Warm Mix Asphalt training documents provided by the National Center for Asphalt Technology (NCAT) for classes held June 26 & 27, 2013 in California, sponsored by the California Asphalt Pavement Association (CalAPA).
Warm Mix Asphalt training documents provided by the National Center for Asphalt Technology (NCAT) for classes held June 26 & 27, 2013 in California, sponsored by the California Asphalt Pavement Association (CalAPA).
Warm Mix Asphalt training documents provided by the National Center for Asphalt Technology (NCAT) for classes held June 26 & 27, 2013 in California, sponsored by the California Asphalt Pavement Association (CalAPA).
Warm Mix Asphalt training documents provided by the National Center for Asphalt Technology (NCAT) for classes held June 26 & 27, 2013 in California, sponsored by the California Asphalt Pavement Association (CalAPA).
Warm Mix Asphalt training documents provided by the National Center for Asphalt Technology (NCAT) for classes held June 26 & 27, 2013 in California, sponsored by the California Asphalt Pavement Association (CalAPA).
An Experimental Analysis of Performance, Combustion and Emission Characteris...IJMER
Bio-diesel is one of the most promising alternatives for diesel needs. Use of edible oils may
create shortage of oil for daily food. This required identification of new kinds of non-edible vegetable oil.
With this objective, the present work has focused on the performance, combustion and emission
characteristics of diesel engine using simarouba oil and its blends with diesel. In this investigation, the
blends of varying proportions of simarouba biodiesel with diesel (S20, S40, S60, S80 & S100) were
prepared, analyzed, and compared the performance, combustion and exhaust emission with diesel using
5.2 kW Single cylinder, 4stroke diesel engine. The performance, combustion and emission characteristics
of blends are evaluated at variable loads and constant rated speed of 1500 rpm and found that the
performance of S20 blend of simarouba oil gives result, that is near to the diesel and also found that the
emission CO, HC, & NOX of this blend is less than the diesel.
Experimental investigation and optimization study of combustion chamber geome...IJERD Editor
An experimental investigation and optimization study of various piston geometries was conducted
on Greaves single cylinder direct injection compression ignition engine using straight diesel and blends of rice
bran biodiesel. The three combustion chamber geometries used in this study were Standard toroidal piston
(STP), hemispherical bowl piston (HBP) and Shallow toroidal re-entrant piston (STRP) at compression ratios of
18:1, 19.04:1 and 16.4:1 respectively. Rice bran biodiesel was derived by two step trans-esterification process
with an optimum yield of 86% with molar ratio 1:6, 06% of catalyst (KOH), 90 min reaction time and 65oC
reaction temperature. The performance parameters like brake specific energy consumption, brake thermal
efficiency and the emission parameters like carbon monoxide, unburned hydrocarbons and oxides of nitrogen
were analysed in detail. It was noticed that the BSEC of STRP was 12.1% with diesel and 14.02% with B100
biodiesel blend. The brake thermal efficiency was also found to be improved with biodiesel blend with STRP on
comparison with STP and HBP. The carbon monoxide and hydrocarbon emission was found to decrease with
STRP geometry were as HBP exhibited negative improvement. NOx emission was also found to increase with
STRP.
An Experimental Analysis of Performance, Combustion and Emission Characteris...IJMER
The use of biodiesel, the methyl esters of vegetable oils are becoming popular due to their
low environmental impact and potential as a green alternative fuel for diesel engine. With this objective,
the present work has focused on the performance and emission characteristics of diesel engine using
rice bran oil and its blends with diesel. In this investigation, the blends of varying proportions of rice
bran biodiesel with diesel (RB20, RB40, RB60, RB80 & RB100) were prepared, analyzed, and compared
the performance and exhaust emission with diesel using 5.2 kW Single cylinder, 4stroke diesel engine.
The performance and emission characteristics of blends are evaluated at variable loads and constant
rated speed of 1500 rpm and found that the performance of RB20 blend of rice bran oil gives result, that
is near to the diesel and also found that the emission CO, CO2, HC, smoke & NOX of this blend is less
than the diesel.
