Frontiers of Chemical Science and Engineering最新文献_第8页

New applications of dodecahedral bimetallic imidazolate frameworks in the robust and superior wear-resistant epoxy composites 十二面体双金属咪唑酯骨架在坚固耐磨环氧复合材料中的新应用

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-26 DOI: 10.1007/s11705-025-2537-2

Weilong Chen, Jinian Yang, Bingyi Li, Xia Xu, Peng Jin, Zhoufeng Wang

{"title":"New applications of dodecahedral bimetallic imidazolate frameworks in the robust and superior wear-resistant epoxy composites","authors":"Weilong Chen, Jinian Yang, Bingyi Li, Xia Xu, Peng Jin, Zhoufeng Wang","doi":"10.1007/s11705-025-2537-2","DOIUrl":"10.1007/s11705-025-2537-2","url":null,"abstract":"<div><p>In this study, we put forward a facile strategy for preparing high-performance composites utilizing epoxy resin and dodecahedral bimetallic imidazolate frameworks as the matrix resin and wear-resisting agents, respectively, with varied weight ratios via a combination of sonochemical and solution-mixing methods. The results indicate that the synthesized bimetallic imidazolate frameworks possess a dodecahedral morphology, which is composed of nickel/cobalt transition metals and imidazolium salt organic ligands, dispersing homogeneously within the resin matrix. After carefully investigating the mechanical, dry-sliding and thermal properties, we have clearly demonstrated the significance of the added bimetallic imidazolate frameworks in endowing epoxy composites with excellent wear resistance. As the filler content increases, the epoxy composites display reliable mechanical properties and thermal stabilities. Meanwhile, compared with pure resin, the wear rate is significantly reduced by 92.3%, reaching the lowest value of 0.74 × 10<sup>−5</sup> mm<sup>3</sup>·Nm<sup>−1</sup>. Moreover, various characterizations have been carried out to reveal the wearing mechanism. This study aims to enhance the potential of bimetallic imidazolate frameworks in the applications of creating superior wear-resistant polymeric composites with satisfactory mechanical and thermal properties.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143778069","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}

引用次数: 0

Controlled synthesis and advanced applications of ultralong carbon nanotubes 超长碳纳米管的控制合成及其先进应用

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-25 DOI: 10.1007/s11705-025-2538-1

Fei Wang, Yanlong Zhao, Kangkang Wang, Khaixien Leu, Aike Xi, Qixuan Cai, Rufan Zhang

{"title":"Controlled synthesis and advanced applications of ultralong carbon nanotubes","authors":"Fei Wang, Yanlong Zhao, Kangkang Wang, Khaixien Leu, Aike Xi, Qixuan Cai, Rufan Zhang","doi":"10.1007/s11705-025-2538-1","DOIUrl":"10.1007/s11705-025-2538-1","url":null,"abstract":"<div><p>Carbon nanotubes have attracted extensive interest owing to their extraordinary properties and wide applications in many fields. Among various types of carbon nanotubes, only ultralong carbon nanotubes with macroscale lengths, low defect concentrations, and high degrees of alignment can fully demonstrate their intrinsic performance. These attributes make ultralong carbon nanotubes highly promising for applications in cutting-edge fields, such as carbon-based integrated circuits, ultra-strong fibers, and transparent conductive films. However, the mass production of ultralong carbon nanotubes with precise structural control remains a major challenge, limiting their widespread applications. In the past decades, great progress has been achieved in the study of ultralong carbon nanotubes. In this review, we summarized the growth mechanisms and the controlled synthesis strategies of ultralong carbon nanotubes. Then, we introduced the advanced applications of ultralong carbon nanotubes in many areas, such as field-effect transistors, sensors, and photodetectors. Finally, we discussed the remaining challenges and offered our perspectives on the future directions of this field.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801155","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}

引用次数: 0

Advanced metal-contained composites for fluoride removal from wastewater: mechanism, preparation, properties and applications 用于去除废水中氟化物的先进含金属复合材料：机理、制备、性能和应用

