US5486554A Method and apparatus for treatment of asphalt
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US5486554A Method and apparatus for treatment of asphalt .

US5486554A - Method and apparatus for treatment

A low cost method for preparing foamed or aerated asphalt-rubber paving compositions is provided wherein a flowable mixture including respective quantities of asphalt and finally divided reclaimed rubber particles is first directed into a rocket-type reactor along with steam and/or water, thereby subjecting the mixture to conditions of elevated temperature, pressure and shear.

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Method and apparatus for treatment of asphalt and ...

Method and apparatus for treatment of asphalt and synthetic resins . United States Patent 5486554 . Abstract: A low cost method for preparing foamed or aerated asphalt-rubber paving compositions is provided wherein a flowable mixture including respective quantities of asphalt and finally divided reclaimed rubber particles is first directed into ...

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Method and portable apparatus for treating asphalt

A method and apparatus for treating paving material wherein the asphalt material is tumbled within an inclined drum so that it initially passes through the center portion of a stream of hot gases and is conveyed rearwardly and then is subsequently dropped through a more peripheral portion of the hot gas stream and conveyed rearwardly at a faster rate than it was initially.

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Method and apparatus for treatment of subsurface ...

OSTI.GOV Patent: Method and apparatus for treatment of subsurface formations

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US4750984A - Method of producing asphalt - Google

A method of producing high quality, homogenous asphalt comprising the steps of mixing and heating a hydrocarbon feedstock not normally suited for asphalt production with elemental sulfur and agitating the resulting mixture. A halide catalyst may be added to the mixture to promote the reaction of the hydrocarbon feedstock with the sulfur.

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Method of and apparatus for producing asphalt

Apparatus as defined in claim 13, wherein: said members are saturable by immersion in said solution of asphalt and solvent. Description: This invention relates to a method of and apparatus for the production of fiber board substantially saturated with asphalt, as for use in producing fiber expansion joint fillers.

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Method and apparatus for the treatment of

Apparatus and method for treatment of soil contaminated with hydrocarbons: 1987-05-26: Hardison et al. 110/236: 4576572: Apparatus and method for cleaning contaminated soil: 1986-03-18: Mueller et al. 432/13: 4427376: Apparatus for heating aggregate, recycled asphalt and the like: 1984-01-24: Etnyre et al. 432/105: 4207062: Heating and mixing ...

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Method and apparatus for dust control treatment -

Canadian Patent Application No. 886,069 describes a method of coal treatment in which an aqueous composition containing at least about 2.5% of a binder material consisting of solid material in an aqueous suspension of an asphalt emulsion or a black liquor lignin product containing 0.1 to 2.0% of an appropriate wetting agent results in the ...

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TLT – 301 (03) MIX DESIGN METHOD FOR ASPHALT

2017-7-21  1.1 This Method is used in the laboratory mix design of bituminous mixtures. This test method is for use with mixtures containing penetration and viscosity or performance grade asphalt cements and aggregate up to 25 mm maximum size. This method also addresses the treatment of reclaimed asphalt pavement (RAP) for mix design purposes (section 7).

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Improved Rice Method for Determining Theoretical

Rice method. This necessitates the use of a supplementary (dry­ back) procedure that is even more prone to testing errors. There is a need to improve the Rice method to avoid these problems. Two dense-graded asphalt paving mixtures (representing low-and high-absorption aggregates) and one AC-20 asphalt cement were used.

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Method and portable apparatus for treating asphalt

A method and apparatus for treating paving material wherein the asphalt material is tumbled within an inclined drum so that it initially passes through the center portion of a stream of hot gases and is conveyed rearwardly and then is subsequently dropped through a more peripheral portion of the hot gas stream and conveyed rearwardly at a faster rate than it was initially.

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Method and apparatus for reducing smoke emissions

OSTI.GOV Patent: Method and apparatus for reducing smoke emissions in an asphalt drum mixer Title: Method and apparatus for reducing smoke emissions in an asphalt drum mixer Full Record

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TLT – 301 (03) MIX DESIGN METHOD FOR ASPHALT

2017-7-21  1.1 This Method is used in the laboratory mix design of bituminous mixtures. This test method is for use with mixtures containing penetration and viscosity or performance grade asphalt cements and aggregate up to 25 mm maximum size. This method also addresses the treatment of reclaimed asphalt pavement (RAP) for mix design purposes (section 7).

Get Price

Patents Assigned to Cyclean, Inc. - Justia Patents Search

1994-1-14  Abstract: An apparatus and process is provided for the production of hot mix asphalt (HMA) by the treatment of virgin material alone or adding reclaimed or recycled asphalt pavement (RAP) of up to 100% of the HMA comprised of reclaimed asphaltic pavement (RAP). The HMA is first heated in either a parallel or a counter flow rotating drum which is supplied with hot combustion gases generated by ...

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Patents Assigned to Heritage Research Group - Justia ...

2019-8-23  Patents Assigned to Heritage Research Group. Void reducing asphalt membrane composition, method and apparatus for asphalt paving applications. Patent number: 10907309. Abstract: A method of sealing pavement joints includes the steps of dispensing a first band of void reducing joint composition on a substrate.

