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学者姓名:吕源财
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以活性炭纤维毡(ACFF)为基底,采用水热法与超声法相结合方式制备了活性炭纤维毡负载N-TiO2/MoS2/N-TiO2光催化剂(NT/MS/NT/ACFF),并以此作为载体,通过共价结合法制得NT/MS/NT/ACFF固定化漆酶.利用扫描电子显微镜、X射线衍射仪、比表面积分析、拉曼光谱、紫外-可见分光光度计和傅里叶变换红外光谱等手段对样品的形貌、微观结构进行了表征,研究了不同体系对双酚A(BPA)的降解效果、反应动力学及矿化率,考察了催化剂的重复使用性能.结果表明,与其他体系相比,可见光下NT/MS/NT/ACFF固定化漆酶对BPA降解率高达82.5%,表观速率常数kobs为0.00764min-1,矿化率可达64.5%.NT/MS/NT/ACFF固定化漆酶具有良好的光催化、酶催化的活性及稳定性,循环使用4次后BPA降解率仍可达到69.4%.通过气相色谱-质谱(GC-MS)结果分析,推断BPA被NT/MS/NT/ACFF固定化漆酶的催化降解过程包括断裂重组、氧化分解、开环等反应.
Keyword :
二硫化钼 二硫化钼 催化剂载体 催化剂载体 双酚A 双酚A 固定化 固定化 漆酶 漆酶 纳米二氧化钛 纳米二氧化钛
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GB/T 7714 | 李章良 , 杨月珠 , 伍传田 et al. 活性炭纤维毡负载N-TiO2/MoS2/N-TiO2固定化漆酶降解双酚A [J]. | 化工进展 , 2025 , 44 (2) : 887-898 . |
MLA | 李章良 et al. "活性炭纤维毡负载N-TiO2/MoS2/N-TiO2固定化漆酶降解双酚A" . | 化工进展 44 . 2 (2025) : 887-898 . |
APA | 李章良 , 杨月珠 , 伍传田 , 吕源财 . 活性炭纤维毡负载N-TiO2/MoS2/N-TiO2固定化漆酶降解双酚A . | 化工进展 , 2025 , 44 (2) , 887-898 . |
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《生物质的开发与利用》是资源循环科学与工程专业的核心必修课,是一门知识面广泛、实践性强的交叉学科课程。针对传统教学中存在的问题,教学团队提出了“以学生为中心、产出为导向、持续改进”的教学理念,并通过实施“四维”混合式教学法,对教学内容、方法和考核方式进行了全面的改革。引入科研项目,设计了一系列与课程内容密切相关的实验教学,涉及皮革废弃物(皮胶原纤维膜)改性利用、优化以及乳液分离性能的测试等实验,并对材料的结构和形貌进行表征,使用Origin软件对实验数据进行处理和分析。通过这些改革措施,不仅提高了课程的教学质量,也促进了学生创新能力和综合素质的有效提高。
Keyword :
实践教学 实践教学 混合式教学 混合式教学 生物质 生物质 皮胶原纤维膜 皮胶原纤维膜 皮革废弃物 皮革废弃物 金属有机框架 金属有机框架
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GB/T 7714 | 叶晓霞 , 吴秋 , 吕源财 et al. 生物质的开发与利用课程教学改革探讨 [J]. | 皮革科学与工程 , 2025 , 35 (3) : 120-125 . |
MLA | 叶晓霞 et al. "生物质的开发与利用课程教学改革探讨" . | 皮革科学与工程 35 . 3 (2025) : 120-125 . |
APA | 叶晓霞 , 吴秋 , 吕源财 , 刘以凡 , 林春香 , 陈杰 . 生物质的开发与利用课程教学改革探讨 . | 皮革科学与工程 , 2025 , 35 (3) , 120-125 . |
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Para-arsanilic acid (p-ASA) is widely used as a feed additive, making it a pervasive environmental pollutant. Due to its migratory and transformative nature, p-ASA can easily convert into more toxic inorganic arsenic during its migration, thereby increasing the ecological burden and posing a threat to human health. Efficient removal of p- ASA from water is crucial for mitigating arsenic contamination. Efficient removal of p-ASA from water is crucial for mitigating arsenic contamination. This study introduced zirconium-loaded collagen fiber membrane (CFM-Zr), a novel, sustainable membrane adsorption material synthesized by retanning collagen fiber membranes (CFM) with zirconium (Zr). Leveraging the physicochemical properties of CFM and the strong affinity of Zr forp-ASA, CFM-Zr achieved highly efficient p-ASA removal. The resulting membrane was made entirely from green, low-carbon and recyclable raw materials, achieving sustainable removal of p-ASA while realizing the concept of treating waste with waste for environmental recovery. Remarkably, the retanning with zirconium significantly enhanced the Zeta potential of CFM-Zr, strengthening its electrostatic attraction to p-ASA, with a maximum adsorption capacity of 289.02 mg & sdot;g- 1, which was 19.72 times higher than that of the CFM before retanning (13.95 mg & sdot;g-1). Its adsorption rate constant was 12.54 mg & sdot;g-1 & sdot;min- 1. Moreover, CFM-Zr showed good reusability and exhibited electrostatic adsorption and metal coordination effects on the "organic" parts (-OH,-NH2) and "inorganic" parts (As-O) of p-ASA, effectively removing it. This work provided a promising bio-based material for water purification, promoted the sustainable utilization of leather industry waste, and offered significant advancements in environmental remediation and resource recovery.
