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碳中和背景下水体溶解有机质碳汇潜力解析的实验设计 PKU
期刊论文 | 2024 , 41 (01) , 220-224 | 实验技术与管理
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Abstract :

该文将科技前沿和实验教学相结合,设计了水体DOM碳汇潜力解析探索型实验。该实验设计采集典型水体的DOM样品,开展生物降解培养实验,综合运用总有机碳分析仪、紫外-可见吸收光谱仪和分子荧光光谱仪,定量分析总体溶解有机碳(DOC)的生物可降解性,解析DOM中有色组分和不同类型荧光组分的降解转化特征。实验结果可用于环境DOM的碳汇潜力评估和机理解析。该实验有助于学生理解碳中和前沿科学理论,掌握现代仪器分析技术的原理、操作和数据处理分析方法,培养创新思维和实践能力。

Keyword :

分子荧光光谱 分子荧光光谱 实验设计 实验设计 溶解有机质 溶解有机质 碳中和 碳中和 碳汇 碳汇

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GB/T 7714 杨丽阳 , 王羽凡 , 陈苇 et al. 碳中和背景下水体溶解有机质碳汇潜力解析的实验设计 [J]. | 实验技术与管理 , 2024 , 41 (01) : 220-224 .
MLA 杨丽阳 et al. "碳中和背景下水体溶解有机质碳汇潜力解析的实验设计" . | 实验技术与管理 41 . 01 (2024) : 220-224 .
APA 杨丽阳 , 王羽凡 , 陈苇 , 朱卓毅 . 碳中和背景下水体溶解有机质碳汇潜力解析的实验设计 . | 实验技术与管理 , 2024 , 41 (01) , 220-224 .
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K/Zn/Sn/S金属硫化物对水中铯离子的吸附去除性能及机理 CSCD PKU
期刊论文 | 2024 , 18 (01) , 1-12 | 环境工程学报
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Abstract :

通过水热法合成了纳米片状K/Zn/Sn/S金属硫化物(KZTS-NS),并研究了KZTS-NS对Cs~+的吸附特性及机理。结果表明,KZTS-NS具有快速的吸附Cs~+动力学特性,仅需10 min即可达到吸附平衡,此时Cs~+去除率为96.50%;KZTS-NS对Cs~+的吸附等温线符合Langmuir模型,最大吸附容量为133.96 mg·g~(-1),高于报道的其他吸附剂,且吸附是个自发、吸热且熵增的过程;KZTS-NS能够在pH为3~10内对Cs~+保持良好吸附效果;溶液中共存离子对KZTS-NS吸附效果的影响从高到低排序依次为Mg~(2+)>Ca~(2+)>Na~+>K~+,在自来水中、矿泉水、湖水和海水中KZTS-NS对Cs~+的去除率分别为42.14%、25.15%、14.14%和4.44%。此外,利用扫描电子显微镜(SEM)、X射线衍射(XRD)和X射线光电子能谱(XPS)等技术对吸附铯离子(Cs~+)前后的KZTS-NS进行表征以揭示吸附机理。结果表明,KZTS-NS具有纳米片形貌,K、Zn、Sn和S元素在表面均匀分布,吸附Cs~+后形貌保持不变,并且XRD特征峰往低角度方向偏移,对应的晶面间距增大;由XPS图谱和定量分析可知,KZTS-NS对Cs~+的吸附机理为离子交换。总之,KZTS-NS能够快速、高效地去除废水中的Cs~+,具有较大的应用潜力。本研究将为放射性废水中Cs~+的处理提供技术参考和基础数据支撑。

Keyword :

