BTX from naphtha without extraction
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United States of America Patent
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Dec 14, 1999
Issued Date -
N/A
app pub date -
Aug 10, 1998
filing date -
Feb 14, 1994
priority date (Note) -
Expired
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Abstract
A hydrocarbon feedstock is catalytically reformed in a sequence comprising a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic L-zeolite and an aromatics-isomerization zone containing a catalyst comprising a medium-pore molecular sieve, a platinum-group metal and a refractory inorganic oxide. Optionally, the zeolitic-reforming zone is preceded by a continuous-reforming zone associated with continuous catalyst regeneration, The process combination features high selectivity in producing a high-purity BTX product from naphtha.
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