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学者姓名:黄健
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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.
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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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In this study, the coupling agent polydopamine/polyethyleneimine (PDA/PEI) was utilized to modify the surface of an alpha-Al2O3 support. Owing to the cross-linking characteristics of the -NH2 and -OH functional groups with Zn2+ ions on the support by the coupling agent, a continuous and dense 2D-zeolitic imidazolate framework-8 (ZIF-8) membrane was induced and regulated. The hydrogen (H-2) separation performance, mechanism and preparation optimization of the ZIF-8 membrane grown on the modified layer of PDA/PEI were investigated. The results indicated that a ZIF-8 membrane with an approximate thickness of 12 mu m formed on a Zn2+@PDA/PEImodified alpha-Al2O3 support. The H-2 permeance of the ZIF-8 membrane was 3.02 x 10(-7) mol.Pa-1.m(-2).s(-1) at 25 degrees C and 0.15 MPa, with ideal selectivities of 12, 51, and 59 for H-2/CO2, H-2/N-2, and H-2/CH4, respectively. Notably, these values significantly exceeded the Robeson upper limits. The primary mechanism of zinc ion complexation in the PDA/PEI codeposit layer involves the formation of complexes between the O and N atoms on the layer and Zn2+, and a significant number of imines (NH=) can be employed to chelate Zn2+ and facilitate the formation of Zn =N compounds. This facilitated the heterogeneous nucleation of ZIF-8 on the support surface, resulting in the synthesis of continuous ZIF-8 membranes with ultrahigh H-2/N-2 and H-2/CH4 selectivity and excellent intergrowth.
Keyword :
alpha-Al2O3 alpha-Al2O3 H-2 separation H-2 separation MOF membrane MOF membrane ZIF-8 ZIF-8 Zn2+@PDA/PEI-modified Zn2+@PDA/PEI-modified
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GB/T 7714 | Rau, Jui-Yeh , Xie, Yulin , Mao, Zhujian et al. Enhanced hydrogen separation with ZIF-8/α-Al2O3 membranes synthesized via PDA/PEI-chelated zinc ions [J]. | APPLIED SURFACE SCIENCE , 2025 , 698 . |
MLA | Rau, Jui-Yeh et al. "Enhanced hydrogen separation with ZIF-8/α-Al2O3 membranes synthesized via PDA/PEI-chelated zinc ions" . | APPLIED SURFACE SCIENCE 698 (2025) . |
APA | Rau, Jui-Yeh , Xie, Yulin , Mao, Zhujian , Wang, Youyi , Hao, Jiayi , Cai, Shihan et al. Enhanced hydrogen separation with ZIF-8/α-Al2O3 membranes synthesized via PDA/PEI-chelated zinc ions . | APPLIED SURFACE SCIENCE , 2025 , 698 . |
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Humic acid (HA) is the main precursor of carcinogenic compounds such as trichloromethane, which form during the disinfection of drinking water. Therefore, removing HA from water sources is crucial for producing safe drinking water. This study introduces a novel approach using dilute nitric acid as a nitrogen source to dope pristine Ti3AlC2 (TAC) to varying degrees, enhancing the material's photocatalytic degradation performance for HA. Characterisations through X-ray diffraction, Fourier transform infrared, scanning electron microscopy, UV-vis and X-ray photoelectron spectroscopy revealed that the surface morphology of the modified catalyst changed from an original blocky lamellar structure to a rod-like cluster structure, which is advantageous for light trapping. In addition, the incorporation of nitrogen reduced the band gap of the material from 1.25 to 1.15 eV, considerably enhancing its overall light responsiveness and thereby improving its photocatalytic performance. The results demonstrated that the photocatalytic degradation efficiency of HA by TAC under optimal conditions reached 93.8 %, which is 4.3 times higher than the 21.8 % efficiency achieved using the undoped TAC material. The enhanced photocatalytic activity is attributed to N doping, which not only reduces the TiO2 band gap at the TAC surface but also improves the electrochemical behaviour of TAC. This results in enhanced light response and more efficient separation of photogenerated electron-hole pairs. The mechanism for CTAC-N-x photocatalytic degradation of HA was investigated using trapping agent experiments, revealing that the primary active substance responsible for the degradation is O-2(-).
