Bioresource Technology Reports最新文献_第3页

Bioconversion of spent passion fruit rind to ethanol: Integrating hemicellulose hydrolysis and detoxification 废西番莲果皮生物转化为乙醇：整合半纤维素水解和解毒

Bioresource Technology Reports Pub Date : 2025-06-23 DOI: 10.1016/j.biteb.2025.102193

Kakali Borah , Vaibhav V. Goud

{"title":"Bioconversion of spent passion fruit rind to ethanol: Integrating hemicellulose hydrolysis and detoxification","authors":"Kakali Borah , Vaibhav V. Goud","doi":"10.1016/j.biteb.2025.102193","DOIUrl":"10.1016/j.biteb.2025.102193","url":null,"abstract":"<div><div>Effective fermentation of the hemicellulosic fraction, which constitutes approximately one-third of lignocellulosic biomass, is essential for the advancing of second-generation bioethanol production. This study optimizes the dilute sulfuric acid pretreatment by response surface methodology (RSM) to increase xylose release and minimize fermentation inhibitors from spent passion fruit rind (SPFR) residue. The optimized parameters (114 °C, 9.8 min, and 0.2 M H<sub>2</sub>SO<sub>4</sub>) yielded a xylose concentration of 121.8 mg/g db, accompanied by 2.3 mg/g db furfural production. Detoxification with overliming (Ca(OH)<sub>2</sub>, pH 11) further reduced inhibitory chemicals by 12–23 %, improving fermentative compatibility. Subsequent fermentation of detoxified hydrolysate using <em>Pichia (Scheffersomyces) stipitis</em> produced an ethanol concentration of 9.7 g/L, achieving a yield of 0.42 g/g. The batch fermentation of SPFR-derived xylose rich hydrolysate demonstrates effective bioethanol production from the hemicellulosic fraction, supporting its potential use in second-generation bioethanol.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102193"},"PeriodicalIF":0.0,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144489916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Addressing the influence of homoacetogenesis and syntrophic oxidation of acetate on methanogenic activity via the use of inhibitors 通过抑制剂的使用，探讨了醋酸同质生成和醋酸合养氧化对产甲烷活性的影响

Bioresource Technology Reports Pub Date : 2025-06-23 DOI: 10.1016/j.biteb.2025.102192

Mateo Ribeiro, Liliana Borzacconi, Iván López

{"title":"Addressing the influence of homoacetogenesis and syntrophic oxidation of acetate on methanogenic activity via the use of inhibitors","authors":"Mateo Ribeiro, Liliana Borzacconi, Iván López","doi":"10.1016/j.biteb.2025.102192","DOIUrl":"10.1016/j.biteb.2025.102192","url":null,"abstract":"<div><div>Methanogenic activity tests are a cost-effective tool for controlling the operation of full-scale anaerobic reactors. They serve as indicators of inoculum quality and provide an estimate of the maximum methane production rate from either acetate (in the aceticlastic activity test) or hydrogen and carbon dioxide (in the hydrogenotrophic activity test). This work addresses an often neglected point: the role of the reversible homoacetogenesis route in methane production during the test, which could distort the kinetic parameters obtained for each group of methanogenic archaea (aceticlastic and hydrogenotrophic). To investigate this phenomenon, and for the first time, a dual inhibitor methodology was developed based on performing activity tests with different concentrations of an archaeal inhibitor, 2-bromoethanesulfonate (BES), to selectively inhibit methanogenesis and a bacterial inhibitor, ampicillin, to inhibit reversible homoacetogenic reactions. For the inoculum source studied, it was found that hydrogen consumed by the homoacetogenic pathway was less than 5 % of the total hydrogen consumption in the hydrogenotrophic activity tests, whereas in the aceticlastic activity tests, the methane formed by the alternative homoacetogenic pathway became important only if aceticlastic methanogens were inhibited. In addition, the monitoring of an industrial reactor is analyzed considering these results, confirming the importance of the hydrogenotrophic pathway and the resilience of the sludge.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102192"},"PeriodicalIF":0.0,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144501237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reducing nutrient requirement using nitrogen-fixing bacteria for microalgae cultivation 利用固氮菌培养微藻，降低对养分的需求

Bioresource Technology Reports Pub Date : 2025-06-20 DOI: 10.1016/j.biteb.2025.102180

L. Melkonyan , A. Ferreira , C.R.V. Bastos , D. Figueiredo , T. Lopes da Silva , G. Avetisova , Zh. Karapetyan , A. Toplaghaltsyan , L. Gouveia

