{"title":"Tailoring Polyurethane Membranes With Nanofillers: A Pathway to Enhanced Gas Separation Efficiency","authors":"Morteza Asghari, Farzad Rayekan Iranagh, Mohammad Javad Parnian, Minoo Mosadegh, Ahad Khaghani","doi":"10.1002/cben.70051","DOIUrl":"https://doi.org/10.1002/cben.70051","url":null,"abstract":"<div>\u0000 \u0000 <p>The growing interest in utilizing mixed matrix membranes (MMMs) based on polyurethane (PU) for gas separation applications has prompted extensive research efforts in both industry and academia. Although incorporating different fillers has shown promising enhancements in the efficiency and durability of PU membranes, several challenges related to optimal filler integration need to be addressed. This study aims to overcome these challenges by conducting a comprehensive investigation of the effects of incorporating commonly used fillers into PU membranes individually. Detailed outcomes for each filler are presented, highlighting their respective advantages and disadvantages. Furthermore, a comparative analysis of these fillers is performed to identify specific results efficient for industrial applications and future research. This research contributes to the advancement of MMMs by providing insights into the performance characteristics of different fillers in PU matrices. The findings serve as a valuable resource to optimize gas separation properties of PU-based membranes and overcome challenges associated with filler integration.</p>\u0000 </div>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 2","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147615374","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}
{"title":"Exploiting Microalgae Biorefineries for Low-Carbon Strategies in Sustainable Algae-Green Buildings","authors":"Sudhir Kumar Upadhyay, Adityas Agung Ramandani, Sirasit Srinuanpan, Kuan Shiong Khoo","doi":"10.1002/cben.70049","DOIUrl":"https://doi.org/10.1002/cben.70049","url":null,"abstract":"<div>\u0000 \u0000 <p>Carbon emissions from burning fossil fuels have intensified climate change, contributing to extreme weather, rising sea levels, and environmental degradation. In response, research has turned to algae-integrated green building systems to support low-carbon solutions. Microalgae biorefineries follow the principles of a circular bioeconomy by capturing carbon dioxide, converting biomass into biofuels, and aiding in wastewater treatment. Microalgae-based biomass offers a sustainable alternative to fossil-based products and help reduce atmospheric carbon levels. However, challenges remain in upstream and downstream processes, including the high cost of chemical culture media, energy demands for biomass harvesting, and intensive conversion techniques. Addressing these issues requires modifications in photobioreactor design and the use of affordable or recycled culture media. This review explores recent low-carbon technologies in microalgae biotechnology, emphasizing algae-integrated buildings. It examines various carbon capture strategies and the potential use of microalgae integrated into building systems, including energy generation, facades, and natural shading.</p>\u0000 </div>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 2","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147614835","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}
{"title":"Advancement in Anaerobic Digestion for Scaling-Up Biogas Production Through Food Waste Valorization","authors":"Poulami Chatterjee, Nabanita Saha, Petr Sáha","doi":"10.1002/cben.70050","DOIUrl":"https://doi.org/10.1002/cben.70050","url":null,"abstract":"<p>Around 1.3 billion tons of food is wasted globally per year, producing 3.3 billion tons of CO<sub>2</sub>. Anaerobic digestion (AD) of food waste (FW) is a sustainable and economical solution to this crisis, which produces biogas and aids in environmental protection by sequestering methane, a potent greenhouse gas. The nutrient-rich digestate slurry can be used as a bio-fertilizer. Thus, this process enhances logistics, reduces pollution, and facilitates resource recovery by lowering waste volume and transportation cost. This review article is divided into sections on FW classification, the biochemical pathway in AD, the microflora involved, key operating parameters, limiting factors in AD, and the use of additives to enhance biogas production. It also covers the current research gaps, challenges, and future perspectives. The findings demonstrated AD as a viable technology for converting FW to biogas. It will expand the knowledge of sustainable and scalable biogas generation by combining FW heterogeneity with cutting-edge AD methods, which can significantly improve the economic and commercial feasibility of FW valorization, pilot-scale productivity, and energy recovery in real-world applications.</p>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 2","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cben.70050","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147585200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Large-Scale Hydrogen Storage: Surface and Subsurface Challenges","authors":"Mostafa Montazeri, Alireza Salmachi, Manouchehr Haghighi, Tara Hosseini","doi":"10.1002/cben.70047","DOIUrl":"https://doi.org/10.1002/cben.70047","url":null,"abstract":"<p>This review assesses underground hydrogen storage (UHS) with a focus on surface facilities, such as compressors, purification units, and buffer tanks. Many studies emphasize reservoir behavior, yet surface systems strongly influence injection stability, withdrawal rates, energy use, and subsurface parameters. The inherently fluctuating flow rates and variable thermodynamic conditions of renewable hydrogen affect surface operation and also propagate to the subsurface. These variations alter mixing behavior, gas composition, and well integrity. In reverse, subsurface processes—including well and cement integrity, geochemical and biochemical reactions, and compositional changes—create feedback on wellhead pressure, temperature, and flow composition that influences surface-facility performance. A review of recent modeling frameworks highlights major gaps, especially in transient-flow treatment, thermodynamic interactions, equipment sizing, and the absence of a complete system model that couples surface facilities with subsurface behavior. The findings underline the need for fully integrated surface–subsurface modeling to support reliable and cost-effective UHS deployment.