Natural Gas (from a natural reservoir or associated to a crude production) can contain acid gas (H2S and/or CO2)..
The Gas Sweetening Process aims to remove part or all of the acid gas.
Standard Test For Ash From Petroleum Products , D482Student
Standard Test For Ash From Petroleum Products , D482
Ash contents is defined as the inorganic residue that remains after combustion of the oil in air at specific high temperature. Ash ranges from 0.1% to 0.2%. The ash content of a fuel is a measure of the amount of inorganic noncombustible material it contains. Some of the ash forming constituents occur naturally in crude oil: others are present as a result of refining or contamination during storage or distribution. For instance, it could be due to the presence of compounds of the following elements: vanadium, sodium, calcium, magnesium, zinc, lead, iron, nickel. Or it could be picked up by the crude oil during storage and handling. Metals content above 200 ppm are considered to be significant but the variations are very large. The higher the ash content the higher is the tendency of the crude oil to form sludge or sediment. Oils containing more than 0.05% ash are considered high ash oils; those containing less than 0.02% ash are considered low ash oils.
Prepared By Yasir Albeatiy
2014 polymer activation by reducing agent absorption as a flexible tool for t...Alexandra Bautista
Electroless plating is a powerful wet-chemical method for the fabrication
of metal thin films on arbitrarily shaped substrates [1]. Despite its
relative simplicity just involving the immersion of a work piece in a
deposition solution, electroless plating is suitable for the creation of
macroscopic [1] aswell as intricate nanoscale structures [2–5]. Depending
on the type of substrate and depositedmetal, the obtained materials
can be utilized in various fields, including electronics, wear and corrosion
resistance, medical technology and catalysis [1,6]. The special
properties of electrolessly plated metal nanomaterials give rise to
particularly interesting applications such as molecular separation
[4] or microreactors
An Experimental Analysis of Performance, Combustion and Emission Characteris...IJMER
Bio-diesel is one of the most promising alternatives for diesel needs. Use of edible oils may
create shortage of oil for daily food. This required identification of new kinds of non-edible vegetable oil.
With this objective, the present work has focused on the performance, combustion and emission
characteristics of diesel engine using simarouba oil and its blends with diesel. In this investigation, the
blends of varying proportions of simarouba biodiesel with diesel (S20, S40, S60, S80 & S100) were
prepared, analyzed, and compared the performance, combustion and exhaust emission with diesel using
5.2 kW Single cylinder, 4stroke diesel engine. The performance, combustion and emission characteristics
of blends are evaluated at variable loads and constant rated speed of 1500 rpm and found that the
performance of S20 blend of simarouba oil gives result, that is near to the diesel and also found that the
emission CO, HC, & NOX of this blend is less than the diesel.
Experimental investigation and optimization study of combustion chamber geome...IJERD Editor
An experimental investigation and optimization study of various piston geometries was conducted
on Greaves single cylinder direct injection compression ignition engine using straight diesel and blends of rice
bran biodiesel. The three combustion chamber geometries used in this study were Standard toroidal piston
(STP), hemispherical bowl piston (HBP) and Shallow toroidal re-entrant piston (STRP) at compression ratios of
18:1, 19.04:1 and 16.4:1 respectively. Rice bran biodiesel was derived by two step trans-esterification process
with an optimum yield of 86% with molar ratio 1:6, 06% of catalyst (KOH), 90 min reaction time and 65oC
reaction temperature. The performance parameters like brake specific energy consumption, brake thermal
efficiency and the emission parameters like carbon monoxide, unburned hydrocarbons and oxides of nitrogen
were analysed in detail. It was noticed that the BSEC of STRP was 12.1% with diesel and 14.02% with B100
biodiesel blend. The brake thermal efficiency was also found to be improved with biodiesel blend with STRP on
comparison with STP and HBP. The carbon monoxide and hydrocarbon emission was found to decrease with
STRP geometry were as HBP exhibited negative improvement. NOx emission was also found to increase with
STRP.
