Chemical Engineering and Processing - Process Intensification最新文献_第5页

Continuous regeneration of the draw solution in textile wastewater treatment using a combination of simultaneous forward osmosis and reverse osmosis 利用同时正渗透和反渗透相结合的方法对纺织废水中提取液进行连续再生

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2025-12-31 DOI: 10.1016/j.cep.2025.110689

Carmen M. Sánchez-Arévalo , Laura García-Suarez , Maria Salud Camilleri-Rumbau , Jörg Vogel , Silvia Álvarez-Blanco , M. Cinta Vincent-Vela , Beatriz Cuartas-Uribe

{"title":"Continuous regeneration of the draw solution in textile wastewater treatment using a combination of simultaneous forward osmosis and reverse osmosis","authors":"Carmen M. Sánchez-Arévalo , Laura García-Suarez , Maria Salud Camilleri-Rumbau , Jörg Vogel , Silvia Álvarez-Blanco , M. Cinta Vincent-Vela , Beatriz Cuartas-Uribe","doi":"10.1016/j.cep.2025.110689","DOIUrl":"10.1016/j.cep.2025.110689","url":null,"abstract":"<div><div>The concerning and abundant textile wastewater can be treated by forward osmosis (FO) in order to reduce its volume and simultaneously recover clean water. However, the productivity of FO depends on the concentration of the draw solution that is used. In this work, a simultaneous application of FO and reverse osmosis (RO) is proposed. The HFFO14® FO membrane (Aquaporin, Denmark) was employed to concentrate a real textile wastewater, whereas the SW30-2540 (DuPont, USA) RO membrane was employed to simultaneously regenerate the draw solution, which consisted in a 0.7 M NaCl solution, and to obtain a clean water stream. The concentration of the textile wastewater increased until 90% water recovery was achieved. The rejection values obtained for the chemical oxygen demand and total organic carbon were in the range 99 – 100%. Afterwards, the previously concentrated textile wastewater was again processed until a volume concentration factor of 16.5 was reached. Stable values of permeate flux (around 4 L/h·m<sup>2</sup>) were obtained in the FO process, whereas the reverse osmosis step permitted the maintenance of a stable conductivity in the draw solution and provided clean water as permeate.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110689"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145923577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical simulation of the mixing performance of a novel SAR micromixer with concentric circular ring mixing chamber and angle between connecting channel 具有同心环形混合室和连接通道夹角的新型SAR微混合器混合性能的数值模拟

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2025-12-27 DOI: 10.1016/j.cep.2025.110685

Yubo Wang, Ping Gong

{"title":"Numerical simulation of the mixing performance of a novel SAR micromixer with concentric circular ring mixing chamber and angle between connecting channel","authors":"Yubo Wang, Ping Gong","doi":"10.1016/j.cep.2025.110685","DOIUrl":"10.1016/j.cep.2025.110685","url":null,"abstract":"<div><div>This study proposes a single-layer split-and- recombination (SAR) micromixer characterized by a concentric ring mixing chamber and adjacent connecting channels with a designed angle, aiming to enhance mixing efficiency. The performance of micromixers with varying connection channel angles (θ) was evaluated via mixing index, pressure drop, and mixing energy cost under Reynolds numbers (Re) ranging from 1 to 100. Results demonstrate that the CCRM-90° (90° connection channel angle) achieves superior mixing efficiency, exceeding 97 % at Re > 20 and consistently surpassing 99 % when Re > 30, while reducing θ effectively lowers pressure drop. Furthermore, the central circle, defined as a circle with a diameter equal to half the sum of the inner and outer diameters of the concentric ring, scales the mixing chamber size by adjusting its diameter Φ under constant flow channel cross-sectional area. Performance evaluations of CCRM-120°, CCRM-105°, and CCRM-90° micromixers with varying central circle diameter (Φ) revealed that increasing Φ in CCRM-120° mitigated mixing index fluctuations but significantly raised energy consumption. In contrast, CCRM-105° and CCRM-90° achieved stable mixing index above 99 % across a wide Re range (30 – 100) without enlarging Φ, demonstrating superior energy efficiency.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110685"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145895871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Rate-based modeling and optimization of a Butyl-lactate production process by reactive distillation 反应精馏生产乳酸丁酯工艺的速率建模与优化

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2026-01-10 DOI: 10.1016/j.cep.2026.110707

