Clean gasoline via VRDS/RFCC
- Chevron Research and Technology Co., Richmond, CA (US)
- Stone and Webster Engineering Corp., Houston, TX (US)
The need to convert the bottom of the barrel into clean transportation fuels continues to gain importance as crudes become heavier and demand shifts away from heavy, high-sulfur fuel oil products. Increasingly, the emphasis is on processes that can completely convert the residue to lighter products. This paper reports that thermal processes, such as coking-based technologies, suffer from the disadvantages of producing a large amount of low value byproduct (coke or low Btu gas) and require extensive further processing of product liquids. The combination of residuum hydrotreating or hydrodesulfurization (RDS) and residuum fluid catalytic cracking (RFCC) has gained wide acceptance due to the direct production of gasoline with only small amounts of low value byproducts. Moreover, the increasingly severe government regulations on diesel fuel quality together with a growth in demands suggests a combination of vacuum gas oil hydrocracking (VGO HDC), vacuum residuum hydrotreating (VRDS) and RFCC. A joint study by Chevron Research and Technology Co. and Stone and Webster Engineering Corp. (S and W) has shown that vacuum residuum (VR) can be economically upgraded using Chevron's VRDS process into feedstock for the S and W FCC process, even if all of the VGO is processed separately by hydrocracking.
- OSTI ID:
- 5344626
- Journal Information:
- Hydrocarbon Processing; (United States), Journal Name: Hydrocarbon Processing; (United States) Vol. 71:4; ISSN HYPRA; ISSN 0018-8190
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
020500 -- Petroleum-- Products & By-Products
29 ENERGY PLANNING, POLICY, AND ECONOMY
294002* -- Energy Planning & Policy-- Petroleum
33 ADVANCED PROPULSION SYSTEMS
330700 -- Advanced Propulsion Systems-- Emission Control
54 ENVIRONMENTAL SCIENCES
540120 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
AUTOMOTIVE FUELS
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
DESULFURIZATION
DISTILLATION
ENERGY SOURCES
ENVIRONMENTAL POLICY
FOSSIL FUELS
FUELS
GAS OILS
GASOLINE
GOVERNMENT POLICIES
HYDROCRACKING
INDUSTRIAL PLANTS
LAWS
LIQUID FUELS
PETROLEUM
PETROLEUM FRACTIONS
PETROLEUM PRODUCTS
PETROLEUM REFINERIES
PETROLEUM RESIDUES
POLLUTION LAWS
POLLUTION REGULATIONS
PYROLYSIS
REGULATIONS
SEPARATION PROCESSES
SULFUR CONTENT
THERMOCHEMICAL PROCESSES
US CLEAN AIR ACT
VACUUM DISTILLATION
VISCOSITY