RSC sustainability最新文献_第3页

Effects of chemical pretreatment on the enzymatic hydrolysis of post-consumer waste viscose† 化学预处理对消费后废弃粘胶†酶水解的影响

RSC sustainability Pub Date : 2024-10-31 DOI: 10.1039/D4SU00486H

Edvin Bågenholm-Ruuth, Mahla Bagherigelvardi, Caroline Gustafsson, Miguel Sanchis-Sebastiá and Ola Wallberg

{"title":"Effects of chemical pretreatment on the enzymatic hydrolysis of post-consumer waste viscose†","authors":"Edvin Bågenholm-Ruuth, Mahla Bagherigelvardi, Caroline Gustafsson, Miguel Sanchis-Sebastiá and Ola Wallberg","doi":"10.1039/D4SU00486H","DOIUrl":"https://doi.org/10.1039/D4SU00486H","url":null,"abstract":"The pretreatment of post-consumer waste viscose before enzymatic hydrolysis was tested and evaluated to develop a tertiary recycling strategy for waste viscose, as no such strategy currently exists. There were differences between hydrolyzability of pre-consumer and post-consumer viscose, as we obtained 100% glucose yield from pre-consumer viscose while only 60–80% could be achieved from post-consumer, which we attributed to the inhibition – induced by contaminants that accumulated in the post-consumer viscose during its manufacture and use. Dilute alkali and acid pretreatment were applied to improve the hydrolysis of post-consumer viscose, although both of them proved unsuccessful strategies as alkali and acid pretreatment reduced glucose yield up to 28% and 44%, respectively. We concluded that avoiding pretreatment altogether was the most energy-efficient and resource-efficient alternative with regard to the saccharification of waste viscose. Thus, the economic viability of (enzymatically) saccharifying waste viscose depends entirely on the inherent hydrolyzability of the feedstock and its price.","PeriodicalId":74745,"journal":{"name":"RSC sustainability","volume":" 12","pages":" 3973-3980"},"PeriodicalIF":0.0,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/su/d4su00486h?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142736734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

CeNiO3 perovskite nanoparticles synthesized using gelatin as a chelating agent for CO2 dry reforming of methane† 以明胶为螯合剂合成的 CeNiO3 包晶纳米粒子用于甲烷的 CO2 干法转化†。

RSC sustainability Pub Date : 2024-10-30 DOI: 10.1039/D4SU00268G

Usman Zahid, Wahid Sidik Sarifuddin, Abdul Hanif Mahadi, Holilah, Didik Prasetyoko and Hasliza Bahruji

{"title":"CeNiO3 perovskite nanoparticles synthesized using gelatin as a chelating agent for CO2 dry reforming of methane†","authors":"Usman Zahid, Wahid Sidik Sarifuddin, Abdul Hanif Mahadi, Holilah, Didik Prasetyoko and Hasliza Bahruji","doi":"10.1039/D4SU00268G","DOIUrl":"https://doi.org/10.1039/D4SU00268G","url":null,"abstract":"CeNiO3 perovskite nanoparticles were synthesized using gelatin as a chelating agent to catalyze the CO2 dry reforming reaction. The optimization of gelatin concentration affects the formation of Ni coordinated on the B-sites of CeNiO3. CeNiO3 shows catalytic stability for 60 h with ∼50% CO2/CH4 conversion and a H2/CO ratio of ∼0.8 when obtained using low concentrations of gelatin (0.05 g, 0.1 g). The exsolution of Ni nanoparticles from CeNiO3 structures occurs during reduction treatment, expanding the crystal lattices of CeO2. A high gelatin concentration (0.2 g) reduced Ni mobility and restricted Ni–Ce contacts. The uncoordinated Ni in CeNiO3 exposes a high surface area (10.12 m2 g−1) for CH4 dissociation, consequently increasing the H2/CO ratio to ∼1.5 with 78% CH4 and 53% CO2 conversion. In situ DRIFTS analysis showed that CH4 readily dissociates in the absence of CO2, but CO2 completes the reaction cycles by removing the carbon as CO gas.","PeriodicalId":74745,"journal":{"name":"RSC sustainability","volume":" 12","pages":" 3806-3816"},"PeriodicalIF":0.0,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/su/d4su00268g?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142736704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Direct measurement of PFAS levels in surface water using an engineered biosensor 利用工程生物传感器直接测量地表水中的 PFAS 含量。

RSC sustainability Pub Date : 2024-10-30 DOI: 10.1039/D4SU00349G

Madison Mann, Victoria Kartseva, Chelli Stanley, Maggie Blumenthal, Richard Silliboy and Bryan Berger

