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Wednesday, February 5, 2014

Biomass Solutions For Greener And Cheaper Energy

By Serena Price


Biomass solutions for greener and cheaper energy became more important in the last few years. Although people mostly think about crops and vegetable derived materials, this term applies also to animal derived material. Renewable energy sources are finally recognized and appreciated. The best thing is that these sources will be there as long as people continue growing their food, and these sources can satisfy all people's energy needs.

Almost all agricultural residues can be used in production of biomass. Non agricultural residues and even different types of industry waste are also suitable for this purpose. For example, the waste from wood, textile and paper industry. Using waste as a source for producing clean and valuable electricity, heat or bio fuels is always a good decision.

Energy crops is a name for all plants that are grown only to be used in production of energy. Some are used as food crops as well, for example sugar cane and maize. Sunflower and other oil crops are great for producing bio fuels. Besides, after being digested by animals on the farm, all these crops will be transformed into valuable methanol, and used for heating, for example.

Non agricultural sources such as forestry by products and different waste and residues created as a by product in specific industries, or even consumer waste, all that can become valuable biomass, and be transformed in some kind of energy. Instead being wasted, all these materials are put into good use once again.

Biomass products, such as bio ethanol, bio fuel and bio gas produce considerably lower quantities of pollutants, and are considered as low carbon fuels. Animal digestion transforms it into methane, and it is used for heating farms, for example. In short, biomass can be used as a source for numerous energy producing materials and become very useful.

Most fossil fuels are expensive. They have to be transported on long distances, and there are limited reserves of all these fuels. They all emit high carbon dioxide levels, especially coal. Coal is still quite cheap, even cheaper than using bio fuels, but really pollutes the air. On the other hand, most crops are grown locally, and easy accessible. The costs are additionally lowered thanks to that.

In process of production of energy, bio fuels and other biomass products emit some carbon dioxide, but in lower concentrations. Besides, this carbon dioxide will be used by plants in the next cycle. The plants will, using sun and photosynthesis, transform this carbon dioxide into valuable nutrients and, in the end, in energy. This means that plants will first absorb it during growth, and than release it in the air again, in never ending cycle. Sustainable growth methods lower the final carbon emission additionally.

Fossil fuel reserves are limited, and the time will come there will be no more. They are to blame for global pollution, and it is difficult to imagine the world without energy. Using renewable energy sources such as wind and sunlight is inevitable. Biomass solutions can additionally contribute to cleaner and greener world, using waste materials. The fact that most agricultural sources are seasonal may be override using dedicated energy crops, for example, fast growing perennial grasses.




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