Kellogg Brown + Root LLC

Exxonmobil Chemical Patents Inc.

Michael A Radzicki

Alok Srivastava

Quo-Chen Yeh

Kristine E Hamilton

David Sellinger

Robert Choi

Rian Reyneke

James R Arnold

Larry J Shulik

Neeraj Sangar

Michael Patrick Moran

Rodney S Smith

Richard A Symes

Matthew B Yarrison

Donald J Norris

Asit K Mondal

A system for hydrogenation Cand Cacetylenes contained within a hydrocarbon stream generated in a stream cracker unit where a debutanizer is placed upstream of a depropanizer for more economical processing of the hydrocarbon stream to produce lighter hydrocarbons, where the system requires only one stripper tower downstream of hydrogenation to remove residual hydrogen.

Hydrogenation of acetylenes in a hydrocarbon stream

A system and process for generating, on-site, a sustained C+Caromatic rich solvent stream for tar solvation within the olefin plant employing a two-fuel oil tower system receiving a hydrocarbon feed from a quench water separator drum, where the two-fuel oil tower system is configured to make a sufficient solvent stream containing C+Caromatic rich hydrocarbons that is recycled and mixed with quench water going to the quench water separator drum to assist in removing tar molecules out of the quench water.

On-site solvent generation and makeup for tar solvation in an olefin plant

A first stream containing 1,3-butadiene, Cacetylenes, and optionally Chydrocarbons, is mixed with a portion of the liquid recycle stream from a Cacetylene hydrogenation reactor containing hydrogenated Cacetylenes and a molecular hydrogen-containing stream, the resulting mixed stream is then fed to a Cacetylene hydrogenation reactor to selectively hydrogenate the Cacetylenes in the crude butadiene stream without appreciable 1,3-butadiene conversion.

Upgrading streams comprising Cand Chydrocarbons

A system and a process for dimerizing cyclopentadiene (CPD) including producing a C+Crich bottoms stream and a Crich side draw from a debutanizer, where the Crich side draw and at least a portion of the C+Crich bottoms stream are directed to a dimerizer where the CPD is thermally dimerized to dicyclopentadiene (DCPD). DCPD is more stable than CPD and thus safer to handle.

Dimerization of cyclopentadiene from side stream from debutanizer

Processes and systems for pyrolysing a hydrocarbon feed for a predetermined period of time, e.g., by steam cracking. The process can include determining a first amount of silicon material present in the hydrocarbon feed that is to be steam cracked to produce a steam cracker effluent. The process can also include determining a second amount of silicon material that will be present in a steam cracker naphtha that is to be separated from the steam cracker effluent.

Hydrocarbon pyrolysis of feeds containing silicon

The invention generally relates to processes for reducing and removing foulant and foulant precursors from regenerated amine mixtures and to equipment useful in such processes. Such amine mixtures are useful for removing one or more acidic gases such as COor HS from olefin hydrocarbon streams. A first feed comprising regenerated amine, foulant, and foulant precursors is provided. A second feed comprising aromatic hydrocarbons is provided. The first and second feeds are combined and then separated to form first and second products. The first product is an upgraded regenerated amine mixture that comprises the first feed's amine. The second product comprises second feed's aromatic hydrocarbons and a portion of the first feed's foulant.

Reducing and removing foulant from regenerated amine mixtures

The invention generally relates to processes for upgrading a process stream, such as those containing Colefin and one or more acidic gases, to equipment useful in such processes, and to upgraded process streams.

Growing community of inventors

Houston, TX, United States of America

Michael A Radzicki