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This process flow diagram (PFD) example shows an amine treating system for the removal of gaseous hydrogen sulfide from gas streams. It is used in oil refineries and chemical plants. This PFD sample was redesigned from the Wikimedia Commons file: AmineTreating.png. [commons.wikimedia.org/ wiki/ File:AmineTreating.png]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. [creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
"Amine gas treating, also known as gas sweetening and acid gas removal, refers to a group of processes that use aqueous solutions of various alkylamines (commonly referred to simply as amines) to remove hydrogen sulfide (H2S) and carbon dioxide (CO2) from gases. It is a common unit process used in refineries, and is also used in petrochemical plants, natural gas processing plants and other industries.
Processes within oil refineries or chemical processing plants that remove hydrogen sulfide are referred to as "sweetening" processes because the odor of the processed products is improved by the absence of hydrogen sulfide. An alternative to the use of amines involves membrane technology. Membranes are attractive since no reagents are consumed.
Many different amines are used in gas treating:
Diethanolamine (DEA),
Monoethanolamine (MEA),
Methyldiethanolamine (MDEA),
Diisopropanolamine (DIPA),
Aminoethoxyethanol (Diglycolamine) (DGA).
The most commonly used amines in industrial plants are the alkanolamines DEA, MEA, and MDEA. These amines are also used in many oil refineries to remove sour gases from liquid hydrocarbons such as liquified petroleum gas (LPG)." [Amine gas treating. Wikipedia]
The PFD example "Amine treating unit schematic diagram" was drawn using the ConceptDraw PRO diagramming and vector drawing software extended with the Chemical and Process Engineering solution from the Chemical and Process Engineering area of ConceptDraw Solution Park.
Process Flow Diagram (PFD)
Process Flow Diagram (PFD), kettle, reboiler, heater, cooler, diaphragm valve, dashed mid-line, indicator, discrete instrument, column, closed tank, centrifugal pump,
Used Solutions
This process flow diagram (PFD) of a typical crude oil distillation unit as used in petroleum crude oil refineries was redrawn from Wikipedia file: Crude Oil Distillation Unit.png. [en.wikipedia.org/ wiki/ File:Crude_ Oil_ Distillation_ Unit.png]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. [creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
"An oil refinery or petroleum refinery is an industrial process plant where crude oil is processed and refined into more useful products such as petroleum naphtha, gasoline, diesel fuel, asphalt base, heating oil, kerosene and liquefied petroleum gas. Oil refineries are typically large, sprawling industrial complexes with extensive piping running throughout, carrying streams of fluids between large chemical processing units. In many ways, oil refineries use much of the technology of, and can be thought of, as types of chemical plants. The crude oil feedstock has typically been processed by an oil production plant. There is usually an oil depot (tank farm) at or near an oil refinery for the storage of incoming crude oil feedstock as well as bulk liquid products.
An oil refinery is considered an essential part of the midstream side of the petroleum industry." [en.wikipedia.org/ wiki/ Oil_ refinery]
The process flow diagram (PFD) example "Crude oil distillation" was drawn using the ConceptDraw PRO diagramming and vector drawing software extended with the Chemical and Process Engineering solution from the Chemical and Process Engineering area of ConceptDraw Solution Park.
Process flow diagram (PFD)
Process flow diagram (PFD), vapor, horizontal, jacketed vessel, vaporizing equipment, heater, cooler, heat exchanger, intersecting flowlines, fired heater, column, centrifugal pump, air-blown, cooler,
Used Solutions

chemical engineering, process engineering, process flow diagram symbols, process and instrumentation diagram, process diagrams Chemical and Process Engineering

chemical engineering, process engineering, process flow diagram symbols, process and instrumentation diagram, process diagrams
This chemical engineering solution extends ConceptDraw PRO v.9.5 (or later) with process flow diagram symbols, samples, process diagrams templates and libraries of design elements for creating process and instrumentation diagrams, block flow diagrams (BFD
This is a schematic process flow diagram of the processes used in a typical oil refinery.
