公开(公告)号：DE1442567A1

公开(公告)日：1968-11-21

申请号：DE1442567

申请日：1964-05-13

Applicant: BASF AG

Inventor： KARL BAER DR ,  HEINRICH SPERBER DR ,  OTTO GOEHRE DR ,  GERHARD LEIBNER DR

IPC: B01J21/04 ,  B01J21/08 ,  B01J23/72 ,  B01J23/882 ,  B01J35/02 ,  B01J35/04 ,  B01J35/08 ,  B01J37/00

Abstract: In Examples 5 and 8, nitrobenzene is hydrogenated to aniline in presence of hollow silica beads impregnated with copper, at temperatures of 280 DEG -290 DEG C.ALSO:Catalysts or catalyst carriers in the form of hollow beads are prepared by spraying a hydrogel containing at least 30% by weight of water and/or a suspension and/or a solution of metal compounds at a pressure of 10 to 100 atmospheres into a tower-shaped vessel, and cocurrently introducing a gas at 300 DEG to 700 DEG C. in amounts of 4 to 18 cubic meters per kgm. of initial material. Hydrogels of silicic acid, alumina, silicates and titania are mentioned, Al, Mg, Zr or Zn salts may be added in preparing a silicic acid hydrogel. The metal compounds may be compounds of Cu, Ag, Zn, Mg, Al, Sn, Pb, V, Cr, Mo, W, Mn, Fe, Ni, Co, Pt or Pd. The hollow beads may be treated with halogen or a phosphoric acid. Examples relate to (1), (5) silica gel; (2), (3) alumina gel; (4) aluminium phosphate; (6) alumina + Co + Mo; (7) Mo + P + V; (8) silica gel + Cu.ALSO:Catalysts or catalyst carriers in the form of hollow beads are prepared by spraying a hydrogel containing at least 30% by weight of water and/or a suspension and/or a solution of metal compounds at a pressure of 10 to 100 atmospheres into a tower-shaped vessel, and cocurrently introducing a gas at 300 DEG to 700 DEG C. in amounts of 4 to 18 cubic meters per kgm of initial material. Hydrogels of silicic acid, alumina, silicates and titania are mentioned. Al, Mg, Zr or Zn salts may be added in preparing a silicic acid hydrogel. The metal compounds may be compounds of Cu, Ag, Zn, Mg, Al, Sn, Pb, V, Cr, Mo, W, Mn, Fe, Ni, Co, Pt or Pd. The hollow beads may be treated with halogen or a phosphoric acid. Examples relate to (1), (5) silica gel (2), (3) alumina gel; (4) aluminium phosphate; (6) alumina +Co+Mo; (7) Mo+P+V; (8) silica gel +Cu. A reactor for hydrogenation of nitrobenzene has diameter to height ratio 1:4 and has twenty two-component nozzles arranged at three levels above the grate at the bottom of the reactor. The upper portion of the vessel is widened to 1 1/2 times and includes a cyclone; reaction gases leaving by the cyclone are recycled via a heat exchanger, condenser, gas-liquid separator, preheater and pump. Cooling tubes are arranged in the catalyst layer at a distance from the wall of the reactor.

公开(公告)号：DE1518603A1

公开(公告)日：1969-06-12

申请号：DE1518603

申请日：1965-10-09

Applicant: BASF AG

Inventor： WILHELM FRIEDRICHSEN DR ,  GUENTER POEHLER DR-ING ,  OTTO GOEHRE DR

IPC: B01J27/198 ,  C07C51/215 ,  C07C51/25

公开(公告)号：DE1935008A1

公开(公告)日：1971-01-14

申请号：DE1935008

申请日：1969-07-10

Applicant: BASF AG

Inventor： WILHELM FRIEDRICHSEN DR ,  OTTO GOEHRE DR

IPC: C07C51/573

Abstract: Crude phthalic anhydride, obtained by catalytic oxidation of o-xylene or naphthalene, is subjected to a thermal treatment and a distillation. During the thermal treatment and/or the distillation it is heated to 200-350 degrees C in the liqiud or gaseous phase in the presence of a catalyst containing vanadium pentoxide.

公开(公告)号：DE1443462A1

公开(公告)日：1969-08-14

申请号：DE1443462

申请日：1962-12-18

Applicant: BASF AG

Inventor： HEINRICH SPERBER DR ,  GUENTHER POEHLER DR ,  OTTO GOEHRE DR

IPC: B01J21/00 ,  B01J23/06 ,  C07C45/00

公开(公告)号：DE1442590A1

公开(公告)日：1968-10-31

申请号：DE1442590

申请日：1965-05-18

Applicant: BASF AG

Inventor： WILHELM FRIEDRICHSEN DR ,  OTTO GOEHRE DR

IPC: B01J23/22 ,  B01J23/24 ,  B01J23/68 ,  B01J23/84 ,  B01J23/89 ,  B01J37/02 ,  C07C51/215 ,  C07C51/25 ,  C07C51/265 ,  C07C51/31 ,  B01J11/06

Abstract: 1,140,264. Oxidation of hydrocarbons. BADISCHE ANILIN- & SODA-FABBIK A.G. 17 May, 1966 [18 May, 1965], No. 21781/66. Heading C2C. [Also in Division B1] Aromatic hydrocarbons may be oxidized to carboxylic acids, for example o-xylene may be oxidized to phthalic anhydride+maleic anhydride, using a catalyst consisting of an inert porous carrier coated with a 0À02 to 2 mm. thick layer of a composition containing 1% to 15% by weight of vanadium pentoxide and 85% to 99% by weight of titanium dioxide, the catalyst containing from 0À05% to 3% by weight of vanadium pentoxide. In the examples, vapour phase o-xylene and air are passed over the catalyst in a tube heated by a salt-bath, the reaction temperature being: (1), (4), and (5) 400‹ C.; (2) and (7) 390‹ C.; (3) 380‹ C.; (6) 410‹ C. Also mentioned are oxidation of propylene to acetic acid; butene-(1 butene-(2) or butadiene-(1,3) to maleic acid; benzene to maleic acid; naphthalene to phthalic acid; toluene to benzoic acid; methyl naphthalenes to naphthoic acids; durene to pyromellitic acid.