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Study on adsorption of lead and cadmium by non-burning ceramic granules from waterworks residual sludge

IOP Conference Series: Earth and Environmental Science 2020年第1期601卷

作者： Haiyun Tang Yuanyuan Zhao Yaoyu Li Danni Liu Yuehui Chen Youze Xu Hunan Research Academy of Environmental Science Hunan Province Key Laboratory of Water Pollution Control Technology Changsha Hunan 410004 China College of Environment and Resources Xiangtan University Xiangtan 411105 China

In this experiment, the unburned ceramiste water treatment residuals (UCWTR) was prepared by the burning-free method to study its adsorption performance on Pb and Cd. Adsorption experiments show that the quality of ceramsite improved with the height of the filler layer in the reaction column, and its penetration and depletion time are prolonged. On the contrary, the driving force of mass transfer increases with the initial concentration of water in the reaction column, and the penetration and exhaustion time is shortened. The dynamic adsorption process of Pb and Cd by UCWTR is more consistent with the Thomas model and Yoon-Nelson model, and the correlation coefficient R2 is greater than 0.9. Under the condition that the initial flow rate v is 10 mL/min, the height of the packing layer h is 10 cm, and the initial concentration C0 is 150 mg/g, the fitted dynamic saturated adsorption capacities of UCWTR for lead and cadmium are 9.22 mg/g, 11.52 mg/g, the static adsorption capacity of lead and cadmium are 1.48 times and 155 times respectively. kT decreases as the height of the filler layer and the initial concentration increase; kYN decreases as the height of the filler layer increases, and increases as the initial concentration increases; the time t required to penetrate 50% of the adsorbent increases with the height of the filler layer and decreases with the increase of the initial concentration, which indicated that the solution did not reach full contact with UCWTR during the dynamic adsorption process.

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Study on the Effects of Nitrogen and Phosphorus Absorptionby Ecological Ditches

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Agricultural Science & technology 2019年第5期20卷 32-39页

作者： YANG Yong TIAN Chang XIE Gui-xian ZHANG Yu-ping SONG Hai-xing RONG Xiang-min College of Resources and Environmental Hunan Agricultural UniversityCollaborative Innovation Center of Paddy Grop and Oil Crops in SouthernNational Engineering Laboratory of Soil and Fertilizer Resources Efficient UtilizationHunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources UseHunan Provincial Key Laboratory of Plant Nutrition in Common UniversityChangsha 410128PRC

By using the simulated ditch experiment,the differences of nitrogen and phosphorus absorption capacities of 9 aquatic plants were studied,and the better varieties of nitrogen and phosphorus absorption capacity were selected to construct the ecological ditch and oxidation pond to study the nitrogen and phosphorus absorption *** results showed that the nitrogen and phosphorus residues in the simulated ditch water were signi ficantly reduced after planting aquatic *** biomass of Canna glauca,Myriophyllum elatinoides,Sorbaria sorbifolia,Pontederia cordata and Zizania was high,and the uptakes of nitrogen and phosphorus were *** them,the effect of planting Canna glauca and Myriophyllum elatinoides was the *** concentration of nitrogen and phosphorus in farmland drainage decreased signi ficantly after being absorbed by aquatic plants in ecological ditches;the concentration of total nitrogen,soluble nitrogen and total phosphorus in main ditches decreased by 39.6%,40.1% and 36.9% respectively on average;the concentration of total nitrogen,soluble nitrogen and total phosphorus in branch ditches decreased by 6.6%,10.3% and 13.6% on *** concentration of total nitrogen and total phosphorus in the oxidation pond could be further reduced by 17.7%and 13.3%.Ecological ditches can effectively intercept nitrogen and phosphorus in water,and have good ecological benefits of purifying water to obtain improved water quality.

关键词： Aquatic plants Ecological interception Ecological ditches

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Career Maturity of Female College Students, A Case Study of University of South China

Career Maturity of Female College Students, A Case Study of ...

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2018 4th International Conference on Innovative Development of E-commerce and Logistics(ICIDEL 2018)

作者： Lishan Rong Lv Yijin Jiaquan Zhou Baoping Liu Hunan Provincial Key Laboratory of Pollution Control and Resources Technology University of South China School of Management University of South China

Career is very important to women and scholars usually use "career maturity" to measure personal career development. The individual strengths and weaknesses can be found through measuring the career maturity and we could improve our professional capacity in carrying out more effective self-career planning and management in this way. Through the establishment and apply of female career maturity model, we give a empirical analysis on the career maturity of female college students.