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-25 DOI: 10.1007/s11705-025-2540-7

Yiting Cheng, Xiuling Yang, Gaigai Duan, Chunmei Zhang, Weisen Yang, Hongliang Zhao, Wendong Du, Jianxiu Ma, Zhongfu Tang, Shaohua Jiang

{"title":"Advanced metal-contained composites for fluoride removal from wastewater: mechanism, preparation, properties and applications","authors":"Yiting Cheng, Xiuling Yang, Gaigai Duan, Chunmei Zhang, Weisen Yang, Hongliang Zhao, Wendong Du, Jianxiu Ma, Zhongfu Tang, Shaohua Jiang","doi":"10.1007/s11705-025-2540-7","DOIUrl":"10.1007/s11705-025-2540-7","url":null,"abstract":"<div><p>With the rapid development of society, fluoride pollution in the water environment caused by human activities and natural development has constituted one of the main causes of threat to human health and safety. Among the various fluoride removal technologies available, adsorption technology has been deeply explored by various scientists and has made great progress in the current emergency situation of fluoride-contaminated water sources, especially the adsorbents containing metal or metal ion materials, which have better results. This review first describes the various mechanisms of fluoride removal by adsorption, the different methods of preparation of the materials (electrospinning, hydrothermal, solvothermal, and so on), and the current applications of the materials in fluoride removal. Then, in terms of application, the influence of different factors on the fluoride removal capacity is presented. Finally, solutions to the current problems are proposed. However, to apply them to industry for large-scale use requires the continued exploration of various researchers to make the theoretical effects into practical ones, thus improving the environment on which we depend.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143761792","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}

引用次数: 0

State-of-the-art polymeric membranes and polymer derived membranes for simultaneous CO2 and H2S removal from sour natural gas 最先进的聚合物膜和聚合物衍生膜，用于同时从含硫天然气中去除CO2和H2S

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-25 DOI: 10.1007/s11705-025-2541-6

Luxin Sun, Qixuan Li, Kunying Li, Jiachen Chu, Yongsheng Li, Mengtao Wang, Zan Chen, Xiaohua Ma, Shouliang Yi

{"title":"State-of-the-art polymeric membranes and polymer derived membranes for simultaneous CO2 and H2S removal from sour natural gas","authors":"Luxin Sun, Qixuan Li, Kunying Li, Jiachen Chu, Yongsheng Li, Mengtao Wang, Zan Chen, Xiaohua Ma, Shouliang Yi","doi":"10.1007/s11705-025-2541-6","DOIUrl":"10.1007/s11705-025-2541-6","url":null,"abstract":"<div><p>Natural gas is an important resource that ensures the energy supply and reduces CO<sub>2</sub> emissions simultaneously. However, many natural gases from well head contain a certain amount of acid gas, which must be removed to meet the pipeline requirement. Among the existing natural gas sweetening process, membrane technology is considered as a cost-effective, less energy intensive method that can remove both CO<sub>2</sub> and H<sub>2</sub>S simultaneously. The membranes with high permeability, high selectivity, and good durability are developing very fast. In this review, we summarized the latest state-of-the-art membranes investigated for H<sub>2</sub>S/CH<sub>4</sub> and CO<sub>2</sub>/CH<sub>4</sub> separation applications, including conventional polymer membranes, polyimides, polymer of intrinsic microporosity, rubber polymers, carbon molecular sieve membranes, hollow fiber membranes, and membrane processes for H<sub>2</sub>S and CO<sub>2</sub> removal from natural gas.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801154","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}

引用次数: 0

Stable lithium metal batteries enabled by Al-Li/LiF composite artificial interfacial layer 利用 Al-Li/LiF 复合人工界面层实现稳定的锂金属电池

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-25 DOI: 10.1007/s11705-025-2539-0

Guojie Li, Xuan Liang, Junlong Zhang, Bin Guo, Baoguang Mao, Hongming Sun, Aoxuan Wang, Qibo Deng, Chuntai Liu

