Saudi Arabian Oil Company

Mohammad Fuad Aljishi

Ki-Hyouk Choi

Ashok Kumar Punetha

Mohammed Rashid Al-Dossary

Lianhui Ding

Emad Naji Al-Shafei

Joo-Hyeong Lee

Guanghui Zhu

Mohammed Zuhair Albahar

Bader M Al-Otaibi

Mohammed A Alkhunaizi

A method for upgrading a naphtha feed includes passing the naphtha feed to an adsorption unit to produce at least a paraffin stream and an isoparaffin stream, wherein the isoparaffin stream comprises isoparaffins and aromatics. Passing the isoparaffin stream to an isoparaffin aromatization catalytic unit that contacts the isoparaffin stream with at least one aromatization catalyst produces aromatics from the isoparaffins thereby yielding an aromatization effluent. The at least one aromatization catalyst may comprise ZSM-5 zeolite. Benzene, toluene, and/or xylene (BTX) may be separated from the aromatization effluent by separating the aromatics effluent into a gas stream and a liquid stream in a gas/liquid separator, wherein the liquid stream contains BTX. Passing the liquid stream to a BTX-separation unit may produce a BTX stream and a recycle stream, wherein the BTX stream contains benzene, toluene, and/or xylene.

Processes for aromatization of naphtha isoparaffins

Embodiments of the disclosure produce a method and system for deasphalting a hydrocarbon feed. The hydrocarbon feed and a first solvent is combined using a Taylor-Couette mixer to form a mixed stream. The mixed stream and a second solvent are introduced to an extractor to produce a first deasphalted oil stream and a pitch stream. The first deasphalted oil stream is introduced to a solvent recovery unit to recover the first solvent and the second solvent via a recovered solvent stream and to produce a second deasphalted oil stream.

Process to remove asphaltene from heavy oil by solvent

A petroleum feedstock upgrading method is provided. The method includes supplying a mixed stream that includes hydrocarbon feedstock and water to a hydrothermal reactor where the mixed stream is maintained at a temperature and pressure greater than the critical temperatures and pressure of water in the absence of catalyst for a residence time sufficient to convert the mixed stream into a modified stream having an increased concentration of lighter hydrocarbons and/or concentration of sulfur containing compounds. The modified stream is then supplied to an adsorptive reaction stage charged with a solid adsorbent operable to remove at least a portion of the sulfur present to produce a trimmed stream. The trimmed stream is then separated into a gas and a liquid streams, and the liquid stream is separated into a water stream and an upgraded hydrocarbon product stream.

Petroleum upgrading and desulfurizing process

A hydrocarbon feedstock upgrading method is provided. The method includes supplying the hydrocarbon feedstock, water and a pre-heated hydrogen donating composition to a hydrothermal reactor where the mixed stream is maintained at a temperature and pressure greater than the critical temperatures and pressure of water in the absence of catalyst for a residence time sufficient to convert the mixed stream into a modified stream. The hydrogen donating composition is pre-heated and maintained at a temperature of greater than about 50&#xb0; C. for a period of at least about 10 minutes. The modified stream includes upgraded hydrocarbons relative to the hydrocarbon feedstock. The modified stream is then separated into a gas stream and a liquid stream and the liquid stream is separated into a water stream and an upgraded hydrocarbon product stream.

Upgrading of hydrocarbons by hydrothermal process

A process for upgrading an oil stream by mixing the oil stream with a water stream and subjecting it to conditions that are at or above the supercritical temperature and pressure of water. The process further includes cooling and a subsequent alkaline extraction step. The resulting thiols and hydrogen sulfide gas can be isolated from the product stream, resulting in an upgraded oil stream that is a higher value oil having low sulfur, low nitrogen, and low metallic impurities as compared to the oil stream.

Growing community of inventors

Qatif, Saudi Arabia

Mohammad Fuad Aljishi