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学者姓名:林春香
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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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Efficient removal of p-arsanilic acid (p-ASA) from contaminated water is crucial for mitigating arsenic contamination. In this study, a membrane adsorbent named CFM-Zn is developed by retanning Zn on a collagen fiber membrane (CFM). This development leverages the unique physicochemical properties of CFM and the strong affinity of Zn for p-ASA. The membrane is composed entirely of green, low-carbon, and recyclable materials, achieving sustainable removal of p-ASA and embodying the concept of using waste to treat waste for environmental recovery. Remarkably, it exhibits an ultra-high capacity of up to 515.46 mg & sdot;g-1. Additionally, CFM-Zn demonstrates moderate reusability, with effectiveness maintained for at least five cycles. This study could advance the development of bio-based materials for water pollutant removal, expand the applications of leather waste, and significantly promote environmental purification and resource recycling.
Keyword :
Adsorption and separation Adsorption and separation Collagen fiber membrane Collagen fiber membrane Metal modification Metal modification Metal oxides Metal oxides p-arsanilic acid p-arsanilic acid
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GB/T 7714 | Zheng, Zhihong , Lin, Yi , Lin, Zheyu et al. Green collagen fiber-based organic-inorganic hybrid membrane material for the effective removal of p-arsanilic acid [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (3) . |
MLA | Zheng, Zhihong et al. "Green collagen fiber-based organic-inorganic hybrid membrane material for the effective removal of p-arsanilic acid" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 13 . 3 (2025) . |
APA | Zheng, Zhihong , Lin, Yi , Lin, Zheyu , Zhang, Dacheng , Lin, Junhan , Ruan, Kailing et al. Green collagen fiber-based organic-inorganic hybrid membrane material for the effective removal of p-arsanilic acid . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (3) . |
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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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Lignin-containing cellulose nanofibers prepared from sugarcane bagasse was used as the substrate to fabricate the superhydrophobic membrane for oil-water separation. The superhydrophobic membrane with a water contact angle of 159.5 degrees was obtained by a facile dipping method based on triclorocadadecylsilane (OTS). The lignin retained in the membrane not only enhanced the hydrophobicity of the membrane, but also contributed to the performance of oil-water separation. When the content of lignin reached 17.53 %, the separation efficiencies of the membrane for diesel and dichloromethane could reach 96 % and 86 %, respectively. Meanwhile, the membrane also showed good oil separation flux up to 716.4 L/(m2 & sdot;h) for dichloromethane, and good recyclability, presenting a promising oil adsorbent in oil spill recovery and environmental protection.
Keyword :
Cellulose nanofibers Cellulose nanofibers Lignin Lignin Oil-water separation Oil-water separation Superhydrophobic Superhydrophobic
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GB/T 7714 | Huang, Jian , Zhou, Kun , Chen, Beiqiu et al. Construction of lignin-containing cellulose nanofibers based superhydrophobic membrane for effective oil-water separation [J]. | JOURNAL OF WATER PROCESS ENGINEERING , 2025 , 69 . |
MLA | Huang, Jian et al. "Construction of lignin-containing cellulose nanofibers based superhydrophobic membrane for effective oil-water separation" . | JOURNAL OF WATER PROCESS ENGINEERING 69 (2025) . |
APA | Huang, Jian , Zhou, Kun , Chen, Beiqiu , Li, Siyu , Wang, Qiong , Lin, Xuepeng et al. Construction of lignin-containing cellulose nanofibers based superhydrophobic membrane for effective oil-water separation . | JOURNAL OF WATER PROCESS ENGINEERING , 2025 , 69 . |
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本研究以纤维素为原料,采用多元酸酐对其进行酯化改性,制备羧基化改性纤维素材料(Cell-COOH).采用单因素实验对Cell-COOH的制备条件进行优化,对Cell-COOH的结构进行表征,并对其吸附性能及行为进行研究.结果表明,在纤维素与均苯四甲酸酐质量比1∶3、反应温度115℃、反应时间1.5h的条件下,制备的Cell-COOH对20mg/L苯丙胺溶液的平衡吸附量为34.59 mg/g;Cell-COOH对苯丙胺的吸附行为符合Langmuir等温吸附模型和准二级动力学模型,主要为单分子层化学吸附,吸附过程为自发的放热反应;同时,Cell-COOH经7次连续吸附-解吸循环实验后,对苯丙胺的吸附量可达到首次吸附的92.64%,具有良好的稳定性及可重复使用性能.
