Organic Waste Ethanol


	Organic Waste Ethanol

Socratoad

10-11-2009 11:25 AM

104 views

Socratoad says:

Cellulosic ethanol is an exciting technology which promises to convert the abundant sources of organic waste worldwide (kitchen waste, yard waste, paper industry waste, etc.) into green alternative fuel. Unlike traditional ethanol, it won't use food crops or raise food prices. In addition, environmental impact studies have indicated that while traditional ethanol releases more greenhouse gases than burning fossil fuels, cellulosic ethanol could reduce emissions

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/70650c60-f8e8-4f37-b206-24c99ba71c42/AC88D238-267D-49CE-A956-7D7D57C8EC2F/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.dailytech.com/article.aspx?newsid=16462&utm_source=iNeZha.com&utm_medium=im_robot&utm_campaign=iNezha" href="http://www.dailytech.com/article.aspx?newsid=16462&utm_source=iNeZha.com&utm_medium=im_robot&utm_campaign=iNezha" style="font-size: 11px;">www.dailytech.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailytech.com/article.aspx?newsid=16462&utm_source=iNeZha.com&utm_medium=im_robot&utm_campaign=iNezha"><SPAN class="ArticleSummary" id="ctl00_MainContent_lblSummary">The outlook for waste-ethanol is looking up</SPAN></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailytech.com/article.aspx?newsid=16462&utm_source=iNeZha.com&utm_medium=im_robot&utm_campaign=iNezha"><DIV>Traditionally the
creation of cellulosic ethanol follows one of two routes.  The
first route is to first plasmify the organic matter, breaking down
the cellulose and creating a gassy mix of small hydrocarbons. 
This mix is then fed to special bacteria, which produce the ethanol. 
Coskata, one leading manufacturer that <A href="http://www.dailytech.com/Inside+The+Magic+Box++How+Coskata+Will+Deliver+1Gallon+Ethanol/article13199.htm">promises
$1/gallon ethanol</A>, is implementing this strategy.</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailytech.com/article.aspx?newsid=16462&utm_source=iNeZha.com&utm_medium=im_robot&utm_campaign=iNezha"><DIV>
A second
route is two feed the cellulose <A href="http://www.dailytech.com/NASA+Developing+BioFuel+Food+Production+Using+Cellulose/article15971.htm">directly
to enzymes</A> that break it down, and then ferment the resulting
sugars to turn them into ethanol.  However, this process has
traditionally been more expensive than the other approach, as the
enzymes cost a lot of money, and typically a significant portion are
lost during the cellulose degradation.</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailytech.com/article.aspx?newsid=16462&utm_source=iNeZha.com&utm_medium=im_robot&utm_campaign=iNezha"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.dailytech.com/img/5AFC410F-8855-4303-B5D5-161A0EF4B738" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailytech.com/article.aspx?newsid=16462&utm_source=iNeZha.com&utm_medium=im_robot&utm_campaign=iNezha"><CENTER>New research from Louisiana Tech University allows cellulose-digesting enzymes like cellulase, pictured here, to be immobilized, reducing enzyme loss and the cost of enzymatic cellulosic ethanol.<SPAN class="SmallerFont">  (Source: Oak Ridge National Laboratory)</SPAN></CENTER></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/AC88D238-267D-49CE-A956-7D7D57C8EC2F/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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