kemi og katalysator
DESCRIPTION
Kemi og katalysator. En Kanon Kombination. Katalysators betydning. Katalysator i 90% af alle kemiske processer 10% af I-landenes BNP Mindre miljøbelastning Livsnødvendigt i U-lande. Nikkel kat. Jernholdig kat. kobber kat. Ammoniak syntese. » Haber-Bosch « - PowerPoint PPT PresentationTRANSCRIPT
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Kemi og katalysator
En Kanon Kombination
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Katalysators betydning
Katalysator i 90% af alle kemiske processer
10% af I-landenes BNP
Mindre miljøbelastning
Livsnødvendigt i U-lande
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Ammoniak syntese
»Haber-Bosch«
N2(g) + 3 H2(g) 2 NH3(g) 200 bar og 400 ºC
»Steam-reforming«CH4(g) + H2O(g) CO(g)+ 3 H2(g)
»Water-gas shift«CO(g) + H2O(g) CO2(g) + H2(g)
Jernholdig kat.
Nikkel kat.
kobber kat.
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Homogen katalyse
Svovlsyre
katalysatorOH2
OH
O
CH3 C OH CH3
CH3O
O
CH3 C+ +
ethansyre og methanol danner ethansyremethylester og vand
OH
O
CH3 C
OH CH3
CH3O
O
CH3 C
OH2
O
O
OH
OHS
Reaktanter og katalysator i samme fase
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Heterogen katalyse
Kemisk reaktion på en overflade
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Katalysators virkning
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Teoretisk forskning
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Katalytisk cyklus
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Nanoteknologi siden 1990Nikkel
Guld
Påvirkede Nikkelatomer
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Den atomare grammofon
DETEKT
OR
overfladeoverflade
LASER
DETEKT
OR
LASER
overflade
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Surface tunneling microskope
STM
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Den mindste skrift
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Nanomanipulation