Keyword :
Humic acid Humic acid MAX MAX N-doped N-doped Photocatalytic degradation Photocatalytic degradation Ti3AlC2 Ti3AlC2
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GB/T 7714 | Wang, Youyi , Rau, Jui-Yeh , Mao, Zhujian et al. Efficient Photocatalytic Degradation of Humic Acid in Water Using N-Doped Ti3AlC2 MAX [J]. | CHEMISTRYSELECT , 2024 , 9 (39) . |
MLA | Wang, Youyi et al. "Efficient Photocatalytic Degradation of Humic Acid in Water Using N-Doped Ti3AlC2 MAX" . | CHEMISTRYSELECT 9 . 39 (2024) . |
APA | Wang, Youyi , Rau, Jui-Yeh , Mao, Zhujian , Chen, Zhi-Ting , Huang, Jian . Efficient Photocatalytic Degradation of Humic Acid in Water Using N-Doped Ti3AlC2 MAX . | CHEMISTRYSELECT , 2024 , 9 (39) . |
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Developing the Co-based catalysts with high reactivity for the sulfate radical (SO4−·)–based advanced oxidation processes (SR-AOPs) has been attracting numerous attentions. To improve the peroxymonosulfate (PMS) activation process, a novel Co-based catalyst simultaneously modified by bamboo carbon (BC) and vanadium (V@CoO-BC) was fabricated through a simple solvothermal method. The atenolol (ATL) degradation experiments in V@CoO-BC/PMS system showed that the obtained V@CoO-BC exhibited much higher performance on PMS activation than pure CoO, and the V@CoO-BC/PMS system could fully degrade ATL within 5 min via the destruction of both radicals (SO4−· and O2−··) and non-radicals (1O2). The quenching experiments and electrochemical tests revealed that the enhancing mechanism of bamboo carbon and V modification involved four aspects: (i) promoting the PMS and Co ion adsorption on the surface of V@CoO-BC; (ii) enhancing the electron transfer efficiency between V@CoO-BC and PMS; (iii) activating PMS with V3+ species; (iv) accelerating the circulation of Co2+ and Co3+, leading to the enhanced yield of reactive oxygen species (ROS). Furthermore, the V@CoO-BC/PMS system also exhibited satisfactory stability under broad pH (3–9) and good efficiency in the presence of co-existing components (HCO3−, NO3−, Cl−, and HA) in water. This study provides new insights to designing high-performance, environment-friendly bimetal catalysts and some basis for the remediation of antibiotic contaminants with SR-AOPs. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.
Keyword :
Antibiotic degradation Antibiotic degradation Biochar modification Biochar modification Co-based catalyst Co-based catalyst Peroxymonosulfate activation Peroxymonosulfate activation V modification V modification
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GB/T 7714 | Hu, Y. , Yang, K. , Lin, Y. et al. Performance and mechanistic studies of rapid atenolol degradation through peroxymonosulfate activation by V, Co, and bamboo carbon catalyst [J]. | Environmental Science and Pollution Research , 2024 , 31 (25) : 36761-36777 . |
MLA | Hu, Y. et al. "Performance and mechanistic studies of rapid atenolol degradation through peroxymonosulfate activation by V, Co, and bamboo carbon catalyst" . | Environmental Science and Pollution Research 31 . 25 (2024) : 36761-36777 . |
APA | Hu, Y. , Yang, K. , Lin, Y. , Weng, X. , Jiang, Y. , Huang, J. et al. Performance and mechanistic studies of rapid atenolol degradation through peroxymonosulfate activation by V, Co, and bamboo carbon catalyst . | Environmental Science and Pollution Research , 2024 , 31 (25) , 36761-36777 . |
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Separating anionic surfactant-stabilized oil-in-water emulsions remains a critical challenge due to the presence of surfactants. In this study, we developed a unique collagen fiber-based CFM-PEI-TiO2 with superhydrophilic and underwater superoleophobic properties, enabling efficient separation of various anionic surfactant-stabilized oilin-water microemulsions and nanoemulsions through charge demulsification effects. The membrane achieved high separation flux (1458.50 L & sdot;m- 2 & sdot;h- 1) and separation efficiency (99.94%) simultaneously. Importantly, the membrane exhibited remarkable mechanical durability, as it remained capable of separating diverse oil-in-water emulsions even after being subjected to abrasion with sandpaper for 500 cycles, highlighting its long-term durability and economic viability. The robust membrane also demonstrated excellent recyclability, with a separation efficiency of over 99% after twelve cycles and a flux of 1299.10 L & sdot;m- 2 & sdot;h- 1 after fifteen cycles. These properties can be attributed to the PEI-induced electrostatic interactions and the enhanced superhydrophilicsuperoleophobic interaction provided by TiO2 on the unique collagen fiber membrane. The outcomes emphasize the versatility and potential of our membrane in overcoming the challenges associated with emulsified oily wastewater.