关键词： Career maturity Female college students Application analysis

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2020 Roadmap on gas-involved photo-and electro-catalysis

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Chinese Chemical Letters 2019年第12期30卷 2089-2109页

作者： Yulu Yang Yang Tang Haomin Jiang Yongmei Chen Pingyu Wan Maohong Fan Rongrong Zhang Sana Ullah Lun Pan Ji-Jun Zou Mengmeng Lao Wenping Sun Chao Yang Gengfeng Zheng Qiling Peng Ting Wang Yonglan Luo Xuping Sun Alexander S.Konev Oleg V.Levin Panagiotis Lianos Zhuofeng Hu Zhurui Shen Qinglan Zhao Ying Wang Nadia Todorova Christos Trapalis Matthew V.Sheridan Haipeng Wang Ling Zhang Songmei Sun Wenzhong Wang Jianmin Ma School of Physics and Electronics Hunan UniversityChangsha 410082China College of Chemistry Beijing University of Chemical TechnologyBeijing 100029China School of Civil and Environmental Engineering Georgia Institute of TechnologyAtlantaGA 30332United States College of Engineering and Applied Sciences and School of Energy ResourcesUniversity of WyomingLaramieWY 82071United States Key Laboratory for Green Chemical Technology of the Ministry of Education School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300072China Collaborative Innovative Center of Chemical Science and Engineering(Tianjin) Tianjin 300072China Institute for Superconducting and Electronic Materials Australian Institute for Innovative MaterialsUniversity of WollongongNSW 2522Australia Laboratory of Advanced Materials Department of ChemistryFudan UniversityShanghai 200438China Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 610054China Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province College of Chemistry and Chemical EngineeringChina West Normal UniversityNanchong 637002China Institute of Chemistry St.Petersburg State University7/9 Universitetskaya emb.St.Petersburg 199034Russian Federation Department of Chemical Engineering University of PatrasPatras 26500Greece School of Environmental Science and Engineering Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation TechnologySun Yat-sen UniversityGuangzhou 510275China School of Materials Science and Engineering Nankai UniversityTianjin 300350China Department of Chemistry Chinese University of Hong KongHong KongChina Institute of Nanoscience and Nanotechnology NCSR"Demokritos"Athens 15341Greece State Key Laboratory of School of Radiation Medicine and Protection and School for Radiological and interdisciplinary Sciences(RAD-X) Soochow UniversitySuzhou 215123China State Key Laboratory of High Performance Ceramics and Superf

Green reactions not only provide us chemical products without any pollution,but also offer us the viable technology to realize difficult tasks in normal ***-,photoelectro-,and electrocatalytic reactions are indeed powerful tools to help us to embrace bright ***,some gas-involved reactions are extremely useful to change our life environments from energy systems to liquid fuels and cost-effective products,such as H2 evolution(H2 production),02 evolution/reduction,CO2 reduction,N2 reduction(or N2 fixation) *** can provide fuel cells clean H2 for electric vehicles from H2 evolution reaction(HER),at the same time,we also need highly efficient 02 reduction reaction(ORR) in fuel cells for improving the reaction ***,we can get the clean oxidant O2 from water through O2 evolution reaction(OER),and carry out some reactions without posing any pollution to reaction ***,we can translate the greenhouse gas CO2 into useful liquid fuels through CO2 reduction reaction(CRR).Last but not the least,we can get ammonia from N2 reduction reaction(NRR),which can decrease energy input compared to the traditional Hubble *** reactions,such as HER,ORR,OER,CRR and NRR could be realized through solar-,photoelectro-and electro-assisted *** them,the catalysts used play crucial roles in determining the efficiency and kinds of products,so we should consider the efficiency of ***,the cost,synthetic methods of catalysts should also be ***,significant progress has been achieved,however,many challenges still exist,reaction systems,catalysts underlying mechanisms,and so *** extremely active fields,we should pay attention to *** the background,it has motivated us to contribute with a roadmap on ’GasInvolved Photo-and Electro-Catalysis’.