吸附 吸附 放射性污染 放射性污染 离子交换 离子交换 金属硫化物 金属硫化物

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GB/T 7714 洪奇圣 , 穆景利 , 张艳 et al. K/Zn/Sn/S金属硫化物对水中铯离子的吸附去除性能及机理 [J]. | 环境工程学报 , 2024 , 18 (01) : 1-12 .
MLA 洪奇圣 et al. "K/Zn/Sn/S金属硫化物对水中铯离子的吸附去除性能及机理" . | 环境工程学报 18 . 01 (2024) : 1-12 .
APA 洪奇圣 , 穆景利 , 张艳 , 袁宗胜 , 杨丽阳 , 张铭栋 . K/Zn/Sn/S金属硫化物对水中铯离子的吸附去除性能及机理 . | 环境工程学报 , 2024 , 18 (01) , 1-12 .
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A global database of dissolved organic matter (DOM) concentration measurements in coastal waters (CoastDOM v1) SCIE
期刊论文 | 2024 , 16 (2) , 1107-1119 | EARTH SYSTEM SCIENCE DATA
WoS CC Cited Count: 1
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Measurements of dissolved organic carbon (DOC), nitrogen (DON), and phosphorus (DOP) concentrations are used to characterize the dissolved organic matter (DOM) pool and are important components of biogeochemical cycling in the coastal ocean. Here, we present the first edition of a global database (CoastDOM v1; available at https://doi.org/10.1594/PANGAEA.964012, L & oslash;nborg et al., 2023) compiling previously published and unpublished measurements of DOC, DON, and DOP in coastal waters. These data are complemented by hydrographic data such as temperature and salinity and, to the extent possible, other biogeochemical variables (e.g. chlorophyll a, inorganic nutrients) and the inorganic carbon system (e.g. dissolved inorganic carbon and total alkalinity). Overall, CoastDOM v1 includes observations of concentrations from all continents. However, most data were collected in the Northern Hemisphere, with a clear gap in DOM measurements from the Southern Hemisphere. The data included were collected from 1978 to 2022 and consist of 62 338 data points for DOC, 20 356 for DON, and 13 533 for DOP. The number of measurements decreases progressively in the sequence DOC > DON > DOP, reflecting both differences in the maturity of the analytical methods and the greater focus on carbon cycling by the aquatic science community. The global database shows that the average DOC concentration in coastal waters (average +/- standard deviation (SD): 182 +/- 314 mu mol C L-1; median: 103 mu mol C L-1) is 13-fold higher than the average coastal DON concentration (13.6 +/- 30.4 mu mol N L-1; median: 8.0 mu mol N L-1), which is itself 39-fold higher than the average coastal DOP concentration (0.34 +/- 1.11 mu mol P L-1; median: 0.18 mu mol P L-1). This dataset will be useful for identifying global spatial and temporal patterns in DOM and will help facilitate the reuse of DOC, DON, and DOP data in studies aimed at better characterizing local biogeochemical processes; closing nutrient budgets; estimating carbon, nitrogen, and phosphorous pools; and establishing a baseline for modelling future changes in coastal waters.

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GB/T 7714 Lonborg, Christian , Carreira, Catia , Abril, Gwenael et al. A global database of dissolved organic matter (DOM) concentration measurements in coastal waters (CoastDOM v1) [J]. | EARTH SYSTEM SCIENCE DATA , 2024 , 16 (2) : 1107-1119 .
MLA Lonborg, Christian et al. "A global database of dissolved organic matter (DOM) concentration measurements in coastal waters (CoastDOM v1)" . | EARTH SYSTEM SCIENCE DATA 16 . 2 (2024) : 1107-1119 .
APA Lonborg, Christian , Carreira, Catia , Abril, Gwenael , Agusti, Susana , Amaral, Valentina , Andersson, Agneta et al. A global database of dissolved organic matter (DOM) concentration measurements in coastal waters (CoastDOM v1) . | EARTH SYSTEM SCIENCE DATA , 2024 , 16 (2) , 1107-1119 .
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Characterization of sediment organic matter in the outer Yangtze River Estuary using stable isotopes, optical techniques, and FT-ICR-MS: Implications for the carbon burial mechanism EI
期刊论文 | 2024 , 267 | Water Research
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The burial of sediment organic matter (SOM) in the estuary and shelf plays an important role in the global carbon cycle. However, it is challenging to determine the source, composition, and burial of SOM in the coastal sea, especially at the molecular level. This was explored in the coastal area outside the largest Yangtze River of China with multiple techniques including elemental and stable isotopic analysis, absorption spectroscopy, fluorescence excitation-emission matrices coupled with parallel factor analysis (EEMs-PARAFAC), and ultra-high resolution Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS). The end-member mixing analysis based on δ13C and δ15N showed a dominance of marine contribution (up to 70%) at most stations while the terrestrial contribution increased to >55% nearshore in summer at a high fluvial sediment flux. This was consistent with the offshore decreasing humic-like C1 and C2, humification index (HIX), %lignin-like compounds, and %CHO but increasing tryptophan-like C3, biological index (BIX), %protein-like compounds, and %CHOS from EEMs-PARAFAC and FT-ICR-MS analysis. The %clay correlated positively with SOM content, HIX, %lignin-like compounds, O/C, and modified aromaticity index (AImod) but correlated negatively with %C3, H/C, and the relative abundance of labile formulas (MLBL), while %silt showed contrasting correlations. These results indicated the fine clay sediments adsorbed more humified, aromatic, oxygenated, and terrestrial compounds that were probably more resistant to biodegradation and thus had a higher burial efficiency than those on the silty sediments. Principal component analysis based on SOM indices further revealed different characteristics of SOM in the nearshore, northern offshore, and southern offshore regions, which were probably dependent on the delivery by local current systems. Overall, these findings contributed to unraveling the source and molecular composition of SOM associated with different grain size sediments and local current delivery, which are fundamental for understanding the factors underlying carbon burial in the complex coastal environment. © 2024 Elsevier Ltd

