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学者姓名：康得军
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Abstract ：
以东南丘陵山区典型深水水库对河口水库为研究对象,开展了1a的原位调研,在主要水域内采集原位柱状沉积物样品,分析了沉积物磷的含量、赋存形态、间隙水剖面特征以及沉积物-水界面交换通量的时空变化特征.结果表明:对河口水库表层沉积物总磷(TP)含量变化范围为(470.8～1012.3)mg/kg,平均值达到(688.4±186.48)mg/kg,呈现从上游至下游逐渐增加的趋势,下游坝前区域磷污染最为严重;沉积物中各形态磷含量大小顺序依次为:铝结合态磷(352.61mg/kg)>铁结合态磷(Fe-P)(98.10mg/kg)>闭蓄态磷(88.77mg/kg)>钙结合态磷(72.42mg/kg)>有机磷(33.38mg/kg)>可交换态磷(1.64mg/kg).全库沉积物总体表现为磷的释放源,其中,秋季释放风险最高,冬季大部分区域沉积物从磷释放的源转变为汇;全年平均静态释放通量和扩散通量分别为(0.81±2.34)mg/(m~2·d)和(2.15±3.47)mg/(m~2·d),2种方法所得全年磷释放量分别为1.92和3.67t,秋季释放量最大.铁结合态磷(Fe-P)的转化可能是控制沉积物-水界面磷源-汇转换的重要原因,由氧分层导致的沉积物厌氧及铁结合态磷(Fe-P)溶解释放将增加下层水体磷浓度,并在水体逆温后增加水柱总体磷浓度.在秋季大量磷释放之后,应更加关注随后的逆温对整个水体磷浓度的影响.
Keyword ：
内源磷负荷 内源磷负荷 对河口水库 对河口水库 沉积物-水界面 沉积物-水界面 深水水库 深水水库 磷通量 磷通量
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| GB/T 7714 | 谭立贤 , 康得军 , 刘成 et al. 丘陵山区水库沉积物-水界面磷源汇转换机制 [J]. | 中国环境科学 , 2024 , 44 (04) : 2137-2147 . |
| MLA | 谭立贤 et al. "丘陵山区水库沉积物-水界面磷源汇转换机制" . | 中国环境科学 44 . 04 (2024) : 2137-2147 . |
| APA | 谭立贤 , 康得军 , 刘成 , 朱利钊 , 申秋实 , 陈开宁 . 丘陵山区水库沉积物-水界面磷源汇转换机制 . | 中国环境科学 , 2024 , 44 (04) , 2137-2147 . |
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SWMM作为一种模拟降雨情况的软件，由于其模型参数在经验范围内选取的不确定性，随着模型不断地向前运行演绎，误差会持续累积，最终影响模型的模拟结果，而传统的参数率定方法则具有效率低、准确度差等缺点。为此，利用MATLAB软件调用SWMM的水力演算程序来完成两者的数据交互与集成，结合多元逐步回归法筛选出敏感性高的参数作为率定对象，进而通过数值实验的方式以敏感性分析结果为依据使用Bayes-MH机器学习算法实现SWMM参数的自动率定。对于不同的实测降雨场景，自动率定的结果均能够顺利输出，参数匹配度达95%以上，表明了该方法具备优秀的稳定性、自适应性与全范围寻参能力。
Keyword ：
MATLAB MATLAB Metropolis-Hastings算法 Metropolis-Hastings算法 参数自动率定 参数自动率定 机器学习理论 机器学习理论 雨洪管理模型(SWMM) 雨洪管理模型(SWMM)
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| GB/T 7714 | 康得军 , 赖李保壹 , 邱福杰 et al. 基于机器学习理论的SWMM参数自动率定方法 [J]. | 中国给水排水 , 2024 , 40 (05) : 122-129 . |
| MLA | 康得军 et al. "基于机器学习理论的SWMM参数自动率定方法" . | 中国给水排水 40 . 05 (2024) : 122-129 . |
| APA | 康得军 , 赖李保壹 , 邱福杰 , 温儒杰 , 吴端炜 , 赵颖 . 基于机器学习理论的SWMM参数自动率定方法 . | 中国给水排水 , 2024 , 40 (05) , 122-129 . |
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泉州南翼国家高新区作为一个刚成立不久的新区，水环境治理工作是其建设中必不可少的一部分内容。通过调查泉州南翼国家高新区水环境现况发现水体黑臭现象较多，水环境污染治理迫在眉睫。对水环境污染成因进行分析，发现原因主要有5个方面：城镇化进程的加剧、农业化学品的滥用、畜禽养殖废水的排放、工业园区的大规模增加和水生态系统的脆弱性。依据水污染的成因提出5条水污染治理策略，分别为：雨污管网的完善、污水处理厂的升级改造、减少水环境污染的治理方式、水生态修复与调水、共同参与防止水体污染。上述举措的实施将有利于推进泉州南翼国家高新区的水生态建设与可持续发展。
Keyword ：
国家高新区 国家高新区 城区水环境 城区水环境 水污染 水污染 环境治理 环境治理
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| GB/T 7714 | 郭锡坚 , 康得军 , 赵颖 . 泉州南翼国家高新区水环境污染治理 [J]. | 工业水处理 , 2024 , 44 (08) : 38-43 . |
| MLA | 郭锡坚 et al. "泉州南翼国家高新区水环境污染治理" . | 工业水处理 44 . 08 (2024) : 38-43 . |
| APA | 郭锡坚 , 康得军 , 赵颖 . 泉州南翼国家高新区水环境污染治理 . | 工业水处理 , 2024 , 44 (08) , 38-43 . |
