US5053118A Bitumen extraction from asphalt pavements

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US5053118A - Bitumen extraction from asphalt pavements ...

Bitumen extraction from asphalt pavements Download PDF Info Publication number US5053118A. US5053118A US07/546,887 US54688790A US5053118A US 5053118 A US5053118 A US 5053118A US 54688790 A US54688790 A US 54688790A US 5053118 A US5053118 A US 5053118A Authority US United States Prior art keywords solvent procedure housing bitumen alicyclic hydrocarbon Prior

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Bitumen extraction from asphalt pavements - Patent US ...

US-5053118-A chemical patent summary.

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US Patent for Bitumen extraction from asphalt pavements ...

This invention concerns bitumen extraction of an asphalt pavement, useful in the determination of the composition of the pavement, with a procedure and apparatus therefor. BACKGROUND . Various organizations to include the various departments of transportation and the like, for example, throughout the U.S.A., Canada, and so forth, perform numerous asphalt extraction tests yearly for quality ...

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Bitumen extraction from asphalt pavements - HOUSER; THOMAS

02/07/1990  A procedure for bitumen extraction from an asphalt pavement sample comprising contacting the asphalt pavement sample with an alicyclic hydrocarbon solvent and under subcritical conditions at an extranormal temperature and pressure extracting bitumen values from the asphalt pavement sample thereby. 2. The procedure of claim 1, wherein the alicyclic hydrocarbon solvent is a

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bitumen extraction using trichloroethylene

US5053118A - Bitumen extraction from asphalt This invention concerns bitumen extraction of an ... have been found to be effective and are extensively used are trichloroethylene (TCE), 1,1,1 ... Extraction of Chemical Constituents of Bitumen Using a ... Hellwege patented the use of trichloroethylene as a solvent in conjunction with a small amount ... potential solvent for bitumen extraction ...

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A novel method of bitumen extraction from asphalt pavement ...

01/07/1990  OSTI.GOV Conference: A novel method of bitumen extraction from asphalt pavement

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US Patent for Bitumen extraction from asphalt pavements ...

This invention concerns bitumen extraction of an asphalt pavement, useful in the determination of the composition of the pavement, with a procedure and apparatus therefor. BACKGROUND . Various organizations to include the various departments of transportation and the like, for example, throughout the U.S.A., Canada, and so forth, perform numerous asphalt extraction tests yearly for quality ...

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Bitumen extraction from asphalt pavements - HOUSER; THOMAS

02/07/1990  A procedure for bitumen extraction from an asphalt pavement sample comprising contacting the asphalt pavement sample with an alicyclic hydrocarbon solvent and under subcritical conditions at an extranormal temperature and pressure extracting bitumen values from the asphalt pavement sample thereby. 2. The procedure of claim 1, wherein the alicyclic hydrocarbon solvent is a

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A novel method of bitumen extraction from asphalt pavement ...

01/07/1990  OSTI.GOV Conference: A novel method of bitumen extraction from asphalt pavement

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extraction process of aggregate

US5053118A Bitumen extraction from asphalt pavements . Washes with ambient solvent may be carried out with vacuum filtration to complete the extraction. Remaining aggregate is dried and weighed, and the solvent may be distilled from the extract plus washings to get a direct measure of bitumen content. Recovered bitumen may be . Get Price

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DURABILITY OF POLYMER MODIFIED BINDERS IN ASPHALT PAVEMENTS

EN 12607-1) and the Pressure Aging Vessel (PAV, EN 14769), and extraction of binders from asphalt pavements. For binder extraction and recovery, the European standards EN 12697-1 and EN 12697-3 were followed. The solvent used was dichloromethane. In addition, air void contents of the field samples were determined in accordance with EN 12697-8.

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Bitumen Extraction - Practical \u201cEXTRACTION OF BITUMEN ...

View Bitumen Extraction.docx from CIVIL ENGI 402 at U.E.T Taxila. Practical # _ “EXTRACTION OF BITUMEN FROM ASPHALT” Scope: This test method is used to determine the percentage of bitumen

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bitumen extraction using trichloroethylene

Use of trichloroethylene as extraction solvent for bitumen in asphalt analysis 0.1 1 Laboratory asphalt analysis in closed device Update 2019 ACTIVE NA 22/08/2018 03/12/2018 Hilgarth asphalt GmbH Germany Wolsau 28 95615 Marktredwitz Use of trichloroethylene as extraction solvent for bitumen in asphalt analysis 0.01 0.1 NA NA ACTIVE NA. Automatic bitumen extractor Geo-Con Products .