Juan A. Betancourt, Mario A. Céspedes, Iván D. Gil

{"title":"Rate-based modeling and optimization of a Butyl-lactate production process by reactive distillation","authors":"Juan A. Betancourt, Mario A. Céspedes, Iván D. Gil","doi":"10.1016/j.cep.2026.110707","DOIUrl":"10.1016/j.cep.2026.110707","url":null,"abstract":"<div><div>n-Butyl lactate is a promising green solvent whose production can be efficiently intensified using reactive distillation (RD). However, the optimal design of such a process is a complex challenge due to its highly non-linear nature and the interplay between reaction, separation, and economics. In this work, a rigorous rate-based model of an industrial-scale n‑butyl lactate production process was developed and optimized. A custom Genetic Algorithm (GA) was implemented to solve the complex, mixed-integer optimization problem, with the objective of minimizing the Total Annualized Cost (TAC). The GA successfully converged to a superior design, achieving a TAC of 1679 USD/t, compared to a validated base case (1725 USD/t). The feasibility and superiority of the optimized design were confirmed through a comprehensive post-optimization analysis, leveraging the high fidelity of the rate-based model, which accounts for mass and heat transfer limitations. Detailed hydraulic, thermal (via Column Grand Composite Curves), and sustainability analyses demonstrated that the new design is not only more economical but also operationally stable and more energy-efficient (with an energy intensity reduction of 262 kJ/kg), while maintaining excellent mass efficiency. This study provides a holistic and validated framework for the design of an industrial process for n‑butyl lactate production.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110707"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145974071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microreactor technology for CO2 methanation: A review on process intensification and system integration CO2甲烷化微反应器技术：工艺强化与系统集成综述

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2025-12-31 DOI: 10.1016/j.cep.2025.110690

Hao CHENG , Yongli LI , Dominique TARLET , Lingai LUO , Yilin FAN

{"title":"Microreactor technology for CO2 methanation: A review on process intensification and system integration","authors":"Hao CHENG , Yongli LI , Dominique TARLET , Lingai LUO , Yilin FAN","doi":"10.1016/j.cep.2025.110690","DOIUrl":"10.1016/j.cep.2025.110690","url":null,"abstract":"<div><div>The power-to-gas (PtG) process converts surplus renewable electricity into hydrogen via electrolysis, followed by <span><math><mrow><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></mrow></math></span> methanation to produce synthetic methane. This integrated approach enhances the flexibility of hydrogen energy storage and transportation while achieves <span><math><mrow><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></mrow></math></span> valorization, supporting and advancing the UN's sustainable development goals. Traditional <span><math><mrow><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></mrow></math></span>methanation in large fixed-bed equipment suffers from limited heat and mass transfer efficiency, leading to the catalyst deactivation and compromised methanation performance. To overcome these challenges, microchannel-based reactors have been proposed as an alternate solution, offering enhanced heat and mass transfer performance, compact system volume, higher volumetric productivity and improved energy efficiency.</div><div>This paper presents a comprehensive literature review on research advances of the microchannel reactor technology for <span><math><mrow><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></mrow></math></span> methanation. The review covers various aspects, including catalysts configuration, effects of operating factors, and strategies to intensify the <span><math><mrow><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></mrow></math></span> methanation performance. In addition, special attention was given to integrated process coupling within methanation reaction, improving both reaction regulation and thermal energy management in methanation systems. The work provides a useful reference for developing high-efficiency microchannel reactor systems for <span><math><mrow><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></mrow></math></span> methanation, offering fundamental insights for future industrial-scale implementation.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110690"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145923581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Energy-saving process for extractive distillation separation of acetone/methanol/chloroform azeotropic mixtures based on multi-objective optimization algorithm 基于多目标优化算法的丙酮/甲醇/氯仿共沸混合物萃取精馏分离节能工艺

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2026-01-20 DOI: 10.1016/j.cep.2026.110712

Xiaoyu Kang, Zeyang Li, Ruijie Wang, Xiyuan Chen, Xiaoxin Gao

{"title":"Energy-saving process for extractive distillation separation of acetone/methanol/chloroform azeotropic mixtures based on multi-objective optimization algorithm","authors":"Xiaoyu Kang, Zeyang Li, Ruijie Wang, Xiyuan Chen, Xiaoxin Gao","doi":"10.1016/j.cep.2026.110712","DOIUrl":"10.1016/j.cep.2026.110712","url":null,"abstract":"<div><div>Acetone, methanol and chloroform are extensively utilized in industrial applications as essential organic solvents. In this study, we employ COSMO-SAC, relative volatility analysis and electrostatic potential calculations to select glycerol as the optimal entrainer for separating the acetone/methanol/chloroform mixture. Based on conventional extractive distillation, we integrate heat pump-assisted distillation with heat integration to improve economic and environmental performance. This approach is particularly designed for heat recovery in systems with high-boiling-point entrainers or significant temperature rises at the column bottom. Furthermore, we implement a multi-objective optimization strategy, with minimization targets including total annual cost, entropy production and gas emissions. Ultimately, the economic, environmental and energy losses of various processes are analyzed. Optimization results show that, compared to conventional extractive distillation, the proposed heat pump assisted distillation and heat integration process offered significant advantages, reducing total annual costs by 14.74 %, reducing entropy production by 74.80 % and gas emissions by 38.77 %.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110712"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146023425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Collaborative disassembly and optimized hydrometallurgical processing for sustainable gold recovery from automotive PCBs 协同拆卸和优化湿法冶金工艺，可持续地从汽车pcb中回收黄金