{"title":"Direct measurement of PFAS levels in surface water using an engineered biosensor","authors":"Madison Mann, Victoria Kartseva, Chelli Stanley, Maggie Blumenthal, Richard Silliboy and Bryan Berger","doi":"10.1039/D4SU00349G","DOIUrl":"10.1039/D4SU00349G","url":null,"abstract":"Per- and polyfluoroalkyl substances (PFAS) are a large set of emerging contaminants pervasive in the environment due to amphiphilic properties and strong carbon-fluorine bonds resistant to biodegradation. With an ever-increasing prevalence, the need for precise detection of these chemicals at low levels in drinking water is clear. However, ground and surface water as well as soil and other biosolids have become reservoirs for PFAS at extremely high levels. In fact, PFAS concentrations at part per billion and part per million levels are found in environmental samples taken near high contamination sites including industrial facilities and military bases. In this work, we demonstrate the application of a biosensor based on human liver fatty acid binding protein to detect perfluorooctanoic acid (PFOA) in surface water samples taken near Loring Airforce Base. We show this sensor can detect the high levels of PFOA found in the samples quickly and easily without the use of extensive sample pre-treatment or analytical methods. Therefore, we hope the future of this technology will better assess PFAS detection needs for a multitude of end point users.","PeriodicalId":74745,"journal":{"name":"RSC sustainability","volume":" 12","pages":" 3967-3972"},"PeriodicalIF":0.0,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11525949/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142570577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sustainable water-activated metal–air paper batteries based on waste biomass-based electrocatalysts† 基于废弃生物质电催化剂的可持续水活化金属空气纸电池†。

RSC sustainability Pub Date : 2024-10-30 DOI: 10.1039/D4SU00607K

Kosuke Ishibashi and Hiroshi Yabu

引用次数: 0

Photo-assisted (de)lithiation to enhance photoelectrochemical storage in quasi-solid-state Li-ion batteries† 用光辅助（脱）锂化技术提高准固态锂离子电池的光电化学储存能力†。

RSC sustainability Pub Date : 2024-10-29 DOI: 10.1039/D4SU00494A

Xin Mi, Jun Pan, Menglin Duan, Fuqiang Huang and Peng Qin

{"title":"Photo-assisted (de)lithiation to enhance photoelectrochemical storage in quasi-solid-state Li-ion batteries†","authors":"Xin Mi, Jun Pan, Menglin Duan, Fuqiang Huang and Peng Qin","doi":"10.1039/D4SU00494A","DOIUrl":"https://doi.org/10.1039/D4SU00494A","url":null,"abstract":"The development of photo-assisted rechargeable batteries is an attractive approach to realize the conversion and storage of solar energy in a single device, but designing bifunctional electrodes and improving their safety are challenging. Herein, we chose CsPbBr3 perovskites as the photo-responsive unit and lead phytate as the ion storage unit for the construction of a dual-functional cathode. The designed photo-cathode possessed enhanced photon responsiveness to benefit solar conversion and reversible redox centers for direct energy storage. Moreover, considering the safety of photo-assisted Li-ion batteries (PA-LIBs), a polymer-based electrolyte was used instead of a traditional liquid-based electrolyte to further restrict leakage and decomposition issues. During the photo-assisted charging and discharging processes (AM 1.5 G, 100 mW cm−2), the specific capacity of the assembled quasi-solid-state PA-LIB increased by 11.4% and 64.8%, respectively, compared with conventional electric charging and discharging, thus providing an efficient and sustainable strategy to realize solar-driven electrochemical energy storage.","PeriodicalId":74745,"journal":{"name":"RSC sustainability","volume":" 12","pages":" 3999-4007"},"PeriodicalIF":0.0,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/su/d4su00494a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142736736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Green gold: prospects of lignin in organic electronics and bioelectronics 绿色黄金：木质素在有机电子学和生物电子学中的应用前景

RSC sustainability Pub Date : 2024-10-29 DOI: 10.1039/D4SU00452C

Laura Tronci and Assunta Marrocchi

引用次数: 0

Efficient single-component nickel catalysts with tetradentate aminopyridine ligands for cycloaddition reactions of CO2 and epoxides under mild conditions† 含有四价氨基吡啶配体的高效单组分镍催化剂，可在温和条件下用于 CO2 和环氧化物的环加成反应†。

