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	<title>Comments on: TiO2 paint: At war with pollution</title>
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	<link>http://www.triplepundit.com/2007/11/tio2-paint-at-war-with-pollution/</link>
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		<title>By: Heather</title>
		<link>http://www.triplepundit.com/2007/11/tio2-paint-at-war-with-pollution/comment-page-1/#comment-12095</link>
		<dc:creator>Heather</dc:creator>
		<pubDate>Fri, 25 Apr 2008 15:09:25 +0000</pubDate>
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		<description>It looks like the nitric acid is being discharged into local water with assumption that it&#039;s not doing any harm.  If the calcium carbonate is gone that&#039;s what will happen.  From what I understand, nitric acid is explosive when it come into contact with arsenic.  Arsenic is naturally occuring is some groundwater, but it&#039;s also produced from the Nitrofication Denitrification process sewage treatment plants are installing in response to water quality regs, so it&#039;s in ambient water.  What happens if the maintenance is ingored, calcium isn&#039;t there and nitric acid and arsenic come into contact in ambient water? How much do we need for there to be an explosive reaction? What about the explosive ammonium nitrate salt formation?  It doesn&#039;t just go away.
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		<content:encoded><![CDATA[<p>It looks like the nitric acid is being discharged into local water with assumption that it&#8217;s not doing any harm.  If the calcium carbonate is gone that&#8217;s what will happen.  From what I understand, nitric acid is explosive when it come into contact with arsenic.  Arsenic is naturally occuring is some groundwater, but it&#8217;s also produced from the Nitrofication Denitrification process sewage treatment plants are installing in response to water quality regs, so it&#8217;s in ambient water.  What happens if the maintenance is ingored, calcium isn&#8217;t there and nitric acid and arsenic come into contact in ambient water? How much do we need for there to be an explosive reaction? What about the explosive ammonium nitrate salt formation?  It doesn&#8217;t just go away.</p>
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		<title>By: Alex</title>
		<link>http://www.triplepundit.com/2007/11/tio2-paint-at-war-with-pollution/comment-page-1/#comment-12094</link>
		<dc:creator>Alex</dc:creator>
		<pubDate>Sat, 15 Mar 2008 06:07:50 +0000</pubDate>
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		<description>but nanoscale TiO2 maybe pollute the air, water or solid again. How and what to deal with?
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		<content:encoded><![CDATA[<p>but nanoscale TiO2 maybe pollute the air, water or solid again. How and what to deal with?</p>
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