Archive for August, 2010
Go Green by Using Biofuels
Biofuels are solid, liquid, or gas fuels that are harvested from recently dead organisms and materials. They can come from any biological carbon source, but they usually come from the photosynthetic processes of plants such as algae. Biofuels are a clean energy source, and they can be used to power anything from a car to household appliances.
Biofuels are an Eco Friendly Alternative
Using biofuels instead of fossil fuels is a great way to go green and be energy efficient, which will help save the environment and save you money. Renewable energy sources are basically the key to our future on Earth because they can be replenished and harvested as long as we need them. Fossil fuels such as coal and gasoline on the other hand are a limited resource so when our reserves run out, it becomes an ugly situation.
Another advantage of using biofuels is that they come in many different forms. For example, agrofuels are biofuels which are harvested from crops instead of waste processes. Agrofuels are used to produce ethyl alcohol (ethanol), which is an energy efficient fuel additive. With the increase in gas prices, ethanol is gaining popularity as an eco friendly alternative to gasoline.
Biofuels can also be used to create biodiesel, which is a non-petroleum-based type of engine fuel. Biosiesel can be used in both car and truck engines in order to reduce emissions and pollution. As previously mentioned, biofuels are vital for the future of Earth and the environment because they are energy efficient and renewable. The advantages of using them are far greater than the disadvantages.
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With climate change rarely out of the news understanding the carbon cycle and how to reduce your carbon footprint is important if we are to stave off the effects of global warming.
Many people attempting to live in an eco friendly and green way, will be aware of the need to reduce our carbon footprints and live as carbon neutral as possible. However, some people still find the concept difficult to grasp and are unsure of what carbon neutral really means.
Most energy we consume that powers and heats our homes, businesses and cars produces carbon dioxide (CO2) as a by-product. Whether its from the electricity that is generated in coal-fired power stations, gas that is burnt in our boilers or the petrol and diesel in our cars – all produce as a by-products CO2.
Contrary to popular belief, carbon dioxide is harmless to our health (unlike carbon monoxide which is a completely different by-product and should not be confused as it is not a major greenhouse gas), we breath out carbon dioxide ourselves as a by-product of burning oxygen in our bodies.
However, carbon dioxide does have an effect on the environment and as mankind is now producing far more CO2 than we are naturally meant to, this has caused the levels of CO2 in the atmosphere to rise. CO2 is a greenhouse gas, this simply means it acts as insulator, trapping the warmth from the sun’s light – just as a the glass in a greenhouse does.
Being carbon neutral, means that the carbon produced, for example by driving your car, is offset by the removal of CO2 from the atmosphere. For example, bio-fuels, now increasingly used in vehicles as a greener solution, whilst still producing CO2 when you drive, is offset by the growth of the vegetation that makes the fuel because when it is growing the biofuel crop will absorb CO2 in the atmosphere and turn it into oxygen.
Trying to remain carbon neutral is a difficult task and a daunting prospect for many businesses that are encouraged to make their companies as carbon neutral as possible. However, with such a wide range of eco-friendly products and innovations being developed all the time, it is hoped that eventually we will all be able to live a carbon neutral existence.
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Biomass is any organic material that is made by plants and animals. This includes all parts of plants, animal flesh and excretions such as manure. Biomass in rich in energy that can be used for fuel which is called biofuel.
Fossil fuels are also a biomass since it’s believed that they come from ancient plants and animals. But usually when people speak of biomass they are talking about material produced from sources that are alive now or were recently.
Biofuel is often talked about as though it was a new technology that we can use in the future to help solve our energy supply problems. But humans have been using biofuel since the beginning of humanity. The food we eat is a form of biofuel that we wouldn’t exist without. Humans have also used plant materials such as wood wax and whale oil as a fuel to burn for heat and light for thousands of years.
Newer technologies have allowed us to use biomass for making other biofuels. Biomass can be burned to power electric generators or made into methane, alcohol or bio diesel for powering our cars. These processes are energy intensive meaning a lot of energy is lost in converting biomass into the other forms of fuel or energy. Because of this these biofuels have not been cost effective or practical.
With all the technology going into biofuel research the one form of biofuel that we have been using since ancient times still remains the most efficient and practical. Burning biomass such as wood for direct heating is still the most efficient.
Instead of focusing on trying to use biomass to fuel our cars and generate electricity we may be better off using it to heat our homes and buildings. Firewood may not be practical for most people but pellets made from wood and other biomass may be. Burning pellets is cost effective, clean and may be the most efficient way to utilize the energy in biomass.
For those who want to use biomass as a renewable energy source heating with wood or other biomass pellets are practical and economical and the technology and distribution systems are already available.
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The E.coli bacteria also known as the Escherichia coli bacteria are bacteria that are mainly found in human and animal intestines and also in their feces. They are usually regarded as harmless bacteria to humans but just like any other type of bacteria, they are able to contain strains that may in the long run prove to be dangerous to people. An example of such a strain that may cause problems to people is the serotype strain believed to be the main cause of food poisoning.
However, the E.coli bacteria are not always confined in the intestines. The bacteria are said to have the ability to survive outside the body of the host organism for some estimated period. This ability makes them ideal organisms to be used in the environmental tests of fecal contamination. One of these tests is the coliform bacteria count in water. The E.coli bacteria are checked out for in the water samples obtained from water bodies being tested and once they are spotted, the water is confirmed to be recently contaminated with feces.
The E.coli bacteria belongs to the facultative group of the anaerobic bacteria and just as the name of the group suggests, the bacteria are able to survive in places where oxygen is present and when it is not available the bacteria can use other electron acceptors like iron, sulfate and possibly carbon monoxide which appears not to harm the organism. This way, the bacteria are able to continue to survive in the two kinds of environments something that is not common for many organisms on earth.