{"title":"Reducing nutrient requirement using nitrogen-fixing bacteria for microalgae cultivation","authors":"L. Melkonyan , A. Ferreira , C.R.V. Bastos , D. Figueiredo , T. Lopes da Silva , G. Avetisova , Zh. Karapetyan , A. Toplaghaltsyan , L. Gouveia","doi":"10.1016/j.biteb.2025.102180","DOIUrl":"10.1016/j.biteb.2025.102180","url":null,"abstract":"<div><div>In environments, microalgae have been observed to coexist with bacteria. Different nitrogen-fixing bacteria (NFB) were isolated from Armenian soils and their growth was evaluated in co-cultivation with the microalga <em>Tetradesmus obliquus</em> and cyanobacteria <em>Synechocystis</em> sp. PCC 6803. The most effective mutualistic consortium was <em>T. obliquus</em>-NFB5 (<em>Sphingobacterium</em> sp. L13G8). This resulted an increase in both populations, chlorophyll fluorescence, biomass protein, carbohydrate content, an effect on lipid metabolism, without the need for external nitrogen. The findings demonstrated the significance of employing NFB for microalga growth, as they facilitate the essential nitrogen provision in N-free Bristol medium. Moreover, in mutualistic consortia, microalgae facilitate the exudation of dissolved organic carbon and O<sub>2</sub> to bacteria, which, in turn, become available for bacteria, thereby reducing the necessity for energy-consuming aeration processes in co-cultivation. In return, the bacteria provide the microalgae with CO₂, B vitamins and demineralize N₂, P, S, thereby further supporting the growth of microalgae.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102180"},"PeriodicalIF":0.0,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydrodynamic analysis of biocarrier arrangement configurations in moving bed biofilm reactors: CFD-based investigation 移动床生物膜反应器中生物载体排列构型的流体动力学分析：基于cfd的研究

Bioresource Technology Reports Pub Date : 2025-06-20 DOI: 10.1016/j.biteb.2025.102182

Mina Danial , Mohamed M. Meky , Mohamed N. Ali , Fatma Mohamed Hassan Shaltout

{"title":"Hydrodynamic analysis of biocarrier arrangement configurations in moving bed biofilm reactors: CFD-based investigation","authors":"Mina Danial , Mohamed M. Meky , Mohamed N. Ali , Fatma Mohamed Hassan Shaltout","doi":"10.1016/j.biteb.2025.102182","DOIUrl":"10.1016/j.biteb.2025.102182","url":null,"abstract":"<div><div>Based on the importance of bio-carrier arrangement and its remarkable effect on mass transfer, aeration efficiency, and biofilm growth in MBBRs. Four numerical models were performed based on four different bio-carrier packing configurations to study their hydrodynamic characteristics. This numerical study analyzes the impact of structured arrangement (rectangular and staggered) and unstructured (loose and dense random) bio-carrier configurations on key hydraulic parameters, represented in air distribution, water velocity profile, and pressure drop within the reactor. A 2-D model was performed using ANSYS Workbench (2024), depending on the Eulerian multiphase model and k-ε turbulence modeling to represent and simulate the multi-phase interactions. The results revealed that structured bio-carrier configurations offer better flow stability and energy efficiency. At the same time, random arrangements may be beneficial for high-BOD wastewater treatment where enhanced mixing is required. These findings provide valuable insights for optimizing MBBR design, balancing aeration efficiency, pollutant removal, and operational sustainability.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102182"},"PeriodicalIF":0.0,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144470872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A comprehensive review of invasive Urena lobata fibers and their composites 侵入性叶尿纤维及其复合材料综述

Bioresource Technology Reports Pub Date : 2025-06-19 DOI: 10.1016/j.biteb.2025.102172

