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| 1 | Characterization of refuse landfill leachates of three different stages in landfill stabilization process显示文摘Landfill leachates with different ages(mature leachate,11 years;semi-mature leachate,5 years;fresh leachate,under operation) were collected from Laogang Refuse Landfill,Shanghai to characterize the colloid size distribution and variations of leachate.These leachates were separated using micro-filtration and ultra-filtration into specific size fractions,i.e.,suspended particles(SP)(>1.2μm) ,coarse colloids(CC)(1.2-0.45μm) ,fine colloids(FC)(0.45μm,5 kDa/1 kDa molecular weight(MW) ) ,and dissolved organic matters(DM,<5 kDa/1 kDa MW) .The specific colloids in each size fraction were quantified and characterized through chemical oxygen demands(COD) ,total solid(TS) ,pH,NH4+-N,total organic carbon(TOC) and fixed solid(FS) .It was found that COD,NH4+-N and TS in leachate decreased significantly over ages,while pH increased.The dissolved fractions(<5 kDa/1 kDa) dominated(over 50%) in three leachates in terms of COD,and the organic matter content in dissolved fraction of leachates decreased and the inorganic matter increased as the disposal time extended,with the TOC/COD ratio 30%-7%.Dissolved fractions decreased from 82%to 40%in terms of TOC as the disposal time extended,suggested that the organic matter remained in leachate would form into middle molecular weight substances during the degradation process. | LOU Ziyang DONG Bin CHAI Xiaoli SONG Yu ZHAO Youcai ZHU Nanwen | 2009 | Journal of Environmental Sciences2009，21，9： | 9 |
| 2 | Effect of bio-column composed of aged refuse on methane abatement-A novel configuration of biological oxidation in refuse landfill显示文摘An experimental bio-column composed of aged refuse was installed around the exhaust pipe as a new way to mitigate methane in refuse landfill.One of the objectives of this work was to assess the effect of aged refuse thickness in bio-column on reducing CH 4 emissions.Over the study period,methane oxidation was observed at various thicknesses,5 cm (small size),10 cm (middle size) and 15 cm (large size),representing one to three times of pipeline diameters.The middle and large size both showed over 90% methane conversion,and the highest methane conversion rate of above 95% occurred in the middle-size column cell.Michaelis-Menten equation addressed the methanotrophs diffusion in different layers of the bio-columns.Maximum methanotrophic activity (V max) measured at the three thicknesses ranged from 6.4 × 10 3 to 15.6 × 10 3 units,and the half-saturation value (K M) ranged from 0.85% to 1.67%.Both the highest V max and K M were observed at the middle-size of the bio-column,as well as the largest methanotrophs population,suggesting a significant efficiency of methane mitigation happened in the optimum zone with greatest affinity and methanotrophic bacteria activities.Therefore,bio-column is a potential style for methane abatement in landfill,and the aged refuse both naturally formed and artificially placed in the column plays a critical role in CH 4 emission. | Dan Han Youcai Zhao Binjie Xue Xiaoli Chai | 2010 | Journal of Environmental Sciences2010，22，5： | 4 |
| 3 | Greenhouse gas emission and its potential mitigation process from the waste sector in a large-scale exhibition显示文摘As one of the largest human activities, World Expo is an important source of anthropogenic Greenhouse Gas emission(GHG), and the GHG emission and other environmental impacts of the Expo Shanghai 2010, where around 59,397 tons of waste was generated during 184 Expo running days, were assessed by life cycle assessment(LCA). Two scenarios, i.e., the actual and expected figures of the waste sector, were assessed and compared, and 124.01 kg CO2-equivalent(CO2-eq.), 4.43 kg SO2-eq., 4.88 kg NO-3-eq., and 3509 m3 water per ton tourist waste were found to be released in terms of global warming(GW), acidification(AC),nutrient enrichment(NE) and spoiled groundwater resources(SGWR), respectively. The total GHG emission was around 3499 ton CO2-eq. from the waste sector in Expo Park, among which 86.47% was generated during the waste landfilling at the rate of 107.24 kg CO2-eq.,and CH4, CO and other hydrocarbons(HC) were the main contributors. If the waste sorting process had been implemented according to the plan scenario, around 497 ton CO2-eq.savings could have been attained. Unlike municipal solid waste, with more organic matter content, an incineration plant is more suitable for tourist waste disposal due to its high heating value, from the GHG reduction perspective. | Ziyang Lou Bernd Bilitewski Nanwen Zhu Xiaoli Chai Bing Li Youcai Zhao Peter Otieno | 2015 | Journal of Environmental Sciences2015，27，5： | 3 |
