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Advancements in sludge-to-energy strategies for rubber processing industries: a comprehensive review

International Journal of Energy and Water Resources 2025年第2期9卷 1189-1199页

作者： Tin, K.K. Taweepreda, W. Singh, A. Kumar, A. Environmental Management Faculty of Environmental Management Prince of Songkla University Hat-Yai Songkhla 90110 Thailand Polymer Science Program Division of Physical Science Faculty of Science Prince of Songkla University Hat-Yai Songkhla 90110 Thailand Department of Zoology Swami Shraddhanand College University of Delhi Delhi 110036 India Department of Mechanical Engineering Delhi Technological University Delhi 110042 India Nodal Centre of Excellence in Energy Transition (NCEET) Delhi Technological University Delhi 110042 India

This study explores the energy potential of rubber sludge, highlighting its calorific value (13.92–22.15 MJ/kg) and significant organic content, making it a promising feedstock for renewable energy. Techniques such as pyrolysis, anaerobic digestion, combustion, and gasification can effectively harness this potential. Comparative analysis indicates that rubber sludge has an energy recovery potential comparable to or even higher than lignite. Thermochemical processes, including hydrothermal liquefaction and gasification, offer benefits such as reduced waste toxicity and volume, alongside energy and material recovery. However, challenges such as high costs, technical difficulties, and potential pollutant emissions persist. Cost–benefit analyses indicate economic feasibility under specific conditions like high conversion efficiency and favorable policies. Current global practices in rubber sludge management vary, with countries like Denmark, Germany, and Sweden implementing advanced treatments, while others face challenges in coordination and technology. Future research emphasizes improving conversion technologies and integrating hybrid energy systems to enhance energy recovery and reduce environmental impact. The study underscores the importance of life cycle assessments in optimizing the sustainability of rubber sludge-to-energy processes and advocates for innovative approaches through Design Thinking to develop tailored solutions. This comprehensive review highlights the potential of rubber sludge as a renewable energy source and provides a framework for future research and policy development. © The Author(s), under exclusive licence to Iranian Society of environmentalists (IRSEN) and science and Research Branch, Islamic Azad University 2024.

关键词： Energy Factory Rubber processing Sludge Sustainable

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Smart tailoring of molecular catalysts:Mounting approach to oxygen reduction reaction

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Journal of Materials science & Technology 2024年第1期168卷 169-184页

作者： Anuj Kumar Mohd Ubaidullah Guoxin Zhang Jasvinder Kaur Saira Ajmal Mudassir Hasan Krishna Kumar Yadav Hafiz M.Adeel Sharif Ram K.Gupta Ghulam Yasin Nano-Technology Research Laboratory Department of ChemistryGLA UniversityMathuraUttar Pradesh 281406India Department of Chemistry College of ScienceKing Saud UniversityRiyadh 11451Saudi Arabia Department of Electrical Engineering and Automation Shandong University of Science and TechnologyQingdaoShandong 266590China Institute for Advanced Study Shenzhen UniversityShenzhenGuangdong 518060China Department of Chemistry Kansas Polymer Research CenterPittsburg State UniversityPittsburgKS 66762United States Faculty of Science and Technology Madhyanchal Professional UniversityRatibadBhopal 462044India Environmental and Atmospheric Sciences Research Group Scientific Research CenterAl-Ayen UniversityThi-QarNasiriyah 64001Iraq Department of Chemical Engineering King Khalid University Saudi Arabia Department of Chemistry School of SciencesIFTM UniversityMoradabadUttar Pradesh 244102India Research Center for Eco-Environmental Engineering Dongguan University of TechnologyDongguan 523808China School of Environment and Civil Engineering Dongguan University of TechnologyDongguanGuangdong 523808China