Keyword :
Adsorption and separation Adsorption and separation Metal modification Metal modification Waste-to-resource conversion Waste-to-resource conversion Wastewater treatment Wastewater treatment
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GB/T 7714 | Ye, Xiaoxia , Huang, Jian , Zhang, Yuqing et al. Efficient removal of p-arsanilic acid using a waste-derived collagen fiber-Zr composite membrane [J]. | JOURNAL OF WATER PROCESS ENGINEERING , 2025 , 71 . |
MLA | Ye, Xiaoxia et al. "Efficient removal of p-arsanilic acid using a waste-derived collagen fiber-Zr composite membrane" . | JOURNAL OF WATER PROCESS ENGINEERING 71 (2025) . |
APA | Ye, Xiaoxia , Huang, Jian , Zhang, Yuqing , Lin, Yi , Lv, Yuancai , Lin, Chunxiang et al. Efficient removal of p-arsanilic acid using a waste-derived collagen fiber-Zr composite membrane . | JOURNAL OF WATER PROCESS ENGINEERING , 2025 , 71 . |
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Cellulose nanocrystals (CNCs) are rod-like nanomaterials with high crystallinity obtained from natural cellulose. CNCs suspensions can form iridescent films with chiral nematic structure through evaporation-induced self-assembly (EISA), showing unique optical properties and presenting specific structural colors, which has great application potential in the fields of anti-counterfeiting, sensing, optoelectronics and so on. Due to the abundant, green and renewable feedstock, CNCs has become the first choice of the new chiral materials. In this paper, the formation mechanism, structure and optical properties of CNCs chiral liquid crystals are introduced, the preparation methods of CNCs chiral liquid crystals which are typical at home and abroad in recent years are reviewed, and the structural colors and regulation methods of CNCs chiral liquid crystals are discussed. The application progress of CNCs chiral liquid crystals in the fields of anti-counterfeiting materials, template materials, other functional materials and biomedicine is also summarized. Finally, the challenges and research of CNCs chiral are addressed.
Keyword :
cellulose nanocrystals (CNCs) cellulose nanocrystals (CNCs) chiral liquid crystal chiral liquid crystal self-assembly self-assembly
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GB/T 7714 | Li, Siyu , Liu, Yifan , Lv, Yuancai et al. Preparation and Application of Cellulose Nanocrystalline Chiral Liquid Crystals [J]. | PROGRESS IN CHEMISTRY , 2025 , 37 (5) : 670-685 . |
MLA | Li, Siyu et al. "Preparation and Application of Cellulose Nanocrystalline Chiral Liquid Crystals" . | PROGRESS IN CHEMISTRY 37 . 5 (2025) : 670-685 . |
APA | Li, Siyu , Liu, Yifan , Lv, Yuancai , Ye, Xiaoxia , Lin, Chunxiang , Liu, Minghua . Preparation and Application of Cellulose Nanocrystalline Chiral Liquid Crystals . | PROGRESS IN CHEMISTRY , 2025 , 37 (5) , 670-685 . |
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Depolymerizing lignin to produce high-value chemicals under mild conditions is a significant way to achieve the sustainable development of agriculture and forestry industry, and attracting a growing number of attentions. In this work, a bimetallic Ni-Co catalyst (CoNi2@BTC) was prepared by using MOF as precursor and then employed to degrade the lignin model compounds and real corncob lignin. The resulted CoNi2@BTC mainly composed of Co-0, Ni-0, Co and Ni oxides. Compared to the pure Co@BTC and Ni@BTC, CoNi2@BTC exhibited much better (4.0-4.75 times) performance on cracking the ether bonds without H-2. During the degradation of lignin model compounds, CoNi2@BTC could not only completely crack the various ether bonds (alpha-O-4, beta-O-4 and 4-O-5), but also further hydrogenate the intermediates, resulting the highly selective yield of cycloparaffin (>79.58 %) and cyclohexanol (100 %). The mechanism on ether bond cleavage was ascribed into the weakly acidic site originating from Co and the strongly acidic site stemming from Ni, while the further hydrogenation was attributed into the strong activity of Ni on activating H. Due to the synergistic effect of Ni and Co, CoNi2@BTC also exhibited full depolymerization of real corncob lignin and achieved the high selectivity of cycloparaffin (80.16 %) in the bio-oil. This work will provide a new strategy to the resource utilization of the biomass waste.
