Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts:
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Abschlussarbeit Buch |
Sprache: | English |
Veröffentlicht: |
2004
|
Schlagworte: | |
Online-Zugang: | Inhaltsverzeichnis |
Beschreibung: | 172 Bl. graph. Darst. 30 cm |
Internformat
MARC
LEADER | 00000nam a2200000 c 4500 | ||
---|---|---|---|
001 | BV019768225 | ||
003 | DE-604 | ||
007 | t | ||
008 | 050412s2004 gw d||| m||| 00||| eng d | ||
015 | |a 04,H11,0915 |2 dnb | ||
016 | 7 | |a 972242589 |2 DE-101 | |
035 | |a (OCoLC)633593241 | ||
035 | |a (DE-599)BVBBV019768225 | ||
040 | |a DE-604 |b ger |e rakddb | ||
041 | 0 | |a eng | |
044 | |a gw |c XA-DE | ||
049 | |a DE-355 | ||
084 | |a 540 |2 sdnb | ||
100 | 1 | |a Tyszewski, Tomasz |d 1975- |e Verfasser |0 (DE-588)129390534 |4 aut | |
245 | 1 | 0 | |a Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts |c presented by Tomasz Tyszewski |
264 | 1 | |c 2004 | |
300 | |a 172 Bl. |b graph. Darst. |c 30 cm | ||
336 | |b txt |2 rdacontent | ||
337 | |b n |2 rdamedia | ||
338 | |b nc |2 rdacarrier | ||
502 | |a Leipzig, Univ. und Cracow, Jagiellonische Univ., Diss., 2004 | ||
650 | 0 | 7 | |a Sulfatierung |0 (DE-588)4303307-6 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Zirkoniumdioxid |0 (DE-588)4190948-3 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Katalytische Aktivität |0 (DE-588)4279994-6 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Dotierung |0 (DE-588)4130672-7 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Isomerisierungsreaktion |0 (DE-588)4162529-8 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Hexane |0 (DE-588)4159806-4 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Platin |0 (DE-588)4174856-6 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Katalysator |0 (DE-588)4029919-3 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Palladium |0 (DE-588)4173139-6 |2 gnd |9 rswk-swf |
655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
689 | 0 | 0 | |a Zirkoniumdioxid |0 (DE-588)4190948-3 |D s |
689 | 0 | 1 | |a Sulfatierung |0 (DE-588)4303307-6 |D s |
689 | 0 | 2 | |a Dotierung |0 (DE-588)4130672-7 |D s |
689 | 0 | 3 | |a Platin |0 (DE-588)4174856-6 |D s |
689 | 0 | 4 | |a Katalysator |0 (DE-588)4029919-3 |D s |
689 | 0 | |5 DE-604 | |
689 | 1 | 0 | |a Zirkoniumdioxid |0 (DE-588)4190948-3 |D s |
689 | 1 | 1 | |a Sulfatierung |0 (DE-588)4303307-6 |D s |
689 | 1 | 2 | |a Dotierung |0 (DE-588)4130672-7 |D s |
689 | 1 | 3 | |a Palladium |0 (DE-588)4173139-6 |D s |
689 | 1 | 4 | |a Katalysator |0 (DE-588)4029919-3 |D s |
689 | 1 | |5 DE-604 | |
689 | 2 | 0 | |a Hexane |0 (DE-588)4159806-4 |D s |
689 | 2 | 1 | |a Isomerisierungsreaktion |0 (DE-588)4162529-8 |D s |
689 | 2 | 2 | |a Zirkoniumdioxid |0 (DE-588)4190948-3 |D s |
689 | 2 | 3 | |a Sulfatierung |0 (DE-588)4303307-6 |D s |
689 | 2 | 4 | |a Katalytische Aktivität |0 (DE-588)4279994-6 |D s |
689 | 2 | |5 DE-604 | |
856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013094420&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-013094420 |
Datensatz im Suchindex
_version_ | 1807864726905946112 |
---|---|
adam_text |
CONTENTS
C
ONTENTS
ACRONYMS,
ABBREVIATIONS
AND
SYMBOLS.
1
1.
INTRODUCTION
.
3
2.
STATE
OF
THE
ART
.
5
2.1.
PREPARATION
AND
PHYSICOCHEMICAL
PROPERTIES
OF
SULPHATED
ZIRCONIA
(SZ)
.