Efficient electrocatalytic rupture of energy-rich molecules(H_(2)and O_(2))is a green approach for gener-ating clean energy for modern *** this context,porphyry-type molecular electrocatalysts act intelligently toward oxygen reduction reaction(ORR),a fundamental process in fuel cells,due to their redox-rich chemistry,which involves core metal ions and macrocyclic *** concerned scientific community has tried many times to correlate the ORR intermediates with their formation kinetics and simplify the associated multi H+/e-stages during the ORR process,constructing several volcano plots be-tween catalytic Tafel data,turnover frequencies,and overpotentials for many *** the fact that many review articles on molecular electrocatalysts for ORR have been published,understanding the strategic implications and molecular catalyst intelligence towards homogenous ORR has been poorly *** review examined the relationships between volcano plots of current *** parameters and the Sabatier principle in order to explain the intelligence of molecular electrocatalysts and approaches for their creation,as well as the difficulties and potential prospects of molecular *** facts distinguish this review from previously published articles and will pique the scien-tific community’s interest in avoiding trial-and-error procedures for catalyst creation while also allowing for more exact evaluations of the molecular catalyst’s performance.

关键词： Electrocatalysis Molecular catalysts Oxygen reduction reaction Sabatier principle

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Highly Thermally Stable, Highly Electrolyte-Wettable Hydroxyapatite/Cellulose Nanofiber Hybrid Separators for Lithium-Ion Batteries

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ACS Applied Energy Materials 2023年第7期6卷 3862-3871页

作者： Liu, Yi Li, Chunxing Li, Chao Liang, Zhenye Hu, Xueshan Liu, Hao Zhang, Ze Cui, Meng Chen, Gang Wan, Jiayu Zhang, Xiangwu Tao, Jinsong State Key Lab of Pulp and Paper Engineering South China University of Technology Guangzhou510640 China SUSTech Energy Institute for Carbon Neutrality Southern University of Science and Technology Shenzhen518055 China Department of Mechanical and Energy Engineering Southern University of Science and Technology Shenzhen518055 China Fiber and Polymer Science Program Department of Textile Engineering Chemistry and Science Wilson College of Textiles North Carolina State University RaleighNC27695-8301 United States

Separators have an important influence on the safety and performance of lithium-ion batteries (LIBs). However, traditional polyolefin-based separators suffer from poor thermal stability and weak electrolyte wettability. Here, by using hydroxyapatite (HAP) and cellulose nanofibers (CNFs) as raw materials, we fabricated a unique HAP/CNF hybrid separator. The separators exhibit excellent thermal properties, with high thermal stability (up to 250 °C) and outstanding flame retardancy. The separators also demonstrate excellent electrolyte wettability. Compared to polypropylene (PP) separators, the HAP/CNF separators show a smaller contact angle with electrolytes, 17.2° for HAP/CNF and 45.5° for PP. Meanwhile, the HAP/CNF separators illustrate an excellent smoothness of 68.0 nm. In addition, the batteries assembled with the hybrid separators display a better performance compared with the batteries assembled with commercial PP separators. The raw materials are green, and the fabrication processes are free of organic solvents. We envision that the HAP/CNF hybrid separator could be a promising separator candidate for next-generation high-safety and high-performance LIBs. © 2023 American Chemical Society.

关键词： Thermodynamic stability

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Fluoroalkylated tin-oxo nano clusters as resist candidates for extreme UV lithography 40

Fluoroalkylated tin-oxo nano clusters as resist candidates f...

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Advances in Patterning Materials and Processes XL 2023

作者： Ku, Yejin Ahn, Hyungju Lee, Jin-Kyun Kim, Jiho Park, Byeong-Gyu Lee, Sangsul Jang, Yu Ha Jung, Byung Jun Koh, Chawon Nishi, Tsunehiro Kim, Hyun-Woo Program in Environment and Polymer Engineering Inha University Incheon22212 Korea Republic of Department of Polymer Science and Engineering Inha University Incheon22212 Korea Republic of Pohang Accelerator Laboratory Postech Pohang37673 Korea Republic of Department of Materials Science and Engineering University of Seoul Seoul02504 Korea Republic of Samsung Electronics Co. Ltd. Semiconductor R and D Center Gyeonggi-do18448 Korea Republic of

