asphalt extraction

Asphalt Content Testing: Solvent Extraction vs Ignition Furnace

Gilson Insights blog post infographic provides comparison between solvent extraction and furnace ignition methods for asphalt content testing.

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Asphalt Extraction Study - wsdot

Asphalt Extraction Study. WA-RD 1651. Task Report. NOWember 1988. V7 Washington State Department of Transportation. V Planning, Research and Public Transportation in COOperation with the. United States Department of Transportation. Federal Highway Administration...

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Asphalt Extraction Solvent | Solvent Extraction Of Asphalt

EnSolv® - nPB based solvent from Enviro Tech that can be used for asphalt extraction using various methods. For more info contact Enviro Tech today!

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Asphalt Extraction Solvent >> Reliance Specialty Products

Safely replace trichloroethylene (TCE) and methylene chloride for asphalt extraction with EnTron-AE. EnTron-AE is an n-propyl bromide (nPB) based solvent which is safer to use and more environmentally friendly then the chlorinated solvents typically used in asphalt extraction applications. Use of EnTron-AE will use less...

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Selection of an Alternative Asphalt Extraction Solvent - Minnesota ...

The asphalt extraction solvent n-Propyl Bromide (nPB) was selected as an alternative solvent to the currently used d-Limonene and Trichloroethylene (TCE), based on a literature search, communication with asphalt technology experts, and a laboratory investigation. With proper handling techniques and training, nPB can...

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Bitumen & Asphalt Extraction - Pavertrend | Asphalt | Hot Mix ...

Asphalt & Bitumen Extraction. The three major test methods, solvent extraction, nuclear asphalt content gauge and ignition furnace are discussed here. Each method offers a way to determine asphalt content and aggregate gradation from an HMA sample. The asphalt content and gradation test can be used for HMA quality...

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Determining Asphalt Content of Bituminous Mixtures by Extraction

DETERMINING ASPHALT CONTENT OF. BITUMINOUS MIXTURES BY EXTRACTION. TxDOT Designation: Tex-210-F. Effective Date: November 2016. 1. SCOPE. 1.1. Use this test method to determine the percentage of asphalt in a paving mixture based on the weight of an asphalt and aggregate mixture. This method has...

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Asphalt Binder and Characterization | Pavement Interactive

The asphalt content and gradation test can be used for HMA quality control, acceptance testing or forensic analysis. The three major test methods, solvent extraction, nuclear asphalt content gauge and ignition furnace are discussed here. Each method offers a way to determine asphalt content and aggregate gradation from...

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Automatic bitumen extractor , Asphalt/bituminous mixture testing ...

Automatic bitumen extractor : Controls asphalt/bituminous mixture testing equipment. Enter now!

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The asphalt content and gradation test can be used for HMA quality ...

Measuring Asphalt Binder Content. (from the WSDOT Pavement Guide). The asphalt content and gradation test can be used for HMA quality control, acceptance or forensic analysis. The three major test methods, solvent extraction, nuclear and ignition furnace are discussed here. Each method offers a way to determine...

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Asphalt Analyzer Automated Binder Extraction - InfraTest USA Inc.

Equipped with a second solvent circuit allows the device the extraction of asphalt mixtures as standalone procedure with the washing chamber or the extraction in the vertical standing unit with an automatic decantation system.

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use of normal propyl bromide solvents for extraction and recovery of ...

Nov 6, 2000 ... The contents of this report reflect the views of the authors who are solely responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views and policies of the National Center for Asphalt Technology of Auburn. University. This report does not...

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Automated Extraction of Asphalt Binder

Internal Evaluation. Binder Extraction – AASHTO T164. *Reflux Extraction did not include a mineral matter determination. **Error bars are based on AASHTO T164 d2s. 3.5. 4. 4.5. 5. 5.5. Sample 1. Sample 2. Sample 3. Sample 4. % Bin der. Automated Extraction. Reflux Extraction...

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US5053118A - Bitumen extraction from asphalt pavements - Google ...

The composition of asphalt pavements can be determined through bitument extraction, employing an alicyclic hydrocarbon as extractant under subcritical conditions. For example, cyclohexane is so employed in conjunction with an apparatus hereof.

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EnSolv EX | Asphalt Extraction Solvents From EnviroTech Europe

Environmentally friendly and safe asphalt extraction solvents formulated in response to a need for a safer asphalt extraction solvent to Trichloroethylene. EnSolv EX solvents are approved by AASHTO for the extraction of bitumen from bituminous asphalts.