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Failure mechanism analysis of asphalt–aggregate

2017-8-31  In order to investigate the mechanical behavior of asphalt–aggregate systems subjected to direct shear loading and reveal the shear failure mechanism, four groups of direct shear tests were conducted on composite specimens under different experimental conditions with a self-manufactured direct shear test apparatus at 25 °C. Comparative studies were conducted to evaluate the effects of

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Improved Rice Method for Determining Theoretical

Rice method. This necessitates the use of a supplementary (dry­ back) procedure that is even more prone to testing errors. There is a need to improve the Rice method to avoid these problems. Two dense-graded asphalt paving mixtures (representing low-and high-absorption aggregates) and one AC-20 asphalt cement were used.

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Asphalt binder micro-characterization and testing ...

2020-2-1  Asphalt binder is a complex material whose chemical composition and structure determine its properties. Fourier Transform infrared spectroscopy (FTIR), Nuclear Magnetic Resonance (NMR), Gel Permeation Chromatography (GPC) and Atomic Force Microscopy (AFM) have been widely used as an efficient tool for detecting and analyzing asphalt binders at the molecular level.

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Effect of different aqueous solutions on

2021-6-7  The methodology of this study was shown in Fig. 1.First, the asphalt samples were obtained by immersion in five kinds of solutions at 60 ℃, including distilled water, pH 3 acid solution, pH 11 alkali solution, 10 wt% NaCl saline solution and 10 wt% Na 2 SO 4 saline solution. To distinguish the effects of thermal oxygen aging, 70A was processed under the same condition without aqueous ...

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Journal of Cleaner Production Industrial Ecology ...

5547492 Method for adsorbing and separating argon and hydrogen gases in high concentration from waste ammonia purge gas, and apparatus therefor : Cho Soon-Haeng; Chue Kuck-Tack; Kim Jong-Nam; Kim Kwon-Il; You Youn-Jong; Lee Seng-Go Daejeon Si, Republic of Korea assigned to Korea Institute of Energy Research

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TLT – 301 (03) MIX DESIGN METHOD FOR ASPHALT

2017-7-21  1.1 This Method is used in the laboratory mix design of bituminous mixtures. This test method is for use with mixtures containing penetration and viscosity or performance grade asphalt cements and aggregate up to 25 mm maximum size. This method also addresses the treatment of reclaimed asphalt pavement (RAP) for mix design purposes (section 7).

Get Price

Patents Assigned to Heritage Research Group - Justia ...

2019-8-23  Patents Assigned to Heritage Research Group. Void reducing asphalt membrane composition, method and apparatus for asphalt paving applications. Patent number: 10907309. Abstract: A method of sealing pavement joints includes the steps of dispensing a first band of void reducing joint composition on a substrate.

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Solvent Removal from Asphalt

method. Asphalt hardens signific.antly on .extended expo ure. to T E at both 200°F and 80°F. Thi hardening also occurs dur111g solvent removal processes, but removal at a reduced te~~erature through use of a vacuum in the early stages can mh1b1t 1t. To obtain asphalt properties that

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Asphalt binder micro-characterization and testing ...

2020-2-1  Asphalt binder is a complex material whose chemical composition and structure determine its properties. Fourier Transform infrared spectroscopy (FTIR), Nuclear Magnetic Resonance (NMR), Gel Permeation Chromatography (GPC) and Atomic Force Microscopy (AFM) have been widely used as an efficient tool for detecting and analyzing asphalt binders at the molecular level.

Get Price

Failure mechanism analysis of asphalt–aggregate systems ...

2017-10-18  direct shear test apparatus at 25 C. Comparative studies were conducted to evaluate the effects of stone surface treatment, asphalt film thickness and loading rate on the shear mechanical behavior of asphalt– aggregate specimens. Results showed that two kinds of the complete stress–displacement curves, including

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Prediction Method of Asphalt Pavement Performance

The Grey system theory is a new mathematical method to predict data changes in the poor data integrity. As a branch of Grey system theory, the GM (1, 1) model is widely used because only small sample data and simple calculations are needed in prediction of engineering project. It is a critical problem to effectively predict the performance and corrosion of asphalt pavement of highway ...

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University of Tennessee Research Foundation

Method and Apparatus for Constructing, Using and Reusing Components and Structures of an Artificial Neural Network: 10,022,356: Compounds for Treatment of Cancer: 10,024,897 : Mobile Electric Field Sensor Based Phasor Measurement Unit for

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Journal of Cleaner Production Industrial Ecology ...

5547492 Method for adsorbing and separating argon and hydrogen gases in high concentration from waste ammonia purge gas, and apparatus therefor : Cho Soon-Haeng; Chue Kuck-Tack; Kim Jong-Nam; Kim Kwon-Il; You Youn-Jong; Lee Seng-Go Daejeon Si, Republic of Korea assigned to Korea Institute of Energy Research

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TRANSPORTATION RESEARCH RECORD 1096 Chemistry,

The Hveem mixture design method with Texas gyratory com­ paction was utilized to establish the asphalt-cement content for the Eagle Lake aggregate. The 50-blow Marshall method was utilized to establish the asphalt-cement content for the other mixes. The resulting asphalt contents were 4.6, 6.3, 7.5, and 6.4

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Standards Specifications for Transportation Materials and ...

2020-8-3  R 62-13 (2017) Developing Dynamic Modulus Master Curves for Asphalt Mixtures 3 (July) R 66-16 (2020) Sampling Asphalt Materials 3 (July) R 67-20 Sampling Asphalt Mixtures after Compaction (Obtaining Cores) 3 (July) R 68-15 (2019) Preparation of Asphalt Mixtures by Means of the Marshall Apparatus 3 (July)

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