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2026-01-19 DOI: 10.1016/j.cep.2026.110714

Nicolò Maria Ippolito , Lorenzo Francesco Gandini , Marco Passadoro , Paolo Rosa , Francesco Vegliò

{"title":"Collaborative disassembly and optimized hydrometallurgical processing for sustainable gold recovery from automotive PCBs","authors":"Nicolò Maria Ippolito , Lorenzo Francesco Gandini , Marco Passadoro , Paolo Rosa , Francesco Vegliò","doi":"10.1016/j.cep.2026.110714","DOIUrl":"10.1016/j.cep.2026.110714","url":null,"abstract":"<div><div>End-of-Life Vehicles (ELVs) represent a valuable secondary source of critical and precious metals, including those embedded in Printed Circuit Boards (PCBs) from Internal Combustion Engine (ICE) vehicles. With the ongoing transition toward electrified mobility, demand for these metals is expected to increase significantly. Sustainable materials management and circular economy principles require recovering and reintroducing these metals into the supply chain rather than allowing them to become waste. This study investigates the recovery of precious metals from automotive PCBs extracted from SEAT ICE vehicle dashboards. The compositional complexity of electronic components necessitates tailored treatment strategies to achieve maximum extraction efficiency. The disassembly of Surface Mount Devices (SMDs) was performed using a collaborative robot (cobot), reducing operator effort and costs while also promoting circular economy practices among car dismantlers. Hydrometallurgical processing, based on a patented method, was optimized using factorial experimental design to minimize chemical consumption and achieve a Minimal Liquid Discharge (MLD) approach. Two scenarios were compared: direct leaching of whole boards, yielding 45.3% gold recovery, and selective disassembly followed by leaching, achieving 80.5% recovery. These results demonstrate the added value of robotic disassembly and the potential for scalable, industrially relevant recycling practices that support sustainable and efficient end-of-life vehicle management.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110714"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146023426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sustainable green extraction of bioactive compounds from açaí seeds and purple corn cobs using agitation and ultrasound-assisted 利用搅拌和超声波辅助从açaí种子和紫玉米芯中可持续绿色提取生物活性化合物

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2025-12-30 DOI: 10.1016/j.cep.2025.110684

Maria Cecilia Pacco-Huamaní , Michele Greque de Morais , Vilásia Guimarães Martins , Jorge Alberto Vieira Costa

{"title":"Sustainable green extraction of bioactive compounds from açaí seeds and purple corn cobs using agitation and ultrasound-assisted","authors":"Maria Cecilia Pacco-Huamaní , Michele Greque de Morais , Vilásia Guimarães Martins , Jorge Alberto Vieira Costa","doi":"10.1016/j.cep.2025.110684","DOIUrl":"10.1016/j.cep.2025.110684","url":null,"abstract":"<div><div>Açaí seed and purple corn cobs were subjected to three bioactive compound extraction methods: agitation (AE), ultrasound-assisted extraction (UAE), and a combination of mechanical agitation and ultrasound (UAE+A). In each technique, green solvents, such as water and 30 % ethanol, were used individually. This study aimed to evaluate and compare the efficiency of the extraction methods and solvents in terms of total phenolic content (TPC), total flavonoid content (TFC), total anthocyanin content (TAC), antioxidant capacity, color, and antimicrobial activity. For both raw materials, the extraction efficiency followed the order UAE+A > UAE > AE. Following this trend, açaí seeds exhibited phenolic content of 3819.12–14877.99 mg GAE/100 g d.w., flavonoids of 533.15–957.13 mg QE/100 g d.w., and anthocyanins of 67.63–235.24 mg C3G/100 g d.w. In contrast, purple corn cobs presented phenolics of 3203.48–8255.30 mg GAE/100 g d.w, flavonoids of 1014.24–1628.10 mg QE/100 g d.w., and anthocyanins of 442.34–2247.35 mg C3G/100 g d.w. Antioxidant activities followed the same trend (AE < UAE < UAE+A) in DPPH, ABTS, and FRAP assays. Both extracts exhibited darker coloration when obtained by UAE+A. Regarding antimicrobial activity, the açaí seed extract obtained via UAE+A showed higher inhibition against <em>Staphylococcus aureus</em>, whereas the purple corn cob extract exhibited greater inhibition against <em>Escherichia coli</em>. These results demonstrate the potential of açaí seed and purple corn cob agro-industrial residues as sustainable sources of bioactive compounds with possible applications in the food, nutraceutical, and cosmetic industries, and confirm UAE+A as an efficient method for their recovery.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110684"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146074183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ultrasonic-enhanced complete lithium extraction from alkaline roasting slag of spodumene: kinetics and mechanism 锂辉石碱性焙烧渣超声强化全锂萃取动力学及机理研究

