sasobit mixing plants

The versatile additive for asphalt mixes - Sasobit, Warm-Mix ...

Sasobit you are well prepared to master future challenges. Sasobit is a synthetic hard wax which has been used successfully worldwide in asphalt road construction since 1997. Sasobit ensures complete process reliability for all asphalt mix applications at all times – including under adverse conditions.

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Performance of Warm Mix Asphalt containing Sasobit®: State-of ...

Jan 01, 2013 · In this case, the Sasobit®-WMA mixtures were produced at an asphalt mixing plant and loaded into trucks at 180 °C. The trucks were equipped with heat shields over the top of the asphalt associated with three layers of carpet under felt, as well as the typical tarpaulin covers used to prevent significant asphalt mix loss.

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Sasobit - Americas International

be added directly at your asphalt plant as well. Sasobit is ideally suited for a large number of asphalt applications. Working principle: Sasobit’s effect on asphalt viscosity Viscosity 10 180 [°C] Service temperature range Mixing and paving temperature range Sasobit® One product – many benefits enhanced workability improved process ...

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Compaction temperatures of Sasobit produced warm mix asphalt ...

Oct 01, 2016 · To simplify the mixing process, the field test section was constructed by the dry mixing method. Sasobit was put into the mixing plant directly through the input window over the mixing drum as the asphalt binder sprays. It does not need any extra equipment.

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(PDF) Evaluation of Sasobit® for use in warm-mix asphalt

Sasobit® is described as an “asphalt flow impr over”, both during the asphalt mixing process and during laydown operations, due to its ability to lower the viscosity of the asphalt binder ( 4 ).

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Boston Logan's Warm Mix | Aviation Pros

“With the high level of RAP and the latex additive used in the mix, the Sasobit significantly improved the workability of the mix.” The mix would usually leave the plant at 270 to 280 degrees ...

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Emerging Warm Mix Asphalt technologies | Asphalt magazine

This enables mixing and handling temperatures to be reduced by 20 to 55°F (10 to 30°C). During cooling, Sasobit crystallizes and forms a lattice structure in the asphalt increasing the asphalt stability. Sasobit can be blended into hot asphalt at the mixing plant using a simple stirring device. A high-shear mixer is not required.

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Graniterock: Technical Reports

The Sasobit® additive, which is a product of Sasol Wax, is one of these technologies that allow the reduction of mixing and compaction temperature of hot mix asphalt. It was selected by the WMA task group of Graniterock for the trial section because of its minimal plant modification requirement and relatively low cost.

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EXPERIMENTAL PROJECTS CONSTRUCTION REPORT ACE FIBERS IN PLANT ...

Sasobit (a synthetic hard wax). Each clip by weight, contains 50% wax and 50% fiber; with a wax melting point of 216F (101C). The wax application gives the fiber the needed weight to adequately be distributed into the mixing drum. As the Sasobit wax melts, it allows the dry fibers to disperse evenly into the asphalt and aggregate mix.

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Warm Mix Asphalt Final Report

the wax allowing mixing and compaction to occur at lower temperatures. This experimental feature incorporates an organic wax marketed as Sasobit ® by Sasol Wax to produce the WMA. When added to anasphalt binder, Sasobit ® reduces the viscosity of the asphalt above its melting

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Evaluation of the potential of Sasobit® to reduce required ...

Dec 01, 2010 · Sasobit ® reduced the mixing point of asphalt mixes from 160 °C to as low as 145 °C. Incorporating a mere 1% Sasobit ® in asphalt binder can reduce the amount of CO 2 produced and required energy to heat the aggregate and asphalt binder from ambient temperature, 25 °C, to the mixing point by 3% and 2.8%, respectively, for all aggregate ...

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Office of International Programs - Policy | Federal Highway ...

Figure 23 shows a pneumatic feeder used to meter Sasobit into a drum plant. The Sasobit is introduced into the mixing chamber at about the same point that the binder is introduced (or where fibers would be introduced). Since 1997, more than 142 projects totaling more than 10 million tons of mix have been paved using Sasobit.

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(PDF) Effects of Using Sasobit and SBS on the Engineering ...

Using hard and polymer-modified binders in stone mastic asphalt mixtures reduces workability considerably. In this study, Sasobit (Sasolwax, Worthdamm, Hamburg) is used in bitumen to increase the ...

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Mix designing of asphalt concrete with Iterlene IN/400 and ...

Fig.7. Photograph of a Sasobit mixing plant in Baku, Azerbaijan 7. Conclusions and Recommendations 1. Apparently the selected additives Iterlene and Sasobit have been found effective in respect of reducing stripping problem and increasing softening point and stability values. 2.

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Effects of Sasobit Content on the Rheological Characteristics ...

odor at asphalt mixing plants and paving sites 9. The reduced energy consumption associated with WMA also reduces the costs of asphalt pavement construction. One of the materials that have been used in the production of WMA is a type of synthetic wax named Sasobit ®, an asphalt binder additive produced from Fischer-Tropsch (FT) paraffin wax.

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Evaluation of Sasobit (Registered Trademark) for Use in Warm ...

