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检索条件"任意字段=江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会"

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The knowledge and attitude of indoor air quality for the salon workers in Taiwan

The knowledge and attitude of indoor air quality for the sal...

引用

江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者： Meifang Liu Wangkun Chen

This study aimed to investigate the knowledge and attitude of indoor air quality for the salon workers in *** instrument was used for measuring salon worker's attitudes toward indoor air *** questionnaire was distributed to the current workers in Taipei city to gather the representative sample.A comparative test was performed for the graduate students in the *** overall mean values of knowledge and attitudes for workers were 4.86 and 4.55, and 5.267 and 5.106 for university students respectively *** results reveal that university students were significantly more knowledgeable than salon ***, newspaper and magazine were the chief source of knowledge and friends and family are the lowest.

关键词： indoor air pollution salon worker knowledge and attitude indoor air quality

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缺氧条件下吡啶的生物强化降解:NO3-作为电子受体的重要作用

缺氧条件下吡啶的生物强化降解:NO3-作为电子受体的重要作用

引用

江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者：陈燕华琮歆张帅吴施婧刘晓东沈锦优孙秀云李健生王连军江苏省化工污染控制与资源化高校重点实验室南京理工大学环境与生物工程学院南京210094

吡啶及其衍生物作为最重要的一类氮杂环化合物(NHC)，由于在煤的气化、油页岩的干馏、杀虫剂的使用以及其他染料、爆炸物、药物等的制造过程中产生，广泛存在于环境中。吡啶及其衍生物可能导致心率加快、增加心脏病和中风的几率、造成... 详细信息

吡啶及其衍生物作为最重要的一类氮杂环化合物(NHC)，由于在煤的气化、油页岩的干馏、杀虫剂的使用以及其他染料、爆炸物、药物等的制造过程中产生，广泛存在于环境中。吡啶及其衍生物可能导致心率加快、增加心脏病和中风的几率、造成血压的升高，甚至会引起致畸和致癌效应其存在给环境带来了严重的健康危害。因此，研究人员致力于开发有效和经济上可行的方法处理吡啶废水。生物处理法环境友好、成本低廉，是处理含吡啶废水的首选的方法。通过分批实验和连续流实验阐述了氮杂环化合物吡啶在缺氧条件下的生物强化降解.分批实验的结果表明,吡啶可在缺氧或厌氧条件下矿化,并伴随着氨的释放.然而在缺氧条件下,吡啶降解显著增强,可能由于电子受体(硝酸盐氮)的存在.吡啶降解的最佳pH值7.5-8.0,高浓度的吡啶或硝酸盐氮对吡啶的缺氧降解有抑制作用.连续流实验采用厌氧折流板-移动床生物膜反应器(ABR-MBBR)耦合工艺,运行一年调查了吡啶的生物降解效果和硝化性能.在ABR中吡啶降解释放的NH4+进入MBBR中发生硝化反应,生成的NO3-回流至ABR中作为电子受体参与吡啶的缺氧降解.当回流比从0增加到400％,ABR中吡啶的缺氧生物降解明显改善,可能由于在高回流比条件下硝态氮的可用性增高、对生物的毒性降低.此外,高通量测序分析表明Paracoccus、Thiobacillus和Paludibacter是吡啶缺氧降解系统的优势菌种.

关键词：吡啶废水缺氧条件生物强化降解硝酸根离子电子受体

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Experimental study on the solubilization effect of cyclodextrin for pyrene

Experimental study on the solubilization effect of cyclodext...

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江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者： Keqiang Ding Tingfeng Liu Feng Yang Guang Guo Lihong Wang Yiqing Yang Environmental Engineering Department of Nanjing Institute of Technology 211167 Nanjing PR China

Cyclodextrins (CDs) possess a hydrophilic exterior and a hydrophobic cavity which enable CDs to inclusion many guest molecules by size-fit effect and hydrophobic interaction, especially to enhance polycyclic aromatic hydrocarbons (PAHs) ***, the solubilization effect of β-cyclodextrins for Pyrene was *** factors such as β-cyclodextrin concentrations and temperature were also *** results showed that, there is a linear relationship between the concentrations of β-cyclodextrin and solubilization efficiency of soil pyrene, since the inclusion compound increases the solubility of pyrene *** optimal temperature for the solubilization experiment is 30℃.While high temperature does not necessarily promote the inclusion *** reaction is exothermic and enthalpy is the main driving force.

