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学者姓名：林春香
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Abstract ：
随着锂离子电池(LIBs)需求量的急剧增长,必将产生大量废旧LIBs,如若处置不当,将带来严重的环境污染问题.废旧LIBs的正极材料中含有大量稀缺有价金属,对这些金属进行回收会产生环境和经济的双重效益.相较于传统的正极材料中金属组分的分离纯化回收技术,正极材料直接再生的策略因其具有工艺简单、能耗低、回收周期短、产品附加值高等优势而备受关注.本文综述了共沉淀法、溶胶-凝胶法、固相烧结法、水热法、离子热/熔盐法和电化学修复法6种废旧LIBs正极材料直接再生技术及其优缺点.其中共沉淀法和溶胶-凝胶法因其相对复杂的步骤、较高的设备要求和试剂成本,在工业化应用中具有一定的局限性;固相烧结法、水热法、离子热/熔盐法和电化学修复法因其便捷性和经济性,具有巨大的发展机会.同时展望了废旧LIBs正极材料直接再利用的前景和发展趋势,旨在为废旧LIBs回收领域研究提供参考.
Keyword ：
回收 回收 正极材料 正极材料 直接再生 直接再生 锂离子电池(LIBs) 锂离子电池(LIBs)
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| GB/T 7714 | 李红彦 , 谢书涵 , 张燕如 et al. 废旧锂离子电池正极材料直接再生技术研究进展 [J]. | 化工进展 , 2024 , 43 (9) : 5207-5216 . |
| MLA | 李红彦 et al. "废旧锂离子电池正极材料直接再生技术研究进展" . | 化工进展 43 . 9 (2024) : 5207-5216 . |
| APA | 李红彦 , 谢书涵 , 张燕如 , 王永净 , 王永好 , 吕源财 et al. 废旧锂离子电池正极材料直接再生技术研究进展 . | 化工进展 , 2024 , 43 (9) , 5207-5216 . |
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Extracting uranium from seawater has become an important method to supplement the nuclear industry. Herein, we introduce a simple route to load conjugated microporous polymers onto collagen fiber membranes, resulting in a novel membrane adsorbent material (CMPA-F/CFM) for uranium capture. Its Langmuir adsorption capacity reaches 304.9 mg·g−1 (at 318 K), with fast adsorption kinetic of 60 min, and excellent adsorption selectivity with Kd = 4.69 × 104 mL·g−1 under the temperature of 298 K, initial concentration of 50 mg·L-1, and pH = 7, thus allowing a satisfactory adsorption performance in a 7-day real ocean experiment with a uranium adsorption capacity of 1.25 mg·g−1. Furthermore, in continuous dynamic adsorption experiments, CMPA-F/CFM could treat up to 19.0 L·g−1 of low-enriched uranium (LEU) solution (1 mg·L-1), with a uranium removal rate of up to 87.5 % (10 L of seawater). This study demonstrates broad potential application of membrane adsorption in extraction of low-enriched uranium. © 2024 Elsevier Ltd
Keyword ：
Adsorption Adsorption Collagen Collagen Conjugated polymers Conjugated polymers Extraction Extraction Microporosity Microporosity Nuclear industry Nuclear industry Seawater Seawater Uranium Uranium
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| GB/T 7714 | Ye, Xiaoxia , Liu, Juan , Chen, Xueying et al. Effective uranium extraction from seawater through immobilization of conjugated microporous polymers on collagen fiber membrane [J]. | Chemical Engineering Science , 2024 , 295 . |
| MLA | Ye, Xiaoxia et al. "Effective uranium extraction from seawater through immobilization of conjugated microporous polymers on collagen fiber membrane" . | Chemical Engineering Science 295 (2024) . |
| APA | Ye, Xiaoxia , Liu, Juan , Chen, Xueying , Chen, Dongjun , Qian, Zhen , Chen, Jie et al. Effective uranium extraction from seawater through immobilization of conjugated microporous polymers on collagen fiber membrane . | Chemical Engineering Science , 2024 , 295 . |
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Eucommia ulmoides gum (EUG) with high purity was extracted directly from the Eucommia ulmoides pericarp using a biphasic solvent system consisting of deep eutectic solvent (DES) and petroleum ether. The addition of DES enabled the deconstruction of lignocellulose and the exposure of EUG, leading to the efficient dissolution of EUG in petroleum ether. The extraction rate of EUG was 22.986 %, and the purity of EUG was 98.01 %. The chemical structure of EUG was confirmed by FTIR and NMR characterization. XRD and DSC analysis reviewed the partial destruction of crystal structure and the decline of beta- crystal phase of EUG during the extraction process. Moreover, the extracted EUG exhibited high tensile strength of 10.360 MPa, excellent elongation at break of 78.663 % ascribed to the unique crystallinity that enhanced the flexibility of molecular chains. In addition, the recycling performance of DES and petroleum ether was verified, and the recovery rate were up to 94.04 % and 82.60 %, respectively, indicating that this method is expected to replace the traditional pretreatment method for extracting EUG.
