Saudi Basic Industries Corporation

Sabic Global Technologies B.v.

P S Sreenivasan

Ravichander Narayanaswamy

Krishna Kumar Ramamurthy

Venkata Ramanarayanan Ganapathy Bhotla

Alexander Stanislaus

Philip Wesley Bell

Omkar D Gadgil

P S Mahabala

A dynamic process for purifying dicyclopentadiene from a mixed liquid hydrocarbon stream comprising dicyclopentadiene and one or more of a Cparaffin, a Colefin, co-dimers, cyclopentadiene, benzene, vinyl norbornene, bicyclononadiene, propenyl norbornene, isopropenyl norbornene, methylbicyclononadiene, methyldicyclopentadiene, and various minor organic impurities is introduced, wherein the dicyclopentadiene is separated from the mixed liquid hydrocarbon stream by melt crystallizing sweating and collecting dicyclopentadiene.

Dynamic melt crystallization process for purifying dicyclopentadiene from a mixed liquid hydrocarbon stream

A method of producing olefins and aromatic compounds from a feedstock includes introducing a hydrocarbon feedstock and a catalyst composition that is suitable for converting the feedstock to at least one of olefins and aromatic compounds within a reactor. The reactor has a reactor flow path having a length L between the inlet and outlet. The temperature in the reactor is monitored in at least one location that is at or adjacent to the inlet at a temperature-monitoring distance that is from 0.3 L or less from the inlet. In response to the monitored temperatures one or more parameters are modified. At least a portion of the feedstock is allowed to be converted to at least one of olefins and aromatic compounds within the reactor, which are removed as a product stream.

Conversion of plastics to olefin and aromatic products using temperature control

A method of producing olefins and aromatic compounds from a feedstock is accomplished by introducing a hydrocarbon feedstock and a catalyst composition within a reactor. At least a portion of the reactor is at a reactor temperature of from 470&#xb0; C. to 730&#xb0; C. The catalyst composition is comprised of a fluidized catalytic cracking (FCC) catalyst and a ZSM-5 zeolite catalyst, wherein the amount of ZSM-5 zeolite catalyst makes up from greater than 0 wt. % of the total weight of the FCC catalyst and the ZSM-5 zeolite catalyst. At least a portion of the feedstock is converted to products of at least one of olefins and aromatic compounds within the reactor, with at least some of the products being contained in a liquid product stream. At least a portion of the liquid product stream is directed to different downstream processes to increase production of at least one of olefins and aromatic compounds.

Conversion of plastics to olefin and aromatic products with product recycle

A method for recovering a dihydroxy aromatic compound and urea from a polycarbonate-containing composition comprising a polycarbonate and a phosphorus-containing flame retardant, comprising contacting the composition with ammonia in the presence of a swelling solvent for a time sufficient to depolymerize the polycarbonate producing a dihydroxy aromatic compound and urea.

Method for direct ammonolysis of polycarbonate-containing materials and products

A catalyst composition useful for producing olefins and aromatic compounds from a feedstock is formed from a fluidized catalytic cracking (FCC) catalyst and a ZSM-5 zeolite catalyst, wherein the amount of ZSM-5 zeolite catalyst makes up from 10 wt. % or more by total weight of the FCC catalyst and the ZSM-5 zeolite catalyst. The catalyst composition may be used in a method of producing olefins and aromatic compounds from a feedstock by introducing a hydrocarbon feedstock and the catalyst composition within a reactor, at least a portion of the reactor being at a reactor temperature of 550&#xb0; C. or higher. The feedstock and catalyst composition are introduced into the reactor at a catalyst-to-feed (C/F) ratio of from 6 or greater.

Growing community of inventors

Bengaluru, India

P S Sreenivasan