ISBN: (纸本)9781510661035

Extreme UV (EUV) lithography is entering full-scale production of high-end IC chips. This transition gives researchers in academia and industry ample motivation to propose new chemistries that will contribute to alleviating the resolution-line edge roughness-sensitivity trade-off dilemma of EUV lithography. We also have a great interest in the radical chemistry of carbon-fluorine bonds working under EUV and have explored its applicability as a platform for implementing novel EUV resists. While it was checked that the chemical concept is viable by using fluorinated small molecules and polymers, it needed to be upgraded in terms of patterning resolution and sensitivity. Recently, we extended successfully the radical-based strategy to the tin-oxo nano cluster resist concept. Soluble fluorinated tin-oxo clusters could be prepared, and they were cast into thin films from a fluorous solution. When the thin film was exposed to EUV radiation, it lost solubility, resulting in the formation of negative-tone images. Under an EUV lithographic condition, the thin film could be tailored down to 10 nm or smaller sized features. In addition, their unique solubility in chemically orthogonal solvents also enabled the build-up of a bilayer structure composed of a non-fluorinated reactive polymer underlayer without curing. The stacked film structure was found to be helpful for the sensitivity improvement. These results propose another interesting EUV resist candidate possessing unique capabilities in thin film processing. © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

关键词： Tin

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Optimization of photocatalytic ceramic membrane filtration by response surface methodology: Effects of hydrodynamic conditions on organic fouling and removal efficiency

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Chemosphere 2024年 356卷 141885页

作者： Jang, Hoseok Lee, Chang Soo Kim, Jong Hak Kim, Jeonghwan Department of Environmental Engineering Program of Environmental and Polymer Engineering Inha University Michuholgu Incheon22212 Korea Republic of Department of Chemical Engineering Pukyong National University Busan48513 Korea Republic of Department of Chemical and Biomolecular Engineering Yonsei University Seoul03722 Korea Republic of

The effects of the operating conditions, including the applied pressure, feed organic concentration, and recirculation flowrate along the TiO2-coated ceramic membrane, on the normalized membrane permeability and organic removal efficiency were systematically investigated by operating a photocatalytic membrane reactor (PMR). Response surface methodology (RSM) was conducted to better understand the interactive effect of operational conditions as well as their individual and combined effects to control membrane performance. Our results showed that the applied pressure and feed organic concentration, as single parameter, affected the normalized membrane permeability and organic removal efficiency more dominantly than the recirculation flowrate. The polynomial performance equations generated by RSM successfully predicted the membrane performance of the PMR. The responses to the normalized membrane permeability and organic removal efficiency with respect to the operational conditions were less sensitive to any combination of operational conditions than to their individual impacts. The combined effects of the operating conditions were less pronounced in promoting the catalytic performance of organic contaminants on the TiO2 surface. Our RSM analysis based on experimental observations designed by Box–Behnken Design (BBD) suggested that 1.3 bar of applied pressure, 44 mg/L of feed organic dye concentration and 0.8 L/min as recirculation flowrate as optimum conditions achieved more than 98% of organic removal efficiency and less than 5% of decline in normalized membrane permeability. This research shows that the RSM provides effective tool to optimize operational conditions to determine fouling rate and organic removal in PMR. © 2024 Elsevier Ltd

关键词： Titanium dioxide

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Electrolyte dependence for the electrochemical decarboxylation of medium-chain fatty acids (n-octanoic acid) into fuel on Pt electrode

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Materials Reports(Energy) 2024年第2期4卷 64-70页

作者： Zhenmin Zhang Dezhang Ren Dian Zhang Tiantian Hu Congyuan Zeng Nengneng Xu Zhibao Huo Jinli Qiao College of Marine Ecology and Environment Shanghai Ocean UniversityShanghai201306PR China Department of Mechanical Engineering Southern University and A&M CollegeBaton RougeLA70807USA State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Environmental Science and EngineeringDonghua UniversityShanghai201620PR China Shanghai Institute of Pollution Control and Ecological Security Shanghai200092PR China