Keyword ：
Biphasic system Biphasic system Deep eutectic solvent Deep eutectic solvent Eucommia ulmoides gum Eucommia ulmoides gum Extraction Extraction
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| GB/T 7714 | Zhou, Yicheng , Liu, Yifan , Lv, Yuancai et al. Efficient extraction of Eucommia ulmoides gum by a deep eutectic solvent-organic solvent biphasic recyclable system [J]. | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2024 , 283 . |
| MLA | Zhou, Yicheng et al. "Efficient extraction of Eucommia ulmoides gum by a deep eutectic solvent-organic solvent biphasic recyclable system" . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES 283 (2024) . |
| APA | Zhou, Yicheng , Liu, Yifan , Lv, Yuancai , Ye, Xiaoxia , Song, Liang , Liu, Minghua et al. Efficient extraction of Eucommia ulmoides gum by a deep eutectic solvent-organic solvent biphasic recyclable system . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2024 , 283 . |
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Here, valonia tannin and sulfhydryl functional groups were added to the cellulose aerogel from waste textiles to form a thiol-modified tannin-immobilized cellulose-based aerogel (TVTCA) with selective adsorption and outstanding reducing properties. This aerogel was then utilized to recycle Au(III) in the water. The resulting 3D TVTCA contained abundant-SH groups and phenolic hydroxyl groups and exhibited stable crystal structure and good thermal properties. TVTCA showed excellent Au (III) adsorption performance (598.3 mg/g of maximum adsorption capacity) and strong reductivity (78 %). The adsorption process was conducted using both the pseudo-second-order kinetic model and the Langmuir adsorption isotherm model. In addition, TVTCA displayed excellent anti-interference ability. Even though the coexisting ions concentration was as high as 100 mmol/L, TVTCA still owned a high Au adsorption capacity (178.91-224.14 mg/g) and selectivity factor (29.16-2629.34), which was much higher than valonia tannin-immobilized cellulose-based aerogel (VTCA). Furthermore, the recycling of Au with TVTCA mainly included adsorption and in-situ reduction processes. The mechanisms involved the electrostatic interaction and chelation effects, which were ascribed to the introduced sulfhydryl groups. Meanwhile, the in-situ Au reduction was mainly caused by the studies showing that the high adsorption capacity of TVTCA was owing to the phenolic hydroxyl groups on the introduced valonia tannin. All the findings would provide a new way to achieve the recycling of precious metals from wastewater by using valuable cotton waste.
