Reference

Hydrocracking of heavy oils with highly dispersed vanadium catalysts

Hydrocracking of heavy oils with highly dispersed vanadium catalysts. Sasaki, Yoshiyuki; Ojima, Yoshimoto; Kondo, Teruo; Ukegawa, Koji; Matsumura, Akimitsu; Nakamura, Etsuro (Natl. Res. Inst. Pollut. Resour., Yatabe 305, Japan). Sekiyu Gakkaishi, 26(6), 472-7 (Japanese) 1983. CODEN: SKGSAE. ISSN: 0582-4664. DOCUMENT TYPE: Journal CA Section: 51 (Fossil Fuels, Derivatives, and Related Products) Aq. vanadyl oxalate [15500-04-6] is an active catalyst precursor for hydrocracking of high-metals-content heavy oils to distillable fractions. The reaction was carried out at 440°, H pressure 100 kg/cm2, oil feed rate 1 L/h, and stirring rate 950 rpm. The oxalate, prepd. in-situ from V2O5 and (CO2H)2 (1:4 mol. ratio) in water, was as effective in the hydrocracking of Gold Lake bitumen and Gach Saran vacuum residue as vanadyl acetylacetonate or V 2,4-pentanedionate, but not in that Morichall crude or Boscan crude.

Vanadium-containing tablets

Vanadium-containing tablets. Van Beem, Martinus J.Some chemicals with cas registry numbers like 15500-04-6 and 12207-63-5 are also used. L. (Shell Internationale Research Maatschappij B. V., Neth.). Ger. Offen. DE 2536875 4 Mar 1976, 12 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C01G; B01J. PRIORITY: NL 74-11144 21 Aug 1974. DOCUMENT TYPE: Patent CA Section: 55 (Ferrous Metals and Alloys) Section cross-reference(s): 49, 67 The V-contg. pellets are prepd. by mixing an insol. O-contg. V compd. with an aq. soln. contg. a sol. V compd., granulating, and pelletizing the granulate contg. <5% H2O at .gtoreq.25 MN/m2. The amt. of the sol. V compd. is 1-5% based on the insol. V compd. Optionally, 0.5-3% lubricant is added before pelletizing. The cylindrical or spherical pellets of V carbide, oxycarbide, nitride, or carbonitride are esp. suitable for alloying of steels. Thus, 200 g (NH4)2V6O16 [12207-63-5] was mixed 1.5 h with 50 mL aq. soln. contg. 7.5 g vanadyl oxalate [15500-04-6]. The mixt. was dried at 120.degree., sieved to remove the <0.6 mm diam. fraction, mixed with 2% stearic acid [57-11-4], and compacted at 75 MN/m2. The resulting cylindrical pellets, 5 .times. 5 mm, broke under a compressive load of 8 kg, compared to 1.5 kg for the pellets without vanadyl oxalate. After carburization in a CH4-H atm., the corresponding loads were 17.4 and 4.5 kg. .