Keyword :
Cycloparaffin production Cycloparaffin production Lignin depolymerization Lignin depolymerization Selective cleavage of ether bonds Selective cleavage of ether bonds
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GB/T 7714 | Lv, Yuancai , Yang, Kai , Lin, Xuepeng et al. Selective production of cycloalkanes through the catalytic hydrodeoxygenation of lignin with CoNi2@BTC catalysts without external hydrogen [J]. | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2025 , 303 . |
MLA | Lv, Yuancai et al. "Selective production of cycloalkanes through the catalytic hydrodeoxygenation of lignin with CoNi2@BTC catalysts without external hydrogen" . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES 303 (2025) . |
APA | Lv, Yuancai , Yang, Kai , Lin, Xuepeng , Zhou, Kun , Liu, Yifan , Ye, Xiaoxia et al. Selective production of cycloalkanes through the catalytic hydrodeoxygenation of lignin with CoNi2@BTC catalysts without external hydrogen . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2025 , 303 . |
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Nitrogen-doped porous carbon materials derived from agricultural waste are considered ideal for supercapacitor applications. However, current research is limited to nitrogen doping, with insufficient analysis of the effects of different nitrogen species on capacitor performance. This study compares four different nitrogen sources, revealing that the MN-AC electrode material, prepared using melamine as the nitrogen source, effectively enhances the physicochemical structure and electrochemical performance of the electrode. It exhibits the highest surface nitrogen content (4.54 %) and an optimal mesopore rate (20.6 %), with a significant amount of pyrrole nitrogen (53.19 % of the surface content), which notably improves the material's polarization and wettability, thereby enhancing its electrochemical performance. At a current density of 0.5 A g- 1, MN-AC demonstrates a high specific capacitance of 349.3 F g- 1. Furthermore, in a 6 M KOH electrolyte, it achieves an energy density of 20.3 Wh kg- 1 and a power density of 169 W kg-1. DFT analysis indicates that pyrrole nitrogen increases the material's dipole moment, enhancing the adsorption of electrolyte ions (K+).
Keyword :
Biomass Biomass Carbon materials Carbon materials Nitrogen species Nitrogen species Supercapacitor Supercapacitor
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GB/T 7714 | Chen, Zeyang , Weng, Xin , Zeng, Qibin et al. Regulation of nitrogen species on biomass-based porous activated carbon surfaces by varying nitrogen sources for high-performance supercapacitors [J]. | JOURNAL OF POWER SOURCES , 2025 , 636 . |
MLA | Chen, Zeyang et al. "Regulation of nitrogen species on biomass-based porous activated carbon surfaces by varying nitrogen sources for high-performance supercapacitors" . | JOURNAL OF POWER SOURCES 636 (2025) . |
APA | Chen, Zeyang , Weng, Xin , Zeng, Qibin , Xie, Yunhe , Liu, Yifan , Lv, Yuancai et al. Regulation of nitrogen species on biomass-based porous activated carbon surfaces by varying nitrogen sources for high-performance supercapacitors . | JOURNAL OF POWER SOURCES , 2025 , 636 . |
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Persulfate-based advanced oxidation technologies (PS-AOPs) show great potential in treating emerging pollutants because of their multiple reaction pathways induced by a variety of reactive species. However, the modulation of the reactive species in PS-AOPs and the specificity of reactive species for contaminants have still not received adequate attention. In this work, the feasibility of pH on modulating reactive species in PS-AOPs mediated by single-atom Co catalyst (CoSA) and the relationship between each species and contaminant were deeply discussed. In the CoSA/PMS system, Co(IV) was the predominantly active species in acidic conditions, and 1O2 was the predominantly active species in neutral and alkaline conditions. Specific degradation relationships with various pollutants were explored based on different major active species regulated under different pH conditions. Density Functional Theory (DFT) and experimental results demonstrated that organic pollutants with high EHOMO (Energy of the Highest Occupied Molecular Orbital), low VIP (Vertical Ionization Potential) and Delta E (Energy Gap) were susceptible to oxidative degradation. Sulfonamide compounds, phenol compounds and tetracycline compounds tended to be attacked by 1O2. And the carbamazepine compounds and quinolone compounds tended to be attacked by Co(IV). This study will provide new perspectives on reactive species regulation and specific degradation of pollutants, and offer innovative ideas for rapid remediation of emerging pollutants in aquatic environments.