6
2.1.1.
ZIRCONIUM
PRECURSOR
.
6
2.1.2.
PREPARATION
METHODS
OF
SULPHATED
ZIRCONIA
.
6
2.1.3.
EFFECT
OF
SULPHATING
AGENT
.
7
2.1.3.
ACIDITY
OF
SULPHATED
ZIRCONIA
.
8
2.1.4.
EFFECT
OF
CALCINATION
TEMPERATURE
AND
CALCINATION
CONDITIONS
.
10
2.1.5.
CRYSTAL
PHASE
OF
ZIRCONIUM
OXIDE
.
11
2.2.
EFFECT
OF
METAL
MODIFICATION
.
12
2.2.1.
MODIFICATION
WITH
PLATINUM
(PT/SZ)
.
12
2.2.1.1.
OXIDATION
STATE
OF
PLATINUM
.
13
2.2.2.
MODIFICATION
WITH
PALLADIUM
(PD/SZ)
.
14
2.3.
SKELETAL
ISOMERIZATION
OF
ALKANES
.
14
2.3.3.
N-ALKANE
(N-HEXANE)
REACTION
PATHWAY
.
15
2.3.2.
EFFECT
OF
HYDROGEN
.
21
2.3.2.1.
SPILL-OVER
OF
HYDROGEN
.
21
2.3.4.
DEACTIVATION
AND
REGENERATION
.
22
3.
EXPERIMENTAL
.
23
3.1.
PREPARATION
OF
THE
CATALYSTS
.
23
3.2.
CHARACTERIZATION
.
24
3.2.1.
ELEMENTAL
ANALYSIS
.
24
3.2.2.
X-RAY
FLUORESCENCE
.
25
3.2.3.
TEXTURAL
ANALYSIS
.
26
3.2.4.
X-RAY
POWDER
DIFFRACTION
.
26
3.2.5.
THERMOGRAVIMETRY
ANALYSIS
.
27
CONTENTS
3.2.6.
TEMPERATURE
PROGRAMMED
DESORPTION
OF
AMMONIA
.
27
3.2.6.
TEMPERATURE
PROGRAMMED
REACTION
.
30
3.3.
CATALYTIC
TESTING
-
ISOMERIZATION
OF
N-HEXANE
.
32
3.3.1.
CATALYTIC
TEST
EQUIPMENT
.
YY.
.
33
3.3.1.
CATALYTIC
EXPERIMENTS
.
35
4.
RESULTS
.
37
4.1.
CHARACTERIZATION
.
37
4.1.1.
ELEMENTAL
ANALYSIS
.
37
4.1.2.
PLATINUM
AND
PALLADIUM
AMOUNT
-
X-RAY
FLUORESCENCE
.
41
4.1.3.
TEXTURAL
ANALYSIS
.
41
4.1.4.
PHASE
COMPOSITION
-
X-RAY
POWDER
DIFFRACTION
.
45
4.1.5.
THERMOGRAVIMETRIC
ANALYSIS
.
55
4.1.6.
ACIDITY
-
TEMPERATURE
PROGRAMMED
DESORPTION
OF
AMMONIA
.
62
4.1.7.
REDUCIBILITY
-
TEMPERATURE
PROGRAMMED
REDUCTION
.
73
4.2.
CATALYTIC
EXPERIMENTS
-
ISOMERIZATION
OF
N-HEXANE
.
85
4.2.1.
SELECTION
OF
THE
REACTION
PARAMETERS
.
85
4.2.2.
INFLUENCE
OF
METAL
CONTENT
.
95
4.2.3.
REGENERATION
OF
THE
DEACTIVATED
CATALYSTS
.
106
5.
DISCUSSION
.
113
5.1.
PHYSICOCHEMICAL
PROPERTIES
OF
THE
FRESH
SULPHATED
ZIRCONIA
CATALYSTS
.
113
5.1.1.
STRUCTURE
AND
MORPHOLOGY
.
113
5.1.2.
REDUCIBILITY
.
119
5.1.3.
STATE
OF
PT
AND
PD
IN
SULPHATED
ZIRCONIA
CATALYSTS
.
122
5.1.4.
ACIDITY
.
124
5.2.
CATALYTIC
ACTIVITY
OF
SZ
LOADED
WITH
PT
OR
PD
FOR
N-HEXANE
ISOMERIZATION
.
130
5.2.1.