关键词： β-cyclodextrin Pyrene Inclusion compound Solubilization effect soil remediation

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α-蒎烯臭氧化反应机理及其二次有机气溶胶效应的研究与进展

α-蒎烯臭氧化反应机理及其二次有机气溶胶效应的研究与进展

引用

江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者：袁成王体健马嫣南京大学大气科学学院南京信息工程大学江苏省大气环境监测与污染控制高技术研究重点实验室南京大学大气科学学院南京信息工程大学江苏省大气环境监测与污染控制高技术研究重点实验室

二次有机气溶胶(Secondary Organic Aerosols,SOA)是大气中一些挥发性有机物(Volatile Organic Compounds,VOCs)或半挥发性有机物(Semi-Volatile Organic Compounds,SVOCs)经大气氧化和气/粒分配等过程形成的颗粒物。气相条件下的烯烃臭氧化反应是多种自由基以及二次有机气溶胶的重要来源,而大分子烯烃化合物臭氧化产物相较于一般可挥发性有机物可更好地促使SOA的形成和增长。萜烯类物质排放量大、反应活性高、形成SOA能力强,其中α-蒎烯是自然界排放量最高的萜烯类化合物,因此近年来其臭氧化反应备受人们关注。在实验中,我们使用基于声悬浮(Acoustic Levitation)技术的实验方法对于α-蒎烯的臭氧化机理进行了研究。并且使用实验室大型烟雾箱模拟了在接近实际大气条件下各种自由基清除剂以及湿度对臭氧化产物的云凝结核活化效应的影响。声悬浮技术避免了传统大气化学实验中的壁损失影响,而大型烟雾箱的应用则有利于更好的模拟实际大气中的化学反应条件。实验结果显示,不同直径的α-蒎烯液滴的臭氧化速率有着明显的差异,综合核磁共振(NMR)的分析结果,α-蒎烯的双键发生断裂,反应生成的SOA产物主要为多官能团物质,例如马鞭草烯酮(verbenone)等。烟雾箱模拟结果显示,α-蒎烯的臭氧化产物活性过程受到乙酸,丁醇等自由基清除剂的影响较小,但是当体系中加入二氧化硫时,成核活性明显增强。未来,将会结合气象色谱等离线分析手段对在超声环境下的反应机理进行深入研究,并还将使用更多的大气中自由基清除剂进行烟雾箱模拟的研究。

关键词： α-蒎烯二次有机气溶胶声悬浮烟雾箱实验云凝结核活性

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长三角地区冬季霾天气溶胶中水溶性离子的区域分布特征

长三角地区冬季霾天气溶胶中水溶性离子的区域分布特征

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江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者：王曼婷朱彬王红磊薛国强何俊徐宏辉曹锦飞南京信息工程大学中国气象局气溶胶与云降水重点开放实验室 210044

为研究长三角地区霾天水溶性离子的区域污染特征,使用安德森9级碰撞采样器和离子色谱仪对2013年1月18-24日南京、苏州、杭州、临安、宁波五个城市的大气颗粒物质量浓度及其水溶性离子进行了观测分析,并结合天气形势分析了长三角地区大... 详细信息

为研究长三角地区霾天水溶性离子的区域污染特征,使用安德森9级碰撞采样器和离子色谱仪对2013年1月18-24日南京、苏州、杭州、临安、宁波五个城市的大气颗粒物质量浓度及其水溶性离子进行了观测分析,并结合天气形势分析了长三角地区大范围灰霾天气的形成原因及水溶性离子的分布特征.结果表明：观测期间长三角地区处于高压以及高压前部,低层大气有气流辐散时有利于污染物扩散;处于高压前部或弱高压天气形势下,并伴随有大气层底部气流辐合现象时不利于污染物扩散,易造成灰霾天气,导致长三角地区区域性大气颗粒物污染.霾天气主要由大气细颗粒物增加引起,并且水溶性离子作为大气细颗粒物的重要成分对霾天的形成和发展有重大贡献,霾天发展过程中二次离子有一个从"凝结模态"向"液滴模态"发展的趋势,在观测期间霾天气形成过程中长三角地区出现区域性大气颗粒物污染.灰霾天气过程中细颗粒物质量浓度及其中的总水溶性离子(TWSS)浓度显著增加,细颗粒物中水溶性离子增加比重分别为杭州0.9％、临安4.2％、南京8.1％.二次无机离子SNA对霾天气的形成作用显著,霾天离子中浓度上升较快的是NH4+、SO42-和NO3-,各监测点其上升百分比分别是杭州3％、临安55％、南京64.9％.SO42-在SNA中所占比例较大,污染天气后比例达到45％左右,NO3-/SO42-的比值都大于固定源NO3-/SO42-(0.5)的比值,因此可以看出在区域污染过程中,流动源对颗粒物的贡献相对较大.