Keyword ：
Au(III) Au(III) Difunctional cellulose aerogel Difunctional cellulose aerogel Reduction Reduction Selective adsorption Selective adsorption
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| GB/T 7714 | Liu, Yifan , Lin, Yuling , Chen, Ying et al. Selective adsorption and synchronous reduction of Au from water with difunctional cellulose aerogel: Performance and mechanism [J]. | INDUSTRIAL CROPS AND PRODUCTS , 2024 , 222 . |
| MLA | Liu, Yifan et al. "Selective adsorption and synchronous reduction of Au from water with difunctional cellulose aerogel: Performance and mechanism" . | INDUSTRIAL CROPS AND PRODUCTS 222 (2024) . |
| APA | Liu, Yifan , Lin, Yuling , Chen, Ying , Huang, Jianhui , Lv, Yuancai , Ye, Xiaoxia et al. Selective adsorption and synchronous reduction of Au from water with difunctional cellulose aerogel: Performance and mechanism . | INDUSTRIAL CROPS AND PRODUCTS , 2024 , 222 . |
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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 Ag(I) Ag(I) cellulose-based aerogel cellulose-based aerogel reduction reduction valonea tannin valonea tannin
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| GB/T 7714 | Chen, Y. , Lin, Y.-L. , Lv, Y.-C. et al. Study of adsorption reduction behavior of Ag(I) on cured tannin cellulose-based aerogels; [固化单宁纤维素基气凝胶吸附还原 Ag(I)行为研究] [J]. | China Environmental Science , 2024 , 44 (4) : 2083-2092 . |
| MLA | Chen, Y. et al. "Study of adsorption reduction behavior of Ag(I) on cured tannin cellulose-based aerogels; [固化单宁纤维素基气凝胶吸附还原 Ag(I)行为研究]" . | China Environmental Science 44 . 4 (2024) : 2083-2092 . |
| APA | Chen, Y. , Lin, Y.-L. , Lv, Y.-C. , Liu, Y.-F. , Lin, C.-X. , Ye, X.-X. et al. Study of adsorption reduction behavior of Ag(I) on cured tannin cellulose-based aerogels; [固化单宁纤维素基气凝胶吸附还原 Ag(I)行为研究] . | 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 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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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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光响应性吸附材料对污染物的光控释放性能，对发展吸附材料的绿色再生具有重要的意义。以纤维素为原料，偶氮苯衍生物为功能单体，以典型农药残留2,4-D为模板，采用表面引发原子转移自由基聚合（SI-ATRP）制备光响应纤维素印迹吸附剂（Cell-AB-MIP）。通过单因素实验对材料的制备条件进行优选，采用多种表征手段对材料结构和性能进行分析。结果表明：Cell-AB-MIP表面含有丰富的官能团（—COOH,N=N等），对2,4-D具有较高的特异性识别作用；偶氮苯基团的引入使得Cell-AB-MIP具备优异的光再生性能。经过紫外光照射后，Cell-AB-MIP上的偶氮苯基团将从反式构型转变为顺式构型，从而改变吸附剂对污染物的吸附亲和力，实现光控条件下的清洁脱附。在甲醇介质中光照解吸效率可达72.22%，经过5次光循环后对2,4-D的吸附百分比仍可达到83.47%;SEM及EA分析结果证实了吸附剂经紫外光照射后污染物可从吸附剂表面脱离，完成吸附剂的再生过程。
Keyword ：
2 2 4-D 4-D 光响应 光响应 分子印迹 分子印迹 纤维素 纤维素 绿色再生 绿色再生
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| GB/T 7714 | 王璐颖 , 邱越洺 , 张睿 et al. 光响应纤维素基印迹吸附材料的制备及光再生性能 [J]. | 材料工程 , 2024 , 52 (02) : 180-189 . |
| MLA | 王璐颖 et al. "光响应纤维素基印迹吸附材料的制备及光再生性能" . | 材料工程 52 . 02 (2024) : 180-189 . |
| APA | 王璐颖 , 邱越洺 , 张睿 , 许平凡 , 刘以凡 , 林春香 et al. 光响应纤维素基印迹吸附材料的制备及光再生性能 . | 材料工程 , 2024 , 52 (02) , 180-189 . |
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