REGENERATION
OF
THE
DEACTIVATED
CATALYSTS
.
132
6.
CONCLUSIONS
.
134
7.
LITERATURE
.
137
8.
SUPPLEMENTS
.
144 |
any_adam_object | 1 |
author | Tyszewski, Tomasz 1975- |
author_GND | (DE-588)129390534 |
author_facet | Tyszewski, Tomasz 1975- |
author_role | aut |
author_sort | Tyszewski, Tomasz 1975- |
author_variant | t t tt |
building | Verbundindex |
bvnumber | BV019768225 |
ctrlnum | (OCoLC)633593241 (DE-599)BVBBV019768225 |
discipline | Chemie / Pharmazie |
format | Thesis Book |
fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>00000nam a2200000 c 4500</leader><controlfield tag="001">BV019768225</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">050412s2004 gw d||| m||| 00||| eng d</controlfield><datafield tag="015" ind1=" " ind2=" "><subfield code="a">04,H11,0915</subfield><subfield code="2">dnb</subfield></datafield><datafield tag="016" ind1="7" ind2=" "><subfield code="a">972242589</subfield><subfield code="2">DE-101</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)633593241</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV019768225</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">rakddb</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="a">gw</subfield><subfield code="c">XA-DE</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-355</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">540</subfield><subfield code="2">sdnb</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Tyszewski, Tomasz</subfield><subfield code="d">1975-</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)129390534</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts</subfield><subfield code="c">presented by Tomasz Tyszewski</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2004</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">172 Bl.</subfield><subfield code="b">graph. Darst.</subfield><subfield code="c">30 cm</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="502" ind1=" " ind2=" "><subfield code="a">Leipzig, Univ. und Cracow, Jagiellonische Univ., Diss., 2004</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Sulfatierung</subfield><subfield code="0">(DE-588)4303307-6</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Zirkoniumdioxid</subfield><subfield code="0">(DE-588)4190948-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Katalytische Aktivität</subfield><subfield code="0">(DE-588)4279994-6</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Dotierung</subfield><subfield code="0">(DE-588)4130672-7</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Isomerisierungsreaktion</subfield><subfield code="0">(DE-588)4162529-8</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Hexane</subfield><subfield code="0">(DE-588)4159806-4</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Platin</subfield><subfield code="0">(DE-588)4174856-6</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Katalysator</subfield><subfield code="0">(DE-588)4029919-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Palladium</subfield><subfield code="0">(DE-588)4173139-6</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="655" ind1=" " ind2="7"><subfield code="0">(DE-588)4113937-9</subfield><subfield code="a">Hochschulschrift</subfield><subfield code="2">gnd-content</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Zirkoniumdioxid</subfield><subfield code="0">(DE-588)4190948-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="1"><subfield code="a">Sulfatierung</subfield><subfield code="0">(DE-588)4303307-6</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="2"><subfield code="a">Dotierung</subfield><subfield code="0">(DE-588)4130672-7</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="3"><subfield code="a">Platin</subfield><subfield code="0">(DE-588)4174856-6</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="4"><subfield code="a">Katalysator</subfield><subfield code="0">(DE-588)4029919-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="689" ind1="1" ind2="0"><subfield code="a">Zirkoniumdioxid</subfield><subfield code="0">(DE-588)4190948-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2="1"><subfield code="a">Sulfatierung</subfield><subfield code="0">(DE-588)4303307-6</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2="2"><subfield code="a">Dotierung</subfield><subfield code="0">(DE-588)4130672-7</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2="3"><subfield code="a">Palladium</subfield><subfield code="0">(DE-588)4173139-6</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2="4"><subfield code="a">Katalysator</subfield><subfield code="0">(DE-588)4029919-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="689" ind1="2" ind2="0"><subfield code="a">Hexane</subfield><subfield