Chioma E. Njoku , Samuel A. Iwarere , Michael O. Daramola

{"title":"A comprehensive review of invasive Urena lobata fibers and their composites","authors":"Chioma E. Njoku , Samuel A. Iwarere , Michael O. Daramola","doi":"10.1016/j.biteb.2025.102172","DOIUrl":"10.1016/j.biteb.2025.102172","url":null,"abstract":"<div><div>The research on biomass from natural fibers represents a promising path for developing environmentally friendly composite materials. Bast fibers sourced from plants are renowned for their superior mechanical properties and versatility, making them suitable for various applications. Fibers from the <em>Urena lobata</em> plant, an invasive species found in tropical and subtropical regions, have traditionally been used for making bags, mats, and ropes. These fibers exhibit significant potential as reinforcement materials in composites, enabling the production of high-value products. This review offers the first comprehensive analysis of <em>Urena lobata</em> fibers and their composites, starting with discussions on natural fibers and bast fibers, followed by an exploration of the characterization and properties of <em>Urena lobata</em> fibers. A general overview of biocomposites, including their micromechanical modeling and bast fiber biocomposites, is provided. It then examines the performance of <em>Urena lobata</em> fiber composites in thermosets, thermoplastics, and biobased polymers. The review also outlines the various applications of <em>Urena lobata</em> fiber-reinforced composites, including fiberglass replacement, ballistic materials, building and construction applications, as well as yarn and paper production. Additionally, it discusses the life cycle assessment and limitations of using <em>Urena lobata</em> fibers and their composites, alongside the significant opportunities they present for the future.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102172"},"PeriodicalIF":0.0,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144470873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Valorisation of pomegranate waste: A sustainable approach to harnessing natural antioxidants 石榴废物的增值：利用天然抗氧化剂的可持续方法

Bioresource Technology Reports Pub Date : 2025-06-19 DOI: 10.1016/j.biteb.2025.102178

Nadia Shahbazi, Ali Azizi, Mohammad Sayyari, Forouh Sadat Seyedi, Seyyed Hossein Pourhosseini

引用次数: 0

Adsorption kinetics and thermodynamics of Fe3O4-nanoparticle-based detoxification of process inhibitors in pretreated waste potato peel hydrolysate 基于纳米fe3o4的工艺抑制剂在预处理马铃薯皮水解废液中的吸附动力学和热力学

Bioresource Technology Reports Pub Date : 2025-06-19 DOI: 10.1016/j.biteb.2025.102185

Adeniyi P. Adebule, Isaac A. Sanusi, Gueguim E.B. Kana

{"title":"Adsorption kinetics and thermodynamics of Fe3O4-nanoparticle-based detoxification of process inhibitors in pretreated waste potato peel hydrolysate","authors":"Adeniyi P. Adebule, Isaac A. Sanusi, Gueguim E.B. Kana","doi":"10.1016/j.biteb.2025.102185","DOIUrl":"10.1016/j.biteb.2025.102185","url":null,"abstract":"<div><div>This study evaluates the efficiency of Fe<sub>3</sub>O<sub>4</sub> nanoparticle adsorbent based on contact time, pH, temperature, inhibitors' initial concentration and nanoadsorbent dosage in the removal of inhibitory compounds (ICs) in pretreated waste potato peel hydrolysate using batch adsorption studies. The results revealed chemisorptive interaction between the nanoadsorbent and the ICs. The adsorption of phenol and HMF closely followed the Langmuir model (<em>R</em><sup><em>2</em></sup> = 0.997 and 0.966, respectively). Meanwhile, acetic acid and formaldehyde adsorption followed the Freundlich model (<em>R</em><sup><em>2</em></sup> = 0.985 and 0.980, respectively), whereas furfural followed the Temkin model (<em>R</em><sup><em>2</em></sup> = 0.970). Moreover, the ΔG<sup>0</sup> (the thermodynamics) decreased with increasing temperature, implying that the nature of the adsorption process is spontaneous (shown by ΔS<sup>0</sup>) and endothermic (indicated by ΔH<sup>0</sup>), except for furfural inhibitor. Fe<sub>3</sub>O<sub>4</sub>-nano-based adsorbent demonstrates a multi-adsorption mechanism capable of both uniform and variable binding, primarily relying on strong interactions with adsorbate molecules, which is consistent with chemisorptive mechanisms.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102185"},"PeriodicalIF":0.0,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microalgae biomass as a sustainable solution for food security: Advances in biotechnology and their role in achieving Sustainable Development Goals 微藻生物质作为粮食安全的可持续解决方案：生物技术进展及其在实现可持续发展目标中的作用

Bioresource Technology Reports Pub Date : 2025-06-18 DOI: 10.1016/j.biteb.2025.102183

Maricarmen Iñiguez-Moreno , Georgia María González-Meza , Rafael G. Araújo , Elda A. Flores-Contreras , Orlando de la Rosa