</p>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 2","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cben.70047","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147566854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Weiyun Wang, Can Zhou, Hangyu Huang, Ziyi Yuan, Rundong Li
{"title":"Preparation and Modification of Cellulose Nanomaterials Applied in CO2 Capture: A Review","authors":"Weiyun Wang, Can Zhou, Hangyu Huang, Ziyi Yuan, Rundong Li","doi":"10.1002/cben.70048","DOIUrl":"https://doi.org/10.1002/cben.70048","url":null,"abstract":"<div>\u0000 \u0000 <p>Cellulose-based materials, being renewable, eco-friendly, and abundant, have strong potential for CO<sub>2</sub> adsorption. Their adsorption performance depends on both the cellulose source and the preparation method. In addition, strategies for improving CO<sub>2</sub> capture depend on the type of cellulose used. This paper summarizes recent progress and evaluates the practical prospects of using cellulose nanomaterials for CO<sub>2</sub> adsorption and separation. It first introduces nanocellulose and its preparation methods. Then, it examines materials derived from cellulose, such as activated carbon and cellulose aerogels, for CO<sub>2</sub> capture. Also, this study compares cellulose preparation methods from different sources, analyzes their performance in CO<sub>2</sub> adsorption, and evaluates the impact of various modification techniques. Finally, it outlines current challenges, including scalability, cost-effectiveness, stability under realistic conditions, and suggests directions for future research aimed at developing cellulose-based adsorbents suitable for large-scale and industrial use, with a particular focus on comparative analysis of processing pathways and modification strategies.</p>\u0000 </div>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 2","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147566301","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}
{"title":"Microaeration Process Design, Control, and Monitoring for Biogas Desulfurization in Anaerobic Digestion","authors":"Samiullah Khaskheli, Anqi Mou, Bipro Ranjan Dhar","doi":"10.1002/cben.70046","DOIUrl":"https://doi.org/10.1002/cben.70046","url":null,"abstract":"<p>Microaeration has emerged as an effective in situ approach for biogas desulfurization in anaerobic digestion (AD). This review critically assessed the effects of key microaeration parameters, including injection locations (liquid vs. gas phase), oxygen source (air vs. pure oxygen), dosage, and process control and monitoring techniques. This review identified several challenges to its large-scale implementation, including a lack of optimal process design and limited economic analysis. Other key challenges include balancing oxygen injections to prevent methanogenic inhibition and organic co-oxidation, managing biogas dilution by residual oxygen and nitrogen, and the operational complexities associated with elemental sulfur removal. Proportional–integral–derivative (PID)-controlled systems that utilize oxidation-reduction potential and H<sub>2</sub>S feedback have strong potential for process automation; however, real-time monitoring tools and process control strategies are still in early stages of development. Moreover, its impact on hydrolysis, volatile solids reduction, and methane yield has been inconsistent. Addressing these gaps is crucial for the wide-scale application in AD facilities.</p>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 2","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cben.70046","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147563603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Acidic Ionic Liquids for Catalytic Transesterification and Esterification in Biodiesel Production","authors":"Yifan Li, Shanshan Li, Tianxiang Zhang, Lihong Guo, Wenlei Xie","doi":"10.1002/cben.70045","DOIUrl":"https://doi.org/10.1002/cben.70045","url":null,"abstract":"<div>\u0000 \u0000 <p>Acidic ionic liquids (AILs) are especially suitable for processing acidic oil feedstocks, as they exhibit tolerance toward free fatty acids (FFAs) and water and are capable of catalyzing both transesterification of triglycerides and esterification of FFAs in biodiesel production. This review systematically examines both homogeneous and heterogeneous AIL catalytic systems. For homogeneous systems, we analyze Lewis AILs, Brønsted AILs, and Brønsted–Lewis AILs, discussing their synthesis routes, acidity regulation strategies, and catalytic mechanisms. In heterogeneous systems, we comprehensively review AILs functionalized on various supports, including silica materials, magnetic nanomaterials, polymeric frameworks, and metal–organic frameworks (MOFs), with particular focus on their immobilization strategies, structural stability, and enhanced recyclability. Furthermore, we extend to incorporate emerging approaches beyond conventional catalyst analysis such as hierarchical pore design, energy-assisted intensification, and machine learning (ML) optimization. Finally, the main challenges of AILs currently faced in the field of biodiesel production are also put forward.</p>\u0000 </div>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 1","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146680543","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}