Keyword :
DFT DFT Peroxymonosulfate Peroxymonosulfate Radical modulation Radical modulation Single-atom catalysts Single-atom catalysts Specific degradation Specific degradation
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GB/T 7714 | Zou, Lingxiao , Hu, Yihui , Lv, Yuancai et al. Non-free radical regulation mechanism based on pH in the peroxymonosulfate activation process mediated by single-atom Co catalyst for the specific rapid degradation of emerging pollutants [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 687 : 617-629 . |
MLA | Zou, Lingxiao et al. "Non-free radical regulation mechanism based on pH in the peroxymonosulfate activation process mediated by single-atom Co catalyst for the specific rapid degradation of emerging pollutants" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 687 (2025) : 617-629 . |
APA | Zou, Lingxiao , Hu, Yihui , Lv, Yuancai , Liu, Yifan , Ye, Xiaoxia , Lin, Chunxiang et al. Non-free radical regulation mechanism based on pH in the peroxymonosulfate activation process mediated by single-atom Co catalyst for the specific rapid degradation of emerging pollutants . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 687 , 617-629 . |
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Rapid industrial growth and widespread fertilizer application have led to nitrate contamination in water, threatening ecosystems and human health. There is growing interest in developing electrocatalysts to convert nitrates into ammonia, enabling wastewater recycling and transforming harmful substances into valuable ammonia. In this study, we presented an eco-friendly, cost-effective electrocatalyst suitable for large-scale industrial production. It was designed specifically for the electrochemical reduction of NO3-to NH3 (NO3- RR). Cu2O nanoparticles were synthesized on Cu foam through a simple one-step in situ growth approach. The conversion of Cu+, serving as the active site during NO3- RR, into nanoscale Cu had been investigated. Cu+sites initiated the conversion of nitrate to nitrite and subsequently facilitated the reduction of nitrite to ammonia while being transformed into nano-grained Cu. The newly generated Cu, with a larger specific surface area and lower charge transfer resistance, improved Faradaic efficiency (FE) for NH3 in the NO3- RR process. As a result, an impressive nitrate removal rate of 100 % and a relatively high ammonia yield rate of 1514.67 mu g h-1 cm-2, along with a low residue of nitrite-N (0.21 ppm) can be achieved in solutions containing 100 ppm of nitrate-N.
Keyword :
Ammonia Ammonia Cu plus active center Cu plus active center Electrocatalytic nitrate reduction Electrocatalytic nitrate reduction Low residue of nitrite-N Low residue of nitrite-N Nano-grained Cu Nano-grained Cu
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GB/T 7714 | Wang, Yanjun , Lv, Yuancai , Liu, Yifan et al. One step in-situ grown Cu2O NPs on CF for efficient electrochemical nitrate reduction to ammonia [J]. | APPLIED SURFACE SCIENCE , 2025 , 699 . |
MLA | Wang, Yanjun et al. "One step in-situ grown Cu2O NPs on CF for efficient electrochemical nitrate reduction to ammonia" . | APPLIED SURFACE SCIENCE 699 (2025) . |
APA | Wang, Yanjun , Lv, Yuancai , Liu, Yifan , Liu, Minghua . One step in-situ grown Cu2O NPs on CF for efficient electrochemical nitrate reduction to ammonia . | APPLIED SURFACE SCIENCE , 2025 , 699 . |
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Heterogeneous electro-Fenton (hetero-EF) system was one of the most promising approaches for treating antibiotic-laden wastewater. However, the rational design of cost-effective, eco-friendly, and efficient earthabundant electrocatalysts remains a significant challenge. This study synthesized a novel catalyst, lignin-based metal biochar (Co-L@C), from coniferous lignin via hydrothermal reaction and temperature-controlled pyrolysis. The results demonstrated that Co-L@C achieved nearly 100% oxytetracycline hydrochloride (OTC) removal within 30 min employing the hetero-EF system, consistently exhibiting efficient OTC degradation rates across a wide pH range (3-9) and in various practical water matrices. In conjunction with the burst test and electron paramagnetic resonance (EPR) analysis, singlet oxygen (1O2) was shown to play a dominant role in OTC degradation. At the same time, further investigation revealed that hydroxyl radicals (& sdot;OH), superoxide radicals (O2 & sdot;- ), and dissolved oxygen (DO) all contributed to 1O2 production. This work offers a potential technology for the effective degradation of antibiotic-contaminated wastewater.