Keyword :

Aromatization Aromatization Atomic emission spectroscopy Atomic emission spectroscopy Biological materials preservation Biological materials preservation Chlorine compounds Chlorine compounds Electron cyclotron resonance Electron cyclotron resonance Ethanol Ethanol Explosives detection Explosives detection Fourier transform infrared spectroscopy Fourier transform infrared spectroscopy Inductively coupled plasma mass spectrometry Inductively coupled plasma mass spectrometry Synthetic resins Synthetic resins

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GB/T 7714 Zhang, Wenyi , Wang, Yufan , Fang, Futao et al. Characterization of sediment organic matter in the outer Yangtze River Estuary using stable isotopes, optical techniques, and FT-ICR-MS: Implications for the carbon burial mechanism [J]. | Water Research , 2024 , 267 .
MLA Zhang, Wenyi et al. "Characterization of sediment organic matter in the outer Yangtze River Estuary using stable isotopes, optical techniques, and FT-ICR-MS: Implications for the carbon burial mechanism" . | Water Research 267 (2024) .
APA Zhang, Wenyi , Wang, Yufan , Fang, Futao , Zhuang, Wan-E , Yang, Liyang , Zhu, Zhuoyi . Characterization of sediment organic matter in the outer Yangtze River Estuary using stable isotopes, optical techniques, and FT-ICR-MS: Implications for the carbon burial mechanism . | Water Research , 2024 , 267 .
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Tracking the changes of dissolved organic matter throughout the city water supply system with optical indices SCIE
期刊论文 | 2024 , 358 | JOURNAL OF ENVIRONMENTAL MANAGEMENT
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Dissolved organic matter (DOM) is important in determining the drinking water treatment and the supplied water quality. However, a comprehensive DOM study for the whole water supply system is lacking and the potential effects of secondary water supply are largely unknown. This was studied using dissolved organic carbon (DOC), absorption spectroscopy, and fluorescence excitation -emission matrices -parallel factor analysis (EEMPARAFAC). Four fluorescent components were identified, including humic-like C1-C2, tryptophan-like C3, and tyrosine -like C4. In the drinking water treatment plants, the advanced treatment using ozone and biological activated carbon (O3-BAC) was more effective in removing DOC than the conventional process, with the removals of C1 and C3 improved by 17.7%-25.1% and 19.2%-27.0%. The absorption coefficient and C1-C4 correlated significantly with DOC in water treatments, suggesting that absorption and fluorescence could effectively track the changes in bulk DOM. DOM generally remained stable in each drinking water distribution system, suggesting the importance of the treated water quality in determining that of the corresponding network. The optical indices changed notably between distribution networks of different treatment plants, which enabled the identification of changing water sources. A comparison of DOM in the direct and secondary water supplies suggested limited impacts of secondary water supply, although the changes in organic carbon and absorption indices were detected in some locations. These results have implications for better understanding the changes of DOM in the whole water supply system to help ensure the supplied water quality.

Keyword :

Dissolved organic matter Dissolved organic matter Drinking water treatment Drinking water treatment Fluorescence excitation -emission matrices Fluorescence excitation -emission matrices Parallel factor analysis Parallel factor analysis Water supply system Water supply system