{"title":"Stable lithium metal batteries enabled by Al-Li/LiF composite artificial interfacial layer","authors":"Guojie Li, Xuan Liang, Junlong Zhang, Bin Guo, Baoguang Mao, Hongming Sun, Aoxuan Wang, Qibo Deng, Chuntai Liu","doi":"10.1007/s11705-025-2539-0","DOIUrl":"10.1007/s11705-025-2539-0","url":null,"abstract":"<div><p>Lithium metal anode represents the ultimate solution for next-generation high-energy-density batteries but is plagued from commercialization by side reactions, substantial volume fluctuation, and the notorious growth of lithium dendrites. These hazardous issues are further aggravated under real-world conditions. In this study, a stable Al-Li/LiF artificial interphase with rapid ion transport pathways is created through a one-step chemical pretreatment process, effectively addressing these challenges simultaneously. As a consequence, the composite interfacial layer exhibits exceptional ionic conductivity, mechanical strength, and electrolyte wettability, ensuring swift Li<sup>+</sup> transfer diffusion while suppressing lithium dendrite growth. Remarkably, the Al-Li/LiF symmetric cell provides a cycle life exceeding 2300 h with a low polarization at 0.5 mA·cm<sup>−2</sup>. Furthermore, its enhanced cycling stability and capacity retention as well as capacity utilization stability pairing with LiFePO<sub>4</sub> and LiNi<sub>0.8</sub>Co<sub>0.1</sub>Mn<sub>0.1</sub>O<sub>2</sub> cathodes, highlighting the proposed approach as a promising solution for practical Li metal batteries.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143826571","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}

引用次数: 0

Exploring the potential of bismuth vanadate nanoparticles in supercapacitor technology 探索钒酸铋纳米颗粒在超级电容器技术中的潜力

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-25 DOI: 10.1007/s11705-025-2542-5

Ritika Soni, P. E. Lokhande, Deepak Kumar, Vishal Kadam, Chaitali Jagtap, Udayabhaskar Rednam, Ritika Singh, Kulwinder Singh, Shailesh Padalkar, Bandar Ali Al-Asbahi

{"title":"Exploring the potential of bismuth vanadate nanoparticles in supercapacitor technology","authors":"Ritika Soni, P. E. Lokhande, Deepak Kumar, Vishal Kadam, Chaitali Jagtap, Udayabhaskar Rednam, Ritika Singh, Kulwinder Singh, Shailesh Padalkar, Bandar Ali Al-Asbahi","doi":"10.1007/s11705-025-2542-5","DOIUrl":"10.1007/s11705-025-2542-5","url":null,"abstract":"<div><p>Supercapacitors have attracted significant attention as a promising energy storage technology due to their high power density and rapid charge-discharge capabilities. In this study, we synthesized bismuth vanadate (BiVO<sub>4</sub>) with varying molar ratios using the sol-gel combustion method and evaluated their effectiveness as supercapacitor electrodes. Crystallographic and morphological analyses confirmed the formation of nanoparticles with different phases. The vanadium-rich BiVO<sub>4</sub> compound electrode exhibited a maximum specific capacitance of 893 F·g<sup>−1</sup> at a current density of 0.5 A·g<sup>−1</sup> and demonstrated superior rate capability. Additionally, an all-solid-state asymmetric supercapacitor, fabricated using vanadium-rich BiVO<sub>4</sub> and activated carbon along with a gel electrolyte, achieved an energy density of 6.66 Wh·kg<sup>−1</sup> at a power density of 600 W·kg<sup>−1</sup> and sustained 86% capacitance retention after 10000 cycles. These results highlight the potential of Bi-V compounds in energy storage applications.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818202","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}

引用次数: 0

Investigation on the removal of NO from marine exhaust gas using the Na2S2O8-urea redox system in seawater carrier 利用海水载体中的 Na2S2O8-脲氧化还原体系去除海洋废气中的氮氧化物的研究

