2007 MDOT ASPHALT PRESENTATION

Information about 2007 MDOT ASPHALT PRESENTATION

Published on January 23, 2008

Author: Miranda

Source: authorstream.com

Content

Moonshine Transport Vehicle:  Moonshine Transport Vehicle MOONSHINE -White lightnin’ Ingredients::  MOONSHINE -White lightnin’ Ingredients: Corn Sugar Yeast Water Moonshine still:  Moonshine still Moonshine still with knockout box:  Moonshine still with knockout box Moonshine Still with Worm Coils:  Moonshine Still with Worm Coils Moonshine bucket:  Moonshine bucket Slide12:  Carbon Hydrogen Oxygen Carbon Oxygenated Hydrogen Distillation Ethanol – The way Oscar made it Slide13:  Distillation uses heat to sort and process hydrocarbon molecules into “Fractions”, based on their boiling points. “Fractions” are complex mixtures of chemical compounds that all have a similar boiling point. Methane Molecule:  Methane Molecule Methane and Ethane Molecules:  Methane and Ethane Molecules Ethane and Ethanol Molecules:  Ethane and Ethanol Molecules H-C-C-OH H H H H Ethanol C2H5OH Typical Crude Unit:  Typical Crude Unit Propane Molecule:  Propane Molecule Propane and Normal Butane Molecules:  Propane and Normal Butane Molecules Pentane Molecule:  Pentane Molecule H-C-C-C-C-C-H H H H H H H H H H H C5H12 Pentane Refinery “Slang”:  Refinery “Slang” C1 = Methane C2 = Ethane C3 = Propane C4 = Butane C5 = Pentane Etc. Typical Crude Unit:  Typical Crude Unit Slide23:  Asphalt is produced from the bottom of the distillation tower, hence the nickname “bottom of the barrel”. Base Asphalt:  Base Asphalt HEAT CUTTER STOCK WATER EMULSION Asphalt Products:  Asphalt Products “Performance Grades” (PG) “Cutbacks” Emulsions Performance Graded Asphalt:  Performance Graded Asphalt PG58-28 “Neat” Asphalt PG64-22 “Neat” Asphalt “Cutbacks”:  “Cutbacks” Rapid Cure Medium Cure Slow Cure “Rapid Cure” Cutbacks:  “Rapid Cure” Cutbacks RC800 RC3000 “Medium Cure” Cutbacks:  “Medium Cure” Cutbacks MC30 MC70 MC250 MC800 MC3000 Emulsions:  Emulsions Anionic (Negative charge) Cationic (Positive charge) SS-1:  SS-1 Tack Coats Slurry Seals Fog Seals CRS-2:  CRS-2 Chip Seals Cement Treated Base Modified CRS-2:  Modified CRS-2 CRS-2LM CRS-2P P.M.A.:  P.M.A. “Polymer Modified Asphalt” P.M.A.:  P.M.A. PG58-34 PG64-34 PG64-28 PG70-28 PG58-28:  PG58-28 58 + 28 = 86 PG64-28:  PG64-28 64 + 28 = 92 Slide38:  “Neat” Asphalt is unmodified, and is used in the same form as when it came off of the distillation tower. Typical Neat Asphalt grades include: PG58-28 (Produced in Montana) PG64-22 (Produced in Montana) Examples of Modified Asphalt Mills:  Examples of Modified Asphalt Mills Polymers = Horses and Elephants? Huh???:  Polymers = Horses and Elephants? Huh??? Slide41:  Polymer Modified Asphalt Asphalt + Polymer Less Cold Weather Cracking Stiffer at High Temperatures Polymers = $ $ $ $ $:  Polymers = $ $ $ $ $ Slide43:  Example of an Emulsion Mill Slide44:  Asphalt Emulsions can be made in several ways, with the goal being consistent dispersion of the molecules Applying Emulsion:  Applying Emulsion Pay Attention to what you’re doing!:  Pay Attention to what you’re doing! An Example of what can happen. Hunting with a friend?:  Hunting with a friend? Safety Film now:  Safety Film now Slide49:  OIL TANK SWITCHING CHART FOR STATE AND FEDERALLY FUNDED PROJECTS To avoid penalties when switching from one asphalt grade to another, please empty your tanks and return the asphalt to its supplier. If the remaining asphalt was purchased from Montana Refining Co., please deliver it to M.R.C. for a full credit to your account. If you have any questions or concerns, please contact us at the phone number listed below. Montana Refining Company 1900 Tenth St. N.E. Great Falls, MT 59404 1-406-761-4100 P.M.A.:  P.M.A. PG58-34 PG64-34 PG64-28 PG70-28 Neat Asphalt PG58-28 PG64-22 Slide51:  Questions? END:  END Slide53:  Examples of finished hydrocarbon molecules Slide54:  PETROLEUM REFINERIES: WHAT ARE THEY DOING IN THERE? Slide55:  Petroleum refineries come in all shapes and sizes. Their job is to safely and efficiently process various crude oils into useful products for consumers, while operating in an environmentally safe manner. Slide56:  Refineries employ people with advanced training in several different professions, ranging from Operations, to Chemical Engineering, to Marketing. Slide57:  WHAT IS CRUDE OIL AND WHERE DOES IT COME FROM? Slide58:  Crude