Dehydration of lean gas from carbon black production technology: process design scheme and techno-economic assessment
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Ramesh Paduthalam
Abstract
In pyrolysis, liquid hydrocarbons are partially combusted with air, followed by water quenching, which produces carbon-black particle aggregation and lean gas. The lean gas consists of H2, CO, CO2, and C2H4 constituents, and dominant water vapor and nitrogen contents. The study synthesizes process design schemes based on dew point techniques to dehydrate lean gas economically and calculates the process’s payback period. A chart was prepared to determine the dew point temperature of gas mixtures at different operating pressures and water vapor compositions. Two process design schemes were proposed to achieve up to 98 % dehydration of lean gas. The Techno-Economic Analysis (TEA) was employed to assess the economic viability of various process schemes by estimating capital expenditures (CAPEX), operational expenditures (OPEX), and the payback period. The process is capable of producing dry gas (fuel gas) at a cost as low as $0.20 per kilogram. Overall, the process design scheme offers an environmentally friendly, sustainable, and cost-effective solution for dehydrating wet lean gas, making it suitable for long-distance pipeline transportation.
Acknowledgments
We would like to express our gratitude to WAP TECH Project India Pvt Ltd. for providing us with the problem statement.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: P. Ramesh: Conceptualization, Methodology, Writing – Review & Editing. Suresh Krishnan: Validation, Resources, Writing – Review & Editing.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors have declared no conflict of interest.
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Research funding: Not applicable.
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Data availability: Data will be made available on request.
References
1. Raymond, EK, Othmer, DF, Grayson, M, Eckroth, D. Encyclopedia of chemical technology. Hoboken, New Jersey, USA: Wiley; 1979.Search in Google Scholar
2. Torretta, V, Rada, EC, Ragazzi, M, Trulli, E, Istrate, IA, Cioca, LI. Treatment and disposal of tyres: two EU approaches. a review. Waste Manag 2015;45:152–60. https://doi.org/10.1016/j.wasman.2015.04.018.Search in Google Scholar PubMed
3. Zhang, A, Wang, L, Lin, Y, Mi, X. Carbon black filled powdered natural rubber: preparation, particle size distribution, mechanical properties, and structures. J Appl Polym Sci 2006;101:1763–74. https://doi.org/10.1002/app.23516.Search in Google Scholar
4. Okoye, CO, Jones, I, Zhu, M, Zhang, Z, Zhang, D. Manufacturing of carbon black from spent tyre pyrolysis oil – a literature review. J Clean Prod 2021;279:123336. https://doi.org/10.1016/j.jclepro.2020.123336.Search in Google Scholar
5. Borah, D, Satokawa, S, Kato, S, Kojima, T. Characterization of chemically modified carbon black for sorption application. Appl Surf Sci 2008;254:3049–56. https://doi.org/10.1016/j.apsusc.2007.10.053.Search in Google Scholar
6. Khodabakhshi, S, Fulvio, PF, Andreoli, E. Carbon black reborn: structure and chemistry for renewable energy harnessing. Carbon N Y 2020;162:604–49. https://doi.org/10.1016/j.carbon.2020.02.058.Search in Google Scholar
7. Zarca, G, Urtiaga, A, Biegler, LT, Ortiz, I. An optimization model for assessment of membrane-based post-combustion gas upcycling into hydrogen or syngas. J Membr Sci 2018;563:83–92. https://doi.org/10.1016/j.memsci.2018.05.038.Search in Google Scholar
8. Klayborworn, S, Pakdee, W. Effects of porous insertion in a round-jet burner on flame characteristics of turbulent non-premixed syngas combustion. Case Stud Therm Eng 2019;14:100451. https://doi.org/10.1016/j.csite.2019.100451.Search in Google Scholar
9. Vanaei, HR, Eslami, A, Egbewande, A. A review on pipeline corrosion, in-line inspection (ILI), and corrosion growth rate models. Int J Pres Ves Pip 2017;149:43–54. https://doi.org/10.1016/j.ijpvp.2016.11.007.Search in Google Scholar
10. Skorek-Osikowska, A, Janusz-Szymańska, K, Kotowicz, J. Energy 2012;45:92–100. https://doi.org/10.1016/j.energy.2012.02.002.Search in Google Scholar
11. Martínez-Vargas, DX, Sandoval-Rangel, L, Campuzano-Calderon, O, Romero-Flores, M, Lozano, FJ, Nigam, KDP, et al.. Recent advances in bifunctional catalysts for the fischer–tropsch process: one-stage production of liquid hydrocarbons from syngas. Ind Eng Chem Res 2019;58:15872–901. https://doi.org/10.1021/acs.iecr.9b01141.Search in Google Scholar