关键词： H2 evolution reaction O2 reduction reaction O2 evolution reaction CO2 reduction reaction N2 reduction reaction Electrocatalysis Photocatalysis Photoelectrocatalysis

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Long-term manure and mineral fertilisation drive distinct pathways of soil organic nitrogen decomposition: Insights from a 180-year-old study

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Soil Biology and Biochemistry 2025年 207卷

作者： Pan, Wankun Tang, Sheng Zhou, Jingjie Wanek, Wolfgang Gregory, Andrew S. Ge, Tida Marsden, Karina A. Chadwick, David R. Liang, Yongchao Wu, Lianghuan Ma, Qingxu Jones, Davey L. Ministry of Education Key Lab of Environmental Remediation and Ecosystem Health College of Environmental and Resource Sciences Zhejiang University Hangzhou310058 China State Key Laboratory of Soil Pollution Control and Safety Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment College of Environmental and Resource Sciences Zhejiang University Hangzhou310058 China School of Environmental and Natural Sciences Bangor University GwyneddLL57 2UW United Kingdom Innovation Center for Saline-alkali Land Comprehensive Utilization China National Rice Research Institute Hangzhou310006 China Division of Terrestrial Ecosystem Research Department of Microbiology and Ecosystem Science Center of Microbiology and Environmental Systems Science University of Vienna Djerassiplatz 1 ViennaA-1030 Austria Protecting Crops and the Environment Rothamsted Research Harpenden HertfordshireAL5 2JQ United Kingdom State Key Laboratory for Quality and Safety of Agro-Products International Science and Technology Cooperation Base for the Regulation of Soil Biological Functions and One Health of Zhejiang Province Ningbo University Ningbo315211 China

Soil organic nitrogen (SON) decomposition is a fundamental process in the nitrogen (N) cycle that influences N availability for plant uptake and soil health. However, the long-term effects of nutrient fertilisation on SON decomposition and its microbial drivers remain poorly understood. Here, we used the 180-year-old Broadbalk Winter Wheat Experiment to investigate how farmyard manure (FYM), mineral fertiliser (NPK), and no fertilisation input (NIL) affect crop yield, SON turnover, microbial community composition, and functional genes. Our findings showed that distinct and complementary microbial mechanisms regulate SON decomposition under different nutrient fertilisation treatments. FYM application increased gross N mineralisation to 43.1 mg N kg−1 soil d−1, by doubling microbial biomass and promoting bacterial-dominated protein and peptide decomposition. During the early stage of decomposition, CO2 release from protein and peptide turnover under FYM increased by 96 % and 44 %, respectively, compared to NIL. NPK fertilisation enhanced the decomposition of complex N compounds and promoted the turnover of high-molecular-weight N to support microbial growth by upregulating N-cycling genes and extracellular enzyme production. The carbon use efficiency of protein was increased to 0.68. NPK fertilisation also stimulated fungal and Actinobacteria populations, accelerating the turnover rate of peptides and amino acids to 22.7 and 2.4 mg N kg−1 soil d−1, respectively. These results provide new insights into how nutrient fertilisation practices affect microbialy-mediated N dynamics and crop productivity, emphasising the importance of microbial functional diversity in supporting soil N cycling and fertility. © 2025 Elsevier Ltd

关键词： Manures

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Behaviour of full grouted rock bolts subjected to repeated dynamic loading 3rd

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3rd International Conference on Rock Dynamics and Applications, ROCDYN-3 2018

作者： Wu, Q. Zhao, F. Zhou, Z.H. Li, Y. Zhang, S.P. Work Safety Key Lab on Prevention and Control of Gas and Roof Disasters for Southern Coal Mines Hunan Provincial Key Laboratory of Safe Mining Techniques of Coal Mines Hunan University of Science and Technology XiangtanHunan China School of Resources Environment and Safety Engineering Hunan University of Science and Technology XiangtanHunan China School of Mechatronic Engineering Hunan University of Science and Technology XiangtanHunan China

ISBN: (纸本)9780815396673

In order to investigate the effect of repeated dynamic loads on mechanical properties of the rock bolts. Based on the Split Hopkinson Pressure Bar (SHPB) system, a new device was introduced to study the effect of the dynamic load on rock bolts, including its layout and principle. The slippage of the rock bolt and the propagation of semi-sine stress waves in the bolt were investigated. The damage mechanisms of rock bolts under the dynamic loading were discussed briefly. The test results indicate that the failure of rock bolt is closely associated with the dynamic load. The anchorage zone has been damaged owing to the effect of the first dynamic load, and this damaged zone is further extended from the second dynamic load and rock squeezing, etc.), and it will be unable to resist the deformation of the surrounding rock. © 2018 Taylor & Francis Group, London.