RSC sustainability Pub Date : 2024-10-28 DOI: 10.1039/D4SU00556B

Congcong Zhang, Minghui Shi, Ning Yu, Bowen Zhang, Feng Han and Chengxia Miao

{"title":"Efficient single-component nickel catalysts with tetradentate aminopyridine ligands for cycloaddition reactions of CO2 and epoxides under mild conditions†","authors":"Congcong Zhang, Minghui Shi, Ning Yu, Bowen Zhang, Feng Han and Chengxia Miao","doi":"10.1039/D4SU00556B","DOIUrl":"https://doi.org/10.1039/D4SU00556B","url":null,"abstract":"A series of single-component nickel catalysts (L1-NiBr2/L2-NiBr2/L3-NiBr2) with tetradentate aminopyridine ligands are presented, which exhibit excellent capabilities and selectivity for the synthesis of cyclic carbonates from epoxides and carbon dioxide. A green crystal of L1-NiBr2 was obtained in CH3CN, and the ligand adopted a cis-α conformation in the complex. The conversion of styrene oxide could reach 98%, providing 100% selectivity at 90 °C, 1 MPa CO2 pressure and 5 mol% of L1-NiBr2 under solvent-free conditions, while the yield and selectivity values were still as high as 92% and 99%, respectively, under 1 atm CO2 and 0.5 mol% of the catalyst at the same temperature. The catalysts also exerted efficient catalytic coupling reactions of terminal epoxides (90–98% yields of cyclic carbonates), except those bearing a long aliphatic chain under mild conditions. The catalyst exhibited excellent recyclability and stability, which were further proved through ICP to test the catalyst leaching, TGA and IR spectra. Moreover, the catalytic cycloaddition reaction mechanism was investigated using density functional theory (DFT) calculations.","PeriodicalId":74745,"journal":{"name":"RSC sustainability","volume":" 12","pages":" 3959-3966"},"PeriodicalIF":0.0,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/su/d4su00556b?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142736733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Progress in waterborne polymer dispersions for coating applications: commercialized systems and new trends 用于涂料应用的水性聚合物分散体的进展：商业化系统和新趋势

RSC sustainability Pub Date : 2024-10-25 DOI: 10.1039/D4SU00267A

Kyle Pieters and Tizazu H. Mekonnen

{"title":"Progress in waterborne polymer dispersions for coating applications: commercialized systems and new trends","authors":"Kyle Pieters and Tizazu H. Mekonnen","doi":"10.1039/D4SU00267A","DOIUrl":"https://doi.org/10.1039/D4SU00267A","url":null,"abstract":"The environmental impact and safety of products have become increasingly prominent in recent years, with stringent legislation expected to persist. Polymeric coatings are pervasive in modern life, serving to impart desirable properties and protection to a wide range of surfaces. Traditionally dispersed in volatile organic solvents harmful to the environment and workers, modern coatings are shifting towards waterborne, minimizing harmful environmental emissions. Waterborne coatings have seen substantial commercial uptake in large sectors such as architectural and automotive coatings. Nevertheless, their performance still lags behind conventional systems, and, currently, some products lack commercially viable waterborne alternatives. This review focuses on the current state of commercialized waterborne polymer systems, scrutinizing their performance, composition, and market penetration. Additionally, it explores future trends aimed at addressing existing challenges and pioneering novel coating technologies, with an emphasis on achieving fully sustainable systems.","PeriodicalId":74745,"journal":{"name":"RSC sustainability","volume":" 12","pages":" 3704-3729"},"PeriodicalIF":0.0,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/su/d4su00267a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142736770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

General equations to estimate the CO2 production of (bio)catalytic reactions in early development stages† 估算（生物）催化反应早期二氧化碳产量的一般公式†

RSC sustainability Pub Date : 2024-10-24 DOI: 10.1039/D4SU00535J

Pablo Domínguez de María

{"title":"General equations to estimate the CO2 production of (bio)catalytic reactions in early development stages†","authors":"Pablo Domínguez de María","doi":"10.1039/D4SU00535J","DOIUrl":"https://doi.org/10.1039/D4SU00535J","url":null,"abstract":"Global warming potential (GWP, kg CO2eq per kg product) is a core impact indicator when assessing the greenness of synthetic reactions in life cycle assessments (LCAs). GWP contributions arise from the production and transportation of chemicals, solvents, and catalysts to the chemical plant, from the reaction (upstream), from the purification steps (downstream), and from the energy invested in the process. For (bio)catalysis, water and spent organic solvents are the major waste contributors, from which CO2 is generated through their processing via wastewater treatment or incineration. Assessing GWP in organic synthesis appears wearisome, demanding time, resources and expertise. However, GWP estimations at early process stages would rapidly identify the hotspots to improve the environmental impact. This paper proposes equations that can be combined depending on the reaction, to estimate the GWP by using readily available process parameters (substrate loading, conversion, reaction media, temperature, time, and thermodynamic values). Once equations are chosen for each reaction (e.g. process conducted in water or in organic media, type of downstream, etc.), estimated GWP can be obtained. Scenarios can be simulated by changing parameters, to assist practitioners at process early stages to understand how (bio)catalytic reactions can be established in a greener way.","PeriodicalId":74745,"journal":{"name":"RSC sustainability","volume":" 12","pages":" 3817-3825"},"PeriodicalIF":0.0,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/su/d4su00535j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142736705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Atoms and photons: how chemical sciences can catalyze the development of sustainable solutions powered by light 原子与光子：化学科学如何促进开发以光为动力的可持续解决方案

RSC sustainability Pub Date : 2024-10-23 DOI: 10.1039/D4SU90048K

Govind Nanda

引用次数: 0