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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>T.A. Brady</dc:contributor>
  <dc:contributor>M.J. Rood</dc:contributor>
  <dc:contributor>C.M. Lehmann</dc:contributor>
  <dc:contributor>M. Rostam-Abadi</dc:contributor>
  <dc:contributor>A.A. Lizzio</dc:contributor>
  <dc:creator>Jielun Sun</dc:creator>
  <dc:date>1997</dc:date>
  <dc:description>&lt;div id="abstractBox" class="article_abstract-content hlFld-Abstract"&gt;&lt;p class="articleBody_abstractText"&gt;Activated carbons for natural gas storage were produced from Illinois bituminous coals (IBC-102 and IBC-106) and scrap tires by physical activation with steam or CO&lt;sub&gt;2&lt;/sub&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;and by chemical activation with KOH, H&lt;sub&gt;3&lt;/sub&gt;PO&lt;sub&gt;4&lt;/sub&gt;, or ZnCl&lt;sub&gt;2&lt;/sub&gt;. The products were characterized for N&lt;sub&gt;2&lt;/sub&gt;-BET area, micropore volume, bulk density, pore size distribution, and volumetric methane storage capacity (&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt;/&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;s&lt;/sub&gt;).&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt;/&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;s&lt;/sub&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;values for Illinois coal-derived carbons ranged from 54 to 83 cm&lt;sup&gt;3&lt;/sup&gt;/cm&lt;sup&gt;3&lt;/sup&gt;, which are 35−55% of a target value of 150 cm&lt;sup&gt;3&lt;/sup&gt;/cm&lt;sup&gt;3&lt;/sup&gt;. Both granular and pelletized carbons made with preoxidized Illinois coal gave higher micropore volumes and larger&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt;/&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;s&lt;/sub&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;values than those made without preoxidation. This confirmed that preoxidation is a desirable step in the production of carbons from caking materials. Pelletization of preoxidized IBC-106 coal, followed by steam activation, resulted in the highest&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt;/&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;s&lt;/sub&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;value. With roughly the same micropore volume, pelletization alone increased&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt;/&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;s&lt;/sub&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;of coal carbon by 10%. Tire-derived carbons had&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt;/&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;s&lt;/sub&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;values ranging from 44 to 53 cm&lt;sup&gt;3&lt;/sup&gt;/cm&lt;sup&gt;3&lt;/sup&gt;, lower than those of coal carbons due to their lower bulk densities. Pelletization of the tire carbons increased bulk density up to 160%. However, this increase was offset by a decrease in micropore volume of the pelletized materials, presumably due to the pellet binder. As a result,&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt;/&lt;i&gt;V&lt;/i&gt;&lt;sub&gt;s&lt;/sub&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;values were about the same for granular and pelletized tire carbons. Compared with coal carbons, tire carbons had a higher percentage of mesopores and macropores.&lt;/p&gt;&lt;/div&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1021/ef960201h</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>American Chemical Society</dc:publisher>
  <dc:title>Adsorbed natural gas storage with activated carbons made from Illinois coals and scrap tires</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>