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Licensed Unlicensed Requires Authentication Published by De Gruyter May 23, 2022

Process design and economic assessment of large-scale production of molybdenum disulfide nanomaterials

  • Mouad Hachhach ORCID logo EMAIL logo , Hanane Akram , Mounir Hanafi , Ouafae Achak and Tarik Chafik EMAIL logo


The design of large-scale nanomaterial production is nowadays a major research topic that requires efficient tools for appropriate decision-making and process simulation is considered among the rational approach to address such difficult issue. The present study deals with process design and economic assessment of Molybdenum Disulfide (MoS2) nanomaterials production at large-scale via solvothermal method basing on our previous bench scale results. The commercial simulator Aspen Plus was used for process modelling and assuming a plant capacity of 100 tonnes/year. The simulation results were used to perform the cost assessment and profitability analysis while taking into account two relevant cases with (Recycle Case) and without recycling of Ethylenediamine and Hydrazine (Base Case). Note that for the technological and economical assessment the effluent treatment system was not taken into account. The total capital investment was estimated to be ca.14.3 M$ for the base case and ca. 17.4 M$ for recycle case, while the total operating costs were about 2945 $ for the base case and 503 $ for the recycle case for the production of 1 kg of MoS2. Thus, in addition to intrinsic advantages associated with the easier preparation and lower environmental impact of solvothermal method, larger production with recycling option can make the process more economically profitable.

Corresponding authors: Mouad Hachhach and Tarik Chafik, Laboratory of Chemical Engineering and Valorization of Resources, LGCVR-UAE/U14FST, Faculty of Sciences and Techniques of Tangier, Abdelmalek Essaadi University, P.O. Box 416, Tangier, Morocco, E-mail: ,

Funding source: IRESEN Morocco

Award Identifier / Grant number: Innowind13 Nanolubricant

Funding source: Ministero degli Affari Esteri e della Cooperazione Internazionale


Mouad Hachhach want to thank sincerely Pr. Fabrizio Bezzo for his guidance and help during his stay at CAPE-LAB, University of Padova. The financial support Italian Ministry of Foreign Affairs (MAECI) for M. Hachhach grant during his stay at University of Padova is recognized. The Institute IRESEN/Morocco funded this research under the Project Innowind13 Nanolubricant.

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This work was funded by Ministero degli Affari Esteri e della Cooperazione Internazionale (for M.Hachhach, and IRESEN Morocco under the framework of the project Innowind13 Nanolubricant.

  3. Conflict of interest statement: The authors declare there are no conflicts of interest regarding the publication of this paper.


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Supplementary Material

The online version of this article offers supplementary material (

Received: 2022-01-17
Accepted: 2022-04-25
Published Online: 2022-05-23

© 2022 Walter de Gruyter GmbH, Berlin/Boston

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