An Experimental Analysis of Performance, Combustion and Emission Characteris...IJMER
The use of biodiesel, the methyl esters of vegetable oils are becoming popular due to their
low environmental impact and potential as a green alternative fuel for diesel engine. With this objective,
the present work has focused on the performance and emission characteristics of diesel engine using
rice bran oil and its blends with diesel. In this investigation, the blends of varying proportions of rice
bran biodiesel with diesel (RB20, RB40, RB60, RB80 & RB100) were prepared, analyzed, and compared
the performance and exhaust emission with diesel using 5.2 kW Single cylinder, 4stroke diesel engine.
The performance and emission characteristics of blends are evaluated at variable loads and constant
rated speed of 1500 rpm and found that the performance of RB20 blend of rice bran oil gives result, that
is near to the diesel and also found that the emission CO, CO2, HC, smoke & NOX of this blend is less
than the diesel.
Natural Gas (from a natural reservoir or associated to a crude production) can contain acid gas (H2S and/or CO2)..
The Gas Sweetening Process aims to remove part or all of the acid gas.
Standard Test For Ash From Petroleum Products , D482Student
Standard Test For Ash From Petroleum Products , D482
Ash contents is defined as the inorganic residue that remains after combustion of the oil in air at specific high temperature. Ash ranges from 0.1% to 0.2%. The ash content of a fuel is a measure of the amount of inorganic noncombustible material it contains. Some of the ash forming constituents occur naturally in crude oil: others are present as a result of refining or contamination during storage or distribution. For instance, it could be due to the presence of compounds of the following elements: vanadium, sodium, calcium, magnesium, zinc, lead, iron, nickel. Or it could be picked up by the crude oil during storage and handling. Metals content above 200 ppm are considered to be significant but the variations are very large. The higher the ash content the higher is the tendency of the crude oil to form sludge or sediment. Oils containing more than 0.05% ash are considered high ash oils; those containing less than 0.02% ash are considered low ash oils.
Prepared By Yasir Albeatiy
2014 polymer activation by reducing agent absorption as a flexible tool for t...Alexandra Bautista
Electroless plating is a powerful wet-chemical method for the fabrication
of metal thin films on arbitrarily shaped substrates [1]. Despite its
relative simplicity just involving the immersion of a work piece in a
deposition solution, electroless plating is suitable for the creation of
macroscopic [1] aswell as intricate nanoscale structures [2–5]. Depending
on the type of substrate and depositedmetal, the obtained materials
can be utilized in various fields, including electronics, wear and corrosion
resistance, medical technology and catalysis [1,6]. The special
properties of electrolessly plated metal nanomaterials give rise to
particularly interesting applications such as molecular separation
[4] or microreactors
In the United States, 53 percent of all the roads are unpaved. That translates into 1.6 million miles of unpaved roadways most of which are gravel roads. Currently they are being exposed to increased amounts of agricultural and industrial traffic. Also the problem of fugitive dust causes the loss of fine, binding material which increases the amount of floating aggregate and the tendency to develop washboards or corrugations. With use, fine and course portions of the aggregate segregate which also diminishes road performance. As the aggregate sources have been depleted and reduced in quality, unpaved roads increasingly have performance and economic challenges. The use of Recycled Asphalt Pavement (RAP) on gravel roads helps to improve the overall performance and life. Past studies also show substantial dust reduction when RAP is included in the road surface. However no clear relationship or methodology has been established to understand the connection between the RAP percentage and performance.
Warm Mix Asphalt - Paving the Green WayShu Wei Goh
Field Evaluation of Warm Mix Asphalt - A technology that allowed the producers of Hot-Mix Asphalt (HMA) pavement material to lower the temperatures at which the material is mixed and placed on the road.
As Warm Mix Asphalt (WMA) moves into the mainstream, hear the latest research on WMA performance from the respected National Center for Asphalt Technology, which puts various pavement technologies to the test under live traffic on a test track in Alabama.
Thesis defense presentation of Justin Phillips (SDSU). "The Role of Relatedness and Autonomy in Motivation of Youth Physical Activity: A Self-Determination Perspective."
This power point pres will be useful for all the budding PhD aspirants who are preparing for their viva irrespective of their subject. Good Luck & All the Best !