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GB/T 7714 Lin, Jinjin , Yang, Liyang , Zhuang, Wan-E et al. Tracking the changes of dissolved organic matter throughout the city water supply system with optical indices [J]. | JOURNAL OF ENVIRONMENTAL MANAGEMENT , 2024 , 358 .
MLA Lin, Jinjin et al. "Tracking the changes of dissolved organic matter throughout the city water supply system with optical indices" . | JOURNAL OF ENVIRONMENTAL MANAGEMENT 358 (2024) .
APA Lin, Jinjin , Yang, Liyang , Zhuang, Wan-E , Wang, Yue , Chen, Xiaochen , Niu, Jia . Tracking the changes of dissolved organic matter throughout the city water supply system with optical indices . | JOURNAL OF ENVIRONMENTAL MANAGEMENT , 2024 , 358 .
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Optical and molecular indices of dissolved organic matter for estimating biodegradability and resulting carbon dioxide production in inland waters: A review SCIE
期刊论文 | 2023 , 228 | WATER RESEARCH
WoS CC Cited Count: 30
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Biodegradable dissolved organic carbon (BDOC) constitutes the most labile fraction of dissolved organic matter (DOM), which also functions as a source of CO2 emissions from inland waters. However, no systematic review is available on DOM indicators of BDOC and CO2 production potential. Optical and molecular indices can be used to track small changes in DOM composition during biodegradation. In this review, we identified four different methods for measuring BDOC together with their strengths and limitations. In addition, we discuss the potential of using documented optical indices based on absorption and fluorescence spectroscopy and molecular indices based on Fourier transform ion cyclotron mass spectrometry as proxies for estimating BDOC and biodegradationinduced CO2 production based on previously reported relationships in the literature. Many absorbance- and fluorescence-based indices showed inconsistent relationships with BDOC depending on watershed characteristics, hydrology, and anthropogenic impacts. Nevertheless, several indices, including specific UV absorbance at 254 nm (SUVA254), humification index (HIX), and terrestrial humic-like fluorescent DOM (FDOM) components, tended to have negative relationships with BDOC in tropical and temperate watersheds under baseflow or drought periods. Protein-like FDOM exhibited the strongest correlation with BDOC in different systems, except during storms and flood events. Despite the limited number of studies, DOM molecular indices exhibited consistent relationships with BDOC, suggesting that the relative abundance of aliphatic formulas and the molecular lability index could act as reliable proxies. The DOM optical indices explain up to 96% and 78% variability in BDOC and CO2, respectively; nonetheless, there were limited studies on molecular indices, which explain up to 74% variability in BDOC. Based on literature survey, we recommend several sensitive indices such as SUVA254, HIX, and terrestrial humic- and protein-like FDOM, which could be useful indicators of BDOC and dissolved CO2 in inland water. Future research should incorporate a wider range of geographic regions with various land use, hydrology, and anthropogenic disturbances to develop system- or condition-specific DOM optical or molecular proxies for better prediction of BDOC and CO2 emissions.

Keyword :

Biodegradable dissolved organic carbon Biodegradable dissolved organic carbon CO 2 emissions CO 2 emissions Dissolved organic matter Dissolved organic matter Fluorescence Fluorescence FT-ICR-MS FT-ICR-MS

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GB/T 7714 Begum, Most Shirina , Park, Ji-Hyung , Yang, Liyang et al. Optical and molecular indices of dissolved organic matter for estimating biodegradability and resulting carbon dioxide production in inland waters: A review [J]. | WATER RESEARCH , 2023 , 228 .
MLA Begum, Most Shirina et al. "Optical and molecular indices of dissolved organic matter for estimating biodegradability and resulting carbon dioxide production in inland waters: A review" . | WATER RESEARCH 228 (2023) .
APA Begum, Most Shirina , Park, Ji-Hyung , Yang, Liyang , Shin, Kyung Hoon , Hur, Jin . Optical and molecular indices of dissolved organic matter for estimating biodegradability and resulting carbon dioxide production in inland waters: A review . | WATER RESEARCH , 2023 , 228 .
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Unveiling changes in the complexation of dissolved organic matter with Pb (II) by photochemical and microbial degradation using fluorescence EEMs-PARAFAC SCIE
期刊论文 | 2023 , 341 | ENVIRONMENTAL POLLUTION
WoS CC Cited Count: 3
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Dissolved organic matter (DOM) is very important in determining the speciation, behaviors, and risk of metal pollutants in aquatic ecosystems. Photochemical and microbial degradation are key processes in the cycling of DOM, yet their effects on the DOM-Pb(II) interaction remain largely unknown. This was studied by examining the complexation of river DOM with Pb(II) after degradation, using fluorescence quenching titration and excitationemission matrices-parallel factor analysis (EEMs-PARAFAC). Three humic-like and two protein-like components were identified, with strong removals of humic-like components and decreasing average molecular weight and humification degree of DOM by photo- and photo-microbial degradation. The changes in humic-like abundance and structure resulted in notable weakening of their interaction with Pb(II). The tryptophan-like C2 was also mainly removed by photo-degradation, while the tyrosine-like C3 could be either removed or accumulated. The Pb(II)-binding of protein-like components was generally weaker but was enhanced in some degradation groups, which might be related to the lowering competition from humic-like components. The binding parameters correlated significantly with the DOM indices, which were dominated by photo-degradation for humic-like components but by seasonal variations for the tyrosine-like component. These results have implications for understanding the key mechanisms underlying the variability of the DOM-metal interaction in aquatic environments.