{"title":"Microalgae biomass as a sustainable solution for food security: Advances in biotechnology and their role in achieving Sustainable Development Goals","authors":"Maricarmen Iñiguez-Moreno , Georgia María González-Meza , Rafael G. Araújo , Elda A. Flores-Contreras , Orlando de la Rosa","doi":"10.1016/j.biteb.2025.102183","DOIUrl":"10.1016/j.biteb.2025.102183","url":null,"abstract":"<div><div>Current agricultural systems are not sustainable and are based on exploiting resources and harmful practices. Microalgae offer a sustainable alternative due to their high nutritional value, rapid growth, and low resource requirements. They are rich in proteins, fatty acids, antioxidants, and pigments and serve as functional food ingredients. Advances in biotechnology have improved their commercial potential, but regulatory constraints limit the use of bioactive compounds. Microalgae contribute to several Sustainable Development Goals (SDGs), including food security (SDG 2), health (SDG 3), sustainable production (SDG 12), emission reduction (SDG 13), and aquatic food sustainability (SDG 14). Improving digestibility, optimizing large-scale production, and improving consumer awareness can drive their integration into the food industry. This overview highlights the role of microalgae in achieving the SDGs, promoting their sustainable use in food systems, and strengthening the need for policy and technological advancements to foster their growth in the sector.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102183"},"PeriodicalIF":0.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144330804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structure of a methanogenic granular sludge from an industrial lagoon digester determined by different microscopies 工业泻湖消化池产甲烷颗粒污泥结构的不同显微镜测定

Bioresource Technology Reports Pub Date : 2025-06-18 DOI: 10.1016/j.biteb.2025.102181

Lucas S. Miranda , Patricia L. Sarmiento , María Dolores González , Javier G. Fernández-Velasco

{"title":"Structure of a methanogenic granular sludge from an industrial lagoon digester determined by different microscopies","authors":"Lucas S. Miranda , Patricia L. Sarmiento , María Dolores González , Javier G. Fernández-Velasco","doi":"10.1016/j.biteb.2025.102181","DOIUrl":"10.1016/j.biteb.2025.102181","url":null,"abstract":"<div><div>This is the first report describing the presence of granular sludge in an anaerobic digester lagoon (∼10<sup>4</sup> m<sup>3</sup>, 200 m<sup>3</sup>/h continuous input flow since 14 years ago). The lagoon corresponds to a chicken slaughterhouse. The granules are similar to the ones generated in Upflow Anaerobic Sludge Blanket (UASB) or equivalent systems. Granules are elongated and flattened bodies (∼0.5–13 mm maximal length). The outer surface contains pores and, as well as the interior, it has a complex array of microorganisms, both single cells or aggregates and numerous filaments. Sections show concentric growth layers. In the center, there are structures of biological or inorganic nature, as woody tissue or crystalline components, including framboidal pyrite, which suggests an initial nucleating role. Energy Dispersive X-ray Spectroscopy shows that crystals contain C, O, Fe, S and/or Si. The vitality in ∼1 mm granules is high, whereas in larger ones decreases towards the center. Thus, most of methanogenesis would possibly take place close to the granule periphery where cavities highly coated with microbes are detected. The filamentous microorganisms and the presence of an extracellular polymeric substance rich in polysaccharides would contribute to the remarkable granule structural stability. The granules also have a strong functional stability.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102181"},"PeriodicalIF":0.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144330803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microalgae: Recent micro to macro-applications in South East Asia 微藻：最近在东南亚从微观到宏观的应用

Bioresource Technology Reports Pub Date : 2025-06-17 DOI: 10.1016/j.biteb.2025.102184

Hung Hui Chung , Leonard Whye Kit Lim , Qamarul Hafiz Zainol Abidin , Wei Wei Wan

{"title":"Microalgae: Recent micro to macro-applications in South East Asia","authors":"Hung Hui Chung , Leonard Whye Kit Lim , Qamarul Hafiz Zainol Abidin , Wei Wei Wan","doi":"10.1016/j.biteb.2025.102184","DOIUrl":"10.1016/j.biteb.2025.102184","url":null,"abstract":"<div><div>Microalgae are unicellular organisms found in aquatic environments, playing a key role in carbon fixation and oxygen production through photosynthesis. They produce valuable bioactive compounds such as proteins, lipids, and antioxidants. Their wide-ranging applications make them a promising sustainable resource. In biofuel production, microalgae serve as an eco-friendly alternative to fossil fuels while aiding in carbon sequestration. In nutraceutical industries, they offer essential nutrients like omega-3 fatty acids and amino acids. The pharmaceutical sectors utilize microalgae-based nanocarriers for efficient drug delivery. Environmentally, microalgae are effective in wastewater treatment and bioremediation due to their pollutant-absorbing abilities. In Southeast Asia, the biomass energy market is expected to grow at 7.6 % compound annual growth rate from 2025 to 2034 and recent studies highlight their growing role in addressing sustainability challenges. As research advances, microalgae continue to emerge as a powerful tool in promoting green technology and solving global environmental and energy issues.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102184"},"PeriodicalIF":0.0,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0