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EP0768362A1 - Process and apparatus to separate bitumen ...

In a process for separating bitumen from asphalt for the purpose of analytical determination of the bitumen content of the asphalt, hot water is used as a solvent and the separation takes place at temperatures of 300 to 450 degrees C and at pressures of 86 to 220 bar. Also claimed is an apparatus in which a sample container (2) for high mol. wt. hydrocarbons and an insert (7) inside an ...

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(PDF) Polymer modified bitumen asphalt, a proposed ...

Weights from extraction of bitumen test ... Polymer modified bitumen, asphalt pavements, pavement deterioration . Introduction . Due to the fast pace of development in the United Arab Emirates in ...

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Gradation and Size – Pavement Interactive

Provide adequate volume for the binder (asphalt binder or portland cement) to occupy. Promote rapid drainage and resistance to frost action for base and subbase courses. Therefore, although it may not be the “best” aggregate gradation, a maximum density gradation does provide a common reference. A widely used equation to describe a maximum density gradation was developed by Fuller and ...

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A novel method of bitumen extraction from asphalt pavement ...

01/07/1990  OSTI.GOV Conference: A novel method of bitumen extraction from asphalt pavement

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A HIGH PRESSURE METHOD OF BITUMEN EXTRACTION FROM ASPHALT ...

(1992). A HIGH PRESSURE METHOD OF BITUMEN EXTRACTION FROM ASPHALT PAVEMENT. Fuel Science and Technology International: Vol. 10, No. 4-6, pp. 565-580.

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Download A High Pressure Method Of Bitumen Extraction From ...

Download full A High Pressure Method Of Bitumen Extraction From Asphalt Pavement books PDF, EPUB, Tuebl, Textbook, Mobi or read online A High Pressure Method Of Bitumen Extraction From Asphalt Pavement anytime and anywhere on any device. Get free access to the library by create an account, fast download and ads free. We cannot guarantee that every book is in the library. A High

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extraction process of aggregate

US5053118A Bitumen extraction from asphalt pavements . Washes with ambient solvent may be carried out with vacuum filtration to complete the extraction. Remaining aggregate is dried and weighed, and the solvent may be distilled from the extract plus washings to get a direct measure of bitumen content. Recovered bitumen may be . Get Price

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Bitumen Extraction - Practical \u201cEXTRACTION OF BITUMEN ...

View Bitumen Extraction.docx from CIVIL ENGI 402 at U.E.T Taxila. Practical # _ “EXTRACTION OF BITUMEN FROM ASPHALT” Scope: This test method is used to determine the percentage of bitumen

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(PDF) Polymer modified bitumen asphalt, a proposed ...

Weights from extraction of bitumen test ... Polymer modified bitumen, asphalt pavements, pavement deterioration . Introduction . Due to the fast pace of development in the United Arab Emirates in ...

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Rejuvenation of aged asphalt binder extracted from ...

01/12/2019  A reclaimed asphalt pavement that was obtained from milling an old pavement was used. The old pavement was constructed in 2012 in KUT city/Iraq which makes the RAP be 6 years old. The original asphalt binder that was used in this pavement was 40/50 asphalt binder and its properties are shown in Table 1. Table 1. Historical tests result of the original 40/50 asphalt binder. Property Iraqi ...

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Recycled Tyre Rubber Modified Bitumens for road asphalt ...

01/12/2013  The use of RTR in asphalt pavements started 170 years ago, with an experiment involving natural rubber with bitumen in the 1840s , attempting to capture the flexible nature of rubber in a longer lasting paving surface. In 1960s scrap tyres were processed and used as a secondary material in the pavement industry. One application was introduced by two Swedish companies which produced a

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A Rapid Method for Checking the Bitumen Content of Asphalt

construction of the asphalt pavements. This is undertaken in order to ensure that the desired quality is obtained as well as to detect any problems in the asphalt manufacturing process timeously. It is therefore necessary to ensure that bitumen content test results are accurate and reliable. In practice bitumen content tests are generally sufficiently accurate and reliable. However, this is ...

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Lignin as a green alternative for bitumen Request PDF

Methods The processes considered within the asphalt road pavement product system were extraction and processing of sand, gravel, and pitch; transportation of these inputs; and machinery use and ...

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