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-20 DOI: 10.1007/s11705-025-2533-6

Xiangwen Xing, Jingxuan Jiang, Jing Liu, Pei Zhao, Lin Cui, Yong Dong

{"title":"Investigation on the removal of NO from marine exhaust gas using the Na2S2O8-urea redox system in seawater carrier","authors":"Xiangwen Xing, Jingxuan Jiang, Jing Liu, Pei Zhao, Lin Cui, Yong Dong","doi":"10.1007/s11705-025-2533-6","DOIUrl":"10.1007/s11705-025-2533-6","url":null,"abstract":"<div><p>The sodium persulfate (Na<sub>2</sub>S<sub>2</sub>O<sub>8</sub>)-urea system has been proven to be an excellent scrubbing solution for the wet removal of NO. Commonly, seawater is used as a wet carrier in marine applications. To further explore the feasibility of marine denitrification using Na<sub>2</sub>S<sub>2</sub>O<sub>8</sub>-urea system, this study proposed the Na<sub>2</sub>S<sub>2</sub>O<sub>8</sub>-urea-seawater composite redox system for NO removal from the marine exhaust gas. The effects of seawater carrier, reaction temperature, Na<sub>2</sub>S<sub>2</sub>O<sub>8</sub> concentration, urea concentration, pH value, and NO concentration on NO removal were investigated. Additionally, the NO<sub>3</sub><sup>−</sup> concentration in the solution was measured. Results showed that the lowest normalized NO concentration was 0.099, with the corresponding mass of NO absorbed per unit volume of solution reaching 0.108 g·L<sup>−1</sup>. The addition of seawater carrier and incremental reaction temperature, Na<sub>2</sub>S<sub>2</sub>O<sub>8</sub>, and urea concentration promoted the NO removal performance. When the pH value increased within the range of 4–7, the NO removal performance decreased. The NO removal performance increased as the pH value further increased to 8, but decreased again when the pH value increased to 11. An increase in NO concentration was detrimental to NO removal. The Cl<sup>−</sup>, HCO<sub>3</sub><sup>−</sup>, and CO<sub>3</sub><sup>2−</sup> in seawater could augment the total concentration of active free radicals to improve denitrification performance.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 4","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143668091","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}

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A kinetic model-based SOFC combined cycle power generation system for waste heat recovery 基于动力学模型的SOFC余热回收联合循环发电系统

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-16 DOI: 10.1007/s11705-025-2536-3

Yu Zhuang, Tong Jin, Mengting Song, Jian Du, Siwen Gu

{"title":"A kinetic model-based SOFC combined cycle power generation system for waste heat recovery","authors":"Yu Zhuang, Tong Jin, Mengting Song, Jian Du, Siwen Gu","doi":"10.1007/s11705-025-2536-3","DOIUrl":"10.1007/s11705-025-2536-3","url":null,"abstract":"<div><p>Solid oxide fuel cell (SOFC) is an extremely promising technology for sustainable energy conversion and storage through highly efficient electrochemical reaction at high-temperature conditions. The existing studies commonly address the final equilibrium state of the SOFC electrode reactions, giving less consideration to the micro kinetic of electrode reactions. In this paper, a kinetic model-based SOFC combined cycle power generation system is suggested to recover multiple waste heat, which includes a Kalina cycle (KC) as the bottom cycle and a Rankine cycle (RC) as the top cycle. In devneloping the proposed system, a novel kinetic model is presented for SOFC based on the microscopic mechanism of the oxygen reduction. A dynamic stochastic programming model is established to optimize the integrated system sequentially and simultaneously, with maximum power generation taken as the objective, depending on whether the SOFC system and the KC-RC system are simultaneously optimized. In sequential optimization, the output power of SOFC-KC-RC system is 320.56 kW and it is 415.04 kW using simultaneous optimization, achieving a 29.5% increase in power generation. Further comparison with the previous reports obtained by a thermodynamic model, this work leads to a 10.8% increase in power generation, showing the promising power production performance of the developed system.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143706916","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}