Keyword :
Abrasion stability Abrasion stability Anionic surfactant-stabilized O/W emulsions Anionic surfactant-stabilized O/W emulsions Collagen fiber membrane Collagen fiber membrane Superhydrophilic/underwater superoleophobic Superhydrophilic/underwater superoleophobic
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GB/T 7714 | Ye, Xiaoxia , Lin, Xiaoying , Chi, Ruiyang et al. Aminated superhydrophilic/underwater superoleophobic collagen fiber membrane for efficient separation of anionic surfactant-stabilized oil-in-water emulsions [J]. | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2024 , 183 : 1186-1197 . |
MLA | Ye, Xiaoxia et al. "Aminated superhydrophilic/underwater superoleophobic collagen fiber membrane for efficient separation of anionic surfactant-stabilized oil-in-water emulsions" . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 183 (2024) : 1186-1197 . |
APA | Ye, Xiaoxia , Lin, Xiaoying , Chi, Ruiyang , Liu, Juan , Huang, Jian , Chen, Jie . Aminated superhydrophilic/underwater superoleophobic collagen fiber membrane for efficient separation of anionic surfactant-stabilized oil-in-water emulsions . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2024 , 183 , 1186-1197 . |
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Detecting trace endocrine disruptors in water is crucial for evaluating the water quality. In this work, a innovative modified polyacrylonitrile@cyanuric chloride-triphenylphosphine nanofiber membrane (PAN@CC-TPS) was prepared by in situ growing triazine porous organic polymers on the polyacrylonitrile (PAN) nanofibers, and used in the dispersive solid phase extraction (DSPE) to enrich trace nitrobenzene phenols (NPs) in water. The resluted PAN@CC-TPS nanofiber membrane consisted of numerous PAN nanofibers cover with CC-TPS solid spheres (similar to 2.50 mu m) and owned abundant functional groups, excellent enrichment performance and good stability. In addition, the method based on PAN@CC-TPS displayed outstanding capacity in detecting the trace nitrobenzene phenols, with 0.50-1.00 mu g/L of the quantification, 0.10-0.80 mu g/L of the detection limit, 85.35-113.55 % of the recovery efficiency, and 98.08-103.02 of the enrichment factor, which was comparable to most materials. Meanwhile, when PAN@CC-TPS was adopted in the real water samples (sea water and river water), the high enrichment factors and recovery percentages strongly confirmed the feasibility of PAN@CC-TPS for enriching and detecting the trace NPs. Besides, the related mechanism of extracting NPs on PAN@CC-TPS mainly involved the synergistic effect of hydrogen bonding, pi-pi stacking and hydrophobic effect.