Warm Mix Asphalt training documents provided by the National Center for Asphalt Technology (NCAT) for classes held June 26 & 27, 2013 in California, sponsored by the California Asphalt Pavement Association (CalAPA).
At the California Asphalt Pavement Association (CalAPA) Spring “Technical Tune-Up” Educational Workshop held April 5, 2022 in Brea, a presentation titled, "Warm Mix Asphalt Focus, by Cameron Richardson, Technical Marketing Manager, Ingevity. An experienced expert will provide best practices on the use of WMA to maximize the benefits of this technology.
He will cover all aspects from mix design, through production and finishing with compaction.
Axeon Refining’s warm mix asphalt product offers new advantages to asphalt contractors and road building engineers with zero capital investment. By lowering pavement placement temperatures, the jobsite becomes a more comfortable, odor-free working environment leading to increased productivity
Lubricated Air Compressors - Operating and Maintenance Procedures Required to...Gerard B. Hawkins
Lubricated Air Compressors - Operating and Maintenance Procedures Required to Avoid Fires and Explosions
0 INTRODUCTION/PURPOSE
1 SCOPE
2 FIELD OF APPLICATION
3 DEFINITIONS
4 MODEL INSTRUCTIONS FOR OIL LUBRICATED
RECIPROCATING AIR COMPRESSORS
4.1 Introduction
4.2 Lubricating Oil
4.3 Oil consumption
4.4 Operating Discharge Temperatures
4.5 High Discharge Temperature Trips
4.6 External Visual Inspection of Pipework
4.7 Routine Removal of Carbon Deposits
5 MODEL INSTRUCTIONS FOR OIL FLOODED ROTARY COMPRESSOR
5.1 Introduction
5.2 Lubricating Oil
5.3 Oil Consumption
5.4 Oil Change Frequency
5.5 Separator Element Change Frequency
5.6 Operating Discharge Temperatures
5.7 High Discharge Temperature Trip
6 LOG SHEETS
APPENDICES
A EXPLANATORY NOTES FOR RECIPROCATING COMPRESSORS
B EXPLANATORY NOTES FOR OIL FLOODED ROTARY COMPRESSORS
An orientation on changes to Caltrans asphalt pavement specifications to incorporate elements of the national "Superpave" standard. Presented by Joe Peterson, chief, Office of Roadway Materials Testing for Caltrans at the Dec. 3, 2014 CalAPA L.A. and High Desert Technical Committee meeting in Fontana.
Boge Compressed Air Treatment Products Scottwoodward
BOGE compressed air treatment products have been designed to work in perfect harmony with
the compressor range to provide the optimal, most effective and efficient compressed air quality with options available to meet the highest air quality
requirements.
Integration of Special Purpose Reciprocating Compressors into a ProcessGerard B. Hawkins
1 SCOPE
2 CHOICE OF COMPRESSOR TYPE
2.1 Parameters
2.2 Preliminary Choice of Machine Type
2.3 Review of Other Types of Compressor
3 CHOICE OF NUMBER OF COMPRESSORS
3.1 Influence of Reliability Classification
3.2 Driver Considerations
3.3 Deterioration of Standby Machines
4 EFFECTS OF PROCESS GAS COMPOSITION
4.1 Particulate Contamination
4.2 Droplets in Suspension
4.3 Polymer Deposit
4.4 Molecular Weight Variation
4.5 Compressibility Variation
4.6 Gas Dryness
4.7 Gas Solution in Lubricating Oil for Cylinder and Gland
5 THROUGHPUT REGULATION
5.1 Inlet Line Throttle Valve
5.2 Inlet Line Cut-off Valve
5.3 Compressor Inlet Valve Lifter
5.4 Clearance Volume Variation
5.5 Speed Variation
5.6 Bypass
5.7 Hybrid Regulation Systems
6 PRINCIPAL FEATURES
6.1 Calculate Discharge Gas Temperature
6.2 Choice of Number of Stages
6.3 Configuration
6.4 Valve Operation Limit on Piston Speed
6.5 Limits for Mean Piston Speed
6.6 Estimation of Volumetric Efficiency
6.7 Estimation of Crankshaft Rotational Speed
6.8 Calculation of Piston Diameter
6.9 Choice of Number of Cylinders
7 DRIVER TYPE
7.1 Electric Motors
7.2 Steam Turbines
7.3 Special Drivers
8 VESSELS
APPENDICES
A RELIABILITY CLASSIFICATION
B CONDITIONS FOR LUBRICATED CYLINDERS AND GLANDS
C ESTIMATE OF LUBE OIL CONTAMINATION OF PROCESS GAS
D INFLUENCE OF GAS COMPOSITION AND MACHINE CONSTRUCTION
ON FILLED PTFE PISTON RING SEALS
E LIMITS ON GAS TEMPERATURES
FIGURES
1 SELECTION CHART
2 DESIGN SEQUENCE 1 - ESTIMATE NUMBER OF STAGES
3 DESIGN SEQUENCE 2 - ESTIMATE CYLINDER SIZES