code="0">(DE-588)4159806-4</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="2" ind2="1"><subfield code="a">Isomerisierungsreaktion</subfield><subfield code="0">(DE-588)4162529-8</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="2" ind2="2"><subfield code="a">Zirkoniumdioxid</subfield><subfield code="0">(DE-588)4190948-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="2" ind2="3"><subfield code="a">Sulfatierung</subfield><subfield code="0">(DE-588)4303307-6</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="2" ind2="4"><subfield code="a">Katalytische Aktivität</subfield><subfield code="0">(DE-588)4279994-6</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="2" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">DNB Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013094420&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="943" ind1="1" ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-013094420</subfield></datafield></record></collection> |
genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
genre_facet | Hochschulschrift |
id | DE-604.BV019768225 |
illustrated | Illustrated |
indexdate | 2024-08-20T00:35:56Z |
institution | BVB |
language | English |
oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-013094420 |
oclc_num | 633593241 |
open_access_boolean | |
owner | DE-355 DE-BY-UBR |
owner_facet | DE-355 DE-BY-UBR |
physical | 172 Bl. graph. Darst. 30 cm |
publishDate | 2004 |
publishDateSearch | 2004 |
publishDateSort | 2004 |
record_format | marc |
spelling | Tyszewski, Tomasz 1975- Verfasser (DE-588)129390534 aut Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts presented by Tomasz Tyszewski 2004 172 Bl. graph. Darst. 30 cm txt rdacontent n rdamedia nc rdacarrier Leipzig, Univ. und Cracow, Jagiellonische Univ., Diss., 2004 Sulfatierung (DE-588)4303307-6 gnd rswk-swf Zirkoniumdioxid (DE-588)4190948-3 gnd rswk-swf Katalytische Aktivität (DE-588)4279994-6 gnd rswk-swf Dotierung (DE-588)4130672-7 gnd rswk-swf Isomerisierungsreaktion (DE-588)4162529-8 gnd rswk-swf Hexane (DE-588)4159806-4 gnd rswk-swf Platin (DE-588)4174856-6 gnd rswk-swf Katalysator (DE-588)4029919-3 gnd rswk-swf Palladium (DE-588)4173139-6 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Zirkoniumdioxid (DE-588)4190948-3 s Sulfatierung (DE-588)4303307-6 s Dotierung (DE-588)4130672-7 s Platin (DE-588)4174856-6 s Katalysator (DE-588)4029919-3 s DE-604 Palladium (DE-588)4173139-6 s Hexane (DE-588)4159806-4 s Isomerisierungsreaktion (DE-588)4162529-8 s Katalytische Aktivität (DE-588)4279994-6 s DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013094420&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
spellingShingle | Tyszewski, Tomasz 1975- Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts Sulfatierung (DE-588)4303307-6 gnd Zirkoniumdioxid (DE-588)4190948-3 gnd Katalytische Aktivität (DE-588)4279994-6 gnd Dotierung (DE-588)4130672-7 gnd Isomerisierungsreaktion (DE-588)4162529-8 gnd Hexane (DE-588)4159806-4 gnd Platin (DE-588)4174856-6 gnd Katalysator (DE-588)4029919-3 gnd Palladium (DE-588)4173139-6 gnd |
subject_GND | (DE-588)4303307-6 (DE-588)4190948-3 (DE-588)4279994-6 (DE-588)4130672-7 (DE-588)4162529-8 (DE-588)4159806-4 (DE-588)4174856-6 (DE-588)4029919-3 (DE-588)4173139-6 (DE-588)4113937-9 |
title | Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts |
title_auth | Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts |
title_exact_search | Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts |
title_full | Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts presented by Tomasz Tyszewski |
title_fullStr | Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts presented by Tomasz Tyszewski |
title_full_unstemmed | Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts presented by Tomasz Tyszewski |
title_short | Skeletal isomerization of n-hexane on platinum and palladium loaded sulphated zirconia catalysts |
title_sort | skeletal isomerization of n hexane on platinum and palladium loaded sulphated zirconia catalysts |
topic | Sulfatierung (DE-588)4303307-6 gnd Zirkoniumdioxid (DE-588)4190948-3 gnd Katalytische Aktivität (DE-588)4279994-6 gnd Dotierung (DE-588)4130672-7 gnd Isomerisierungsreaktion (DE-588)4162529-8 gnd Hexane (DE-588)4159806-4 gnd Platin (DE-588)4174856-6 gnd Katalysator (DE-588)4029919-3 gnd Palladium (DE-588)4173139-6 gnd |
topic_facet | Sulfatierung Zirkoniumdioxid Katalytische Aktivität Dotierung Isomerisierungsreaktion Hexane Platin Katalysator Palladium Hochschulschrift |
url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013094420&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
work_keys_str_mv | AT tyszewskitomasz skeletalisomerizationofnhexaneonplatinumandpalladiumloadedsulphatedzirconiacatalysts |