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Title:
Redke zemlje in njihov vpliv na napredne tehnologije, mednarodno trgovino in logistiko
Authors:
ID
Kac, Edita
(Author)
ID
Rosi, Bojan
(Mentor)
More about this mentor...
Files:
MAG_Kac_Edita_2014.pdf
(1,74 MB)
MD5: FFBCC220A6D5CCA9E51BFE3067478F07
Language:
Slovenian
Work type:
Master's thesis/paper
Organization:
FL - Faculty of Logistic
Abstract:
Redke zemlje sodijo v skupino kemijskih elementov, ki zaradi svojih specifičnih lastnosti in ob upoštevanju vseh ekoloških standardov, izredno zahtevnega in dragega pridobivanja, predstavljajo temelj vsem naprednim tehnologijam. Brez njih si ne bi mogli predstavljati današnjega življenja. Nahajajo se v računalniških diskih, prenosnih telefonih, LCD-zaslonih, avtomobilskih baterijah, elektromotorjih … Viri redkih zemelj so omejeni. Njihovo izkoriščanje je zaradi velike razpršenosti redkokje ekonomsko smiselno. Največji dobavitelj redkih zemelj je Kitajska, ki pa je obenem postala tudi njihov največji porabnik. S povečanim povpraševanjem so se pričele težave z dobavami. V letu 2011 je povpraševanje tako naraslo, da je preseglo ponudbo. Kitajska je zelo omejila izvoz in si s tem prislužila tožbo Svetovne trgovinske organizacije. Ostalim državam porabnicam redkih zemelj ni preostalo drugega kot nemudoma najti nove vire ali pa proizvodnjo preseliti na Kitajsko. Obstaja kar nekaj možnosti izkoriščanja novih virov, ki pa niso dosegljivi takoj. Potrebnih je kar nekaj let raziskav, da bodo novi viri primerni za izkoriščanje. Trenutno najbolj priročen vir in rešitev je recikliranje. Znanstveniki, tudi slovenski, na čelu z dr. Spomenko Kobe, pospešeno iščejo alternative redkim zemljam. Zaradi njihove velike pomembnosti v vrednostni verigi jih je evropska komisija uvrstila na seznam kritičnih surovin.
Keywords:
redke zemlje
,
napredne tehnologije
,
obnovljivi viri energije
,
recikliranje.
Place of publishing:
Celje
Publisher:
[E. Kac]
Year of publishing:
2014
PID:
20.500.12556/DKUM-44713
UDC:
339.5
COBISS.SI-ID:
512582205
NUK URN:
URN:SI:UM:DK:HIJZHJP5
Publication date in DKUM:
20.08.2014
Views:
2695
Downloads:
418
Metadata:
Categories:
FL
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:
KAC, Edita, 2014,
Redke zemlje in njihov vpliv na napredne tehnologije, mednarodno trgovino in logistiko
[online]. Master’s thesis. Celje : E. Kac. [Accessed 17 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=44713
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Secondary language
Language:
English
Title:
Rare earths and their impact on advanced technologies, international trade and logistics
Abstract:
Rare earths belong to the group of chemical elements. Due to their specific characteristics and extremely demanding and costly acquisition they have become the basis for all advanced technologies. Today one could not imagine life without them. They are in computer discs, cell phones, LCD-screens, car batteries, electric motors… Sources of rare earths are limited and the exploitation is due to their wide dispersion rarely economically reasonable. The largest producer of rare earths is China who at the same time became the largest consumer of them. The increasing demand for the raw material caused problems with supplies. In year 2011 the demand was so high that it actually exceeded the supply. China limited the export to such an extent that the International Trade Organization brought an action against it. Other countries consumers of rare earths had no choice but find new sources immediately or move their productions to China. There are other options of exploiting new sources, they however, are not immediately available. It takes several years of research before new sources become suitable for exploitation, so the most convenient source and solution at the moment is recycling. Scientists, also Slovenian led by Spomenka Kobe, PhD, are increasingly seeking alternatives to rare earths. Due to their great importance in the value chain, rare earths were put on the list of critical raw materials by the European Commission.
Keywords:
rare earths
,
advanced tehnologies
,
renewable energy
,
recycling
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