Erik Updyke with the Los Angeles County Department of Public Works, and a member of the Greenbook Committee, gives an update at the CalAPA Spring Conference & Equipment Expo April 12-13, 2017 in Ontario, Calif. The topic is on the latest update of the Greenbook specification book for public works agencies in California.
Reciprocating Compressors - Protection against Crank Case ExplosionsGerard B. Hawkins
Reciprocating Compressors - Protection against Crank Case Explosions
1 SCOPE
2 OIL MIST/AIR MIXTURE EXPLOSIONS
3 PREVENTION AND PROTECTION
3.1 Design
3.2 Maintenance and Operation
FIGURES
1 FLAMMABILITY LIMITS AND SPONTANEOUS IGNITION REGION FOR MIXTURES OF LUBRICATING OIL VAPOR IN AIR.
Naphtha Steam Reforming Catalyst Reduction by NH3 CrackingGerard B. Hawkins
Procedure for Naphtha Steam Reforming Catalyst Reduction by NH3 Cracking
Scope
This procedure applies to the in situ reduction of VULCAN Series steam reforming catalysts using ammonia cracking to form hydrogen over the catalyst in the steam reformer. This procedure covers plants with a dry gas circulation loop for reduction. The procedure is likely to be applied to plants using only heavier feeds (e.g.: LPG and/or naphtha) and some combination of VULCAN Series catalysts.
Introduction
A small number of steam reforming plants do not have an available source of the commonly used reducing media (e.g.: hydrogen, hydrogen-rich off-gas, natural gas). These plants will usually operate on LPG and/or naphtha feed only where cracking of this hydrocarbon is not usually advised for reduction of the steam reforming catalyst. In such circumstances, the plant may be designed to use the installed steam reforming catalyst to crack ammonia to provide hydrogen for the reformer catalyst reduction....
Presentation on Warm Mix Asphalt (WMA) delivered by Brandon Milar of MeadWestvaco at the CalAPA joint industry-agency Technical Committee meeting Dec. 10, 2014 in San Diego.
Dan Staebell with Cargill examines the use of WMA, RAP and other technologies to lower asphalt's carbon footprint in a presentation delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Marco Estrada with PRS provides an industry perspective of cold in-place recycling in a presentation delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Dr. Dave Jones of the University of California Pavement Research Center provides an academic perspective of in-place recycling in a presentation delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Larry Hernandez with Caltrans provides the department's perspective on in-place recycling in a presentation delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Dr. John Harvey, director, University of California Pavement Research Center, reviews the most recent research with regard to Reclaimed Asphalt Pavement during a presentation delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Erik Updyke, project manager for the City & County Pavement Improvement Center, focuses on pavement quality for local agencies in a presentation delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Buzz Powell, technical director, Asphalt Pavement Alliance, examines various trends in the industry from a national perspective in a presentation delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Chris Sparks with MacRebur delves into the utilization of reclaimed plastics into asphalt pavement mixes delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Scott Dmytrow with PavementACES, a noted pavement preservation expert, provides an update on various tools and techniques in the pavement preservation space delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Presentation by Joseph Dongo of Caltrans on the department's eTicketing initiative for construction materials transport delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Alex Richardson with Haul Hub delivers a presentation on eTicketing technology delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Presentation on Environmental Product Declarations and benchmarking delivered by Amlan Mukherjee of WAP Sustainability during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario.
