Abstract: A process for the preparation of caprolactam by reacting cyclohexanone oxime with a cationic or nonionic surfactant and a cosurfactant in dilute sulfuric acid at a temperature in the range of 15.degree. C. to 40.degree. C., neutralizing excess acid present in the solution and recovering the caprolactam from the solution by filtration.

Abstract: This invention relates to a process for the oxidation of phenol to a mixture of hydroquinone and catechol using hydrogen peroxide as oxidant in the presence of titanium silicate molecular sieves in a multistage fixed bed reactor.

Abstract: The invention discloses a process for production of linear alkylbenzenes which comprises contacting a mixture of benzene linear olefins and hydroen with a catalyst containing a transition metal like iron, cobalt, nickel, platinum, palladium, iridium or mixtures thereof in intimate contact with a zeolite such as mordenite, beta X, Y or ZSM-12 and separating the linear alkylbenzenes from the reactor effluents. The present invention introduces the manufacture of LAB using solid catalyst under condition wherein the catalyst is not deactivated and hence leading to normal operation cycle lengths between successive regeneration which are substantially longer than those in prior art.

Abstract: A process for the preparation of caprolactam by reacting cyclohexanone oxime with an anionic surfactant and a cosurfactant in dilute sulfuric acid at a temperature in the range of 15.degree. C. to 40.degree. C., neutralising excess acid present in the solution and from the solution by filtration.

Abstract: Novel catalyst composite material is disclosed which comprises in combination a crystalline metallosilicate zeolite in terms of mole ratios having the general formula:O-below 0.4X:M.sub.2 O.sub.3 :30-300SiO.sub.2 :10H.sub.2 Owherein M is iron, lanthanum or mixtures thereof and X is selected from the oxides of sodium, hydrogen, platinum, iridium, rhenium and mixtures thereof, alumina and a chlorine component. This catalyst has a long and stable activity and no loss of components is encountered during the reforming of pyrolysis naptha and more importantly it is observed that the pyrolysis naptha does not have to be hydrogenated prior to contacting it with the catalyst. Reforming of pyrolysis naptha to a liquid fraction containing more than 99% of aromatic hydrocarbons is achieved.

Abstract: Novel catalyst composite material is disclosed which comprises in combination a crystalline metallosilicate zeolite in terms of mole ratios having the general formula:O-below 0.4 X:M.sub.2 O.sub.3 : 30-300 SiO.sub.2 : 10 H.sub.2 Owherein M is iron, lanthanum or mixtures thereof and X is selected from the oxides of sodium, hydrogen, platinum, iridium, rhenium and mixtures thereof, alumina and a chlorine component. This catalyst has a long and stable activity and no loss of components is encountered during the reforming of pyrolysis naptha and more importantly it is observed that the pyrolysis naptha does not have to be hydrogenated prior to contacting it with the catalyst. Reforming of pyrolysis naptha no a liquid fraction containing more than 99% of aromatic hydrocarbons is achieved.

Abstract: The process disclosed is for the improved reforming of petroleum fractions by catalytic conversion to a mixture of hydrocarbons rich in aromatics. In the process, naphtha fraction is contacted with two types of catalysts (1) a conventional reforming catalyst and (2) an acidic reforming catalyst containing a crystalline iron silicate. Splitting the reformate into two fractions and recycling the same to the two different reaction zones containing the two types of catalysts. The fraction recycled to the acidic reforming catalyst is rich in aromatics.

Abstract: An improved process is disclosed for the conversion of natural gas into middle distillates. In the process, natural gas is converted into synthesis gas or syngas consisting essentially of carbonmonoxide and hydrogen. The syngas is contacted with a series of three catalyst beds comprising of an admixture of oxides of copper, zinc and aluminium in the first bed, an oxide of aluminium in the second bed and silicate salt of a rare earth metal in the third bed. From the aqueous phase, the olefinic hydrocarbons are separated and then converted into oligomers boiling in the middle distillates range by contacting with solid oligomerization catalyst. The oligiomers in admixture with hydrogen are then converted into middle distillates by contacting the admixture with a hydrogenation catalyst. The middle distillates are well known for their varied applications as fuel and illuminators.