Study of Rheological and Creep Recovery Properties of Asphalt Binder Modified with Waste Toner

Showkat, Burhan; Suresha, S. N.; Akhandappagol, Ningappa

doi:10.1061/(asce)mt.1943-5533.0003411

Cited by 6 publications

(2 citation statements)

References 7 publications

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“…Furthermore, blending waste toner into asphalt shows an improvement in the number of loading cycles, shortening the crack length and degrading dissipated energy, resulting in increased fatigue resistance of asphalt binders [ 13 ]. In contrast, Showkat et al’s work reported that there was a degradation in asphalt binder’s fatigue resistance after the addition of waste toner [ 14 ]. Notani and Mokhtarnejad indicated that the asphalt mixture using 8% WT improved both the wetting and molecular diffusion processes of self-healing capability [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

Influence of Waste Toner on Asphalt Binder: Chemical and Rheological Characterization

Itoua

Sun

et al. 2023

Molecules

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The growing amount of waste toner (WT) has posed a significant environmental challenge. Meanwhile, researchers are interested in the feasibility of utilizing waste toner as an asphalt binder modifier because its primary chemical components (Styrene-acrylic copolymer and carbon black) are known to improve asphalt properties. The objective of this study was to evaluate the chemical and rheological properties of the waste-toner-modified asphalt binder and hence determine the suitability of integrating waste toner for asphalt modification. The waste-toner-modified asphalt (TMA) binders were produced by blending base asphalt with two types of waste toners of different gradation sizes. Microscopic tests such as x-ray fluorescence (XRF), attenuated total reflectance transform infrared spectroscopy (ATR-FTIR), and scanning electron microscopy with energy dispersive X-ray (SEM-EDS) and fluorescence microscope, as well as rheology tests such as multiple stress creep recovery (MSCR) tests, oscillation tests, and bending beam rheometer tests were performed. The FTIR results showed that there was a chemical reaction between waste toners and base asphalt binder. A fluorescence effect was observed on the binders produced with different toners used in this research. The binder modified with an optimal content of 8%WTs revealed better high and low-temperature properties. Additionally, 8%WTs used in this research could change the PG70-22 binder to PG76-22 binder. The rutting properties of asphalt material were improved for its improved elasticity. In addition, the 200-mesh TMA binders were desirable with respect to waste toner particle size. Overall, there is a benefit to using waste toner in the asphalt industry.

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Section: Introductionmentioning

confidence: 99%

Influence of Waste Toner on Asphalt Binder: Chemical and Rheological Characterization

Itoua

Sun

et al. 2023

Molecules

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“…They found that the improved fatigue resistance is reflected in the improvement of the number of loading cycles, shortening crack length and degrading dissipated energy in the specimens. Showkat et al [11] utilised WTP for asphalt pavement construction by incorporating it into the asphalt binder. Newlands et al [12] investigated the feasibility of using cyan, yellow, magenta and black WTP to create a range of colour options for mortar and concrete.…”

Section: Introductionmentioning

confidence: 99%

Recycling of Waste Toner Powder as Adsorbent to Remove Aqueous Heavy Metals

et al. 2022

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The removal of Cd2+, Zn2+ and Ni2+ from metal solutions onto waste toner power (WTP) was investigated. The influence of parameters such as pH, contact time, initial metal concentration and adsorbent dosage was studied in batch adsorption experiments. Batch equilibrium experiments showed that the highest removal efficiency for Zn2+ and Cd2+ occurs at pH 7, while pH 5 is the most suitable for Ni2+ removal. The amount of metal removed (mg/g) improved when increasing the initial concentration, and sorption of heavy metals reached equilibrium in 24 h. Metals’ uptake increased with increasing adsorbent dosage. The adsorption isotherms of Zn2+, Cd2+ and Ni2+ onto WTP fit the Langmuir better than the Freundlich model with correlation coefficient R2 values ranging from 0.998 to 0.968 and 0.989 to 0.881, respectively. The data showed that the maximum adsorption capacity of heavy metals, amax, ranged from 2.42 to 1.61 mg/g, from 6.22 to 2.01 mg/g and from 3.49 to 2.56 mg/g for Ni2+, Zn2+ and Cd2+, respectively, with the three WTPs used in this study. This adsorbent can potentially be used to remove metal ions from wastewater.

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Evaluation of workability and mechanical properties of asphalt binder and mixture modified with waste toner

Huang

Kumar

Sun

2021

Construction and Building Materials

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Study of Rheological and Creep Recovery Properties of Asphalt Binder Modified with Waste Toner

Cited by 6 publications

References 7 publications

Influence of Waste Toner on Asphalt Binder: Chemical and Rheological Characterization

Influence of Waste Toner on Asphalt Binder: Chemical and Rheological Characterization

Recycling of Waste Toner Powder as Adsorbent to Remove Aqueous Heavy Metals

Evaluation of workability and mechanical properties of asphalt binder and mixture modified with waste toner

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