The deoxygenation of organic acids, important biomass feedstocks and derivatives, to synthesize hydrocarbon products under mild electrochemical conditions, holds significant importance for the production of carbon-neutral biofuels. There is still limited research on the influential factors of the electrochemical decarboxylation reaction of medium-chain fatty acids. In this study, n-octanoic acid (OA) was chosen as the research subject to investigate the electrochemical decarboxylation behavior of OA on a platinum electrode, focusing on the influence of different alkali metal cations (Li^(+), Na^(+), K^(+)), common anions (SO^(4)^(2−), Cl^(−)), and electrolyte pH. It was found that KOH as an electrolyte exhibited the best performance for OA. Possibly, the larger size of K^(+) increased the alkalinity of the electrode surface, facilitating OA deprotonation. LiOH electrolyte reduced the solubility of OA, thereby inhibiting the decarboxylation reaction. SO^(4)^(2−) exhibited a weak promoting effect on the decarboxylation reaction of OA, while Cl^(−) showed no adverse effect although Cl^(−) may adsorb on the electrode surface. Furthermore, unlike short-chain fatty acids, medium-chain OA can only achieve efficient decarboxylation under alkaline conditions due to its solubility properties. This study provides references and foundations for future efforts to enhance the efficiency of electrochemical decarboxylation synthesis of hydrocarbon biofuels from medium-chain fatty acids.

关键词： Fatty acids Kolbe reaction Decarboxylation Hydrocarbon Electrolyte

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Genetically engineered materials:Proteins and beyond

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science China Chemistry 2022年第3期65卷 486-496页

作者： Jingjing Wei Lianjie Xu Wen-Hao Wu Fei Sun Wen-Bin Zhang College of Chemical and Environmental Engineering Anyang Institute of TechnologyAnyang 455000 China 2.Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry&Physics of Ministry of EducationCenter for Soft Matter Science and EngineeringCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871 China 3.Department of Chemical and Biological Engineering The Hong Kong University of Science and TechnologyClear Water BayKowloonHong Kong SARChina

Information-rich molecules provide opportunities for *** engineered materials are superior in that their properties are coded within genetic sequences and could be *** this review,we elaborate the concept of genetically engineered materials(GEMs)using examples ranging from engineered protein materials to engineered living *** materials are the materials of choice by *** progress in protein engineering has led to opportunities to tune their sequences for optimal material *** also play a central role in living materials where they act in concert with other biological components as well as nonbiological cofactors,giving rise to living *** the existing GEMs are often limited to those constructed by building blocks of biological origin,being genetically engineerable does not preclude nonbiologic or synthetic materials,the latter of which have yet to be fully explored.

关键词： protein genetic engineering self-assembly living materials

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Polyhexamethylene biguanide chemically modified cotton with desirable hemostatic,inflammation-reducing,intrinsic antibacterial property for infected wound healing

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Chinese Chemical Letters 2022年第6期33卷 2975-2981页

作者： Chuan Guo Jie Zhang Xiaojun Feng Zhenggui Du Yuanzhang Jiang Yidong Shi Guanghui Yang Lin Tan College of Biomass Science and Engineering Key Laboratory of Leather Chemistry and Engineering of Ministry of EducationSichuan UniversityChengdu 610065China Department of Breast Surgery West China HospitalSichuan UniversityChengdu 610041China School of Materials and Environmental Engineering Shenzhen PolytechnicShenzhen 518000China State Key Laboratory of Polymer Materials Engineering Sichuan UniversityChengdu 610065China

Medical cotton dressing is cheap and widely used in diversified fields,but in the application of promoting wound healing,the continuous research of multifunctional medical cotton dressing is still of great ***,we developed a fresh type of antibacterial cotton dressing through a succinct strategy based on chemically anchoring polyhexamethylene biguanide(PHMB).Intriguingly,after PHMB modification,the cotton dressing exhibited outstanding antibacterial performance which could maintain>99.99%antibacterial rate after several treatments,including washing 50 times,repeated use 10 times,UV irradiation for 7 days,cationic dyes dying,and conditioned under 90℃water bath for 2 *** addition,the water contact angle of cotton dressing increased dramatically from 0°to 111°,which could facilitate bacterial adhesion,thus further enhance the antibacterial efficiency,and easily remove the bacterial *** from that,the developed cotton dressing showed good cytocompatibility,promoted blood clotting and expression of platelets,and promoted the wound healing process in the infection intervened skin wound *** together,this antibacterial cotton dressing with desirable blood clotting,sustained protection against bacterial infection and bacterial removal features shows the potential to be a candidate for infected skin wound healing.