关键词： Bolts

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The efficiency of arbuscular mycorrhizal fungi to the repair capacity of lolium perenne on the uranium contamination soil

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Paper Asia 2018年第Compendium3期2018卷 74-78页

作者： Rong, Lishan Wu, Qiongfang Liu, Jinxiang Li, Shiyou Xie, Shuibo Liang, Yu Hunan Provincial Key Laboratory of Pollution Control and Resources Technology University of South China Hengyang421001 China Institute of Botany Chinese Academy of Sciences Beijing100093 China

Arbuscular mycorrhizal fungi (AMF) are symbiotic partner of plants and are important for survival and growth of plants under stresses. Three AMF species were inoculated to Lolium Perenne L. and plant performances in uranium contaminated and uncontaminated soils. The results show that (1) AMF inoculation improved the uranium resistance of Lolium Perenne, and increased photosynthetic pigments and soluble protein content and decreased MDA content were found in AMF inoculation treatments. (2) Antioxidant system enzyme activity in vivo Lolium Perenne also increased. (3) Uranium accumulation characteristics varied in three AMF inoculation treatments, indicating that different mechanisms of AMF species may be involved in response to uranium stress.

关键词： Uranium

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Oral administration of dibutyryl adenosine cyclophosphate improved growth performance in weaning piglets by enhancing lipid fatty acids metabolism

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Animal Nutrition 2018年第3期4卷 260-264页

作者： Guanya Li Ling Chang Guanglei Zhang Zehe Song Dan Wan Chunyan Xie Hong Wang Zhiyong Fan Hunan Co-Innovation Center of Safety Animal Production College of Animal Science and Technology and College of Bioscience and Biotechnology Hunan Agricultural University Key Laboratory of Agro-Ecological Processes in Subtropical Region Institute of Subtropical Agriculture The Chinese Academy of Sciences National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production Meiya Hai'an Pharmaceutical Co. Ltd.

Dibutyryl adenosine cyclophosphate(dbc AMP-Ca), an analog of cyclic adenosine monophosphate(c AMP), plays greater roles in regulating physiological activities and energy metabolism than c AMP. The aim of this study was to investigate the effect of oral administration of dbc AMP-Ca on growth performance and fatty acids metabolism in weaning piglets. A total of 14 early weaning piglets(7 ± 1 d of age,3.31 ± 0.09 kg, Landrace ? Large White ? Duroc) were randomly divided into 2 groups: control group and dbc AMP-Ca group, and the piglets received 7 m L of 0.9% Na Cl or 1.5 mg dbc AMP-Ca dissolved in 7 m L of 0.9% Na Cl per day for 10 d, respectively. The results showed that the average daily gain(ADG)increased by 109.17%(P < 0.05) in the dbc AMP-Ca group compared with the control group. Besides,dbc AMP-Ca significantly decreased blood high density lipoprotein cholesterol(HDLC) concentration(P < 0.05) and significantly increased blood low density lipoprotein cholesterol(LDLC) concentration(P < 0.05) compared with the control group. Further, liver C18:2 n6 t content significantly increased in dbc AMP-Ca group(P < 0.05) compared with the control group. With the increase of C18:2 n6 t content,the m RNA expression levels of peroxisome proliferator-activated receptor a(PPARa) and hormone sensitive glycerol three lipase(HSL), of which genes are related to lipid metabolism, were also significantly increased(P < 0.05 or P < 0.01). All of the results indicated that dbc AMP-Ca improved the ADG, which was probably done by regulating fatty acids metabolism in the liver of weaning piglets.

