Shell Oil Comapny

Mossi & Ghisolfi Overseas S.a.

John Bernard Rodden

Zaida Diaz

Thomas F Brownscombe

Brendan Dermot Murray

Robert Lawrence Blackbourn

Ye-Mon Chen

Donn Anthony Dubois

Michael Wayne Potter

Raymond Lawrence June

James Laurel Buechele

Keith Michael Kreitman

Charles Lee Meyer

Michael Norris Treybig

Jack Thomas Veal

Raymond Tom Fong

Coley Jerald Williams

Richard Joseph Horvath

Steve Edward Brewer

Glenn William Elliott

Process for separation of crude naphthalene dicarboxylic acid using reverse osmosis

Disclosed is an integrated process for producing 2,6-naphthalene dicarboxylicacid comprising oxidizing a methylnaphthalene feedstock, hydrodebrominating the crude naphthoic acid product under conditions different from any work known in the art, forming a potassium salt of the acid; disproportionating the potassium salt to produce 2,6 potassium salts of NDA; selectively precipitating K NDA; selectively precipitating the monopotassium salt of 2,6 NDA(KHNDA); disproportionating the KHNDA into 2,6 NDA and K2NDA; further reacting the 2,6 NDA in a pipe reactor; and drying the product 2,6 NDA by conventional means or directly slurrying directly into a PEN process. The process can tolerate impurities in the economical methylnaphthalene feed and the resulting 2,6 NDA is of high quality with <50 ppm potassium.

Integrated process for the production of 2, 6-naphthalene dicarboxylic acid

Closely linking a NDA process with a pen process

A selenium-containing aqueous stream may be used as a quenching water stream and optionally a cutting water stream in a delayed coking process to effectuate the removal of selenium from the selenium-containing aqueous stream resulting in the formation of a selenium-coke product. In addition, selenium may be concentrated in selenium-containing stripped sour water streams by recycling the stream in one or more hydroprocessing units and one or more sour water stripper units and subsequently removed by using a portion of the selenium-containing stripped sour water stream as a quenching water stream and optionally a cutting water stream in a delayed coking process.

Process for the removal of selenium from selenium-containing aqueous

A system is disclosed for reducing the level of minor amounts of volatile organic contaminants, from contaminated water, which includes pump means to feed water from the body of contaminated water to the system, a plurality of heating means to raise the temperature of the water, a contact vessel to contact the heated water with gas to strip the volatile contaminants from the water, gas supply means to provide stripping gas to the vessel, and means to pass the removed volatile contaminants to a furnace for disposal by combustion.

System for removal and disposal of minor amounts of organics from

A system is disclosed for recovering and disposing of volatile organic contaminants, from water contaminated with organics, which system includes a pump to feed water from the body of contaminated water to the system, with indirect heat exchange and direct steam addition to raise the temperature of the water, a stripping vessel to strip the heated water with gas to strip the volatile contaminants from the water, gas supply to provide stripping gas to the vessel conduits to pass the removed volatile contaminants to a vessel containing a bed of adsorbent selective for the removal organics and regenerating the near-saturated bed by stripping with ambient air heated by heat exchange with the exhaust gas from a fuel-fired heater, passing the contaminant-containing regenerating gas from the regenerating bed to said fuel-fired heater, and combusting the contaminants in said fuel-fired heater.

Growing community of inventors

Houston, TX, United States of America

John Bernard Rodden