Keyword :

Dissolved organic matter Dissolved organic matter EEMs-PARAFAC EEMs-PARAFAC Microbial degradation Microbial degradation Pb(II) Pb(II) Photo-degradation Photo-degradation

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GB/T 7714 Yang, Liyang , Chen, Linwei , Zhuang, Wan-E et al. Unveiling changes in the complexation of dissolved organic matter with Pb (II) by photochemical and microbial degradation using fluorescence EEMs-PARAFAC [J]. | ENVIRONMENTAL POLLUTION , 2023 , 341 .
MLA Yang, Liyang et al. "Unveiling changes in the complexation of dissolved organic matter with Pb (II) by photochemical and microbial degradation using fluorescence EEMs-PARAFAC" . | ENVIRONMENTAL POLLUTION 341 (2023) .
APA Yang, Liyang , Chen, Linwei , Zhuang, Wan-E , Zhu, Zhuoyi . Unveiling changes in the complexation of dissolved organic matter with Pb (II) by photochemical and microbial degradation using fluorescence EEMs-PARAFAC . | ENVIRONMENTAL POLLUTION , 2023 , 341 .
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Data-Driven Method With Numerical Model: A Combining Framework for Predicting Subtropical River Plumes SCIE
期刊论文 | 2022 , 127 (3) | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
WoS CC Cited Count: 3
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Numerical models are of fundamental usage for estuarine and coastal sciences. Although numerical simulations are widely applied, analyzing and improving them are often challenging tasks given their large volume and huge parameter space. In this study, a novel data-driven framework is introduced to study the Minjiang River Plume (MJRP). The framework combines Self-Organizing Map (SOM) clustering with a Hidden Markov Model (HMM). A three-dimensional Regional Ocean Model System for MJRP is first configurated with realistic atmospheric, oceanic, and riverine forcings. By applying SOM clustering to the modeled sea surface salinity (SSS) with similar to 2,000 2-day averaged records from 2010 to 2020, we identify six major patterns of MJRP. Each pattern exhibits distinct circulation and plume structures. These MJRP patterns contain not only seasonal signals, but also rich short-term variabilities driven by the riverine inputs and oceanic dynamics. Then, the SOM-HMM method was applied to predict the future of the hidden state (i.e., patterns of MJRP) from the observable states (wind and river runoff). With a hypothetic SSS product from a geostationary satellite as the ground truth, we show that the SOM-HMM method can predict MJRP patterns considerably high prediction accuracy and computational efficiency. Further, these patterns were translated back to SSS with high forecast skills. Combining a conventional numerical model with a data-driven method, this approach can be promisingly applied in the short-term marine forecast to support the utilization and management of other estuaries.

Keyword :

Hidden Markov Model Hidden Markov Model Minjiang River Plume Minjiang River Plume Regional Ocean Model System Regional Ocean Model System Self-Organizing Map Self-Organizing Map