引用次数: 0

Predictive neural network model and empirical equations for the physico-chemical properties and solvent characteristics of potassium carbonate solutions in carbon capture processes 碳捕获过程中碳酸钾溶液的物理化学性质和溶剂特性的预测神经网络模型和经验方程

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-07 DOI: 10.1007/s11705-025-2532-7

Abolhasan Ameri

{"title":"Predictive neural network model and empirical equations for the physico-chemical properties and solvent characteristics of potassium carbonate solutions in carbon capture processes","authors":"Abolhasan Ameri","doi":"10.1007/s11705-025-2532-7","DOIUrl":"10.1007/s11705-025-2532-7","url":null,"abstract":"<div><p>Controlling and optimizing carbon capture processes is vital for improving efficiency, reducing energy consumption, and enhancing sustainability. Process analytical technology (PAT) plays a crucial role in achieving these goals. Establishing the relationship between physico-chemical properties (PCPs) and solvent characteristics, such as loading and strength, can facilitate the practical implementation of PAT. This study develops empirical models for the PCPs of potassium carbonate solutions, including density, refractive index, and electrical conductivity, as well as a mechanistic model for pH across varying temperatures, solvent concentration, and solvent loadings. The models showed strong agreement with experimental data. Density and refractive index increased with solvent strength and decreased with temperature, while conductivity correlated with solvent strength and temperature but decreased with solvent loading. A feedforward neural network was trained to predict solvent strength and loading using eight input scenarios. The highest accuracy was achieved with PCPs combined with Fourier transform infrared (FTIR) or ultraviolet-visible (UV-Vis), using only PCPs, or using PCPs with FTIR and UV-Vis while excluding pH. The findings provide essential insights into K<sub>2</sub>CO<sub>3</sub> solution behavior, contributing to advances in carbon capture technologies.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 4","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11705-025-2532-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143655235","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}

引用次数: 0

Nitrogen-enriched pyrolysis and catalytic pyrolysis of municipal sludge extract 城市污泥萃取物富氮热解及催化热解研究

IF 4.3 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-03-03 DOI: 10.1007/s11705-025-2531-8

Wenjie Ji, Lihui Zhang, Feng Duan

{"title":"Nitrogen-enriched pyrolysis and catalytic pyrolysis of municipal sludge extract","authors":"Wenjie Ji, Lihui Zhang, Feng Duan","doi":"10.1007/s11705-025-2531-8","DOIUrl":"10.1007/s11705-025-2531-8","url":null,"abstract":"<div><p>Municipal sludge (MS) extract obtained by degradative solvent extraction has the typical fuel characteristics of high nitrogen content, zero moisture, and low ash, which is suitable for producing valuable nitrogen-containing chemicals. This study compared the nitrogen-rich pyrolysis characteristic of MS extracts using thermogravimetric/thermogravimetric-mass spectrometry/pyrolysis-gas chromatography-mass spectrometry. The composition of bio-oil from catalytic pyrolysis of MS extracts with HZSM-5 was studied, and the pyrolysis kinetic models was established. The results show that different from the raw MS pyrolysis, the MS extracts pyrolysis all had two main peaks with similar values in the range of 140–530 °C (Stage L and Stage W). NH<sub>3</sub> is mainly released in the range of 140–370 °C (Stage L), and the nitrogen-containing compounds content in the bio-oil in this stage is 41.81%. After adding HZSM-5, the weight loss rate in Stage L decreased by 21.97%, while that in Stage W increased by 10.04%. An obvious weight loss peak (30.32%) appeared at the temperature of 530–900 °C, which is due to the increased fixed carbon content (increased by 16.07%) of the bio-oil from catalytic pyrolysis. The number of components in the nitrogen-containing compounds decreases much, however, its yield increases by 9.45% due to the transformation of nitrogen by the catalyst effect of HZSM-5 adding.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 4","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143553844","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}

引用次数: 0