooner rather than later to improve global stability. The key advantage with renewable energy technologies are they are mostly in some form or another none location specific, hence the energy can be locally produced.

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Energy production within the country itself has several advantages; these include cheaper energy prices, stable energy prices, economic support in terms of increased employment and economic support in terms more money kept within the local economy. As energy transportation is minimized, prices for fuel will be reduced. Energy prices will become more stable as local energy production is less influenced by the global economy, political factors and currency exchange rates. Support for the economy is supported through long-term local jobs in the production, processing and distribution of renewable energy.

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Oil and gas prices are continuing to rise, and will continue to rise in the future. The reasons for this are less countries now have there own fossil fuel resources anymore, and as population size continues to increase at an accelerating rate, our consumption of oil and gas also increases at an accelerating rate. However there is another factor, as developing countries turn into industrial nations, their use of fossil fuels also dramatically increases. China has a population of over a billion people, with India not far behind. As now most products sold around the world are produced in China, and Chinese people expect a better standard of living this also increases fossil fuel consumption. Now oil and gas are contributors to increasing levels of carbon, however coal brings about other issues. China has huge coal reserves, and has thousands of coal-fired power plants. However the efficiency of burning the coal is very low, and large volumes of fly ash and particulates come from the power stations and have a huge effect on air quality. During the Olympics air quality was increased through the closure of many Chinese factories. Many people became aware of this, as steel prices rose sharply. Now, the western world cannot blame China for using coal, as it is the main resource of energy they have. We should instead set an example, and develop and prove alternative energy technologies.

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Many of you will be familiar with wood pellet stoves, and possibly pellet boilers. Pellets and pellet stoves are one of the simplest, low energy, low technology means to produce alternative and clean renewable energy fuels. To create the fuel, wood or any other biomass for that matter is dried and then compressed through a pellet mill or pellet press into pellets. A pellet stove or boiler has a hopper and auger feed system. Pellets are used well in automatic feed systems. Due to the high density of the pellets, they burn very efficiently with a high heat value and no visible smoke.

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Pellet stoves and boilers come in various different shapes and sizes. They can be used to heat the smallest home to the largest factory. Low cost but high efficiency pellet stoves can also use pellets very well. Certain rocket stove designs and other stove designs can use pellets efficiently and the stove has no moving parts, and is cheap to produce so is ideal for developing countries. The western world needs to take alterative energy technologies such as pellet stoves and boilers more seriously, to encourage the rest of the world to follow. The western world is the main contributor to global warming, so should be the most pro-active in the solutions.

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As we all now too aware of, our use of fossil fuels is having a negative impact on our planet. This negative effect comes from the fact we are altering the climate of our planet through releasing additional carbon dioxide into the atmosphere. The green house effect is increased through rising levels of CO2. What this means is the carbon reflects the suns energy back to the earth instead of it escaping through the atmosphere, hence a rise in temperatures. Therefore our source of energy has to change from oil and gas to other alternatives, which do not place additional carbon dioxide into the atmosphere. Wind, wave and solar energy are not part of the carbon cycle, so are ideal forms of low carbon energy. Biomass, which is any form or organic material, which can be used as a fuel, is carbon neutral, however it does involve burning the biomass to release its energy. So how can this be carbon neutral I hear you ask? Well put simply, the carbon released through biomass combustion was absorbed from previous biomass, and as long as more biomass resources are grown to replace the used biomass, no additional carbon dioxide is placed into the atmosphere.

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So how can we use biomass? Processing biomass into pellets is a low energy input process which produces a high value fuel. You may already be aware of wood pellets and pellet stoves, however wood pellets are just the start. There are many other biomass resources, which can be turned into pellets to be used in stoves and boilers. Through using a pellet mill or pellet press the biomass is compressed into a uniform pellet of a set diameter and length. Therefore pellets are a standardized fuel, for which efficient and economical systems can be designed for pellets. Combustion efficiency of wood pellets is far higher than logs or wood chips.