Evaluation of Sasobit (Registered Trademark) for Use in Warm Mix Asphalt. Several new processes have been developed to reduce the mixing and compaction temperatures of hot mix asphalt without sacrificing the quality of the resulting pavement. One of these processes utilizes Sasobit (Registered Trademark), a synthetic long chain Fischer-Tropsch wax.

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3 s-saboundjian sasobit-wma-perf

• Sasobit-WMA produced, placed and compacted successfully • Reduced mix production temperature Integrity ∙ Excellence ∙ Respect Reduced mix production temperature • Reduced plant fuel consumption: ≈ 20-30 % savings (1 gal/ton) • Reduced emissions & fumes • Reduced compaction temperature • Ease of compaction; compaction aid

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Laboratory evaluation of the mechanical properties of plant ...

Laboratory evaluation of the mechanical properties of plant-produced warm-mix asphalt mixtures. This paper presents a laboratory evaluation of plant-produced asphalt mixtures containing the control hot-mix asphalt (HMA) and four warm-mix asphalt (WMA) technologies: an organic additive (Sasobit®) and three foaming processes (Advera®, low-emission asphalt, and Gencor).

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Warm Mix Technology to Improve Compaction

Plant Aged E* / LTOA E* Control Sasobit Effect of Simulated Long-Term Aging. 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 ... Sasobit: Mix temp 252ºF. Using tighter temp ...

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WARM MIX ASPHALT (WMA)

2-2.4 Sasobit ®. Sasobit ® is a synthetic hard wax which has been used successfully worldwide in asphalt road construction since 1997. Mixing and paving temperatures can be reduced by as much as 405 °F (243 °C), because at temperatures above 239 °F (115 °C), Sasobit ® is completely soluble in bitumen, reducing viscosity significantly.

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WARM ASPHALT MIX TECHNOLOGY AN OVERVIEW OF THE PROCESS IN CANADA

The hot mix plant used for the project was a drum plant with mixing temperatures of 160°C for the control hot mix section and 130°C for the Aspha-min® warm mix. The laydown temperatures were 150°C for the hot mix and 110 - 120°C for the warm mix. The last two projects were placed in late November with air temperatures ranging from -1 to +5°C.

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Gaining experience with Warm Mix Asphalt | Asphalt magazine

The mix contained 5.0 percent of an SBS-modified PG 58-28 that had been further treated with 1.5 percent Sasobit. The mix was designed using the Marshall Method with 50 blows compactive effort. The mixing plant was a portable drum plant and averaged a production rate of 250 tons per hour.

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Warm Mix Asphalt Using Sasobit in Cold Region | Cold Regions ...

The potential of using Warm Mix Asphalt (WMA) in reducing the energy consumption of HMA is becoming more and more attractive nowadays. The goals for the WMA are to lower mixing and compacting temperatures and use the same Hot Mix Asphalt (HMA) plants to produce mixes that still meet specifications.

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A Conspectus on: Reflection of Sasobit as a Warm Mix Additive ...

Advera® WMA in the midst of mixing at the plant to make a frothing impact in the binder. 1.2 Utilization of Fischer-Tropsch Wax (Organic) additives SASOBIT (additive) is a long-chain aliphatic hydrocarbon that is delivered by Sasol Wax in South Africa utilizing the Fischer-Tropsch process. Its sub-

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Evaluation of the Potential of Sasobit REDUX Additive to ...

Environmental and health concerns have been increasing in the road construction industry. This industry has provided several techniques and a wide range of additives to lower the production temperatures of asphalt mixtures, generating, among others, a new mix type called warm-mix asphalt (WMA). This paper aims to evaluate the potential of the Sasobit REDUX additive to lower the production ...

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Utilization of Recycled Asphalt Concrete with Warm Mix ...

Wasiuddin NM, Selvamohan S, Zaman MM, Guegan ML (2007) Comparative laboratory study of sasobit and aspha-min additives in warm-mix asphalt. Journal of the Transportation Research Board 1998 :82–88. 8.

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Boston Logan’s warm mix - a first! | For Construction Pros

Dec 31, 2008 · “With the high level of RAP and the latex additive used in the mix, the Sasobit significantly improved the workability of the mix.” The mix would usually leave the plant at 270 to 280 degrees ...

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Sasobit - The Additive For A Cleaner Future - Oil and Gas ...

Sasobit, a bitumen additive, helps in reducing the viscosity of the mixture allowing itto be used at a significantly lower temperature than hot mix asphalt. The addition of Sasobit to the liquid asphalt mix brings down the operating and laying temperature by 50 to a 100 degrees resulting in better flexibility during the laying process making it ...

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LABORATORY STUDY OF WARM MIX ASPHALT SASOBIT ADDITIVES AND ...

Chemical additives may reduce the mix and compaction temperatures by about 20 - 40°C. Evotherm, Rediset, Iterlow T, Cecabase, REVIX. II. OBJECTIVE The proposed research was carried out to accomplish the following objectives: i. Determination of the optimum mixing and compaction temperature for Sasobit additives and

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Effects of Sasobit® content on the rheological ...

The main reason for adding Sasobit ® to asphalt binder is to decrease the mixing and compaction temperatures of asphalt mixes without sacrificing mix properties. Various studies on asphalt binder have shown that Sasobit ® increases the Superpave TM rutting factor (G*/sin d), zero shear viscosity (ZSV) and stiffness of asphalt binders 12-16 .

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