Abstract
Coker kero stream is obtained from delayed coking which contains saturates with alpha olefins and PNA compounds which was physicochemical characterised. The fractions present in coker kero may be used further for value added products such as alkyl benzene and naphthalene etc. The study described potential of coker kero via aromatics and non-aromatics separation by using liquid-liquid extraction (LLE) with N-methyl pyrrolidone (NMP), acetonitrile and methanol as solvents of different polarity. Methanol imparts best colour improvement as per ASTM D-1500. Beside this, adsorption study on coker kero was performed using fuller’s earth, chalk powder, red ochre and wood-stick’s ash as adsorbents. The adsorption study suggested that fuller’s earth not only separate aromatics and non-aromatics form coker kero, but also acts as a better adsorbent than graphitic carbon (activated charcoal) and is found suitable for colour improvement comparatively. This study inferred the separation of polar components, improvement in the colour, odour and established the stable fuel. FT-IR study suggested that N-methyl Pyrrolidone gives better results comparatively other solvents. HC22 type analysis of coker kero raffinate and extract phase confirm the sharp extraction of coker kero feed using N-Methyl pyrrolidone as it is a good solvent for extraction of aromatics. GCMS and HRMS compositional analysis successfully performed for the coker kero and it is separated aromatic and non-aromatic fractions.
Acknowledgments
DT thanks the Director, CSIR-IIP and Director, IIT Roorkee for giving the permission to do the doctoral research work. We thank the analytical sciences division of CSIR-IIP for providing the analysis.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Editorial
- Preface: Special issue dedicated to the International Conference on Reaction Engineering National Institute of Technology, Raipur, India
- Special Issue Article
- Semiconducting nanomaterials for photocatalytic desulfurization of liquid fuel under sunlight irradiation
- Optimization and experimental design by response surface method for reactive extraction of glutaric acid
- Equilibrium & kinetic studies of reactive extraction of trans-aconitic acid using sunflower oil with tri-n-octylamine
- Simulation of a kinetic model integrated with variable catalyst holdup applied in industrial fluid catalytic cracking risers
- Alkaline electro-hydrolysis pretreatment of rice straw for enhanced biogas production under ambient temperature
- Acclimatization studies for degradation of Acid Red 3BN dye and its treatment in moving bed biofilm reactor
- Value addition study on coker kero for producing alpha olefin and alkyl benzene
- Cyclic voltammetry to study kinetics of blast furnace slag and cerium dioxide modified electrode
Articles in the same Issue
- Frontmatter
- Editorial
- Preface: Special issue dedicated to the International Conference on Reaction Engineering National Institute of Technology, Raipur, India
- Special Issue Article
- Semiconducting nanomaterials for photocatalytic desulfurization of liquid fuel under sunlight irradiation
- Optimization and experimental design by response surface method for reactive extraction of glutaric acid
- Equilibrium & kinetic studies of reactive extraction of trans-aconitic acid using sunflower oil with tri-n-octylamine
- Simulation of a kinetic model integrated with variable catalyst holdup applied in industrial fluid catalytic cracking risers
- Alkaline electro-hydrolysis pretreatment of rice straw for enhanced biogas production under ambient temperature
- Acclimatization studies for degradation of Acid Red 3BN dye and its treatment in moving bed biofilm reactor
- Value addition study on coker kero for producing alpha olefin and alkyl benzene
- Cyclic voltammetry to study kinetics of blast furnace slag and cerium dioxide modified electrode