Keyword :
Adsorption Adsorption Dispersive solid phase extraction Dispersive solid phase extraction Enrichment Enrichment Nanofiber membrane Nanofiber membrane Nitro-phenol Nitro-phenol Triazine Triazine
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GB/T 7714 | Weng, Xin , Liu, Shuting , Huang, Jian et al. Efficient dispersive solid phase extraction of trace nitrophenol pollutants in water with triazine porous organic polymer modified nanofiber membrane [J]. | JOURNAL OF CHROMATOGRAPHY A , 2024 , 1717 . |
MLA | Weng, Xin et al. "Efficient dispersive solid phase extraction of trace nitrophenol pollutants in water with triazine porous organic polymer modified nanofiber membrane" . | JOURNAL OF CHROMATOGRAPHY A 1717 (2024) . |
APA | Weng, Xin , Liu, Shuting , Huang, Jian , Lv, Yuancai , Liu, Yifan , Li, Xiaojuan et al. Efficient dispersive solid phase extraction of trace nitrophenol pollutants in water with triazine porous organic polymer modified nanofiber membrane . | JOURNAL OF CHROMATOGRAPHY A , 2024 , 1717 . |
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Two-dimensional Cu/TACN rod-spherical photocatalysts were prepared via dilute nitric acid etching with MAX Ti3AlC2 (TAC) via a solvothermal method. These Cu/TACN photocatalysts were designed for photocatalytic hydrogen production in water. Notably, the 8 %Cu/TACN photocatalyst exhibited superior performance, achieving a hydrogen production rate of 2235.1 mu mol center dot g-1 center dot h-1, which was about 21 times greater than the value of 109.0 mu mol center dot g-1 center dot h-1 observed for pure TAC. The marked enhancement in performance is attributed primarily to the synergistic effect of the close interfacial contact and aligned energy levels between the highly conductive, rod-like TACN and Cu/Cu2O particles. This interaction significantly accelerates the separation and transfer of photogenerated carriers. Consequently, etched and modified TAC treated with dilute nitric acid and a transition metal (Cu) provides a novel approach for designing photocatalysts and optimizing energy applications.
Keyword :
Hydrogen evolution Hydrogen evolution MAX MAX Photocatalyst Photocatalyst Transition metal Transition metal
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GB/T 7714 | Wang, Youyi , Rau, Jui-yeh , Mao, Zhujian et al. Efficient hydrogen evolution using a two-dimensional MAX-supported Cu/ TACN rod-spherical novel photocatalyst [J]. | FUEL , 2024 , 381 . |
MLA | Wang, Youyi et al. "Efficient hydrogen evolution using a two-dimensional MAX-supported Cu/ TACN rod-spherical novel photocatalyst" . | FUEL 381 (2024) . |
APA | Wang, Youyi , Rau, Jui-yeh , Mao, Zhujian , Chen, Wenqi , Xie, Yulin , Huang, Qi et al. Efficient hydrogen evolution using a two-dimensional MAX-supported Cu/ TACN rod-spherical novel photocatalyst . | FUEL , 2024 , 381 . |
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A boron and iron co-doped biochar (B-Fe/biochar) from Masson pine bark was fabricated and used to activate peroxydisulfate (PDS) for the degradation of guaiacol (GL). The roles of the dopants and the contribution of the radical and non-radical oxidations were investigated. The results showed that the doping of boron and iron significantly improved the catalytic activity of the biochar catalyst with a GL removal efficiency of 98.30% within 30 min. The degradation of the GL mainly occurred through the generation of hydroxyl radicals (center dot OHs) and electron transfer on the biochar surface, and a non-radical degradation pathway dominated by direct electron transfer was proposed. Recycling the B-Fe/biochar showed low metal leaching from the catalyst and satisfactory long-term stability and reusability, providing potential insights into the use of metal and non-metal co-doped biochar catalysts for PDS activation.