12. De Vos, RM, Verweij, H. Improved performance of silica membranes for gas separation. J Membr Sci 1998;143:37–51. https://doi.org/10.1016/S0376-7388(97)00334-7.Search in Google Scholar
13. Sato, N, Ando, H, Yukinori, K. Separation of hydrogen through palladium thin film supported on a porous glass tube. J Membr Sci 1991;56:303–13.10.1016/S0376-7388(00)83040-9Search in Google Scholar
14. Ray, GC, Box, EO. Adsorption of gases on activated charcoal. Ind Eng Chem 1950;42:1315–18. https://doi.org/10.1021/ie50487a021.Search in Google Scholar
15. Fakher, S, Imqam, A. A review of carbon dioxide adsorption to unconventional shale rocks methodology, measurement, and calculation. SN Appl Sci 2020;2. https://doi.org/10.1007/s42452-019-1810-8.Search in Google Scholar
16. Kumar, R, Kishore, PS. Experimental study of condensation in a shell and tube heat exchanger in the presence of a noncondensable gas. Heat Tran Asian Res 2017;46:511–31. https://doi.org/10.1002/htj.21228.Search in Google Scholar
17. Van Ness, HC. Adsorption of gases on solids. Review of role of thermodynamics. Ind Eng Chem Fundam 1969;8:464–73. https://doi.org/10.1021/i160031a017.Search in Google Scholar
18. Hopewell, J, Dvorak, R, Kosior, E. Plastics recycling: challenges and opportunities. Phil Trans Biol Sci 2009;364:2115–26. https://doi.org/10.1098/rstb.2008.0311.Search in Google Scholar PubMed PubMed Central
19. Akinola, TE, Oko, E, Wang, M. Study of CO2 removal in natural gas process using mixture of ionic liquid and MEA through process simulation. Fuel 2019;236:135–46. https://doi.org/10.1016/j.fuel.2018.08.152.Search in Google Scholar
20. Hospital-Benito, D, Lemus, J, Moya, C, Santiago, R, Paramio, C, Palomar, J. Aspen plus supported design of pre-combustion CO2 capture processes based on ionic liquids. Sep Purif Technol 2022;290:120841. https://doi.org/10.1016/j.seppur.2022.120841.Search in Google Scholar
21. Gogar, R, Viamajala, S, Relue, PA, Varanasi, S. Techno-economic assessment of mixed-furan production from diverse biomass hydrolysates. ACS Sustainable Chem Eng 2021;9:3428–38. https://doi.org/10.1021/acssuschemeng.0c05847.Search in Google Scholar
22. Smith, JM, Van Ness, HC, Abbott, MM. Introduction to chemical engineering thermodynamics. Boston: McGraw-Hill; 2005.Search in Google Scholar
23. Doddapaneni, TRKC, Praveenkumar, R, Tolvanen, H, Rintala, J, Konttinen, J. Techno-economic evaluation of integrating torrefaction with anaerobic digestion. Appl Energy 2018;213:272–84. https://doi.org/10.1016/j.apenergy.2018.01.045.Search in Google Scholar
24. Arora, A, Banerjee, J, Vijayaraghavan, R, MacFarlane, D, Patti, AF. Process design and techno-economic analysis of an integrated mango processing waste biorefinery. Ind Crops Prod 2018;116:24–34. https://doi.org/10.1016/j.indcrop.2018.02.061.Search in Google Scholar
25. Motagamwala, AH, Huang, K, Maravelias, CT, Dumesic, JA. Solvent system for effective near-term production of hydroxymethylfurfural (HMF) with potential for long-term process improvement. Energy Environ Sci 2019;12:2212–22. https://doi.org/10.1039/c9ee00447e.Search in Google Scholar
26. Priyadarshini, A, Tiwari, BK, Rajauria, G. Assessing the environmental and economic sustainability of functional food ingredient production process. Processes 2022;10:445. https://doi.org/10.3390/pr10030445.Search in Google Scholar
27. Kazi, FK, Patel, AD, Serrano-Ruiz, JC, Dumesic, JA, Anex, RP. Techno-economic analysis of dimethylfuran (DMF) and hydroxymethylfurfural (HMF) production from pure fructose in catalytic processes. Chem Eng J 2011;169:329–38. https://doi.org/10.1016/j.cej.2011.03.018.Search in Google Scholar
28. Kazi, FK, Fortman, JA, Anex, RP, Hsu, DD, Aden, A, Dutta, A, et al.. Techno-economic comparison of process technologies for biochemical ethanol production from corn stover. Fuel 2010(SUPPL. 1);89:S20–8. https://doi.org/10.1016/j.fuel.2010.01.001.Search in Google Scholar
29. Peters, MS, Klaus D. Timmerhaus. Plant design and economics for chemical engineers. Boston: McGraw-Hill; 1991.Search in Google Scholar
30. Central electricity authority, 2019, 1–225. https://cea.nic.in/wp-content/uploads/2021/03/tariff_2019.pdf.Search in Google Scholar
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