This process flow diagram (PFD) example was redesigned from the Wikimedia Commons file: RefineryFlow.png. [commons.wikimedia.org/ wiki/ File:RefineryFlow.png]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. [creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
"An oil refinery or petroleum refinery is an industrial process plant where crude oil is processed and refined into more useful products such as petroleum naphtha, gasoline, diesel fuel, asphalt base, heating oil, kerosene and liquefied petroleum gas. Oil refineries are typically large, sprawling industrial complexes with extensive piping running throughout, carrying streams of fluids between large chemical processing units. In many ways, oil refineries use much of the technology of, and can be thought of, as types of chemical plants. The crude oil feedstock has typically been processed by an oil production plant. There is usually an oil depot (tank farm) at or near an oil refinery for the storage of incoming crude oil feedstock as well as bulk liquid products.
An oil refinery is considered an essential part of the downstream side of the petroleum industry." [Oil refinery. Wikipedia]
The PFD example "Process flow diagram - Typical oil refinery" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Chemical and Process Engineering solution from the Chemical and Process Engineering area of ConceptDraw Solution Park.
Process Flow Diagram (PFD)
Process Flow Diagram (PFD), column,
Used Solutions
The vector stencils library "Fire and emergency planning" contains 52 symbols of firefighting equipment.
Use these shapes for drawing fire and emergency floor plans, equipment layouts, and evacuation schemes in the ConceptDraw PRO diagramming and vector drawing software extended with the Fire and Emergency Plans solution from the Building Plans area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ building-fire-emergency-plans
Direction Arrow
Direction Arrow, direction arrow,
Double Stairs
Double Stairs, double stairs,
Stairs
Stairs, stairs,
Elevator
Elevator, elevator,
Emergency Exit
Emergency Exit, emergency exit,
Handicapped Emergency Exit
Handicapped Emergency Exit, handicapped emergency exit,
Emergency Phone 1
Emergency Phone 1, emergency phone,
Use Stairs in Fire
Use Stairs in Fire, use stairs in fire,
Fire Escape or Fire Exit
Fire Escape or Fire Exit, fire escape, fire exit,
Black Fire Alarm
Black Fire Alarm, black, fire alarm,
Red Fire Alarm
Red Fire Alarm, red, fire alarm,
Fire Extinguisher 1
Fire Extinguisher 1, fire extinguisher,
Fire Hose without text
Fire Hose without text, fire hose,
Fire Extinguisher 2
Fire Extinguisher 2, fire extinguisher,
Fire Hose with black text
Fire Hose with black text, fire hose,
Fire Hose with red text
Fire Hose with red text, fire hose,
First Aid
First Aid, first aid,
Left Arrow
Left Arrow, left arrow,
Right Arrow
Right Arrow, right arrow,
You are here
You are here, You are here,
Biohazard
Biohazard, biohazard,
Radiation Hazard
Radiation Hazard, radiation hazard,
Obstructions
Obstructions, obstructions,
Hazardous Materials Storage
Hazardous Materials Storage, hazardous materials storage,
Sprinkler Connections
Sprinkler Connections, sprinkler connections,
Private Fire Detection System
Private Fire Detection System, private fire detection system,
Exits and Entrances
Exits and Entrances, exit, entrance,
Water Supplies
Water Supplies, water supplies,
Elevator Shaft
Elevator Shaft, elevator shaft,
Nearest Fire Hydrant
Nearest Fire Hydrant, nearest fire hydrant,
Electric Shut Off
Electric Shut Off, electric shut off,
Knox Box Location
Knox Box Location, knox box location,
Water Shut Off
Water Shut Off, water shut off,
Other Vertical Openings
Other Vertical Openings, other vertical openings,
Roof Access
Roof Access, roof access,
Gas Shut Off
Gas Shut Off, gas shut off,
Emergency Phone 2
Emergency Phone 2, emergency phone,
Emergency contact information
Emergency contact information, emergency contact information,
Fire Alarm
Fire Alarm, fire alarm,
Fire Break Glass
Fire Break Glass, fire break glass,
Fire Escape
Fire Escape, fire escape,
Danger Compressed Gas
Danger Compressed Gas, danger compressed gas,
Flammable Material
Flammable Material, flammable material,
Oxidant Material
Oxidant Material, oxidant material,
Harmful Chemicals
Harmful Chemicals, harmful chemicals,
Non Ionising Radiation
Non Ionising Radiation, Non ionising radiation,
Corrosive Material
Corrosive Material, corrosive material,
High Voltage
High Voltage, high voltage,
Dangerous Chemical
Dangerous Chemical, dangerous chemical,
Danger of Death
Danger of Death, danger of death,
Fire Point
Fire Point, fire point,
Fire Blanket
Fire Blanket, fire blanket,
Used Solutions