关键词： Cotton dressing Polyhexamethylene biguanidine Antibacterial performance Blood clotting Infected wound healing

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Noble and Non-Noble Metal Based Catalysts for Electrochemical Nitrate Reduction to Ammonia:Activity,Selectivity and Stability

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Electrochemical Energy Reviews 2024年第1期7卷 1384-1422页

作者： Israr Masood ul Hasan Nengneng Xu Yuyu Liu Muhammad Zubair Nawaz Haitao Feng Jinli Qiao State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Environmental Science and EngineeringDonghua UniversityShanghai 201620China Institute for Sustainable Energy College of SciencesShanghai UniversityShanghai 200444China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092China Laboratory of 2D Optoelectronics and Nanoelectronics(L2DON) Department of Materials Science and EngineeringSouthern University of Science TechnologyShenzhen 518055GuangdongChina Key Laboratory of Green and High-End Utilization of Salt Lake Resources Qinghai Institute of Salt LakesChinese Academy of SciencesXining 810008QinghaiChina

Excessive nitrate(NO_(3)^(-))contamination has emerged as a critical environmental issue owing to the widespread use of nitrogen-based fertilizers,fossil fuel combustion,and the discharge of industrial and domestic ***,electrochemical nitrate reduction(eNO_(3)R)to ammonia(NH3)has emerged as a promising alternative to the traditional Haber-Bosch ***,the industrial implementation ofeNO_(3)R is hindered by low catalytic activity,poor selectiv-ity,and limited stability owing to competing hydrogen evolution *** paper provides a comprehensive overview of recent advancements ineNO_(3)R,particularly evaluating the catalytic activity,selectivity,and stability of both noble and non-noble metal *** review elucidates innovative catalyst design strategies,state-of-the-art developments,and potential directions for future ***,the paper explores the fundamental mechanisms underlyingeNO_(3)R forNH_(3)production,including electrocatalyst development methodologies,electrolyte effects,in situ characterization techniques,theoretical modeling,and cell design ***,factors influencingNH_(3)selectivity and catalyst structural composition are thoroughly ***,this review provides comprehensive insights into optimizingeNO_(3)R processes for synthesizingNH_(3),which can promote further advancements in this field.

关键词： Nitrate reduction Electrocatalysis NH_(3)production Activity Selectivity Stability

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Edge atomic Fe sites decorated porous graphitic carbon as an efficient bifunctional oxygen catalyst for Zinc-air batteries

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Journal of Energy Chemistry 2023年第8期83卷 602-611,I0014页

作者： Ruihui Gan Yali Wang Xiangwu Zhang Yan Song Jingli Shi Chang Ma Tianjin Municipal Key Lab of Advanced Fiber and Energy Storage Technology Tiangong UniversityTianjin 300387China Fiber and Polymer Science Program Department of Textile EngineeringChemistry and ScienceWilson College of TextilesNorth Carolina State UniversityRaleighNC 27695-8301uNITED sTATES CAS Key Laboratory of Carbon Materials Institute of Coal ChemistryChinese Academy of SciencesTaiyuan 030001ShanxiChina

The development of advanced bifunctional oxygen electrocatalysts for oxygen reduction and evolution reactions(ORR and OER) is critical to the practical application of zinc-air batteries(ZABs). Herein, a silica-assisted method is reported to integrate numerous accessible edge Fe-Nx sites into porous graphitic carbon(named Fe-N-G) for achieving highly active and robust oxygen electrocatalysis. Silica facilitates the formation of edge Fe-Nx sites and dense graphitic domains in carbon by inhibiting iron *** purification process creates a well-developed mass transfer channel for Fe-N-G. Consequently,Fe-N-G delivers a half-wave potential of 0.859 V in ORR and an overpotential of 344 m V at10 m A cm^(-2)in OER. During long-term operation, the graphitic layers protect edge Fe-Nx sites from demetallation in ORR and synergize with Fe OOH species endowing Fe-N-G with enhanced OER *** functional theory calculations reveal that the edge Fe-Nx site is superior to the in-plane Fe-Nx site in terms of OH* dissociation in ORR and OOH* formation in OER. The constructed ZAB based on Fe-N-G cathode shows a higher peak power density of 133 m W cm^(-2)and more stable cycling performance than Pt/C + RuO2counterparts. This work provides a novel strategy to obtain high-efficiency bifunctional oxygen electrocatalysts through space mediation.

关键词： Bifunctionality EdgeFe-Nxsites Oxygen catalysis Graphitic domains Zinc-air batteries

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