Verfahren zur Herstellung von Zeolithen mit vermindertem Oberflächensäuregehalt

A process for the selective surface dealumination of organic-containing zeolites by contacting the zeolite with dicarboxylic acid, such as oxalic acid. The treatment results in a reduction in surface acidity without a significant reduction in overall activity. The organic may be a directing agent us...

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Main Authors FUNG, SHIU LUN ANTHONY, WILMINGTON, DELAWARE 19810, US, DEGNAN, THOMAS FRANCIS, MOORESTOWN, NEW JERSEY 08057, US, APELIAN, MINAS ROBERT, VINCENTOWN, NEW JERSEY 08088, US
Format Patent
LanguageGerman
Published 30.10.1997
Edition6
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Abstract A process for the selective surface dealumination of organic-containing zeolites by contacting the zeolite with dicarboxylic acid, such as oxalic acid. The treatment results in a reduction in surface acidity without a significant reduction in overall activity. The organic may be a directing agent used in the zeolite synthesis or introduced into the pores of the zeolite after thermal treatment.
AbstractList A process for the selective surface dealumination of organic-containing zeolites by contacting the zeolite with dicarboxylic acid, such as oxalic acid. The treatment results in a reduction in surface acidity without a significant reduction in overall activity. The organic may be a directing agent used in the zeolite synthesis or introduced into the pores of the zeolite after thermal treatment.
Author FUNG, SHIU LUN ANTHONY, WILMINGTON, DELAWARE 19810, US
APELIAN, MINAS ROBERT, VINCENTOWN, NEW JERSEY 08088, US
DEGNAN, THOMAS FRANCIS, MOORESTOWN, NEW JERSEY 08057, US
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– fullname: APELIAN, MINAS ROBERT, VINCENTOWN, NEW JERSEY 08088, US
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Snippet A process for the selective surface dealumination of organic-containing zeolites by contacting the zeolite with dicarboxylic acid, such as oxalic acid. The...
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SubjectTerms CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
Title Verfahren zur Herstellung von Zeolithen mit vermindertem Oberflächensäuregehalt
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