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Antibiotics in hospital wastewater has become a critical issue due to their potential risks to human health and ecosystems. Biochar as a cost-effective and environmental-friendly carbon material has been employed for removing antibiotics. This article gives a holistic view of the properties of advanced biochar-based materials and clarifies mechanisms on removal of specific antibiotics from hospital wastewater. The increased pyrolysis temperature prepares the modified biochar with higher porosity and larger specific surface for enhancing adsorption. The metal-modified biochar possesses abundant functional groups, limits the leaching of metal ions, and increases the conductivity for improving activation of advanced oxidation process (AOP). Adsorption is significantly affected by the pyrolysis temperature, solution pH, and properties of modified biochar and antibiotics. The metal-modified biochar-assisted AOP can effectively degrade the pollutants via generating more reactive oxygen species. Weak acidic and/or weak alkaline condition promotes the degradation process in persulfate and peroxymonosulfate systems or during electrochemical oxidation process. Antibiotics removal at a wide pH range (3−11) can be achieved using Fenton-like and photo-Fenton systems with the presence of metal-modified biochar. Future research should focus on development of novel biochar with high reusability and great capability in removing a broad range of specific antibiotics. © 2024 The Authors
Keyword ：
Alkalinity Alkalinity Antibiotics Antibiotics Biodegradation Biodegradation Catalytic cracking Catalytic cracking Degradation Degradation Electrochemical oxidation Electrochemical oxidation Reactive oxygen species Reactive oxygen species Reusability Reusability
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| GB/T 7714 | Xue, Haotian , Deng, Lijuan , Kang, Dejun et al. Advanced biochar-based materials for specific antibiotics removal from hospital wastewater via adsorption and oxidative degradation [J]. | Journal of Environmental Chemical Engineering , 2024 , 12 (6) . |
| MLA | Xue, Haotian et al. "Advanced biochar-based materials for specific antibiotics removal from hospital wastewater via adsorption and oxidative degradation" . | Journal of Environmental Chemical Engineering 12 . 6 (2024) . |
| APA | Xue, Haotian , Deng, Lijuan , Kang, Dejun , Zhao, Ying , Zhang, Xinbo , Liu, Ying et al. Advanced biochar-based materials for specific antibiotics removal from hospital wastewater via adsorption and oxidative degradation . | Journal of Environmental Chemical Engineering , 2024 , 12 (6) . |
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This study focused on Duihekou Reservoir, a typical deep-water reservoir located in the southeastern hilly and mountainous areas of China. A one-year field investigation was conducted to collect columnar sediment column samples from the main water bodies. Detailed analyses were conducted on the phosphorus concentrations, fractions, interstitial water profile characteristics, and spatiotemporal changes of fluxes across the sediment-water interface. The results showed that the average total phosphorus (TP) concentrations