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GB/T 7714 Lu, Wenfang , Wang, Jian , Jiang, Yuwu et al. Data-Driven Method With Numerical Model: A Combining Framework for Predicting Subtropical River Plumes [J]. | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS , 2022 , 127 (3) .
MLA Lu, Wenfang et al. "Data-Driven Method With Numerical Model: A Combining Framework for Predicting Subtropical River Plumes" . | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 127 . 3 (2022) .
APA Lu, Wenfang , Wang, Jian , Jiang, Yuwu , Chen, Zhaozhang , Wu, Wenting , Yang, Liyang et al. Data-Driven Method With Numerical Model: A Combining Framework for Predicting Subtropical River Plumes . | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS , 2022 , 127 (3) .
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Feasible synthesis of a novel and low-cost seawater-modified biochar and its potential application in phosphate removal/recovery from wastewater SCIE
期刊论文 | 2022 , 824 | SCIENCE OF THE TOTAL ENVIRONMENT
WoS CC Cited Count: 24
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In this study, a novel and low-cost seawater-modified biochar (SBC) was fabricated via the pyrolysis of fir woodwaste followed by co-precipitation modification using seawater as the Ca/Mg source. The co-precipitation pH was a vital factor during modification, and the optimal pH was 10.50 according to calculations using PHREEQC 2.5 and experiments. The characterizations indicated that Ca and Mg were loaded on the SBC as irregular CaCO3 and nanoflake-like Mg(OH)(2), respectively, with the latter dominating. The SBC exhibited a high maximumadsorption capacity of 181.07 mg/g for phosphate, calculated using the Langmuir model, excellent adsorption performance under acidic and neutral conditions (pH = 3.00-7.00), and remarkable selectivity against Cl-, NO3-, and SO42-. The presence of HCO3- promote d adsorption. The mechanisms behind phosphate adsorption involved electrostatic attraction, ligand exchange, precipitation, and inner-sphere complexation. Mg, rather than Ca, was served as the main adsorptive sites for phosphate. Additionally, the feasibility of treating real-world wastewater was tested in batch (using SBC powders) and fixed-bed column (using SBC granules) experiments. The results indicate that the SBC powders could reduce the phosphate concentration from 1.26 mg P/L to below 0.5 mg P/L at a low dose of 0.50 g/L, and the SBC granules exhibited a high removal efficiency with excellent recyclability; the capacity still remained at 78.92% of the initial capacity after five adsorption-desorption runs. Furthermore, the modification process almost did not increase the production cost of the SBC, which was estimated to be 0.41 $/kg. Our results demonstrate that seawater is a low-cost and efficient modifier for biochar modification, and the resultant SBC demonstrates great potential for treating actual phosphate-containing wastewater.

Keyword :

Adsorption Adsorption Biochar Biochar Modification Modification Phosphate removal Phosphate removal Seawater Seawater

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GB/T 7714 Zhang, Mingdong , He, Minzhen , Chen, Qinpeng et al. Feasible synthesis of a novel and low-cost seawater-modified biochar and its potential application in phosphate removal/recovery from wastewater [J]. | SCIENCE OF THE TOTAL ENVIRONMENT , 2022 , 824 .
MLA Zhang, Mingdong et al. "Feasible synthesis of a novel and low-cost seawater-modified biochar and its potential application in phosphate removal/recovery from wastewater" . | SCIENCE OF THE TOTAL ENVIRONMENT 824 (2022) .
APA Zhang, Mingdong , He, Minzhen , Chen, Qinpeng , Huang, Yaling , Zhang, Chaoyue , Yue, Chen et al. Feasible synthesis of a novel and low-cost seawater-modified biochar and its potential application in phosphate removal/recovery from wastewater . | SCIENCE OF THE TOTAL ENVIRONMENT , 2022 , 824 .
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人工湿地去除水产养殖尾水中氮磷的影响因素识别 CSCD PKU
期刊论文 | 2022 , 38 (07) , 925-932 | 生态与农村环境学报
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Abstract :

以水产养殖尾水中氮、磷为研究对象,基于4种流态3种类型人工湿地小试系统,探讨水力停留时间、草本盐生植物——海马齿、生物质炭、水流方式、季节和环境因子等因素对总磷、总氮和氨氮去除效果的影响。结果表明,水力停留时间为0~3 d时,水力停留时间越长,氮、磷去除效果越好,且出水电导率和pH逐渐增大;水力停留时间为3 d时,种植海马齿在一定程度上提高了总氮、总磷和氨氮去除率;在以沸石为主的系统中添加生物质炭,系统总氮和氨氮去除率显著提高,但出现磷析出现象;在4种流态中,上行垂直潜流人工湿地系统对氮、磷的去除效果最佳。电导率、溶解氧和pH均分别与总氮和总磷去除率呈显著正相关,且pH与氨氮去除率也呈显著正相...

Keyword :

人工湿地 人工湿地 养殖尾水 养殖尾水 氨氮 氨氮 氮磷 氮磷

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GB/T 7714 李飞翔 , 岳琛 , 张超月 et al. 人工湿地去除水产养殖尾水中氮磷的影响因素识别 [J]. | 生态与农村环境学报 , 2022 , 38 (07) : 925-932 .
MLA 李飞翔 et al. "人工湿地去除水产养殖尾水中氮磷的影响因素识别" . | 生态与农村环境学报 38 . 07 (2022) : 925-932 .
APA 李飞翔 , 岳琛 , 张超月 , 张瑞瑞 , 杨丽阳 , 穆景利 et al. 人工湿地去除水产养殖尾水中氮磷的影响因素识别 . | 生态与农村环境学报 , 2022 , 38 (07) , 925-932 .
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