Effect of the pore size distribution on the activities of alumina supported Co-Mo catalysts in the hydrotreatment of boscan crude
Abstract
The effects of pore size and distribution on the activity of Co-Mo/Al/sub 2/O/sub 3/ catalysts in the hydrotreatment of asphaltenes have been studied using testing methodology designed to provide initial activities for the catalysis of the critical reactions in the process, hydrodesulfurization (HDS), hydrodemineralization (HDM) (V,NI) and asphaltene conversion to resins and oils (HDA) suitable for subsequent use as refining feedstocks. Nine monomodal (micropores) and seven bimodal (micro- and macropores) were tested. Maximum HDS occurs with mono- and bimodal catalysts having an average pore diameter of 100 A/sup 0/. Maximum HDA and HDM activity appears at a pore diameter between 150 and 200 A/sup 0/ and increases with increasing macroporosity, macropores allowing more efficient access of the large asphaltene molecular units to active sites. Overall catalytic efficiency is dependent upon but HDS and asphaltene hydrogenation rates. Variation of pore structures allowed reaction selectivities to be varied and provided control a asphaltene product (resins, oils) composition.
- Authors:
- Publication Date:
- Research Org.:
- Institut Francais du Petrole, Rueil-Malmaison, France
- OSTI Identifier:
- 6381527
- Report Number(s):
- CONF-830303-
Journal ID: CODEN: ACPCA
- Resource Type:
- Conference
- Journal Name:
- Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States)
- Additional Journal Information:
- Journal Volume: 28:3; Conference: 185. American Chemical Society national meeting, Seattle, WA, USA, 20 Mar 1983
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 02 PETROLEUM; 04 OIL SHALES AND TAR SANDS; ASPHALTENES; DEMETALLIZATION; DEPOLYMERIZATION; DESULFURIZATION; BITUMENS; COBALT OXIDES; ACTIVATION ENERGY; CATALYTIC EFFECTS; DEACTIVATION; MICROSTRUCTURE; POROSITY; MOLYBDENUM OXIDES; PETROLEUM; ALUMINIUM OXIDES; CATALYST SUPPORTS; COMPARATIVE EVALUATIONS; HYDROGENATION; OPTIMIZATION; SIZE; ALUMINIUM COMPOUNDS; ASPHALTS; CHALCOGENIDES; CHEMICAL REACTIONS; COBALT COMPOUNDS; CRYSTAL STRUCTURE; DECOMPOSITION; ENERGY; ENERGY SOURCES; FOSSIL FUELS; FUELS; MOLYBDENUM COMPOUNDS; ORGANIC COMPOUNDS; OTHER ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; SEPARATION PROCESSES; TAR; TRANSITION ELEMENT COMPOUNDS; 020400* - Petroleum- Processing; 040403 - Oil Shales & Tar Sands- Refining
Citation Formats
Plumail, J C, Jacquin, Y, Martino, G, and Toulhoat, H. Effect of the pore size distribution on the activities of alumina supported Co-Mo catalysts in the hydrotreatment of boscan crude. United States: N. p., 1983.
Web.
Plumail, J C, Jacquin, Y, Martino, G, & Toulhoat, H. Effect of the pore size distribution on the activities of alumina supported Co-Mo catalysts in the hydrotreatment of boscan crude. United States.
Plumail, J C, Jacquin, Y, Martino, G, and Toulhoat, H. 1983.
"Effect of the pore size distribution on the activities of alumina supported Co-Mo catalysts in the hydrotreatment of boscan crude". United States.
@article{osti_6381527,
title = {Effect of the pore size distribution on the activities of alumina supported Co-Mo catalysts in the hydrotreatment of boscan crude},
author = {Plumail, J C and Jacquin, Y and Martino, G and Toulhoat, H},
abstractNote = {The effects of pore size and distribution on the activity of Co-Mo/Al/sub 2/O/sub 3/ catalysts in the hydrotreatment of asphaltenes have been studied using testing methodology designed to provide initial activities for the catalysis of the critical reactions in the process, hydrodesulfurization (HDS), hydrodemineralization (HDM) (V,NI) and asphaltene conversion to resins and oils (HDA) suitable for subsequent use as refining feedstocks. Nine monomodal (micropores) and seven bimodal (micro- and macropores) were tested. Maximum HDS occurs with mono- and bimodal catalysts having an average pore diameter of 100 A/sup 0/. Maximum HDA and HDM activity appears at a pore diameter between 150 and 200 A/sup 0/ and increases with increasing macroporosity, macropores allowing more efficient access of the large asphaltene molecular units to active sites. Overall catalytic efficiency is dependent upon but HDS and asphaltene hydrogenation rates. Variation of pore structures allowed reaction selectivities to be varied and provided control a asphaltene product (resins, oils) composition.},
doi = {},
url = {https://www.osti.gov/biblio/6381527},
journal = {Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States)},
number = ,
volume = 28:3,
place = {United States},
year = {Tue Mar 01 00:00:00 EST 1983},
month = {Tue Mar 01 00:00:00 EST 1983}
}