in the surficial sediment of the reservoir ranged from 470.8 to 1012.3mg/kg, with an average of 688.4 ± 186.48mg/kg. An increasing trend of TP concentrations was discovered from the upstream to downstream. The most severe phosphorus pollution was discovered around the dam. The phosphorus fractions followed a descending order of Al-P (352.61mg/kg) > Fe-P (98.10mg/kg) > Res-P (88.77mg/kg) > Ca-P (72.42mg/kg) > Org-P (33.38mg/kg) > Ex-P (1.64mg/kg). Overall, the sediment in the entire reservoir acted as a source of phosphorus to the water, with the highest risk of release in autumn and most of the sediment in winter presenting as a sink of phosphorus. The average static release flux and diffusion flux of phosphorus were (0.81±2.34) and (2.15±3.47) mg/(m2·d), respectively. The annual phosphorus release amounts obtained by the two methods were 1.92 and 3.67 tons respectively, with the highest release amount in autumn. The conversion of Fe-P might be an important factor controlling phosphorus release from the sediment. The anaerobic dissolution and release of Fe-P caused by oxygen stratification will increase the phosphorus concentration in the lower layer of the water column, which would subsequently increase the phosphorus concentration in the whole water column after thermal stratification. After a large amount of phosphorus is released in autumn, more attention should be paid to the phosphorus concentration in the water influenced by the subsequent thermal inversion. © 2024 Chinese Society for Environmental Sciences. All rights reserved.
Keyword ：
Aluminum compounds Aluminum compounds Calcium compounds Calcium compounds Iron compounds Iron compounds Phosphorus Phosphorus Reservoirs (water) Reservoirs (water) River pollution River pollution Rivers Rivers Surficial sediments Surficial sediments
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| GB/T 7714 | Tan, Li-Xian , Kang, De-Jun , Liu, Cheng et al. Mechanisms of phosphorus source-sink transformation across the sediment-water interface of a hilly and mountainous reservoir [J]. | China Environmental Science , 2024 , 44 (4) : 2137-2147 . |
| MLA | Tan, Li-Xian et al. "Mechanisms of phosphorus source-sink transformation across the sediment-water interface of a hilly and mountainous reservoir" . | China Environmental Science 44 . 4 (2024) : 2137-2147 . |
| APA | Tan, Li-Xian , Kang, De-Jun , Liu, Cheng , Zhu, Li-Zhao , Shen, Qiu-Shi , Chen, Kai-Ning . Mechanisms of phosphorus source-sink transformation across the sediment-water interface of a hilly and mountainous reservoir . | China Environmental Science , 2024 , 44 (4) , 2137-2147 . |
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采用亚硝酸盐作为还原剂,以间接测定亚硝酸盐含量的方式,建立了以气相分子吸收光谱法来快速定量测定水中高锰酸盐指数的方法.试验结果表明,标准曲线相关系数大于0.9995,该方法的检出限为0.066mg/L,检出范围为0.4～5.00mg/L,相对标准偏差为1.56％～1.67％.此外,本文还研究了气相分子吸收光谱法与国际法采用酸式或碱式消解不同水样的试验,进一步证明该法具有准确度高、精密度高和测定速度快的特点,适合分析大批量水样、样品消解和数据分析,可实现全自动化,提高工作效率.
