Sachini Supunsala Senadheera , Xiangzhou Yuan , Baojun Yi , Seong Kyun Im , Yong Sik Ok
{"title":"Plasma-modified biochar for energy and environmental sustainability","authors":"Sachini Supunsala Senadheera , Xiangzhou Yuan , Baojun Yi , Seong Kyun Im , Yong Sik Ok","doi":"10.1016/j.coche.2025.101166","DOIUrl":"10.1016/j.coche.2025.101166","url":null,"abstract":"<div><div>Biochar has recently emerged as a sustainable material with broad applicability in energy storage, contaminant removal, and carbon capture. However, its performance in these domains is often limited by intrinsic surface properties, including porosity and the abundance of functional groups. Plasma treatment has emerged as a promising postsynthesis strategy to tailor biochar’s surface chemistry and morphology. This short review highlights recent advances in the use of plasma-modified biochar for electrochemical energy storage, pollutant adsorption, and CO₂ capture. In energy storage, plasma modification enhances capacitance particularly in activated biochar by increasing surface area and functional group density. For CO₂ capture, nitrogen doping via plasma processes significantly improves adsorption capacity by enhancing surface basicity and affinity toward CO₂ molecules. In contaminant remediation, plasma treatment introduces oxygen- and nitrogen-containing functional groups, increases hydrophilicity, and promotes the formation of surface defects and active sites, collectively improving adsorption of metals and organic pollutants. Despite these promising advancements, research on plasma-treated biochar remains in its early stages, particularly in the context of direct CO₂ capture, warranting further investigation. Overall, plasma modification offers a versatile, scalable route to enhance the physicochemical properties of biochar, positioning it as a multifunctional platform for environmental and energy-related applications.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101166"},"PeriodicalIF":8.0,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144634124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Systematic multiscale strategies for chemical process/product design","authors":"Mariano Martín, Sofía González-Núñez","doi":"10.1016/j.coche.2025.101153","DOIUrl":"10.1016/j.coche.2025.101153","url":null,"abstract":"<div><div>The paradigm of process and product design represents the core problem for the current chemical industry. It corresponds to a multiscale problem, from the molecule to the process that uses it to produce power, recovers it as a valuable product or from the molecules that represent the ingredients to the supply chain toward the sustainable production of consumer goods. The problem requires a systematic approach to reduce the time to market. Mathematical optimization and advanced machine learning are powerful techniques for a robust problem formulation. However, problem size and complexity call for novel procedures and algorithms are required.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101153"},"PeriodicalIF":8.0,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144364798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Editorial overview: Kinetic models for radical polymerization and polymer recycling","authors":"Jie Jin, Yin-Ning Zhou, Zheng-Hong Luo","doi":"10.1016/j.coche.2025.101164","DOIUrl":"10.1016/j.coche.2025.101164","url":null,"abstract":"","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101164"},"PeriodicalIF":8.0,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144331451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Daniela Ferreira-Garcia , Suhail Haque , Ben Burke , Ariel L Furst , Gerardine G Botte
{"title":"Electrochemical organic waste conversion: a route toward food security and a circular economy","authors":"Daniela Ferreira-Garcia , Suhail Haque , Ben Burke , Ariel L Furst , Gerardine G Botte","doi":"10.1016/j.coche.2025.101156","DOIUrl":"10.1016/j.coche.2025.101156","url":null,"abstract":"<div><div>Rising global food demand requires rethinking fertilizer production. The current Haber-Bosch process, while fundamental to nitrogen fertilizer, consumes 1–2% of global energy and generates 1.4% of CO<sub>2</sub> emissions. Projected population growth will increase nitrogen demand 50% by 2050. Waste valorization through electrocatalytic approaches offers a sustainable solution, targeting municipal, agricultural, and animal waste streams. Analysis shows US municipal wastewater biosolids alone could provide 9% of nitrogen and 32% of phosphorus needs in the United States. The transition from centralized fertilizer production to a distributed production model requires new chemical engineering approaches, emphasizing local resource integration, system optimization, and circular economy principles.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101156"},"PeriodicalIF":8.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144307247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Intensified physical and chemical processing using cavitation: how far are we from commercial applications of hydrodynamic cavitation?","authors":"Surya Teja Malkapuram, Shirish H Sonawane","doi":"10.1016/j.coche.2025.101154","DOIUrl":"10.1016/j.coche.2025.101154","url":null,"abstract":"<div><div>Cavitation — the formation, growth, and subsequent violent collapse of bubbles in a liquid — arises from localized pressure drops that trigger either liquid vaporization or the expansion of dissolved gas nuclei. This review examines recent technological advancements in cavitation, assessing its detection and quantification methods. It highlights transformative HC applications in areas such as wastewater treatment (e.g. pollutant degradation via chemical processing) and material synthesis and processing (e.g. particle size control and cell wall disruption via physical effects). Existing pilot-scale implementations are also reviewed, with an emphasis on reactor design, operational parameters, and the pressing question: How close are we to widespread commercial deployment? Key challenges, including enhancing energy efficiency and developing robust scale-up strategies, are discussed in the context of bridging the gap between laboratory research and industrial practice. While significant progress has been made, continued research and development in these areas are essential to fully realize the commercial potential of cavitation.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101154"},"PeriodicalIF":8.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144307244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Editorial overview: Intensified physical and chemical processing","authors":"Parag Gogate , Sivakumar Manickam","doi":"10.1016/j.coche.2025.101155","DOIUrl":"10.1016/j.coche.2025.101155","url":null,"abstract":"","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101155"},"PeriodicalIF":8.0,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144271739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mert Can Hacıfazlıoğlu , Salman Ahmadipouya , Deniz Ipekci , Ying Li , Manish Kumar , Jamie Warner , Yuepeng Zhang , Jeffrey R. McCutcheon