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Centrifuge Extractors, ASTM D2172 - Humboldt Mfg

Centrifuge Extractors are used for quantitative determination of bitumen content in paving mixtures. These units require a relatively short processing time, which includes weighing the asphalt sample, heating the sample slightly until it starts crumbling, cooling the sample, placing it in the centrifuge extractor's rotor bowl and...

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Extraction of bitumen, crude oil and its products from tar sand and ...

In the present paper, the kinetics of the water extraction of bitumen from tar sand and crude oil or residual fuel oil from model contaminated soils under the effect of ultrasound is studied. The influence of process temperature, ultrasound power, the nature, and properties of the components of heterogeneous mixtures being...

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Asphalt Release Agents, Extraction Solvents & Cleaners | Hydro ...

Developed over a year of extensive research, our line of asphalt release agents & cleaners/extraction solvents have revolutionized the industry. We have effectively eliminated the need for environmentally unfriendly solvents, petroleum distillates and soy based asphalt release agents which strip the oil from the aggregate.

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Alternatives for Benzene in the Extraction of Bitumen Fume ... - NCBI

Ann Occup Hyg. 2016 Jan;60(1):101-12. doi: 10.1093/annhyg/mev068. Epub 2015 Sep 23. Alternatives for Benzene in the Extraction of Bitumen Fume from Exposure Sample Media. Sutter B(1), Ravera C(2), Hussard C(2), Langlois E(2). Author information: (1)Pollutants Metrology Department, Institut National de Recherche...

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Effect of Extraction Residue on the Properties of Asphalt Binders

Abstract- The present study investigates the influence of extraction residue on the properties of aged and unaged asphalt binders. The extraction residues such as trichloroethylene and mineral filler were varied in selected range of percentage (0.5, 1, 1.5 and 2%) and their effect was comprehended in the ductility, softening...

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Repeatability and recovered testing of AC | Asphalt magazine

The next issue that must be addressed is the extraction process and the effect of the extraction solvents of the properties of the asphalt cement. There are many different solvents that could be used and all affect the asphalt cement to differing degrees. ASTM International recently published “ASTM D7906-14, Standard...

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department of transportation method of test for ... - Caltrans

METHOD OF TEST FOR DETERMINATION OF ASPHALT AND. MOISTURE CONTENTS OF BITUMINOUS MIXTURES. BY HOT SOLVENT EXTRACTION. CAUTION: Prior to handling test materials, performing equipment setups, and/or conducting this method, testers are required to read “SAFETY AND HEALTH” in Section...

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Extraction and recovery of polymer modified bitumen

differences measured between Xinhai and recovered PmB were remarkably small for most binder and solvent combinations. In a second step, the extraction process was verified on a semi-dense asphalt concrete. Again, in most cases the properties of recovered binders showed little difference concerning penetration and...

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Centrifuge Extractors (Asphalt) - Durham Geo

This process is repeated until the solvent is clear in color, indicating bitumen extraction is complete. Aggregates are then weighed and graded and mineral content of extract determined. Centrifuge is made of lightweight cast aluminum and treated for corrosion resistance. Comes complete with aluminum bowl, cover and 25...

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Alternatives for Benzene in the Extraction of Bitumen Fume from ...

Sep 23, 2015 ... ABSTRACT. Benzene is frequently used to extract collected bitumen fumes from personal sampler substrates. However, this solvent is particularly dangerous because of its carcinogenicity (group 1 of the. International Agency for Research on Cancer classification). Therefore, to prevent the exposure of.

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METHODS OF SAMPLING AND TESTING

Jun 1, 2004 ... EXTRACTION OF BITUMINOUS MIXES. (Modified AASHTO T164 Method A). 1. Scope: 1.1. This method of test is used for quantitative determinations of bitumen in hot-mixed paving mixtures and pavement samples for specification acceptance, service evaluation, control and research. 2. Apparatus: 2.1.

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The Variation Test and Extraction Equipment to Optimum Asphalt by ...

Abstract: Based on the Binamarga Specification 2010 at third revision, the extraction test should be carried out using the specimen from the loose asphalt mixture extracted from the back of the finisher bitumen machine. The purpose of this research is to find out the result of pretest and posttest extraction asphalt content.

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Developing a Laboratory Protocol for Asphalt Binder Recovery

Asphalt binder extraction and recovery are common laboratory procedures used to provide material for research and quality assurance testing. The most common methods of recovery performed today include the Abson method and the rotary evaporator. (or Rotavap) method. The purpose of this study was to compare the...