Keyword :
纤维素 纤维素 羧基化改性 羧基化改性 苯丙胺 苯丙胺 高效液相色谱法 高效液相色谱法
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GB/T 7714 | 张睿 , 王璐颖 , 黄健 et al. 羧基化改性纤维素及其对苯丙胺的吸附性能研究 [J]. | 中国造纸学报 , 2025 , 40 (1) : 93-104 . |
MLA | 张睿 et al. "羧基化改性纤维素及其对苯丙胺的吸附性能研究" . | 中国造纸学报 40 . 1 (2025) : 93-104 . |
APA | 张睿 , 王璐颖 , 黄健 , 林春香 . 羧基化改性纤维素及其对苯丙胺的吸附性能研究 . | 中国造纸学报 , 2025 , 40 (1) , 93-104 . |
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Developing adsorbents with high performance and long service life for effective extracting the trace organochlorine pesticides (OCPs) from real water is attracting numerous attentions. Herein, a self-standing covalent organic framework (COF-TpPa) membrane with fiber morphology was successfully synthesized by using electrospun nanofiber membranes as template and employed as solid-phase microextraction (SPME) coating for ultra-high sensitivity extraction and analysis of trace OCPs in water. The as-synthesized COF-TpPa membrane exhibited a high specific surface area (800.83 m(2) g(-1)), stable nanofibrous structure, and excellent chemical and thermal stability. Based on the COF-TpPa membrane, a new SPME analytical method in conjunction with gas chromatography-mass spectrometry (GC-MS) was established. This proposed method possessed favorable linearity in concentration of 0.05-2000 ng L-1, high sensitivity with enrichment factors ranging from 2175 to 5846, low limits of detection (0.001-0.150 ng L-1), satisfactory precision (RSD < 10 %), and excellent repeatability (>150 cycles), which was better than most of the reported works. Additionally, the density functional theory (DFT) calculations and XPS results demonstrated that the outstanding enrichment performance of the COF-TpPa membrane was owing to synergistic effect of pi-pi stacking effects, high specific surface area and hydrogen bonding. This work will expect to extend the applications of COF membrane to captures trace organic pollutants in complex environmental water, as well as offer a multiscale interpretation for the design of effective adsorbents.
Keyword :
Covalent organic framework nanofibrous Covalent organic framework nanofibrous Direct immersion solid-phase microextraction Direct immersion solid-phase microextraction Gas chromatography-mass spectrometry Gas chromatography-mass spectrometry membrane membrane Organochlorine pesticides Organochlorine pesticides
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GB/T 7714 | Lin, Chunxiang , Weng, Yufang , Lin, Yule et al. Porous covalent organic framework nanofibrous membrane for excellent enrichment and ultra-high sensitivity detection of trace organochlorine pesticides in water [J]. | JOURNAL OF CHROMATOGRAPHY A , 2024 , 1721 . |
MLA | Lin, Chunxiang et al. "Porous covalent organic framework nanofibrous membrane for excellent enrichment and ultra-high sensitivity detection of trace organochlorine pesticides in water" . | JOURNAL OF CHROMATOGRAPHY A 1721 (2024) . |
APA | Lin, Chunxiang , Weng, Yufang , Lin, Yule , Liu, Yifan , Li, Xiaojuan , Lv, Yuancai et al. Porous covalent organic framework nanofibrous membrane for excellent enrichment and ultra-high sensitivity detection of trace organochlorine pesticides in water . | JOURNAL OF CHROMATOGRAPHY A , 2024 , 1721 . |
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A valonea tannin-immobilized cellulose-based aerogel (VTCA) was prepared by introducing valonea tannin into cellulose through crosslinking reaction in the of NaOH/urea/H2O solvent system. The structure and property of VTCA was characterized by SEM-EDS, FT-IR, XRD, etc., and the adsorption behavior for Ag(I) in aqueous solution was also investigated. The results showed that the three-dimensional VTCA displayed obvious porous structure with a porosity of 97.95%, and exhibited good adsorption efficiency (>75%) for Ag(I) under a wide pH range (1-8). The Ag(I) adsorption process obeyed the pseudo-second-order kinetic model and the Langmuir adsorption isotherm model. High temperature was favorable for adsorption, and the maximum theoretical adsorption capacity was 147.2mg/g. The mechanism of Ag(I) adsorption involved two process: Ag(I) was firstly adsorbed onto the surface of VTCA through the electrostatic attraction and chelation effects, and then in situ reduced to Ag0 by the phenolic hydroxyl group on the tannin structure. All the results revealed that VTCA owned good adsorption and reduction performance and could achieve the recycling of Ag(I) in water. © 2024 Chinese Society for Environmental Sciences. All rights reserved.
