TY - JOUR
T1 - Liquefaction of waste tire rubber chips used for the absorptive recycling of spilled oils
AU - Lin, Kuen Song
AU - Mdlovu, Ndumiso Vukile
AU - Wang, Hong Paul
AU - Hussain, Abrar
N1 - Funding Information:
The financial support of the Ministry of Science and Technology , Taiwan (MOST 104–2622-E-155–012-CC2 ) is gratefully acknowledged. We also thank the 17C1 and 16A1 beamline managers, Prof. Y. W. Yang, Dr. J. F. Lee, Mr. M. L. Lu, Dr. Ting-Shan Chan, Dr. Ling-Yun Jang, and Mr. Shin-Tien Tang of the Taiwan Synchrotron Radiation Research Center (NSRRC) for their helps in the EXAFS experiments.
Publisher Copyright:
© 2022 Elsevier Ltd.
PY - 2022/12
Y1 - 2022/12
N2 - Over 180,000 TPY (tons per year) of waste tire rubbers (WTRs) are to be disposed of in Taiwan. The waste tire rubber chips (WTRCs) also contain special hydrophobic and oil-philic properties for absorptive recovery of spilled oils on contaminated ground or seashore. Experimentally, waste tires were cut as 10-20 mesh chips to sorb spilled oil (motor oil), and then liquefied into product oils at 643 K, 1 atm. Valuable oil gases and carbon black powder were also produced in the period of WTRCs liquefaction. The product oils could be directly used without further purification due to similar methyl content with that of fresh motor oils. Flammable oil gases mainly containing C3 (11.32%) and C4 (31.40%) hydrocarbons had potential to be fuel gases. Ultrafine carbon black powders (c.a. 100 nm) with mesopores produced from WTRCs liquefaction were observed and analyzed. Elements (Si: 90.56%, Zn: 3.65%, S: 4.89%, Ca: 0.58%, and Cu: 0.10%) on carbon black powder surface from bead ring of tire were detected. Bond lengths of S and Fe atoms were respectively Fe-S (2.17 Å) and Fe-(S)-Fe (3.05 Å) with coordination numbers of 5.6 and 3.9. The economic paybacks of 20- A nd 10-TPD of these processes were evaluated to be 2.5 and 3.2 years, respectively.
AB - Over 180,000 TPY (tons per year) of waste tire rubbers (WTRs) are to be disposed of in Taiwan. The waste tire rubber chips (WTRCs) also contain special hydrophobic and oil-philic properties for absorptive recovery of spilled oils on contaminated ground or seashore. Experimentally, waste tires were cut as 10-20 mesh chips to sorb spilled oil (motor oil), and then liquefied into product oils at 643 K, 1 atm. Valuable oil gases and carbon black powder were also produced in the period of WTRCs liquefaction. The product oils could be directly used without further purification due to similar methyl content with that of fresh motor oils. Flammable oil gases mainly containing C3 (11.32%) and C4 (31.40%) hydrocarbons had potential to be fuel gases. Ultrafine carbon black powders (c.a. 100 nm) with mesopores produced from WTRCs liquefaction were observed and analyzed. Elements (Si: 90.56%, Zn: 3.65%, S: 4.89%, Ca: 0.58%, and Cu: 0.10%) on carbon black powder surface from bead ring of tire were detected. Bond lengths of S and Fe atoms were respectively Fe-S (2.17 Å) and Fe-(S)-Fe (3.05 Å) with coordination numbers of 5.6 and 3.9. The economic paybacks of 20- A nd 10-TPD of these processes were evaluated to be 2.5 and 3.2 years, respectively.
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U2 - 10.1016/j.jece.2022.108680
DO - 10.1016/j.jece.2022.108680
M3 - Article
AN - SCOPUS:85139636385
SN - 2213-3437
VL - 10
JO - Journal of Environmental Chemical Engineering
JF - Journal of Environmental Chemical Engineering
IS - 6
M1 - 108680
ER -