Keyword :
Biochar Biochar Heterogeneous electro-Fenton Heterogeneous electro-Fenton Lignin Lignin Oxytetracycline hydrochloride Oxytetracycline hydrochloride Singlet oxygen Singlet oxygen
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GB/T 7714 | Zou, Niao , Guo, Hong , Zheng, Zhihong et al. Effective degradation of OTC by Co-L@C cathode in heterogeneous Electro-Fenton system: Preeminent role of singlet oxygen species [J]. | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2025 , 193 : 1343-1353 . |
MLA | Zou, Niao et al. "Effective degradation of OTC by Co-L@C cathode in heterogeneous Electro-Fenton system: Preeminent role of singlet oxygen species" . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 193 (2025) : 1343-1353 . |
APA | Zou, Niao , Guo, Hong , Zheng, Zhihong , Lv, Yuancai , Liu, Yifan , Chen, Zengpeng et al. Effective degradation of OTC by Co-L@C cathode in heterogeneous Electro-Fenton system: Preeminent role of singlet oxygen species . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2025 , 193 , 1343-1353 . |
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In this study, sulfur-doped iron-based carbon materials were synthesized by calcining Fe-MOF derivative precursors modified with sodium lignosulfonate (SL) during a solvothermal process. Characterizations including SEM, TEM, XRD, BET, and XPS confirmed that SL incorporation introduced sulfur doping and a carbon substrate, enhancing the specific surface area, electrical conductivity and catalytic activity of the electrocatalysts. The materials were applied as cathodes in a heterogeneous electro-Fenton (HEF) system to remove oxytetracycline hydrochloride (OTC), and the degradation mechanism was further investigated. Among the synthesized materials, FeNPs/CS1.5 (the catalyst prepared when both iron salt and organic ligand were used in an amount of 6.0 mmol and sodium lignosulfonate was added in an amount of 1.5 mmol) exhibited the best performance, achieving over 95 % OTC removal and a mineralization rate of 78.2 % under optimal conditions (SL to Fe (NO3)3.9H2O atomic weight ratio of 1:4, catalyst loading of 2.5 mg cm-2, voltage of -1.2 V and pH = 6). Mechanistic studies revealed that OTC degradation occurred through both radical (center dot OH, O2 center dot-, SO4 center dot-) and nonradical (1O2, electron transfer) pathways. Additionally, SL improved electron transfer rates, promoted the Fe (II)/Fe(III) redox cycle, and significantly inhibited iron ion leaching. These results demonstrate the potential of SL-modified catalysts for efficient pollutant removal and their practical applicability in real water treatment systems.
Keyword :
Composite cathodes Composite cathodes Electro-Fenton (EF) Electro-Fenton (EF) Fe-MOF derivatives Fe-MOF derivatives Mechanism analysis Mechanism analysis Oxytetracycline hydrochloride (OTC) Oxytetracycline hydrochloride (OTC) Sodium lignosulfonate (SL) Sodium lignosulfonate (SL)
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GB/T 7714 | Guo, Hong , Zou, Niao , Hu, Yihui et al. Enhanced degradation of oxytetracycline hydrochloride in neutral heterogeneous electro-Fenton system: Key role of lignin modified Fe-MOFs derived catalyst as cathode [J]. | JOURNAL OF WATER PROCESS ENGINEERING , 2025 , 71 . |
MLA | Guo, Hong et al. "Enhanced degradation of oxytetracycline hydrochloride in neutral heterogeneous electro-Fenton system: Key role of lignin modified Fe-MOFs derived catalyst as cathode" . | JOURNAL OF WATER PROCESS ENGINEERING 71 (2025) . |
APA | Guo, Hong , Zou, Niao , Hu, Yihui , Lv, Yuancai , Liu, Yifan , Liu, Minghua . Enhanced degradation of oxytetracycline hydrochloride in neutral heterogeneous electro-Fenton system: Key role of lignin modified Fe-MOFs derived catalyst as cathode . | JOURNAL OF WATER PROCESS ENGINEERING , 2025 , 71 . |
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