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Another key reason to move away from fossil fuels on to alternatives like biomass is to support your local economy and develop energy security. With alternative energy such as biomass new jobs and new money can be developed. The farming, processing, resale and consumption of biomass fuels such as pellets can all operate in the local economy. Through this system energy security is possible, where the source of energy is controlled. Currently the supply of energy is controlled through a few countries, who will push the price as high as they possibly can, or if the price isn’t right, stop supply which has happened within the year. Renewable energy and biomass can help the planet and our economic problems.

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HOMEMADE WATER FILTER – ACTIVATED CARBON

The tap water that we get these days is mostly contaminated. It has too many harmful germs and such constituents which may be hazardous to health. Are you consuming tap water daily knowing that it is likely to make you sick some day if not immediately? Are you postponing buying a good filter because it is too expensive? You have nothing to worry about. You may give a thought to making your water filter at home that will be equally effective like the one you get in the market and inexpensive too. If you want to make your own water filter, there re two options. Either buy a kit and assemble at home or build a water filter from the beginning. In either case, the basic parts required would be the same.

To start with, first decide as whether you would need a single, double, or a triple filtering system, which depends on the kind of water you are getting. Once you have decided, you will have to assemble the housings. You can refer to books or seek help online for assembling the housings. Ensure that the assembled housings are secure and water does not leak from anywhere. Then, you will have to choose the type of filter, whether granulated activated charcoal, silver sterasyl ceramic, and carbon block. The first one is most used and affordable. Activated charcoal filter uses tightly packed charcoal which adsorbs pollutants from water and renders the water free from contaminants and also lead and other heavy particles. The second variety that is silver sterasyl ceramic filter destroys bacteria and other harmful ingredients, but this kind is difficult to make at home. The carbon block filters are as efficient as activated charcoal filters and they remove fluoride too, thus making them better that the former.

Once you have selected your filter, place it inside the housing. The water filter then has to be placed under the sink on the water inlet. Close the water flow, remove the pipe, introduce the filter section in and again replace the pipe. When you turn the water on, ensure that the filter does not leak. Allow the water to run for around 10-12 minutes and now the water is ready for consumption. If no doubt, visit Homemade Water Filter System, for any clarification.

Is global warming caused by man or is it just a naturally accruing event? and ‘is our use of fossil fuels the cause’. Within the recent years the augments against the fact that our use of fossil has a direct effect on global warming have subsided. Now, whether fossil fuel combustion is the sole cause is still debated, however it is clear that increased CO2 levels due to fossil fuel combustion is a contributing factor of climate change. The issue obviously is oil and gas today play an integral role in every aspect of our lives, whether it’s heating our homes or driving our cars. Put simply we live a fossil fuel way of life, and things have to change. We therefore need to look to alternative methods to generate the energy we need to power our lifestyles and future development. There are several options available to use this include solar, wind, wave and biomass.

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We must consider the effects and benefits of all types and forms of alternative energy, and the use of biomass has several benefits. One of the key benefits of biomass is it is a cultivate resource; this means a biomass economy could evolve on the cultivation, processing and distribution of various biomass energy products. These products can include oil products such as ethanol and bio-diesel, bio-ethanol can be produced from any biomass resource no just corn, in fact corn should be solely used for food and the waste corn cobs and straw should be used to produce ethanol. Biomass can also be processed in to solid fuels such as pellets. Both heating and cooking is possible through the use of biomass. A biomass economy unlike a fossil fuel economy is decentralized, as almost anyone in any location can cultivate some form of biomass. Therefore monetary resources are spread more evenly through the world economy instead of certain oil states acquiring obscenely large amounts of monetary assets.

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Biomass can be processed in a pellet mill or pellet press into a high density, high value solid fuel. Biomass pellets flow like a liquid and are therefore ideal for automatic hopper and feed systems found on pellet stoves and boilers. By compressing biomass into pellets a much higher and more efficient combustion temperature can be achieved. Once a biomass pellet fire is up to temperature no visible smoke can be seen coming from the fire, and for developing countries with health risks from poor combustion wood fires, pellets offer a way to improve their health and quality of life. Therefore it is clear, there are other options to oil and gas, we just need to invest in alternative technologies to develop them in the energy sources of the future.

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