Keyword ：
亚硝酸盐 亚硝酸盐 气相分子吸收光谱法 气相分子吸收光谱法 自动 自动 高锰酸盐指数 高锰酸盐指数
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| GB/T 7714 | 柯鹏振 , 刘雄 , 吴雅琴 et al. 自动气相分子吸收光谱法测定水体中高锰酸盐指数 [J]. | 当代化工研究 , 2023 , (2) : 68-71 . |
| MLA | 柯鹏振 et al. "自动气相分子吸收光谱法测定水体中高锰酸盐指数" . | 当代化工研究 2 (2023) : 68-71 . |
| APA | 柯鹏振 , 刘雄 , 吴雅琴 , 夏丽星 , 朱娟 , 康得军 . 自动气相分子吸收光谱法测定水体中高锰酸盐指数 . | 当代化工研究 , 2023 , (2) , 68-71 . |
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为了解决SWMM模型中城市内涝积水无法多维显示的问题，提出了一种基于地理信息系统GIS空间分析的城市内涝4D可视化方法。以福建省某城市片区为例，对研究区域排水管网进行概化，构建了该片区的SWMM水力模型，并采用实测降雨进行模拟对比分析。基于GIS空间分析对模拟积水结果进行4D可视化，研究得到的不同降雨历时下城市内涝淹没范围与实际调研结果基本相符，表明提出的城市内涝4D可视化方法具有良好的实用性。该方法将GIS空间分析工具和空间制图相结合，实现了暴雨情景下城市内涝区域的直观多维表达。
Keyword ：
4D可视化 4D可视化 SWMM SWMM 地理信息系统(GIS) 地理信息系统(GIS) 城市内涝 城市内涝
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| GB/T 7714 | 康得军 , 温儒杰 , 邱福杰 et al. 基于SWMM和GIS的城市内涝4D可视化研究 [J]. | 中国给水排水 , 2023 , 39 (13) : 133-138 . |
| MLA | 康得军 et al. "基于SWMM和GIS的城市内涝4D可视化研究" . | 中国给水排水 39 . 13 (2023) : 133-138 . |
| APA | 康得军 , 温儒杰 , 邱福杰 , 赖李保壹 , 吴端炜 , 赵颖 . 基于SWMM和GIS的城市内涝4D可视化研究 . | 中国给水排水 , 2023 , 39 (13) , 133-138 . |
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Extensive studies have been carried out on phosphate removal by zero valent iron (ZVI). Different mechanisms of phosphate removal by ZVI such as phosphate adsorption and precipitation of ferric phosphate and vivianite (Fe3(PO4)2.8H2O) have been reported. In this study, attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), X-ray powder diffraction (XRD), and X-ray absorption near edge spectroscopy (XANES) were used to elucidate the mechanisms of phosphate removal by micron-scale zero-valent (mZVI). Time-series ATR-FTIR analysis revealed that phosphate was removed by ZVI in two steps: a) adsorption of phosphate in the first 3 days, and b) slow conversion of the adsorbed phosphate into the precipitated form in 6 days. XRD and XANES analysis determined that iron oxides, ferric ion, and ZVI with oxide layer inhibited the formation of vivianite, resulting in the formation of phosphate precipitates, such as H2Fe(II)P2O7. The results suggested that phosphate is removed by ZVI mainly through precipitation under aerobic conditions. The knowledge gained in this study improves the fundamental understanding of the phosphate removal processes via ZVI.
