Christine Joan Schmidt

US Patent:

20170209852, Jul 27, 2017

Filed:

Apr 10, 2017

Appl. No.:

15/483500

Inventors:

- Westminister CO, US
Christine Schmidt - Denver CO, US
Mark Still - Johnstown CO, US
Khalid Azzam - Houston TX, US
Karl C. Kharas - South Bound Brook NJ, US
Sara Hunegnaw - Denver CO, US
Olga Ionkina - Boulder CO, US
Ray J. Huang - Plain City OH, US
Harold A. Wright - Longmont CO, US

International Classification:

B01J 23/78
B01J 23/889
B01J 35/00
C10G 2/00
B01J 35/10
B01J 37/03
B01J 37/06
B01J 23/745
B01J 35/02

Abstract:

A method for controllably producing a hematite-containing Fischer-Tropsch catalyst by combining an iron nitrate solution with a precipitating agent solution at a precipitating temperature and over a precipitation time to form a precipitate comprising iron phases; holding the precipitate from at a hold temperature for a hold time to provide a hematite containing precipitate; and washing the hematite containing precipitate via contact with a wash solution and filtering, to provide a washed hematite containing catalyst. The method may further comprise promoting the washed hematite containing catalyst with a chemical promoter; spray drying the promoted hematite containing catalyst; and calcining the spray dried hematite containing catalyst to provide a calcined hematite-containing Fischer-Tropsch catalyst.

US Patent:

20160001267, Jan 7, 2016

Filed:

Feb 11, 2014

Appl. No.:

14/767240

Inventors:

- Westminister CO, US
Christine Schmidt - Denver CO, US
Mark Still - Frederick CO, US
Khalid Azzam - Houston TX, US
Karl C. Kharas - South Bound Brook NJ, US
Sara Hunegnaw - Denver CO, US
Olga Ionkina - Boulder CO, US
Ray J. Huang - Plain City OH, US
Harold A. Wright - Longmont CO, US

International Classification:

B01J 23/78
B01J 23/86
B01J 35/02
B01J 35/10
B01J 37/02
B01J 37/03
B01J 37/04
B01J 37/06
B01J 37/08
B01J 23/745
C10G 2/00

Abstract:

A method for controllably producing a hematite-containing Fischer-Tropsch catalyst by combining an iron nitrate solution with a precipitating agent solution at a precipitating temperature and over a precipitation time to form a precipitate comprising iron phases; holding the precipitate from at a hold temperature for a hold time to provide a hematite containing precipitate; and washing the hematite containing precipitate via contact with a wash solution and filtering, to provide a washed hematite containing catalyst. The method may further comprise promoting the washed hematite containing catalyst with a chemical promoter; spray drying the promoted hematite containing catalyst; and calcining the spray dried hematite containing catalyst to provide a calcined hematite-containing Fischer-Tropsch catalyst.