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Latest external collaboration on country level. Dive into details by clicking on the dots.

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Dive into the research topics where David A. Pappal is active.

Publication


Featured researches published by David A. Pappal.


Zeolites | 1992

Gasoline upgrading process

David Lee Fletcher; Thimothy Lee Hilbert; David A. Pappal; David Wayne Rumsey; Gerald Joseph Teitman


Archive | 1987

Abatement of NOx in exhaust gases

Sowmithri Krishnamurthy; John Paul Mcwilliams; David A. Pappal; Catherine Teague Sigal; Thomas Richard Kiliany


Archive | 1998

Integrated hydroprocessing scheme with segregated recycle

Arthur R. Gentry; Kenneth W. Goebel; Timothy Lee Hilbert; Michael G. Hunter; David A. Pappal; Randall D. Partridge


Archive | 1994

Reduction of sulfur content in a gaseous stream

Thomas Richard Kiliany; John Paul Mcwilliams; David A. Pappal


Archive | 2000

Process for removing sulfur from a hydrocarbon feed

Philip J. Angevine; Anna B. Gorshteyn; Larry A. Green; Yuk Mui Louie; David A. Pappal; Peter Joseph Owens; Richard J. Quann; Jolie A. Rhinehart


Archive | 2003

Process for catalytic dewaxing and catalytic cracking of hydrocarbon streams

Michael T. Grove; Randall D. Partridge; Terry E. Helton; David A. Pappal; Philip J. Angevine; Dominick N. Mazzone


Archive | 1988

Method of FCC spent catalyst stripping for improved efficiency and reduced hydrocarbon flow to regenerator

David A. Pappal; Paul H. Schipper


Archive | 1993

Regeneration of noble metal containing zeolite catalysts via partial removal of carbonaceous deposits

Minas Robert Apelian; Anthony S. Fung; George H. Hatzikos; Clinton R. Kennedy; Chung-Hur Lee; Thomas Richard Kiliany; Poh K. Ng; David A. Pappal


Archive | 1998

Low pressure naphtha hydrocracking process

Kenneth J. Del Rossi; David A. Pappal; Brenda H. Rose


Archive | 1990

Fluid catalytic cracking regeneration

David A. Pappal; Michael S. Sarli

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