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The Water Cooler
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EPA increases ethanol to 15%
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<blockquote data-quote="BluRaySS" data-source="post: 1410689" data-attributes="member: 13311"><p><strong>And it's not just cars</strong></p><p></p><p>Electricity generation from bagasse</p><p>See also: Bioenergy</p><p>Neat ethanol car fueling E100 at a Piracicaba gas station, São Paulo.</p><p></p><p>Since the early days bagasse was burnt in the plant to provide the energy required for the industrial part of the process. Today, the Brazilian best practice uses high-pressure boilers that increases energy recovery, allowing most sugar-ethanol plants to be energetically self-sufficient and even sell surplus electricity to utilities.[60] By 2000, the total amount of sugarcane bagasse produced per year was 50 million tons/dry basis out of more than 300 million tons of harvested sugarcane. Several authors estimated a potential power generation from the use of sugarcane bagasse ranging from 1,000 to 9,000 MW, depending on the technology used and the use of harvest trash. One utility in São Paulo is buying more than 1% of its electricity from sugar mills, with a production capacity of 600 MW for self-use and 100 MW for sale.[76] According to analysis from Frost & Sullivan, Brazil's sugarcane bagasse used for power generation has reached 3.0 GW in 2007, and it is expected to reach 12.2 GW in 2014. The analysis also found that sugarcane bagasse cogeneration accounts for 3% of the total Brazilian energy matrix.[77] The energy is especially valuable to utilities because it is produced mainly in the dry season when hydroelectric dams are running low.</p><p></p><p>According to a study commissioned by the Dutch government in 2006 to evaluate the sustainability of Brazilian bioethanol "...there are also substantial gains possible in the efficiency of electricity use and generation: The electricity used for distillery operations has been estimated at 12.9 kWh/tonne cane, with a best available technology rate of 9.6 kWh/tonne cane . For electricity generation the efficiency could be increased from 18 kWh/tonne cane presently, to 29.1 kWh/tonne cane maximum. The production of surplus electricity could in theory be increased from 5.3 kWh/tonne cane to 19 kWh/tonne cane."[</p></blockquote><p></p>
[QUOTE="BluRaySS, post: 1410689, member: 13311"] [B]And it's not just cars[/B] Electricity generation from bagasse See also: Bioenergy Neat ethanol car fueling E100 at a Piracicaba gas station, São Paulo. Since the early days bagasse was burnt in the plant to provide the energy required for the industrial part of the process. Today, the Brazilian best practice uses high-pressure boilers that increases energy recovery, allowing most sugar-ethanol plants to be energetically self-sufficient and even sell surplus electricity to utilities.[60] By 2000, the total amount of sugarcane bagasse produced per year was 50 million tons/dry basis out of more than 300 million tons of harvested sugarcane. Several authors estimated a potential power generation from the use of sugarcane bagasse ranging from 1,000 to 9,000 MW, depending on the technology used and the use of harvest trash. One utility in São Paulo is buying more than 1% of its electricity from sugar mills, with a production capacity of 600 MW for self-use and 100 MW for sale.[76] According to analysis from Frost & Sullivan, Brazil's sugarcane bagasse used for power generation has reached 3.0 GW in 2007, and it is expected to reach 12.2 GW in 2014. The analysis also found that sugarcane bagasse cogeneration accounts for 3% of the total Brazilian energy matrix.[77] The energy is especially valuable to utilities because it is produced mainly in the dry season when hydroelectric dams are running low. According to a study commissioned by the Dutch government in 2006 to evaluate the sustainability of Brazilian bioethanol "...there are also substantial gains possible in the efficiency of electricity use and generation: The electricity used for distillery operations has been estimated at 12.9 kWh/tonne cane, with a best available technology rate of 9.6 kWh/tonne cane . For electricity generation the efficiency could be increased from 18 kWh/tonne cane presently, to 29.1 kWh/tonne cane maximum. The production of surplus electricity could in theory be increased from 5.3 kWh/tonne cane to 19 kWh/tonne cane."[ [/QUOTE]
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