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	<title>Biochar/Iron Co-Production System - Revision history</title>
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	<updated>2026-04-27T23:51:18Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://wiki.opensourceecology.org/index.php?title=Biochar/Iron_Co-Production_System&amp;diff=136349&amp;oldid=prev</id>
		<title>Rasmus: Created page with &quot;Small rotary kiln, Brazos County TX, 1966 (image from: Cushing Memorial Library and Archives, Texas A&amp;M via CC license)  Idea...&quot;</title>
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		<updated>2016-02-26T15:41:02Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/wiki/File:Small_rotary_kiln.jpg&quot; title=&quot;File:Small rotary kiln.jpg&quot;&gt;400px|thumb|right|Small rotary kiln, Brazos County TX, 1966 (image from: Cushing Memorial Library and Archives, Texas A&amp;amp;M via CC license)&lt;/a&gt;  Idea...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[File:Small rotary kiln.jpg|400px|thumb|right|Small rotary kiln, Brazos County TX, 1966 (image from: Cushing Memorial Library and Archives, Texas A&amp;amp;M via CC license)]]&lt;br /&gt;
&lt;br /&gt;
Idea to couple the production of [[biochar]] with [http://opensourceecology.org/wiki/Direct_Reduced_Iron the reduction of iron ore] to metallic iron. The pyrolysis gas generated during char production is not flared off but used in a rotary kiln for iron reduction. The process is carbon-negative. Heat is another co-product that could be used for space heating, greenhouses, etc.&lt;br /&gt;
&lt;br /&gt;
Similar concept to this one: [[Biochar-Lime Co-production System]].&lt;/div&gt;</summary>
		<author><name>Rasmus</name></author>
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