Keyword :
Adsorption Adsorption Aerogels Aerogels Cellulose Cellulose Crosslinking Crosslinking Flavonoids Flavonoids Porosity Porosity Silver compounds Silver compounds Sodium hydroxide Sodium hydroxide Tannins Tannins Water recycling Water recycling
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GB/T 7714 | Chen, Ying , Lin, Yu-Ling , Lv, Yuan-Cai et al. Study of adsorption reduction behavior of Ag(I) on cured tannin cellulose-based aerogels [J]. | China Environmental Science , 2024 , 44 (4) : 2083-2092 . |
MLA | Chen, Ying et al. "Study of adsorption reduction behavior of Ag(I) on cured tannin cellulose-based aerogels" . | China Environmental Science 44 . 4 (2024) : 2083-2092 . |
APA | Chen, Ying , Lin, Yu-Ling , Lv, Yuan-Cai , Liu, Yi-Fan , Lin, Chun-Xiang , Ye, Xiao-Xia et al. Study of adsorption reduction behavior of Ag(I) on cured tannin cellulose-based aerogels . | China Environmental Science , 2024 , 44 (4) , 2083-2092 . |
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An annual production of about 500 million tons of household food waste (HFW) has been documented, resulting in significant implications for human health and the environment in the absence of appropriate treatment. The anaerobic fermentation of HFW in an open system offers the potential to recover high value-added products, lactic acid (LA), thereby simultaneously addressing waste treatment and enhancing resource recovery efficiency. Most of LA fermentation studies have been conducted under mesophilic and thermophilic conditions, with limited research on the production of LA through anaerobic fermentation under hyperthermophilic conditions. This study aimed to produce LA through anaerobic fermentation from HFW under hyperthermophilic conditions (70 +/- 1 degrees C), while varying pH values (5.0 +/- 0.1, 7.0 +/- 0.1, and 9.0 +/- 0.1), and compare the results with LA production under mesophilic (35 +/- 1 degrees C) and thermophilic (52 +/- 1 degrees C) conditions. The findings of this study indicated that the combination of hyperthermophilic conditions and a neutral pH (pH7_70) yielded the highest concentration of LA, measuring at 17.75 +/- 1.51 g/L. The mechanism underlying the high yield of LA at 70 degrees C was elucidated through the combined analysis of organics dissolution, enzymes activities, and 16S rRNA microbiome sequencing.
