Sustainable valorization of asphaltenes via flash joule heating

Author:

Saadi M.A.S.R.1ORCID,Advincula Paul A.2ORCID,Thakur Md Shajedul Hoque1ORCID,Khater Ali Zein1ORCID,Saad Shabab3ORCID,Shayesteh Zeraati Ali3,Nabil Shariful Kibria3ORCID,Zinke Aasha1ORCID,Roy Soumyabrata1ORCID,Lou Minghe4,Bheemasetti Sravani N.56,Bari Md Abdullah Al3ORCID,Zheng Yiwen7ORCID,Beckham Jacob L.2ORCID,Gadhamshetty Venkataramana56ORCID,Vashisth Aniruddh7ORCID,Kibria Md Golam3ORCID,Tour James M.12ORCID,Ajayan Pulickel M.1ORCID,Rahman Muhammad M.1ORCID

Affiliation:

1. Department of Materials Science and NanoEngineering, Rice University, Houston, TX 77005, USA.

2. Department of Chemistry, Rice University, Houston, TX 77005, USA.

3. Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada.

4. Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA.

5. Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology, Rapid City, SD 57701, USA.

6. Two-Dimensional Materials for Biofilm Engineering Science and Technology (2D-BEST) Center, South Dakota Mines, Rapid City, SD 57701, USA.

7. Department of Mechanical Engineering, University of Washington, Seattle, WA 98195, USA.

Abstract

The refining process of petroleum crude oil generates asphaltenes, which poses complicated problems during the production of cleaner fuels. Following refining, asphaltenes are typically combusted for reuse as fuel or discarded into tailing ponds and landfills, leading to economic and environmental disruption. Here, we show that low-value asphaltenes can be converted into a high-value carbon allotrope, asphaltene-derived flash graphene (AFG), via the flash joule heating (FJH) process. After successful conversion, we develop nanocomposites by dispersing AFG into a polymer effectively, which have superior mechanical, thermal, and corrosion-resistant properties compared to the bare polymer. In addition, the life cycle and technoeconomic analysis show that the FJH process leads to reduced environmental impact compared to the traditional processing of asphaltene and lower production cost compared to other FJH precursors. Thus, our work suggests an alternative pathway to the existing asphaltene processing that directs toward a higher value stream while sequestering downstream emissions from the processing.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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