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      <title>ENVASOS ALUMINI by David Perello Gatell</title>
      <link>https://padlet.com/daperello/PresentacioAlumini</link>
      <description>Treball entorn científic</description>
      <language>en-us</language>
      <pubDate>2016-04-20 22:45:19 UTC</pubDate>
      <lastBuildDate>2026-01-24 23:43:43 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893368</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 22:46:15 UTC</pubDate>
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         <title>&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;©&amp;nbsp;Copiryght 2016. All rights reserved to ALGUIEN Network</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893427</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 22:47:09 UTC</pubDate>
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      <item>
         <title>El Material, La bauxita</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893452</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 22:47:34 UTC</pubDate>
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      <item>
         <title>Què és?</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893489</link>
         <description><![CDATA[<div>La bauxita es una roca (mineral) composta per un óxid d' alumini</div>]]></description>
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         <pubDate>2016-04-20 22:48:06 UTC</pubDate>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893557</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 22:49:05 UTC</pubDate>
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      </item>
      <item>
         <title>És molt perjudicial pel medi ambient extreure aquest mineral?&amp;nbsp;</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893594</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 22:49:35 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106893594</guid>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893668</link>
         <description><![CDATA[<div>Obiament si, ja que s'han d'utilitzar màquines i molta energia</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 22:50:28 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106893668</guid>
      </item>
      <item>
         <title>Mina de Bauxita</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893735</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 22:51:42 UTC</pubDate>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893761</link>
         <description><![CDATA[<div>S'utilitzen més de 15000 kWh per tonelada per extreure aquest material i convertir en alumini&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 22:52:04 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106893761</guid>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893871</link>
         <description><![CDATA[<div>També hi han emisions de gasos a l'atmosfera per causa de les mines.</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 22:54:07 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106893871</guid>
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      <item>
         <title>El procés de convertir la bauxita en alumini</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893887</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 22:54:24 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106893887</guid>
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      <item>
         <title>El procés de la electrolísi</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106893934</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 22:55:27 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106893934</guid>
      </item>
      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894042</link>
         <description><![CDATA[<div>En aquest procés se separen mitjançant la electricitat les particules de la bauxita</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 22:57:57 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106894042</guid>
      </item>
      <item>
         <title>Procés de la electrolísi amb aigua</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894105</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 22:59:07 UTC</pubDate>
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      <item>
         <title>Procés de la electrolísi amb la bauxita</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894383</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:04:29 UTC</pubDate>
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      </item>
      <item>
         <title>Procés de netejat</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894418</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:05:07 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106894418</guid>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894483</link>
         <description><![CDATA[<div>El mineral obtingut (l'alumini) es neteja després amb sal.<br><br>En aquest procés encara és pols.</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:06:39 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106894483</guid>
      </item>
      <item>
         <title>Procés de metalúrgia</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894526</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:07:30 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106894526</guid>
      </item>
      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894596</link>
         <description><![CDATA[<div>En aquest moment l'alumini és fon. Aquest procés s'anomena metalúrgia</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:08:56 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106894596</guid>
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      <item>
         <title>Procés de moldatge</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894743</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:11:38 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106894743</guid>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894756</link>
         <description><![CDATA[<div>En aquest moment l'alumini líquid es verteix en motlles i es refrigera.</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:11:49 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106894756</guid>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106894788</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:12:17 UTC</pubDate>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895017</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:17:11 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895017</guid>
      </item>
      <item>
         <title>On es troba</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895156</link>
         <description><![CDATA[<div>Les zones on més s'explota es a Brasil, Guinea, India i Jamaica</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:19:04 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895156</guid>
      </item>
      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895218</link>
         <description><![CDATA[<div>És en aquest procés on (en segons quins llocs) es converteix en llauna o paper d'alumini.</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:20:01 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895218</guid>
      </item>
      <item>
         <title>Per què és millor no utilitzar tant aquest material</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895238</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:20:26 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895238</guid>
      </item>
      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895259</link>
         <description><![CDATA[<div>1. Afavorim a que el consum d'energía sigui menys</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:20:52 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895259</guid>
      </item>
      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895313</link>
         <description><![CDATA[<div>2. No s'ha d'explotar tant la bauxita ai per tant reduïm l'explotació en les mines.</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:21:24 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895313</guid>
      </item>
      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895451</link>
         <description><![CDATA[<div>3. Quan es recicla aquest material s'ha de rentar abans amb sal i això genera residus i gast d'energía (encara, però, un 95% menys de gast que si el fessim de nou).</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:23:37 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895451</guid>
      </item>
      <item>
         <title>Usos que se li donen a l&#39;alumini</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895602</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:26:07 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895602</guid>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895632</link>
         <description><![CDATA[<div>Tot i que hi han molts, els principals usos són per llaunes i paper de plata.</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:26:24 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106895632</guid>
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         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895702</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:27:27 UTC</pubDate>
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         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895747</link>
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         <pubDate>2016-04-20 23:28:09 UTC</pubDate>
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         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895814</link>
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         <pubDate>2016-04-20 23:28:56 UTC</pubDate>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895876</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:29:44 UTC</pubDate>
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         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895920</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:30:05 UTC</pubDate>
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         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106895951</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:30:37 UTC</pubDate>
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      </item>
      <item>
         <title>Però, encara que l&#39;utilitzem, quina és la opció més sostenible?</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106896006</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:31:14 UTC</pubDate>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106896071</link>
         <description><![CDATA[<div>Obiament Reciclant-lo, ja que aixi es consumeix menys energía que fabricant-lo de nou (un 95% menys), no es consumeix tant aquest mineral i no s'expulsen tants gasos a la atmosfera</div>]]></description>
         <enclosure url="" />
         <pubDate>2016-04-20 23:32:00 UTC</pubDate>
         <guid>https://padlet.com/daperello/PresentacioAlumini/wish/106896071</guid>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106896205</link>
         <description><![CDATA[<div>Però tot i així gastem energia i sal (ja que es renta l'alumini amb sal abans de fondre'l de nou)</div>]]></description>
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         <pubDate>2016-04-20 23:33:41 UTC</pubDate>
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      <item>
         <title>Resum General</title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106896469</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:37:15 UTC</pubDate>
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      <item>
         <title></title>
         <author>daperello</author>
         <link>https://padlet.com/daperello/PresentacioAlumini/wish/106896498</link>
         <description><![CDATA[]]></description>
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         <pubDate>2016-04-20 23:37:35 UTC</pubDate>
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