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2026-01-05 DOI: 10.1016/j.cep.2026.110699

Shengxuan Zhao , Enpei Zhu , Chao Luo , Li Zhu , Zhiqi Chen , Macong Duan , Xiaoyuan Li , Linqing Dai , Gengwei Zhang , Likang Fu , Libo Zhang , Yonggang Zuo , Bingguo Liu

{"title":"Ultrasonic-enhanced complete lithium extraction from alkaline roasting slag of spodumene: kinetics and mechanism","authors":"Shengxuan Zhao , Enpei Zhu , Chao Luo , Li Zhu , Zhiqi Chen , Macong Duan , Xiaoyuan Li , Linqing Dai , Gengwei Zhang , Likang Fu , Libo Zhang , Yonggang Zuo , Bingguo Liu","doi":"10.1016/j.cep.2026.110699","DOIUrl":"10.1016/j.cep.2026.110699","url":null,"abstract":"<div><div>Lithium extraction from spodumene conventionally requires complex, energy-intensive processes involving high-temperature conversion of α-spodumene to β-spodumene, followed by acid roasting and leaching. Inspired by alkali fusion, we achieved microwave-assisted alkaline roasting of spodumene at only 250 °C, producing water- and acid-soluble salts and thereby substantially reducing the roasting temperature. However, efficient lithium recovery during subsequent leaching remains challenging. Here, we report an ultrasonic leaching (UL) strategy applied to microwave-roasted slag after water washing in a sulfuric acid medium. Under optimized conditions, lithium leaching efficiency reached 99.9%, representing a 27% improvement over conventional leaching (CL). Kinetic analysis revealed that ultrasound reduced the apparent activation energy from 32.61 kJ·mol<sup>-1</sup> (CL) to 20.68 kJ·mol<sup>-1</sup>. Mechanistic studies showed that ultrasound disrupts diffusion boundary layers, decreases particle size, and enhances interfacial mass transfer and infiltration, thereby accelerating lithium dissolution. This microwave-ultrasound synergistic strategy provides a highly efficient, sustainable, and environmentally friendly approach for lithium extraction, establishing a promising paradigm for process intensification in green hydrometallurgy.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110699"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145923455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Citric acid production: A comprehensive assessment from a fermentation strategy to a circular economy process 柠檬酸生产：从发酵策略到循环经济过程的综合评估

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2025-12-31 DOI: 10.1016/j.cep.2025.110694

Teresa Lopez-Arenas , Kevin Palacios-Samano , Hector Hernandez-Escoto , Mauricio Sales-Cruz

{"title":"Citric acid production: A comprehensive assessment from a fermentation strategy to a circular economy process","authors":"Teresa Lopez-Arenas , Kevin Palacios-Samano , Hector Hernandez-Escoto , Mauricio Sales-Cruz","doi":"10.1016/j.cep.2025.110694","DOIUrl":"10.1016/j.cep.2025.110694","url":null,"abstract":"<div><div>Currently, Mexican sugar mills, in addition to producing saccharose as their main product, obtain molasses as a byproduct and bagasse as an agro-industrial waste. Molasses is marketed or used in distilleries within the mill to produce anhydrous ethanol, but with low profitability. Bagasse is burned to produce steam and electricity, generating environmental problems. Therefore, from a circular economy perspective, the objective of this study is to propose a strategy for the modernization and adaptation of a sugar mill to a biorefinery to diversify the commercialization of its products, improving the economics and sustainability of the industrial process. The proposed methodology considers the design, simulation, and technoeconomic evaluation of a sugarcane biorefinery to produce citric acid and biofertilizer using two scenarios: one using bagasse and the other using molasses as feedstocks. The study first considers an analysis of the Mexican market to determine the availability of feedstocks and the installed capacity of the proposed biorefinery. Next, the operation mode of the fermentation reactor (i.e., batch or fed-batch) is studied as a strategy to increase citric acid productivity. Finally, the biorefinery is technically and economically evaluated under different operating conditions to determine the feasibility and profitability of the industrial process.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":"221 ","pages":"Article 110694"},"PeriodicalIF":3.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145923578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The central role of materials in heterogeneous catalytic intensified processes 材料在多相催化强化过程中的中心作用

IF 3.9 3区工程技术

Chemical Engineering and Processing - Process Intensification Pub Date : 2026-03-01 Epub Date: 2025-12-30 DOI: 10.1016/j.cep.2025.110691

Reyes Mallada

引用次数: 0