Keyword ：
Adsorption Adsorption Phosphate Phosphate Precipitation Precipitation Vivianite Vivianite Zero valent iron Zero valent iron
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| GB/T 7714 | Zhao, Ying , Li, Qingxu , Shi, Qiantao et al. Mechanisms of phosphate removal by Micron-Scale Zero-Valent iron [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2023 , 319 . |
| MLA | Zhao, Ying et al. "Mechanisms of phosphate removal by Micron-Scale Zero-Valent iron" . | SEPARATION AND PURIFICATION TECHNOLOGY 319 (2023) . |
| APA | Zhao, Ying , Li, Qingxu , Shi, Qiantao , Xi, Beidou , Zhang, Xinyi , Jian, Zhiqiang et al. Mechanisms of phosphate removal by Micron-Scale Zero-Valent iron . | SEPARATION AND PURIFICATION TECHNOLOGY , 2023 , 319 . |
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针对SWMM模型LID（低影响开发）参数的敏感性编程分析及其取值对模拟的影响，编写了MATLAB、Visual Basic.NET代码，选用修正的Morris筛选法与多元逐步回归法，分析了福州大学晋江科教园SWMM模型透水铺装、绿色屋顶、生物滞留带29个经验参数的敏感性。结果表明，对径流总量与COD总量显著敏感的是LID利用模块参数：处理不渗透面积百分比，其是LID模拟关键参数；透水铺装参数对径流总量的敏感性与降雨强度呈负相关，绿色屋顶、生物滞留带参数对径流总量的敏感性与降雨强度呈正相关，3种LID设施参数对COD总量的敏感性较为稳定，表明LID控制模块参数对不同目标变量呈现不同的敏感性；多元逐步回归法的敏感性参数多于修正的Morris筛选法，前者能全面探究参数与目标变量的线性关系以及参数相互作用对结果的影响。
Keyword ：
LID(低影响开发)参数 LID(低影响开发)参数 MATLAB MATLAB SWMM SWMM 敏感性分析 敏感性分析
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| GB/T 7714 | 康得军 , 邱福杰 , 温儒杰 et al. 基于SWMM的LID参数局部与全局敏感性分析 [J]. | 中国给水排水 , 2023 , 39 (17) : 131-138 . |
| MLA | 康得军 et al. "基于SWMM的LID参数局部与全局敏感性分析" . | 中国给水排水 39 . 17 (2023) : 131-138 . |
| APA | 康得军 , 邱福杰 , 温儒杰 , 吴端炜 , 赖李保壹 , 赵颖 . 基于SWMM的LID参数局部与全局敏感性分析 . | 中国给水排水 , 2023 , 39 (17) , 131-138 . |
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为探究天然煤矸石在雨水浸泡淋滤作用下重金属元素的释放规律及特征,通过扫描电镜(SEM)对天然煤矸石进行表征以观察其淋滤前后的微观形貌,借助X射线衍射(XRD)技术测定煤矸石淋滤前后的矿物成分组成及变化情况.结合模拟降水连续静态浸泡与动态淋滤试验,考察在不同固液比、粒径、pH、土壤介质条件下煤矸石中重金属元素的释放规律与特性.结果表明:①淋滤后的煤矸石表面凹凸结构较多,淋滤前后煤矸石中各矿物相含量差异较小.②As、Mn的浸出浓度均较高,最大释放率大小表现为As>Cd>Cu≈Ni>Mn>Cr>Zn>Pb.As的累积释放对周边土壤环境以及地下水产生不利影响的风险较高.③连续动态淋滤试验在pH为3时,Mn、Cu、Zn、Ni的累积释放量明显较高,As、Cr在中性条件下的累积释放量高于在酸性条件下.引入土壤介质这一因素后,Cr、As的累积释放量均明显减少,这两种重金属元素均呈现出在土壤中积累的状态.研究显示:对于相同煤矸石堆存量,降雨量越大,重金属的释放总量越高,固液比为1:20时,As释放量最高可达2.822μg/L;Cr、As呈现出在土壤中积累的状态,煤矸石淋滤后Cr、As对土壤存在潜在污染风险,同时也需考虑其对周边地下水的影响.
Keyword ：
影响因素 影响因素 淋滤 淋滤 煤矸石 煤矸石 释放规律 释放规律 重金属元素 重金属元素
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| GB/T 7714 | 康得军 , 张芳 , 吕茳芏 et al. 浸泡淋滤作用下煤矸石重金属元素的释放规律及特征研究 [J]. | 环境科学研究 , 2023 , 36 (1) : 54-62 . |
| MLA | 康得军 et al. "浸泡淋滤作用下煤矸石重金属元素的释放规律及特征研究" . | 环境科学研究 36 . 1 (2023) : 54-62 . |
| APA | 康得军 , 张芳 , 吕茳芏 , 龚亚萍 , 赵颖 , 脱向银 . 浸泡淋滤作用下煤矸石重金属元素的释放规律及特征研究 . | 环境科学研究 , 2023 , 36 (1) , 54-62 . |
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