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Get a sweet solution for your energy problems

 
 
Reply Thu 7 Jan, 2010 07:58 am
Does that title renewable energy news surprise you?

Energy research scientists have found out that sugar cane biomass, the waste product from sugar cane production, is a good renewable resource for producing electricity. This Edit [Moderator]: Link removed was published in Progress in Industrial Ecology, an international research journal. According to Vikram Seebaluck from University of Mauritius & Dipeeka Seeruttun from Royal Institute of Technology an optimal mix of ‘sugarcane agricultural residues and sugarcane bagasse’ (it’s the fibrous residue left after sugar production) can be used to make electric energy. The report says that the cost would be only 0.06USD/kilowatt hour. This is a very reasonable amount when compared to the other renewable energy resources.

Sugar, the perennial grass from genus Saccharum is usually found in wet and dry tropical regions and moderately sub tropical areas. 30 tonnes per hectare of sugar cane fibre and juice are usually taken to factories as a part of sugar production. This leaves a waste biomass of 24 tonnes /hectare. At present sugarcane bagasse is burnt for onsite heat and production of electric energy at sugar factories. The excess electricity is getting transferred to the grid. But about 24 tonnes/hectare of sugarcane waste remains unused.

This waste contains energy content similar to sugarcane bagasse. According to the researchers this can be used along with sugarcane bagasse effectively to produce electricity at a cheaper rate. A 30:70 combination of sugarcane waste and bagasse considerably reduces the chance of fouling of the furnaces which are used to burn the material. On considering the technical and economic side, sugarcane waste and bagasse are the most feasible options for creating electricity. This would also create rural jobs, decrease the cost of energy imports and reduce the emission of green house gases. It is estimated that the use of sugarcane waste in electricity generation can displace about 230 kg of coal for an equivalent quantity of energy produced and 560 kg of carbon dioxide /tonne.
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dadpad
 
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Reply Thu 7 Jan, 2010 08:37 am
sugar mills in northern NSW (australia) and QLD are moving to this goal however in order to produce a year round sustainable amount of energy other sources of energy will be required. One thought is to use plantation grown blue gum.
If i can find the article i will return with a link
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dadpad
 
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Reply Thu 7 Jan, 2010 09:13 am
Knew i had it somewhere
http://www.sunshinesugar.com.au/sust_energy.htm
Power Generation from Renewable Energy Sources

The New South Wales Sugar Milling Co-operative and Delta Electricity have formed a joint partnership named “Sunshine Electricity” to construct two 30-megawatt cogeneration power plants at Broadwater and Condong. Construction of the power plants commenced in late 2005.

The project is one of the largest renewable electricity generation projects currently underway in Australia and from mid-2007 at Condong and late 2007 at Broadwater, these two generators will supply the total electricity needs of the towns of Lismore, Casino, Ballina, Byron Bay and Murwillumbah - all from accredited renewable fuel sources.

..............SNIP........
Bagasse
The sugar mills are already self sufficient in their energy needs, producing power by running existing boilers on bagasse
............snip.........
Cane Leaf
Once the sugar cane is ready for harvest, the traditional technique has been to set fire to the cane to burn away the dead leaf, which comprise approximately 25% by weight of the whole crop. Any residual cane leaf is then separated from the cane during the harvesting operation.

However, after the new cogeneration plants are in operation, cane fires will be phased out in the Broadwater and Condong milling areas. Instead, the cane will usually be harvested green and the entire crop transported to the mills, where the leaf and other organic matter will be separated from the cane and used to fuel the boilers.
.....snip.....

Chipped Wood From Renewable Sources
The remaining material is to be sourced from Camphor Laurel, a noxious woody weed rampant in the Northern Rivers of New South Wales.
Another potential source of fuel may be sawmill residue from local milling operations. Certificates verifying that the source of sawdust residue is from plantation timber would accompany the supply and government agencies will verify the chain of supply.
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