Process for hydrotreating catalytic cracking feedstocks

Details Process for hydrotreating catalytic cracking feedstocks Process for hydrotreating catalytic cracking feedstocks

1986-12-22

1988-10-25

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 57, 208 61, 208144, 208254H, C10G 6904

Patent

active

047801930

ABSTRACT:
Catalytic cracking of hydrocarbon feedstocks is improved by hydrotreating the cracking feed under conditions of relatively low temperature, typically below 390.degree. C. for start-of-cycle, and high pressure, typically above 10,000 kPa, preferably above 12,000 kPa. The use of these conditions favors aromatics saturation to produce a cracking feed of improved crackability so that higher conversion is achieved in the cracking step at constant cracking conditions with production of naphtha of good octane quality. At the same time, desulfurization is achieved to maintain cracker SO.sub.x emissions at required levels; the advantages of high pressure operation are more notable at high denitrogenation severities while still achieving a low catalyst aging rate.

REFERENCES:
patent: 3852187 (1974-12-01), Christman et al.
patent: 3860510 (1975-01-01), Henke et al.
patent: 4025417 (1977-05-01), Pavlica
patent: 4067798 (1978-01-01), Hauschildt et al.
patent: 4267033 (1981-05-01), Heck et al.
patent: 4357263 (1982-11-01), Heck et al.
patent: 4419218 (1983-12-01), Angevine et al.
patent: 4430198 (1984-02-01), Heck et al.
patent: 4442023 (1984-04-01), Heck et al.
patent: 4521297 (1985-06-01), Angevine et al.
patent: 4534852 (1985-08-01), Washecheck et al.
patent: 4540481 (1985-09-01), Sawyer et al.
patent: 4540482 (1985-09-01), Seiver et al.
patent: 4542121 (1985-09-01), Mitchell, III et al.
patent: 4544481 (1985-10-01), Seiver et al.
patent: 4565620 (1986-01-01), Montgomery et al.
patent: 4620920 (1986-11-01), van Der Eijk et al.
"HDT and FCC Route Could Reduce US Dependence on Foreign Crude", D. Milstein et al., The Oil and Gas Journal, Jul. 19, 1976, pp. 138-141.
"Feed Hydrotreating Improves FCCU Performance", D. C. McCulloch, The Oil and Gas Journal, Jul. 21, 1975, pp. 53-58.
"Hydrotreating FCC Feed Could Be Profitable", R. E. Ritter et al., The Oil and Gas Journal, Oct. 14, 1974, pp. 99-101.
"Hydrocracking vs. Cat Cracking for Gas Oils in Today's Refineries", J. R. Murphy et al., The Oil and Gas Journal, Jun. 8, 1970, pp. 108-112.
"Hydrotreat Cat-Cracker Feedstocks for Attractive Economic Benefits", W. F. Arey, Jr. et al., The Oil and Gas Journal, pp. 131-139.

Affiliated with

Also associated with

Rating

Process for hydrotreating catalytic cracking feedstocks does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for hydrotreating catalytic cracking feedstocks, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for hydrotreating catalytic cracking feedstocks will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2267740