Integrating 3D Printed Microreactors and Microseparators for Efficient Biodiesel Production

Chemical Engineering and Processing - Process Intensification, Journal Year: 2025, Volume and Issue: 209, P. 110165 - 110165

Published: Jan. 10, 2025

Language: Английский

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Optimizing enzymatic bioreactors: The role of mass transfer in enhancing catalytic efficiency and stability

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: 508, P. 160844 - 160844

Published: Feb. 26, 2025

Language: Английский

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Recent insight into the advances and prospects of microbial lipases and their potential applications in industry

International Microbiology, Journal Year: 2024, Volume and Issue: 27(6), P. 1597 - 1631

Published: March 15, 2024

Language: Английский

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Green Techniques for Detecting Microplastics in Marine with Emphasis on FTIR and NIR Spectroscopy—Short Review

Processes, Journal Year: 2023, Volume and Issue: 11(8), P. 2360 - 2360

Published: Aug. 5, 2023

The amount of microplastics (MPs) present in marine ecosystems are a growing concern, with potential impacts on human health because they associated an increase the ecotoxicity certain foods, such as fish. As result, there has been interest developing effective methods for analysis MPs waters. Traditional MP involve visual inspection and manual sorting, which can be time-consuming subject to error. However, novel have developed that offer more efficient accurate analyses. One method is based spectroscopy, Fourier transform infrared spectroscopy (FTIR). Another involves use fluorescent dyes, selectively bind allow their detection under UV light. Additionally, machine learning approaches analyze large volumes water samples classification. These specialized algorithms identify classify size, shape, texture. Overall, these analyses waters, essential understanding extent pollution mitigation strategies. still need continued research development optimize improve sensitivity accuracy.

Language: Английский

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Innovations in packed-bed reactors utilizing immobilized lipase catalysts: A comprehensive technical and scientific review

Molecular Catalysis, Journal Year: 2025, Volume and Issue: 573, P. 114814 - 114814

Published: Jan. 5, 2025

Language: Английский

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Trends in the Use of Lipases: A Systematic Review and Bibliometric Analysis

Foods, Journal Year: 2023, Volume and Issue: 12(16), P. 3058 - 3058

Published: Aug. 15, 2023

Scientific mapping using bibliometric data network analysis was applied to analyze research works related lipases and their industrial applications, evaluating the current state of research, challenges, opportunities in use these biocatalysts, based on evaluation a large number publications topic, allowing comprehensive systematic analysis, which had not yet been conducted relation studies specifically covering applications. Thus, involving lipase enzymes published from 2018 2022 were accessed Web Science database. The extracted records result terms bibliographic compatibility among articles, co-occurrence keywords, co-citation journals VOSviewer algorithm construction maps. This review 357 documents, including original revealed inspired by period, showing that development together with different areas knowledge, presents good results applications lipases, due information synchronization. Furthermore, this showed main challenges regarding increased production operational stability; establishing well-defined criteria, such as cultivation conditions, activity, biocatalyst stability, type support reactor; thermodynamic studies; reuse cycles; it can assist defining goals for successful large-scale several points improvement future enzymes.

Language: Английский

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Structure and Microchannel Catalytic Bed Performance of Silver Thin Films Prepared by Electroplating

Catalysts, Journal Year: 2024, Volume and Issue: 14(1), P. 39 - 39

Published: Jan. 5, 2024

The morphology of catalysts in microchannels plays a crucial role the orbital maneuvering and networking applications micro/nano satellites using hydrogen peroxide as unit propellant. In this paper, microfluidic reaction chip was designed fabricated to detect rate catalytic decomposition solution by microchannel bed. addition, silver thin film prepared constant-current electroplating used substrate for catalyst. results show that ratio surface area average particle size particles have significant positive correlation on decomposition, while thickness, content, roughness no effect decomposition. performance bed is greatly influenced conditions electroplating, namely, temperature (T), time (t), current (I). And when I = 0.3 mA, t 180 s, T 60 °C, reaches optimal solution. This study has best process parameters design optimization heterogeneous applied reactors.

Language: Английский

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Kinetic Aspects of Esterification and Transesterification in Microstructured Reactors

Molecules, Journal Year: 2024, Volume and Issue: 29(15), P. 3651 - 3651

Published: Aug. 1, 2024

Microstructured reactors offer fast chemical engineering transfer and precise microfluidic control, enabling the determination of reactions' kinetic parameters. This review examines recent advancements in measuring microreaction kinetics. It explores modeling, reaction mechanisms, intrinsic equations pertaining to two types microreaction: esterification transesterification reactions involving acids, bases, or biocatalysts. The utilization a micro packed-bed reactor successfully achieves harmonious combination micro-dispersion state characteristics. Additionally, this presents micro-process simulation software advanced integration microreactors with spectroscopic analyses for monitoring data acquisition. Furthermore, it elaborates on control principles platform. superiority online measurement, automation, digitalization process measurements is highlighted, showcasing vast prospects artificial intelligence applications.

Language: Английский

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Continuous-Flow Chemoenzymatic Enantioselective Synthesis of Chiral α-Mono- and Difluoromethyl Amines

ACS Catalysis, Journal Year: 2023, Volume and Issue: 13(19), P. 12960 - 12969

Published: Sept. 20, 2023

The enantioselective synthesis of chiral fluorinated amines is great importance but highly challenging in synthetic chemistry and the pharmaceutical industry. Herein, we established a chemoenzymatic cascade for α-mono- difluoromethyl from easily available β-keto-acid esters water–oil–solid multiphasic systems via two catalytic modules, i.e., organo-enzymatic decarboxylative fluorination bienzymatic reductive amination. An efficient continuous system was constructed by stepwise enzyme immobilization, biphasic construction, continuous-flow operation to achieve process intensification. flow achieved high space-time yield up 19.7 g L–1 h–1, which 35-fold enhancement compared batch using free enzymes, also demonstrated operational stability, maintaining 87% production activity after 96 h with half-life 443.9 h.

Language: Английский

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Co-immobilization of amine dehydrogenase and glucose dehydrogenase for the biosynthesis of (S)-2-aminobutan-1-ol in continuous flow

Bioresources and Bioprocessing, Journal Year: 2024, Volume and Issue: 11(1)

Published: July 18, 2024

Abstract Reductive amination by amine dehydrogenases is a green and sustainable process that produces only water as the by-product. In this study, continuous flow was designed utilizing packed bed reactor filled with co-immobilized dehydrogenase wh84 glucose for highly efficient biocatalytic synthesis of chiral amino alcohols. The immobilized exhibited better thermo-, pH solvent stability high activity recovery. ( S )-2-aminobutan-1-ol produced in up to 99% conversion ee processes, space-time yields were 124.5 g L -1 d . reactions also extended 48 h affording 91.8% average conversions. This study showcased important potential production alcohols processes.

Language: Английский

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