Oil is a complex amalgamation of chains of hydrocarbon molecules Slide59:  Crude oil is produced in many different countries and oceans all around the globe Slide60:  Crude Oil can be produced in several different ways. Land based liquid crude oil wells Ocean based liquid crude production Land based mining techniques for production of solid crudes, such as Bitumen and Oil Shale Slide61:  Solid Crudes require additional processing for ease of Transport & Refining Slide62:  How do you turn crude oil into something useful? Slide63:  A petroleum refinery’s job is to break crude oil hydrocarbon molecule chains down into slightly different groupings of molecules. Slide64:  There are several different ways to process molecules in order to sort or change them. Distillation using heat Chemical Reactions Changes in Pressure Differences in molecular weight Slide65:  How is a refinery set up to do all this? The processing concept is relatively simple. Slide66:  “The Five Pillars of Refining” 1. Distillation 2. Catalytic Cracking 3. Catalytic Reforming 4. Alkylation 5. Hydroprocessing Slide67:  “Heavy” fractions such as asphalt have a higher boiling point. “Light” fractions such as gasoline or propane have a lower boiling point. Slide68:  What does a Catalytic Cracker do? It breaks long molecules into smaller molecules in the presence of high heat levels and a catalyst. Slide69:  What does a Catalytic Reformer do, and how does it work? It re-arranges the molecular structure of the hydrocarbon molecules using catalysts (typically platinum) in the presence of heat. Slide70:  What does an Alkylation Unit do? An “alky” unit operates at lower temperatures and pressures, using an acid catalyst to re-arrange or recombine the hydrocarbons. Slide71:  What is Hydroprocessing? There are 2 types: 1.Hydrotreating, which is the addition of hydrogen molecules without breaking the molecule into smaller pieces. 2. Hydrocracking, which is the high pressure cracking of long chain molecules into shorter chain molecules Slide72:  Flow Chart for Pascagoula, Chevron’s Refinery in Mississippi. Capacity- 350,000 Barrels per day Slide73:  So how is Asphalt made? Slide74:  Asphalt is comprised of the highest boiling point material, and has the heaviest molecular weight hydrocarbon chains. Slide75:  Trinidad Lake “Neat” Asphalt gathering process in 2002. Asphalt Emulsion and Modified Asphalt can be produced by passing the asphalt and modifiers through a shear mill.:  Asphalt Emulsion and Modified Asphalt can be produced by passing the asphalt and modifiers through a shear mill. Slide77:  A simple asphalt emulsion mill setup. Slide78:  They even make portable emulsion mills that you can put in an airplane. Slide79:  Emulsions are built to “break”, sooner or later. Slide80:  Stages in breaking of a Cationic Emulsion Slide81:  Now that we’ve made the emulsion, what do we do with it? How do we get the pearls on the pig? Slide82:  Today’s asphalt distributors Slide84:  CRS-2P, CRS-2LM CRS-2P, CRS-2LM CRS-2P, CRS-2LM CRS-2P, CRS-2LM CRS-2P, CRS-2LM CRS-2P, CRS-2LM Slide85:  Today’s highway needs often demand modified paving grades. Hot Asphalt for Hot Mix Slide86:  “Modified” Asphalt is made by adding polymers, and is usually run through some type of shear mill. Examples of Modified Asphalt grades include: PG64-34 (Produced in Montana) PG70-28 (Produced in Montana) PG64-28 (Produced in Montana) PBA6a(mod) (California) GGB3 (California) PG76-22CC (Clark County, Nevada) PG76-22TR (Arizona) CRA Type 1 (Arizona) Slide87:  Modified Asphalt shear mills are set up in much the same way that emulsion mills are, but without the addition of water. Slide88:  One type of SBS Mill setup Mill Tank Sales or FOR LOAD OUT Slide89:  Pictures of stationary and portable Modified Asphalt production units. Slide90:  OIL TANK SWITCHING CHART FOR STATE AND FEDERALLY FUNDED PROJECTS To avoid penalties when switching from one asphalt grade to another, please empty your tanks and return the asphalt to its supplier. If the remaining asphalt was purchased from Montana Refining Co., please deliver it to M.R.C. for a full credit to your account. If you have any questions or concerns, please contact us at the phone number listed below. Montana Refining Company 1900 Tenth St. N.E. Great Falls, MT 59404 1-406-761-4100 Slide91:  Questions? Thank you for your time.

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