Keyword :
Anaerobic fermentation Anaerobic fermentation Household food waste Household food waste Hyperthermophilic condition Hyperthermophilic condition Lactic acid Lactic acid Lactobacillus Lactobacillus
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GB/T 7714 | Song, Liang , Cai, Chenhang , Lin, Chunxiang et al. Enhanced lactic acid production from household food waste under hyperthermophilic conditions: Mechanisms and regulation [J]. | WASTE MANAGEMENT , 2024 , 178 : 57-65 . |
MLA | Song, Liang et al. "Enhanced lactic acid production from household food waste under hyperthermophilic conditions: Mechanisms and regulation" . | WASTE MANAGEMENT 178 (2024) : 57-65 . |
APA | Song, Liang , Cai, Chenhang , Lin, Chunxiang , Lv, Yuancai , Liu, Yifan , Ye, Xiaoxia et al. Enhanced lactic acid production from household food waste under hyperthermophilic conditions: Mechanisms and regulation . | WASTE MANAGEMENT , 2024 , 178 , 57-65 . |
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Developing the transition metal catalysts with high reactivity for the sulfate radical (SO4 -center dot) based advanced oxidation processes (SR-AOPs) has been attracting numerous attentions. To improve the peroxymonosulfate (PMS) activation process mediated by Co-based catalysts, a vanadium-cobalt bimetallic catalyst (V@CoO) was fabricated by modification vanadium through a simple solvothermal method. The pollutants degradation experiments showed that the obtained V@CoO exhibited much higher performance on PMS activation (5.55-8.33 times larger of apparent rate constants) than pure CoO, and the V@CoO/PMS system could quickly degrade various organic contaminants within 5 min under the attack of both radicals (SO4 -center dot and O2-center dot) and non-radicals (1O2). The density functional theory (DFT) calculations and electrochemical tests revealed that the enhancing mechanism of V modification involved four aspects: (i) promoting the PMS adsorption on the surface of V@CoO; (ii) enhancing the electron transfer efficiency between V@CoO and PMS; (iii) activating PMS with V3+ and V4+ species; (iv) accelerating the circulation of Co2+ and Co3+, leading to the promotion on the production of reactive oxygen species (ROS). Furthermore, the V@CoO/PMS system also exhibited satisfactory stability in a broad pH range and good efficiency in the presence of co-existing components (HCO3-, NO3-, PO43- , Cl- and HA) in water. This study will provide new insights to designing high-performance, environment-friendly bimetal catalysts and some basis for the remediation of organic contaminants with SR-AOPs.
Keyword :
Co-based catalyst Co-based catalyst Degradation Degradation Organic pollutants Organic pollutants Peroxymonosulfate activation Peroxymonosulfate activation V modification V modification
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GB/T 7714 | Jiang, Yanting , Weng, Xin , Hu, Yihui et al. Enhanced peroxymonosulfate (PMS) activation process mediated by vanadium modified CoO catalyst for rapid degradation of organic pollutants: Insights into the role of V [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2024 , 12 (2) . |
MLA | Jiang, Yanting et al. "Enhanced peroxymonosulfate (PMS) activation process mediated by vanadium modified CoO catalyst for rapid degradation of organic pollutants: Insights into the role of V" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 12 . 2 (2024) . |
APA | Jiang, Yanting , Weng, Xin , Hu, Yihui , Lv, Yuancai , Yu, Zhendong , Liu, Yifan et al. Enhanced peroxymonosulfate (PMS) activation process mediated by vanadium modified CoO catalyst for rapid degradation of organic pollutants: Insights into the role of V . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2024 , 12 (2) . |
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以纤维素为原料,在Na OH/尿素/H2O溶解体系中通过交联作用将橡椀单宁固化在纤维素基体上,制得固化橡椀单宁纤维素基气凝胶(VTCA).通过SEM-EDS、FT-IR、XRD等对VTCA进行表征,并研究其对水溶液中Ag(I)的吸附行为.结果表明,VTCA具有明显的三维网格多孔结构,孔隙率达到97.95%,在较宽的p H范围内(1~8)对Ag(I)均保持较高的吸附效率(>75%).吸附过程符合拟二级动力学模型和Langmuir吸附等温线模型,温度升高有利于吸附,最高理论吸附量为147.2mg/g.吸附还原研究机理表明,VTCA主要通过静电吸引和螯合作用将Ag(I)吸附到其表面,并通过单宁结构上的酚羟基将其原位还原为Ag0,证明VTCA具有良好的吸附还原性能,能够实现对水体中Ag(I)的回收.
Keyword :
Ag(I) Ag(I) 吸附 吸附 橡椀单宁 橡椀单宁 纤维素基气凝胶 纤维素基气凝胶 还原 还原
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GB/T 7714 | 陈颖 , 林昱灵 , 吕源财 et al. 固化单宁纤维素基气凝胶吸附还原Ag(I)行为研究 [J]. | 中国环境科学 , 2024 , 44 (04) : 2083-2092 . |
MLA | 陈颖 et al. "固化单宁纤维素基气凝胶吸附还原Ag(I)行为研究" . | 中国环境科学 44 . 04 (2024) : 2083-2092 . |
APA | 陈颖 , 林昱灵 , 吕源财 , 刘以凡 , 林春香 , 叶晓霞 et al. 固化单宁纤维素基气凝胶吸附还原Ag(I)行为研究 . | 中国环境科学 , 2024 , 44 (04) , 2083-2092 . |
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