| 4 | Enhanced dewaterability of sewage sludge in the presence of Fe(II)-activated persulfate oxidation显示文摘 | Guangyin Zhen Xueqin Lu Youcai Zhao Xiaoli Chai Dongjie Niu | 2012 | Bioresource Technology2012，，： | 2 |
| 5 | Abiotic association of phthalic acid esters with humic acid of a sludge landfill显示文摘在酞酸酸酉旨(PAE ) 和在污泥垃圾堆的腐殖的物质(HS ) 之间的不能生活的协会在 PAE 的命运和稳定性起一个重要作用。平衡分离与结合了 < 啜 class= “ a-plus-plus ” > 14 标记 C 被用来与腐殖的酸学习二丰富的 PAE (diethyl phthalate 和 di-n-butyl phthalate ) 的不能生活的协会(哈) 与不同稳定时间和不同分子的重量从污泥垃圾堆孤立。元素的分析和 Fourier 转变建议的红外线的分光光度计(FTIR ) 那高 K < 潜水艇 class= “ a-plus-plus ” > 价值哈与高芳香的内容和大分子的重量有关哈。结果显示 PAE 与的协会力量哈两个都取决于 PAE 的性质和特征哈。K < 潜水艇 class= “ a-plus-plus ” > 协会的 A 值强烈依赖于解决方案 pH,并且当 pH 从 3.0 ~ 9.0 被增加,戏剧性地减少了。结果建议了那 nonspecific 在 PAE 之间的恐水病的相互作用并且哈是到 PAE 与的协会的主要贡献者哈。在 HA 和 PAE 分子之间的交互氢契约可以也涉及协会。 | Xiaoli CHAI Yongxia HAO Xin ZHAO Guixiang LIU Ying ZHU Rong JI Jun WU Huanhuan TONG Youcai ZHAO | 2012 | Frontiers of Environmental Science & Engineering2012，6，6： | 2 |
| 6 | Spectroscopic studies of the progress of humification processes in humic substances extracted from refuse in a landfill 显示文摘 | Chai Xiaoli Shimaoka Takayuki Cao Xiaoyan | 2007 | Chemosphere2007，69，9： | 1 |
| 7 | Adsorption of phenolic compound by aged-refuse显示文摘 | Chai Xiaoli Zhao Youcai | 2006 | Journal of Hazardous Materials2006，137，1： | 1 |
| 8 | Emission characteristics and air–surface exchange of gaseous mercury at the largest active landfill in Asia显示文摘 | Wei Zhu Zhonggen Li Xiaoli Chai Yongxia Hao Che-Jen Lin Jonas Sommar Xinbin Feng | 2013 | Atmospheric Environment2013，，： | 1 |
| 9 | Combination of combustion with pyrolysis for studying the stabilization process of sludge in landfill显示文摘 | ZHU Ying CHAI Xiaoli LI Hongjiang | 2007 | Thermoehimica Acta2007，464，12： | 1 |
| 10 | Characterization of chlorine and heavy metals for the potential recycling of bottom ash from municipal solid waste incinerators as cement additives显示文摘 | Boran WU Dongyang WANG Xiaoli CHAI Fumitake TAKAHASHI Takayuki SHIMAOKA | 2016 | Frontiers of Environmental Science & Engineering2016，10，4： | 1 |
| 11 | Spectroscopic studies of the effect of aerobic conditions on the chemical characteristics of humic acid in landfill leachate and its implication for the environment显示文摘 | CHAI Xiaoli HAO Yongxia LIU Guixiang | 2013 | Chemosphere2013，91，7： | 1 |
| 12 | Characterization of humic and fulvic acids extracted from landfill by elemental composition, 13C CP/MAS NMR and TMAH-Py-GC/ MS显示文摘 | CHAI Xiaoli SHIMAOKA T GUO Qiang | 2008 | Waste Management2008，28，5： | 1 |
| 13 | Spectroscopic studies of the progress of humification processes in humic substances extracted from refuse in a landfill 显示文摘 | CHAI Xiaoli TAKAYUKI S CAO Xiaoyan | 2007 | Chemosphere2007，69，9： | 1 |
| 14 | Immunomodulatory and anticancer activities of phenolics from emblica fruit ( Phyllanthus emblica L.)显示文摘 | Xiaoli Liu Mouming Zhao Kegang Wu Xianghua Chai Hongpeng Yu Zhihua Tao Jinshui Wang | 2011 | Food Chemistry2011，，2： | 1 |
| 15 | Spectroscopic Studies of the Progress of Humifieation Processes in Humie Substances Extracted from Refuse in a Landfill显示文摘 | Chai Xiaoli Shimaoka Takayuki Xiaoyan Cao | 2007 | Chemosphere2007，69，9： | 1 |
| 16 | Vortex motion-based particle swarm optimisation for energy consumption of alumina evaporation显示文摘 | Zhu Hongqiu Chai Qinqin Yang Chunhua Wang Xiaoli | 2012 | The Canadian Journal of Chemical Engineering2012，90，6： | 1 |
| 17 | 显示文摘 | Chai Xiaoli Guo Qiang Zhao Youcai | 2007 | Acta Scientiae Circumstantia2007，27，2： | 1 |
| 18 | Synergetic pretreatment of waste activated sludge by Fe(II)–activated persulfate oxidation under mild temperature for enhanced dewaterability显示文摘 | Guangyin Zhen Xueqin Lu Baoying Wang Youcai Zhao Xiaoli Chai Dongjie Niu Aihua Zhao Yuyou Li Yu Song Xianyan Cao | 2012 | Bioresource Technology2012，，： | 1 |
| 19 | Characterization of Humic and Fulvic Acids Extracted from Landfill by Elemental Composition,13c Cp/Mas Nmr and Tmah-Py-Gc/Ms显示文摘 | Xiaoli Chai Takayuki Shimaoka Guo Qiang | 2008 | waste management2008，28，5： | 1 |
| 20 | Solid phase extraction of trace Hg(II) on silica gel modified with 2-(2-oxoethyl) hydrazine carbothioamide and determination by ICP-AES显示文摘 | CHAI Xiaoli CHANG Xijun HUA Zheng | 2010 | Ta- lanta2010，82，： | 1 |
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