关键词： Dibutyryl adenosine cyclophosphate Growth performance Lipid metabolism Peroxisome proliferator-activated receptor α Hormone sensitive glycerol three lipase Early weaning piglets

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Author Correction: Enhancing rice production sustainability and resilience via reactivating small water bodies for irrigation and drainage

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Nature communications 2023年第1期14卷 4529页

作者： Sisi Li Yanhua Zhuang Hongbin Liu Zhen Wang Fulin Zhang Mingquan Lv Limei Zhai Xianpeng Fan Shiwei Niu Jingrui Chen Changxu Xu Na Wang Shuhe Ruan Wangzheng Shen Menghan Mi Shengjun Wu Yun Du Liang Zhang Hubei Provincial Engineering Research Center of Non-Point Source Pollution Control Innovation Academy for Precision Measurement Science and Technology Chinese Academy of Sciences Wuhan 430077 PR China. Key Laboratory for Environment and Disaster Monitoring and Evaluation of Hubei Wuhan 430077 PR China. University of Chinese Academy of Sciences Beijing 100049 PR China. Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing 100081 PR China. State Environmental Protection Key Laboratory of Soil Health and Green Remediation Huazhong Agricultural University Wuhan 430070 PR China. Interdisciplinary Research Center for Territorial Spatial Governance and Green Development Huazhong Agricultural University Wuhan 430070 PR China. Institute of Plant Protection Soil and Fertilizer Sciences Hubei Academy of Agricultural Sciences Wuhan 430064 PR China. Chongqing Institute of Green and Intelligent Technology Chinese Academy of Sciences Chongqing 400714 PR China. Liaoning Academy of Agricultural Sciences Shenyang 110161 PR China. Institute of Soil & Fertilizer and Resources & Environment Jiangxi Academy of Agricultural Sciences Nanchang 330200 PR China. Hubei Provincial Engineering Research Center of Non-Point Source Pollution Control Innovation Academy for Precision Measurement Science and Technology Chinese Academy of Sciences Wuhan 430077 PR China. lzhang@***. Key Laboratory for Environment and Disaster Monitoring and Evaluation of Hubei Wuhan 430077 PR China. lzhang@***. University of Chinese Academy of Sciences Beijing 100049 PR China. lzhang@***.

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Ni-doped MIL-53(Fe) nanoparticles for optimized doxycycline removal by using response surface methodology from aqueous solution

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Chemosphere 2019年 232卷 186-194页

作者： Weiping Xiong Zhuotong Zeng Xin Li Guangming Zeng Rong Xiao Zhaohui Yang Haiyin Xu Hongbo Chen Jiao Cao Chengyun Zhou Lei Qin College of Environmental Science and Engineering Hunan University and Key Laboratory of Environmental Biology and Pollution Control Ministry of Education Hunan University Changsha 410082 China. Department of Dermatology Second Xiangya Hospital Central South University Changsha 410011 Hunan PR China. College of Environmental Science and Engineering Hunan University and Key Laboratory of Environmental Biology and Pollution Control Ministry of Education Hunan University Changsha 410082 China. Electronic address: zgming@***. Department of Dermatology Second Xiangya Hospital Central South University Changsha 410011 Hunan PR China. Electronic address: xiaorong65@***. College of Environmental Science and Engineering Central South University of Forestry and Technology Changsha 410004 China. College of Environment and Resources Xiangtan University Xiangtan 411105 China.

This study proposes a facile one-pot solvothermal method to prepare Ni-doped MIL-53(Fe) nanoparticles as high-performance adsorbents for doxycycline removal. The morphology and structure of the samples were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, fourier transform infrared spectrum and thermogravimetric analysis. These results reveal that nickel was doped into MIL-53(Fe) successfully via a facile reaction, and the obtained Ni-doped MIL-53(Fe) nanoparticles showed excellent stability. The adsorption activities were evaluated in terms of the removal efficiencies of doxycycline (DOX) in aqueous solution. According to the response surface quadratic model (RSM), the optimal adsorption conditions were concentration of DOX 100 mg/L, temperature 35 °C, ionic strength 5 g/L and pH 7. The as-synthesized Ni-doped MIL-53(Fe) nanoparticles showed better adsorption capacity of 397.22 mg/g compared with other adsorbents. The investigation of adsorption mechanism demonstrated that the adsorption process was dominated by electrostatic and π-π stacking interactions. The Ni-doped MIL-53(Fe) nanoparticles with improved adsorption activities would have a great potential in DOX removal from aqueous environment.

关键词： Adsorption Doxycycline antibiotic Ni-doped MIL-53(Fe) nanoparticles One-step solvothermal synthesis Response surface quadratic model (RSM)

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