{"title":"Customized membranes: needs and opportunities for moving beyond conventional interfacial polymerization for desalination membranes","authors":"Mert Can Hacıfazlıoğlu , Salman Ahmadipouya , Deniz Ipekci , Ying Li , Manish Kumar , Jamie Warner , Yuepeng Zhang , Jeffrey R. McCutcheon","doi":"10.1016/j.coche.2025.101151","DOIUrl":"10.1016/j.coche.2025.101151","url":null,"abstract":"<div><div>Reverse osmosis (RO) has constituted most of the installed desalination capacity in recent decades. Commercial membranes offer excellent selectivity and reasonable productivity. These membranes, however, suffer from several weaknesses that stem from the use of interfacial polymerization as a means of manufacturing. The inability to control thickness, adjust easily to new chemistries, and avoid surface roughness that enhances foulilng propensity are a few of the weaknesses to conventional membrane fabrication. Numerous materials have been proposed as alternatives to polyamide for RO in recent decades. However, in spite of numerous publications on these new materials, it is remarkable to see how <em>none</em> has even come close to succeeding in replacing conventional RO membrane materials in a commercial setting. This is largely because many of these new materials are incompatible with existing membrane manufacturing approaches such as interfacial polymerization. We must be able to process new materials into thin, defect-free films on conventional supports. This is a significant hurdle for new material adoption in membranes today. New manufacturing methods are needed to address the inherent weaknesses of interfacial polymerization for polyamide and the general processing of newly discovered materials into thin film composite membranes for RO and nanofiltration platforms.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101151"},"PeriodicalIF":8.0,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144262063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nguyên Hoàng Ly , Lalitha Gnanasekaran , Tejraj M Aminabhavi , Yasser Vasseghian , Sang-Woo Joo
{"title":"Erratum to “Photogenerated charge carriers in photocatalytic materials for solar hydrogen evolution” [Curr Opin Chem Eng 47 (2025) 1087]","authors":"Nguyên Hoàng Ly , Lalitha Gnanasekaran , Tejraj M Aminabhavi , Yasser Vasseghian , Sang-Woo Joo","doi":"10.1016/j.coche.2025.101149","DOIUrl":"10.1016/j.coche.2025.101149","url":null,"abstract":"","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101149"},"PeriodicalIF":8.0,"publicationDate":"2025-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144230984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Kinetic modeling for radical polymerization and depolymerization","authors":"Yue Fang, Hanyu Gao","doi":"10.1016/j.coche.2025.101152","DOIUrl":"10.1016/j.coche.2025.101152","url":null,"abstract":"<div><div>Radical polymerization and its reverse process, radical depolymerization, are central to modern polymer manufacturing and recycling strategies. This review highlights recent advances in understanding the mechanisms and modeling techniques. Enhanced deterministic and stochastic models have successfully described the complexities of radical polymerization processes. Parallel breakthroughs in radical depolymerization kinetics, particularly through end-group-assisted unzipping and visible-light activation, have facilitated efficient monomer recovery under milder reaction conditions. Additionally, advanced modeling leveraging quantum chemistry and machine learning and experimental validations has significantly boosted predictive accuracy. By integrating state-of-the-art kinetic modeling with sustainable design principles, researchers are progressively establishing foundations for closed-loop polymer lifecycles.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"49 ","pages":"Article 101152"},"PeriodicalIF":8.0,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144221319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Next-generation nanobioengineered materials for micro- and nano-plastic detection","authors":"Kshitij RB Singh , Jay Singh , Shyam S. Pandey","doi":"10.1016/j.coche.2025.101102","DOIUrl":"10.1016/j.coche.2025.101102","url":null,"abstract":"<div><div>Micro- and nano-plastics (MNPs) have garnered global attention as pervasive and emerging contaminants due to their potential risks to humans and the environment. Their toxicity, bioaccumulation, and oxidative stress disrupt ecosystems, demanding an urgent need for risk monitoring. A thorough understanding of the extent of the problem and the need for an amicable solution utilizing nanobioengineered materials is highly desired owing to their unique properties, such as tailored surface chemistry, specificity, and high sensitivity. These properties allow them to interact with the contaminants at the molecular level, making them suitable for MNP detection. Moreover, they have the potential to overcome challenges, such as the complex environmental matrices, data reproducibility, and inefficient sampling faced by pre-existing techniques, making them a promising tool for detecting MNPs. This review presents the importance of next-generation nanobioengineered materials for developing biosensors for MNP detection, and efforts have also been directed to enrich the awareness of the researchers working in this domain by providing innovative solutions to challenges faced by pre-existing techniques. Additionally, utilizing these materials in biosensing devices helps to attain the Sustainable Development Goals of the United Nations by bridging Nano-biotechnology and environmental science, fostering future research, and shaping policies to combat MNP pollution.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"48 ","pages":"Article 101102"},"PeriodicalIF":8.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144240724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}