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Artículo

Process Systems Engineering Approach for the Sustainable Design of Cyanobacteria-Based Integrated Biorefineries and Their Heat Exchanger Network

Ramos, Matías HernánIcon ; Lasry Testa, Romina DanielaIcon ; Ramos, Fernando DanielIcon ; Estrada, Vanina GiselaIcon ; Díaz, María SoledadIcon
Fecha de publicación: 18/02/2024
Editorial: American Chemical Society
Revista: ACS Sustainable Chemistry & Engineering
ISSN: 2168-0485
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ingeniería de Procesos Químicos

Resumen

As climate change increasingly impacts the environment and society worldwide, advanced biofuels produced from cyanobacteria constitute a nature-based solution to the capture and storage of the atmospheric greenhouse gas carbon dioxide by continual or enhanced biological processes. We propose a mixed-integer nonlinear programming problem to address the optimal design of a biorefinery and its heat exchanger network based on Synechocystis sp. PCC 6803, aiming to maximize the sustainability net present value in a superstructure approach. The optimal scheme includes production of pigments and fourth-generation bioethanol, self-supply of energy, and recycling of enriched nutrient streams. Numerical results provide a sustainability net present value of 117.55 M USD, rendering a competitive fourth-generation bioethanol production cost of 0.40 USD/kg of bioethanol. Simultaneous heat integration improves the objective function, showing that reducing environmental burden has a greater impact than minimizing the capital investment in heat exchangers, compared to the case of no heat integration. Sensitivity analysis shows that further enhancement of Synechocystis’ ethanol productivity is crucial to improve sustainability.
Palabras clave: MINLP , SYNECHOCYSTIS SP. PCC 6803 , CYANOBACTERIA-BASED BIOREFINERY , IN SILICO CYANOBACTERIA , SUSTAINABILITY
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/234200
URL: https://pubs.acs.org/doi/10.1021/acssuschemeng.3c05084
DOI: https://doi.org/10.1021/acssuschemeng.3c05084
Colecciones
Articulos(PLAPIQUI)
Articulos de PLANTA PILOTO DE INGENIERIA QUIMICA (I)
Citación
Ramos, Matías Hernán; Lasry Testa, Romina Daniela; Ramos, Fernando Daniel; Estrada, Vanina Gisela; Díaz, María Soledad; Process Systems Engineering Approach for the Sustainable Design of Cyanobacteria-Based Integrated Biorefineries and Their Heat Exchanger Network; American Chemical Society; ACS Sustainable Chemistry & Engineering; 12; 9; 18-2-2024; 3538-3553
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