Noor Sharina Mohd Rosli, Rosazlin Abdullah, John Chi-Wei Lan, Piroonporn Srimongkol, Sirasit Srinuanpan, Kuan Shiong Khoo
{"title":"Closed-Loop Recycling and Circular Economy for Conversion of Solid Food Waste Into Biochar: A Review","authors":"Noor Sharina Mohd Rosli, Rosazlin Abdullah, John Chi-Wei Lan, Piroonporn Srimongkol, Sirasit Srinuanpan, Kuan Shiong Khoo","doi":"10.1002/cben.70044","DOIUrl":"https://doi.org/10.1002/cben.70044","url":null,"abstract":"<div>\u0000 \u0000 <p>Food waste management remains a pressing global challenge with substantial economic, environmental, and social implications. Among various waste valorization strategies, upcycling solid food waste residues into biochar has gained attention as a sustainable and efficient approach. This review explores the processes, benefits, and challenges associated with converting solid food waste into biochar. Several challenges, including variability in feedstock composition, production costs, and potential contamination with hazardous substances, were evaluated based on the efficacy of biochar. This review provides a comprehensive analysis of biochar production techniques and physicochemical properties considering the potential of food waste-derived biochar in advancing waste management and circular economy initiatives. Future research directions emphasize the need for standardized production methods and improved regulatory frameworks to enhance the large-scale feasibility of biochar application.</p>\u0000 </div>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 1","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146256401","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}
Devita Amelia, R. A. Ilyas, Mat Uzir Wahit, Novitri Hastuti, Olga Klinkova, Melbi Mahardika
{"title":"Controlled-Release Fertilizer: A Review on Biopolymers-Based Composite, Fabrication, and Application","authors":"Devita Amelia, R. A. Ilyas, Mat Uzir Wahit, Novitri Hastuti, Olga Klinkova, Melbi Mahardika","doi":"10.1002/cben.70043","DOIUrl":"https://doi.org/10.1002/cben.70043","url":null,"abstract":"<p>Controlled-release fertilizers (CRFs) offer a sustainable pathway to enhance nutrient use efficiency while reducing the environmental burdens associated with conventional fertilizers. By delivering nutrients in synchrony with plant demand, CRFs minimize volatilization, leaching, and eutrophication and support soil microbial function. Biopolymer-based matrices have emerged as promising candidates due to their biodegradability and tunable properties, yet their low mechanical strength and high permeability require reinforcement and improved processing strategies. Advances in coating technologies, ranging from chemical to solvent-free physical methods, have been key to improving CRF performance. Although chemical coatings are effective, their reliance on organic solvents motivates a shift toward greener techniques such as melt blending, spray coating, and extrusion. Melt blending is particularly attractive for its simplicity and compatibility with three-dimensional (3D) printing, enabling precise control of architecture and release kinetics. Remaining challenges include optimizing material formulations and tailoring release profiles to specific crops and environments.</p>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 1","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146136623","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}
Fawziah Alhajri, Mohamed Madani, Reemas Alashwan, Jore Aldossary, Sarah Al Yaseen, Maryam Albadran, Wejdan Alkinani, Ahmed Siddiq, Mohamed Mohamady Ghobashy
{"title":"Integrated Electrocoagulation Strategies for Wastewater Treatment and Renewable Hydrogen Production","authors":"Fawziah Alhajri, Mohamed Madani, Reemas Alashwan, Jore Aldossary, Sarah Al Yaseen, Maryam Albadran, Wejdan Alkinani, Ahmed Siddiq, Mohamed Mohamady Ghobashy","doi":"10.1002/cben.70042","DOIUrl":"https://doi.org/10.1002/cben.70042","url":null,"abstract":"<p>Electrocoagulation (EC) has emerged as an effective treatment technology capable of simultaneously removing pollutants and generating hydrogen as a valuable co-product. This review examines recent progress in EC fundamentals, electrode dissolution behavior, and key operational factors influencing contaminant removal and gas generation. Analysis of over 120 studies shows that EC achieves 75–98% chemical oxygen demand (COD) reduction, 80–99% turbidity removal, Faradaic efficiencies of 60–95%, and hydrogen yields of 80–300 L H<sub>2</sub> m<sup>−3</sup>, with energy consumption ranging from 25 to 120 kWh kg<sup>−1</sup> H<sub>2</sub>. Despite these promising results, scalability remains hindered by electrode passivation, energy intensity, sludge formation, and lack of standardized reactor configurations. Current research needs are identified in three-dimensional (3D) electrode designs, integrated EC–advanced oxidation process (AOP) and EC–membrane systems, and sludge utilization strategies. Particular focus is placed on the potential of EC-based hydrogen recovery to enhance energy self-sufficiency and advance circular-economy practices. The findings define major research priorities to establish EC as a combined platform for advanced wastewater treatment and sustainable hydrogen production.</p>","PeriodicalId":48623,"journal":{"name":"ChemBioEng Reviews","volume":"13 1","pages":""},"PeriodicalIF":6.2,"publicationDate":"2026-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146002260","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}