Hydrodesulfurization definition

Hydrodesulfurization means to remove sulfur and nitrogen compounds from oil or gas in the presence of hydrogen and a catalyst at relatively high temperatures.
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Examples of Hydrodesulfurization in a sentence

  • As part of MAQP #1821-23, CHS proposed to convert the existing Hydrodesulfurization (HDS) Unit into a Mild Hydrocracker.

  • Process streams flow from the Crude Unit to the Fluid Catalytic Cracking Unit (FCCU), the Distillate Hydrotreating Unit (DHTU), Naphtha Hydrodesulfurization Unit (NHDS), and the Unifiner/Penex (Penex).

  • DFT Calculations of Unpromoted and Promoted MoS2-Based Hydrodesulfurization Catalysts.

  • Hydrodesulfurization of 4,6-di- methyldibenzothiophene over promoted (Ni,P) alumina- supported molybdenum carbide catalysts: activity and characterization of active sites.

  • Hydrodesulfurization of thiophene over unsupported molybdenum carbide.

  • S´anchez-Delgado, Organometallic Modeling of the Hydrodesulfurization and Hydrodenitrogenation Reactions, Springer Netherlands, Kluwer, Dordrecht, 2002.22 (a) Exxonmobil Pat., US Pat.

  • Keywords: Molybdenum carbide, Synthesis method, Hydrodesulfurization, Catalytic hydrotreating, Presulfiding agent.

  • Weihua, Hydrodesulfurization and Hydrodenitrogenation: Chemistry and Engineering, Wiley-VCH, Tokyo, 1999; (c)R.

  • Therefore, CHS requested the permit, specifically the Title V Operating Permit, be updated to reflect these new determinations of regulatory applicability.As part of MAQP #1821-23, CHS proposed to convert the existing Hydrodesulfurization (HDS) Unit into a Mild Hydrocracker.

  • The portion of the proposed project related to enhancing safety will focus on modifications to the Coker Gas Debutanizer pressure relief valve, as well as adding equipment to the Fluid Catalytic Cracking Unit (FCCU), Fluid Feed Hydrodesulfurization (FFHDS), vapor recovery system, and flare system.

Related to Hydrodesulfurization

  • Gasification means the substoichiometric oxidation or steam reformation of a substance to produce a gaseous mixture containing two or more of the following: (i) oxides of carbon; (ii) methane; and (iii) hydrogen;

  • Weatherization means building insulation (for attic, exterior walls and crawl space), siding to improve energy efficiency, replacement storm windows, replacement storm doors, replacement windows and replacement doors, and is considered a major system for rehabilitation.

  • Biomass means the biodegradable fraction of products, waste and residues from biological origin from agriculture (including vegetal and animal substances), forestry and related industries including fisheries and aquaculture, as well as the biodegradable fraction of industrial and municipal waste;

  • Nitrogen oxides means nitric oxide and nitrogen dioxide, expressed as nitrogen dioxide (NO2);

  • Geothermal fluid means water in any form at temperatures greater than 120

  • Backpressure means a pressure (caused by a pump, elevated tank or piping, boiler, or other means) on the consumer's side of the service connection that is greater than the pressure provided by the public water system and which may cause backflow.

  • Hydraulic fracturing means the fracturing of underground rock formations, including shale and non-shale formations, by manmade fluid-driven techniques for the purpose of stimulating oil, natural gas, or other subsurface hydrocarbon production.

  • Flue means a passage for conveying the products of combustion from a gas appliance to the external air.

  • Fabrication means making up data or results and recording or reporting them.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • Finished water means the water that is introduced into the distribution system of a public water system and is intended for distribution and consumption without further treatment, except as treatment necessary to maintain water quality in the distribution system (e.g., booster disinfection, addition of corrosion control chemicals).

  • Coagulation means a process using coagulant chemicals and mixing by which colloidal and suspended materials are destabilized and agglomerated into flocs.

  • Pyrolysis means the thermal degradation of a substance in the absence of any oxidising agent, which does not form part of the substance itself, to produce char and gas and/or liquid; and

  • borehole means a hole sunk into the earth for the purpose of locating, abstracting or using subterranean water and includes a spring;

  • Hydraulic lift tank means a tank holding hydraulic fluid for a closed-loop mechanical system that uses compressed air or hydraulic fluid to operate lifts, elevators, and other similar devices.

  • Density means the permitted number of dwelling units per

  • Output means the exposure rate, dose rate, or a quantity related in a known manner to these rates from a brachytherapy source or a teletherapy, remote afterloader, or gamma stereotactic radiosurgery unit for a specified set of exposure conditions.

  • Transportation project means any project that the department is authorized by law to undertake including but not limited to a highway, tollway, bridge, mass transit, intelligent transportation system, traffic management, traveler information services, or any other project for transportation purposes.

  • Wastewater treatment plant means a facility designed and constructed to receive, treat, or store waterborne or liquid wastes.

  • Plasma arc incinerator means any enclosed device using a high intensity electrical discharge or arc as a source of heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.

  • Tank means an enclosed space which is formed by the permanent structure of a ship and which is designed for the carriage of liquid in bulk.

  • Sensor means any measurement device that is not part of the vehicle itself but installed to determine parameters other than the concentration of gaseous and particle pollutants and the exhaust mass flow.

  • Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.

  • Tetrahydrocannabinol means a substance derived from cannabis or a synthetic equivalent as described in Subsection 58-37-4(2)(a)(iii)(AA).

  • Fuel means any solid, liquid or gaseous combustible material;

  • Bulk gasoline plant means a gasoline storage and distribution facility with an average daily throughput of 20,000 gallons (76,000 liters) of gasoline or less on a 30-day rolling average.