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      <title>Nafta by Paulina Jurić</title>
      <link>https://padlet.com/pina_jurich/j0dc99rmyou8</link>
      <description>Važnost nafte</description>
      <language>en-us</language>
      <pubDate>2018-03-03 12:55:45 UTC</pubDate>
      <lastBuildDate>2026-01-07 00:02:18 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Nafta</title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237683264</link>
         <description><![CDATA[<div>Nafta je vrlo složena smjesa raznovrsnih spojeva, najvećim dijelom ugljikovodika alkanskog, cikloalkanskog i aromatskog reda, a njen se sastav mijenja od nalazišta do nalazišta.</div>]]></description>
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         <pubDate>2018-03-03 12:59:23 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237683264</guid>
      </item>
      <item>
         <title>Kako nastaje nafta?</title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237797954</link>
         <description><![CDATA[<div>Biljni i životinjski ostaci <strong>→ </strong>&nbsp; fosilizacija (u Zemljinoj kori bez prisutnosti zraka) <strong>→</strong>&nbsp; nafta&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-03-04 14:29:24 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237797954</guid>
      </item>
      <item>
         <title>Kako dolazimo do nafte?</title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798219</link>
         <description><![CDATA[<div>bušenje →  crpke →  bazeni → rafinerija</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-03-04 14:31:51 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798219</guid>
      </item>
      <item>
         <title>Destilacija</title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798317</link>
         <description><![CDATA[<div>Destilacija je postupak koji služi za odjeljivanje ili prečišćavanje komponenti iz njihovih smjesa. </div>]]></description>
         <enclosure url="" />
         <pubDate>2018-03-04 14:32:46 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798317</guid>
      </item>
      <item>
         <title>Frakcijska destilacija</title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798347</link>
         <description><![CDATA[<div>Postupak kojim se odvajaju tekući, međusobno slični sastojci različitih vrelišta.<br><br></div><div><strong><mark>tri glavne frakcije:</mark></strong> </div><ul><li>benzin (30°C - 200°C), </li><li>petrolej (175°C  - 300°C)</li><li>plinsko ulje (275°C  - 400°C)        </li><li>parafini i asfalt – destiliraju se pri sniženom tlaku</li></ul>]]></description>
         <enclosure url="" />
         <pubDate>2018-03-04 14:33:01 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798347</guid>
      </item>
      <item>
         <title>Krekiranje</title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798542</link>
         <description><![CDATA[<div>pare ugljikovodika veće Mr → katalizator (Al<sub>2</sub>0<sub>3</sub> ili SiO<sub>2</sub>) + 300°C - 500°C → kidaju se veze u dugolančanim molekulama → smjese lakših ugljkovodika (gorivo)<br><br></div><ul><li>važne sirovine u petrokemijskoj industriji</li></ul>]]></description>
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         <pubDate>2018-03-04 14:34:55 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798542</guid>
      </item>
      <item>
         <title>Oktanski broj </title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798858</link>
         <description><![CDATA[<ul><li>mjerilo kakvoće tekućeg goriva</li></ul><div><br></div><div>oktanski broj 100 – izooktan (ne podliježe detonaciji)</div><div>oktanski broj 0 – heptan (podliježe detonaciji)</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-03-04 14:37:28 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798858</guid>
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      <item>
         <title>Anti dentonatori </title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798947</link>
         <description><![CDATA[<div>– tvari koje sprečavaju prijevremenu detonaciju<br>tetraetilolovo – Pb(C<sub>2</sub>H<sub>5</sub>)<sub>4</sub></div>]]></description>
         <enclosure url="" />
         <pubDate>2018-03-04 14:38:14 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237798947</guid>
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      <item>
         <title></title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237799023</link>
         <description><![CDATA[<div>„Besmisleno je oslanjati se samo na naftu. Energija je svuda oko nas, ali trebamo znanje da je naučimo iskorištavati.“&nbsp;</div><div>-&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dr. sc. Davor Pavuna</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-03-04 14:38:55 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237799023</guid>
      </item>
      <item>
         <title>Zaključak</title>
         <author>pina_jurich</author>
         <link>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237799056</link>
         <description><![CDATA[<div>Čovječanstvu bi se uskoro moglo dogoditi da nestane nafte. Trebali bi okrenuti novim, čišćim i ekonomičnijim izvorima enegrije koji bi zamijenili naftu.</div>]]></description>
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         <pubDate>2018-03-04 14:39:08 UTC</pubDate>
         <guid>https://padlet.com/pina_jurich/j0dc99rmyou8/wish/237799056</guid>
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