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Asphalt

Bituminous Extraction Solvents: ASTEC has a full range of asphalt extraction solvents to cover the various State D.O.T. requirements. They are also excellent cleaning agents for asphalt production and testing equipment. The three most popular are: EXCEL CLEAN HD is a biodegradable, citrus based, water rinseable...

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Evaluation of reclaimed asphalt pavement binder stiffness without ...

A new testing procedure to estimate the low-temperature stiffness of the reclaimed asphalt pavement (RAP) binder was developed. In the testing procedure, the Superpave™ Bending ... Evaluation of reclaimed asphalt pavement binder stiffness without extraction and recovery. Authors; Authors and affiliations. Tao Ma (马...

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Evaluation of binder recovery methods and the ... - ResearchGate

In hot mix asphalt, binder extraction in combination with a recovery method is commonly used to evaluate the properties of a binder embedded in an existing pavement structure. In some countries, like Germany, specifications on the softening point and elastic recovery are legally required on polymer modified binders...

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APPEAL TESTING, Asphalt Content, Density and Gradation - Alberta ...

ATT-26, Sieve Analysis 20 000 Fm Minus. Core Density, Extraction and. ATT-12, Part III, Correction Factor,. Extraction Asphalt Content. Extracted Asphalt Content. Correction Factor (MAT 6-75). 3.0 PROCEDURE. 3.1 Sampling by the Contractor. When an appeal asphalt content correction factor is required, the Contractor.

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of asphalt fractions obtained by supercritical and solvent extraction

Supercritical extraction with n-pentane was used to separate asphalt into distinct fractions having different physical and compositional properties. A pilot-scale supercritical unit capable of processing thirty kilograms of asphalt per day was designed and fabricated specifically for asphalt fractionation. The operation and...

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Reflux Extraction Test Set - Analysis of Bituminous Mixtures - Utest ...

Product Code UTAS-0013 Reflux Extraction Test Set 1000 g, 220-240 V 50-60 Hz UTAS-0014 Reflux Extractor Jar 1000 g UTAS-0015 Reflux Extractor Condenser 1000 g UTAS-0016 Reflux ... The Reflux Extractor is used for the quantitative determination of bitumen in hot-mixed paving mixtures and pavement samples.

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Approved Asphalt Quality Control Technician Course Manual - Ohio ...

Utilizing the following Data given from this Laboratory Extraction and Gradation analysis along with the Nuclear Asphalt Content Gauge reading: A. Calculate the corrected gradation percentage and the corrected bitumen content of each sample increment. B. Combine the increments arithmetically to form the composite...

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Asphalt & Road Construction | Petroferm Cleaning Products

Vantage (formerly Vantage) supports the road construction industry with a line of solutions for extraction testing, asphalt releasing and general purpose clean-up. Product. Description. BIOACT AE-O. Asphalt Extraction Solution & Adhesive / Mastic Remover. The USDA Certified Biobased Product Label verifies this cleaner is...

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method of test for quantitative extraction of asphalt cement and ...

METHOD OF TEST FOR QUANTITATIVE EXTRACTION OF ASPHALT CEMENT AND ANALYSIS OF. EXTRACTED AGGREGATE FROM BITUMINOUS PAVING MIXTURES. LS-282 R30. ASTM D2172-11. Page 1 of 10. 4. APPARATUS. 4.1 BALANCES: Of sufficient capacity and sensitivity for miscellaneous weighing, with...

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Recovery of Heavy Hydrocarbons from Indonesian Carbonate ...

Oct 12, 2016 ... ABSTRACT: Quite different from the Canadian oil sands in oil content/composition, mineral composition, and particle size distribution, the carbonate Indonesian asphalt rocks (oil-wetted) are proven to be poorly extracted by the commercial hot-water- based extraction (7.8% bitumen recovery at 50 °C and...

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Using DSR and FTIR to Evaluate Asphalt Binder Extracted and ...

Sep 7, 2017 ... The asphalt content and aggregate gradation are critical factors related to the performance of asphalt mixtures. The solvent extraction is a traditional method which use chemical solvent to extract asphalt binder from the asphalt mixtures. However, there are some concerns on solvent extraction, for examples...

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Automatic binder extraction unit - Matest

Complete extraction in approx 25 minutes (3500 g mixture per extaction). Used to perform reliable analysis on bituminous mixtures using the perchloroethylene (PCE) or tetrachloroethylene solvent which is classified: R40 (not cancer producing*), for quantitative determination of binder or bitumen contained in pavement...

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