Keyword :
B/Fe co-doping B/Fe co-doping biochar biochar Masson pine bark Masson pine bark peroxydisulfate activation peroxydisulfate activation
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GB/T 7714 | Huang, Jian , Zhu, Yu , Bian, Huiyang et al. Insights into Enhanced Peroxydisulfate Activation with B and Fe Co-Doped Biochar from Bark for the Rapid Degradation of Guaiacol [J]. | MOLECULES , 2023 , 28 (22) . |
MLA | Huang, Jian et al. "Insights into Enhanced Peroxydisulfate Activation with B and Fe Co-Doped Biochar from Bark for the Rapid Degradation of Guaiacol" . | MOLECULES 28 . 22 (2023) . |
APA | Huang, Jian , Zhu, Yu , Bian, Huiyang , Song, Liang , Liu, Yifan , Lv, Yuancai et al. Insights into Enhanced Peroxydisulfate Activation with B and Fe Co-Doped Biochar from Bark for the Rapid Degradation of Guaiacol . | MOLECULES , 2023 , 28 (22) . |
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废纸制浆造纸已逐渐成为造纸行业的主导,但其废水量大、污染严重。以山鹰国际控股有限公司某造纸厂废纸制浆造纸废水为例,探讨了废水中溶解性有机污染物(DOM)的特性及其迁移转化规律。采用紫外可见光谱、红外光谱、三维荧光光谱、凝胶渗透色谱(GPC)及气相色谱-质谱(GC-MS)等仪器对水样中的DOM进行特性表征。结果表明,废纸制浆造纸废水中DOM主要以疏水性的芳香族化合物、长链烷烃类物质为主,分子质量分布广泛,经过生化处理后,二级出水中仍含有难降解的腐殖酸类物质;高级氧化处理后,废水的COD大大降低,最终出水中DOM主要是以含有苯环的腐殖质有机物为主。
Keyword :
DOM DOM 废纸 废纸 特性分析 特性分析 造纸废水 造纸废水
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GB/T 7714 | 陈学萍 , 占正奉 , 伊浩 et al. 废纸制浆造纸废水处理过程中溶解性有机物转化特性的研究 [J]. | 中国造纸 , 2022 , 41 (07) : 1-10 . |
MLA | 陈学萍 et al. "废纸制浆造纸废水处理过程中溶解性有机物转化特性的研究" . | 中国造纸 41 . 07 (2022) : 1-10 . |
APA | 陈学萍 , 占正奉 , 伊浩 , 王平 , 王璐颖 , 朱宇 et al. 废纸制浆造纸废水处理过程中溶解性有机物转化特性的研究 . | 中国造纸 , 2022 , 41 (07) , 1-10 . |
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In this study, the ultraviolet (UV) enhanced gamma-Fe2O3@Carbon composite (gamma-Fe2O3@C) persulfate (PS) activation system was successfully constructed for quinoline degradation. Quinoline can be effectively degraded with the removal efficiency of 99 % and TOC removal efficiency of 86 % in 60 min at pH 7.5 due to the increased contribution of SO4.- and (OH)-O-. caused by the assistance of UV irradiation in the gamma-Fe2O3@C/PS system. Control experiments showed that the quinoline removal efficiency might be primarily restricted by the limited PS dosage and the system had a wide pH application range of 3 similar to 11, good tolerance and strong anti-interference ability. In the presence of the reactive oxygen species (SO4.-, (OH)-O-. and O-1(2)), quinoline was first decomposed into formic acid, aniline, ethylbenzene and other intermediate products through hydroxylation, oxidative dehydrogenation and ring-opening reactions and then most of them were mineralized into carbon dioxide and water eventually.
Keyword :
persulfate persulfate quinoline quinoline radicals radicals singlet oxygen singlet oxygen ultraviolet ultraviolet
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GB/T 7714 | Li, Xiaojuan , Ye, Ziyu , Liao, Fengzhen et al. Degradation of Aqueous Quinoline Using Persulfate Activated by gamma-Fe2O3@Carbon Composites and Enhanced by UV Irradiation [J]. | CHEMISTRYSELECT , 2021 , 6 (42) : 11638-11647 . |
MLA | Li, Xiaojuan et al. "Degradation of Aqueous Quinoline Using Persulfate Activated by gamma-Fe2O3@Carbon Composites and Enhanced by UV Irradiation" . | CHEMISTRYSELECT 6 . 42 (2021) : 11638-11647 . |
APA | Li, Xiaojuan , Ye, Ziyu , Liao, Fengzhen , Xie, Shuhan , Ye, Lanmei , Wang, Yongjing et al. Degradation of Aqueous Quinoline Using Persulfate Activated by gamma-Fe2O3@Carbon Composites and Enhanced by UV Irradiation . | CHEMISTRYSELECT , 2021 , 6 (42) , 11638-11647 . |
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