Presentation by Cathrina Barros of Caltrans, co-chair of the Women of Asphalt California Branch, on Women of Asphalt Activities in 2023 and 2024 delivered during the CalAPA Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario
Presentation on the City & County Pavement Improvement Center delivered at the California Asphalt Pavement Association Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Presentation by Sean Devine of X-B-E on the "Hey NAPA" research tool utilizing AI technology, and other implications of AI for our industry, delivered at the California Asphalt Pavement Association Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
An overview of the Caltrans District 8 program and priorities delivered at the California Asphalt Pavement Association Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Update on the Joint Training & Certification Program for materials technicians in California delivered at the California Asphalt Pavement Association Spring Asphalt Pavement Conference March 7-8, 2024 in Ontario, Calif.
Presentation on "Pointers & TIps" related to Environmental Product Declarations (EPDs) from the perspective of an asphalt plant expert delivered by T.J. Young at the CalAPA EPD workshop on Oct. 25, 2023 in Sacramento.
Presentation titled "The Emerald Eco-Label Tool & Lessons Learned" delivered by Amlan Mukherjee, Ph.D., P.E. of WAP Sustainability Consulting at the CalAPA EPD workshop on Oct. 25, 2023 in Sacramento.
Presentation on the national perspective on Environmental Product Declarations (EPDs) delivered by Joseph Shacat of the National Asphalt Pavement Association (NAPA) at the CalAPA EPD workshop on Oct. 25, 2023 in Sacramento.
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2. 2
Warm Mix Asphalt
Warm Mix Asphalt (WMA) refers to asphalt mixtures produced
at temperatures approximately 30°F (17°C) or more below
those typically used in production of HMA. Temperature
reductions may be achieved through approved additives
and/or water injection systems. A common spec requirement
is a maximum mixing temperature of 275 F.
All specification requirements for HMA shall apply to WMA
except as noted herein.
The mixture shall be produced with a WMA technology from
the approved list and in accordance with the WMA technology
provider’s guidelines for dosage rate, plant mixing
temperature, and laboratory compaction temperature.
3. 3
Warm Mix Asphalt
An approved HMA mix design may be used for the WMA
provided that:
a. The asphalt absorption of the HMA mix design is less
than 2.0%, and
b. An initial field trial of the WMA produced with the plant
designated for the mix design meets all asphalt mixture
specifications.
If either a or b are not met, then the WMA shall be designed in
accordance with the procedures and criteria in NCHRP Report
691.
The WMA mix design submitted by the contractor shall include
the name of the WMA technology, dosage rate, plant mixing
temperature, and laboratory compaction temperature.
4. 4
Warm Mix Asphalt
The antistrip-additive may be eliminated from the WMA
mixture provided that:
a. The WMA additive contains active antistripping
components as certified by the WMA technology
provider.
b. The WMA mixture without an additional antistripping
agent meets the standard HMA moisture damage test
criteria.
5. 5
Warm Mix Asphalt
Plant operations for WMA production
The burner shall be properly tuned to operate at the WMA
mix temperature such that the fuel is entirely consumed in
the combustion zone of the drier. Production shall
immediately cease if evidence of uncombusted fuel is
detected in the produced asphalt mixture or in the
baghouse.
The plant discharge temperature of the WMA shall be
within 20°F of the temperature designated on the WMA
mix design. During plant start up or at project transition
points, the mix temperature may be above the designated
WMA mix temperature, but no greater than 340°F.
6. 6
Warm Mix Asphalt
Plant operations for WMA production
The addition of WMA additives, including water, shall be
controlled by a calibrated metering system interlocked with
the plant’s controls.
Chemical additives may be added at the asphalt terminal at
the dosage rate recommended by the WMA technology
provider. The dosage rate and additive name shall be
printed on the Bill of Lading for the asphalt binder.