When subjected to the Gram stain experiment, the E.coli bacteria stains pink in color meaning that the bacteria would be categorized in the group of the thin layered bacteria commonly referred to as the “Gram-negative” bacteria. This explains why the E.coli bacteria is somehow resistant to the varying types of antibiotics. It is believed that the Gram-negative bacteria are more resistant to antibiotics compared to their Gram-positive bacteria counterparts.
Due to the ability of the E.coli bacteria to possess several strains, different types of antibiotics are needed to be administered each time a certain infection belonging to a particular strain is diagnosed by the doctor. This usually proves to be tricky to many doctors as they are supposed to know each kind of antibiotic that is required to treat a given kind of infection that is caused by a particular strain.
Some of the antibiotics that are commonly used to treat the infections caused by the E.coli bacteria include; aztreonam, amoxicillin, cephalosporins, nitrofurantoin, semi-synthetic penicillins and even the aminoglycosides.
To avoid being infected by the E.coli bacteria, always ensure that you maintain high standards of sanitation whenever you handle food. This could mean that you wash both your hands and the food that you are about to eat with running water and if you are cooking it, make sure that it is properly cooked. Another thing to do, is to always treat drinking water either by boiling it or disinfecting it by recommended disinfectants in order to prevent ingesting any form of the E.coli bacteria.
Now that you know and understand about the E.coli bacteria, ensure that you avoid consuming it in whatever way.
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The USDA recently came out with their estimates for corn ending stocks at .935 billion bushels which is 8% less than last year and an 11 year low. In fact the last time corn stockpiles were this low corn futures prices hit an all time high of over $5.00 per bushel. There is no guarantee that this same supply scenario will lead to all time high corn future prices again but massive amounts of new corn acreage will be necessary to keep up with the current demand and put a lid on rising corn futures prices.
Another consideration is the weakening US Dollar which makes American grains cheap to foreign buyers. There is more than a little talk by China and other Asian countries about reducing their amount of US Dollar holdings in favor of stronger currencies such as the Euro and the British Pound. This increased foreign buying power should lead to increased foreign demand and can also have an extremely bullish effect on corn futures prices over the near term.
Many analysts believe that crude oil futures prices must remain above $50 per barrel in order for ethanol production to remain profitable. Ethanol demand and usage is growing dramatically since the US government mandated its use instead of MTBE which was found to be poisonous to groundwater supplies and potentially harmful to humans. This mandate to use ethanol as a gasoline additive may also cut into the already tight corn supplies an help push corn futures prices higher.
There are two basic ways to speculate in the expectation of higher corn futures prices. Investors can purchase or go long corn futures contracts or purchase call options on corn futures. Many new investors choose purchasing call options on corn futures because of the finite risk aspect of purchasing options. Visit http://www.tkfutures.com/basics.htm to learn more about the mechanics of futures and options investments.
Before investing in corn futures or corn options investors must understand one basic truth. High profit potential investments such as corn futures and corn options carry with them a correspondingly high risk of loss potential. Investors in corn futures and options should only use risk capital because there is risk of loss in futures and options trading.
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Energy from waste programs may play a large part in the future, both for waste disposal and as a source of green renewable energy that does not rely on fossil fuels. The methods used for converting municipal waste to renewable energy source can vary, because there are a number of ways that this waste can be used. The waste can be burned and the heat used to create steam and electricity, or the waste can be used to create synthetic gas from burning of waste materials, which is then used for electricity and other applications. No matter which method is used to generate energy from waste, it is a better option than just throwing the waste in a landfill, where it will sit and contaminate the earth. Waste to energy programs take a common problem like waste disposal and turn this into assets like electricity generation or fuel production. With millions of tons of municipal solid waste being discarded each year in this country, this is a very large alternative source of energy that can be used to meet energy needs. Newer landfills commonly have methane gas recovery systems in place, to collect the gases that form when waste decomposition happens, and this gas is also an energy source.
Turning municipal solid waste to electricity has a large number of benefits. This energy source is domestic, and is produced close to home. There are no worries about unstable regimes or sudden price spikes because of politics. Best of all, the energy is created using waste, something that is discarded because it is no longer useful. There is no shortage of municipal solid waste, and waste management methods that use waste to energy processes can help supply much needed energy. Municipal solid waste can be turned into electricity to power and light your home, allowing it to make a full circle from your home as garbage and back to your home as electricity.
Alternative methods of recycling municipal waste can include pyrolysis and gasification. There are a few small differences between these two processes, mainly the amount of oxygen that is included in the process. Both of these methods can create energy from waste, in the form of both heat and gases that can be used for energy or sold for a profit. Managing municipal waste is important, because many landfills are full and others are nearing their capacity. Just dumping our trash in a landfill, even one designed for safety and maximum effectiveness, is no longer an option. Using this waste as an energy source is a good idea all the way around, and everyone benefits.
Food waste is another important resource for energy. The bioconversion of food waste for energy production can result in biofuels, like ethanol and biodiesel, as well as other types of energy. These biofuels burn much cleaner than traditional fossil fuels, and do not cause as much harm to the environment. They are generally considered just as efficient, and boats and cars have used these biofuels against vehicles using fossil fuels during races and won, showing that there are no performance differences. Just like municipal solid waste to energy programs, food wastes can be converted into many forms of energy that can be used in your cars and homes. Energy from waste programs will play a large part in the future of energy, because of the enormous potential waste offers as an environmentally friendly alternative energy source.
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