关键词：长三角地区灰霾水溶性离子粒径分布

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A primary study of the health risk for air pollutant in hair salon

A primary study of the health risk for air pollutant in hair...

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江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者： Meifang Liu Chimei Chou Department of Environment and Property Management

The risks of indoor air quality (IAQ) for building occupants has become a complex challenging issue for facility managers and urban building's *** research has defined pollutant source with causal links to building material and human behavior, but rare discussion about IAQ on the hair salon health *** salon works in a closed environment is often exposed for more than 10 hours daily, and how much health hazard factors are exist there? After field-testing for a hair salon, IAQ concentration data was obtained as following: ***2:concentration average 1,674ppm, it is 1.67times the standard limit ***: concentration average 11.36ppm,it is 1.67times the standard limit data.3.O3: concentration average 0.147ppm, it is 2.45times the standard limit ***: concentration average 4.54ppm, it is 7.57times the standard limit ***: concentration average 1,674ppm,I t is 1.67times the standard limit ***, the occupational risks of IAQ are worthy to develop for improving the safety of hair salon workplace.

关键词： hair salon indoor air quality health risk assessment

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The 3D white graphene foams supported silver catalysts for deep oxidation of methanol

The 3D white graphene foams supported silver catalysts for d...

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江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者： Huijie Zhao Xiufeng Song Haibo Zeng State Key Laboratory of Mechanics and Control of Mechanical Structures & College of Materials Scienc Institute of Optoelectronics & Nanomaterials College of Materials Science and Engineering Nanjing State Key Laboratory of Mechanics and Control of Mechanical Structures & College of Materials Scienc

In this paper, we use the ammonia borane (AB) as raw materials, thiourea as vesicant to synthesize the three-dimensional boron nitride foam by one-step, template-free, high-temperature thermal decomposition *** property of high surface area, appropriate pore size distribution, high yield, low apparent density,large lamellar structure, thin lamellar thickness, which make it a possible candidate for catalyst *** we use the ultraviolet irradiation method to prepare the Ag/3D BN catalyst, which exhibits good catalyst performance in catalytic oxidation of volatile organic compounds (methanol), such as the high catalytic activity with the light-off temperature (T50) as low as 50℃, the temperature of T95 only 110℃, the high thermal stability with reactivity maintained dozens of hours without significant change, which shows obvious advantages than Ag/γ-Al2O3 ***, this 3D BN product shows great potentials applications in the field of catalysts for environmental governance and purification.

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An Analysis of Performance for Applying R290 and R290/R170 to a Dual-temperature Refrigeration System

An Analysis of Performance for Applying R290 and R290/R170 t...

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江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者： Mingwei Lin Chingsong Jwo Hungpin Jwo Shanghuang Chiu Sihli Chen Department of Energy and Refrigerating Air Conditioning Engineering National Taipei University of T Department of Mechanical Engineering National Taipei University

The study investigates the effectiveness of substituting R404A refrigerant with the more environmentally friendly hydrocarbon refrigerants R290 and Minus50 (R290/R170) in a commercial dual-temperature refrigerating and freezing storage unit.A series of discussions and analyses were performed using varying quantities of refrigerant fillings and with various system *** expansive valves and a concentric tube-based supercooling heat exchanger were used in the dual-temperature refrigeration system to compare performance when the system had no load, a 150 W fixed load, and a dynamic load of 18 kg of *** discrepancies between the results for cooling efficiency, consumption power, system work input, and coefficients of performance (COP) and actual measurement data were *** results indicated that the cooling rate of the hydrocarbon refrigerants R290 and Minus50 were superior to R404A, regardless of whether the system was operating with or without a load, and that the power consumptions were approximately 11% and 28% lower, respectively, than that of the R404A;the specific volume of the R404A was approximately 33% that of the hydrocarbon refrigerants R290 and ***, the R404A had the least compressor work input among the three *** study calculated that the energy factor (EF;i.e., the refrigerator performance benchmark) of the unit was 3.52 when using the R404A, 4.04 using R290, and 4.76 using Minus50.

关键词： R290 hydrocarbon refrigerant energy factor (EF) dual-temperature refrigeration system

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Aerosol optical properties during firework, biomass burning and dust episodes over Beijing

Aerosol optical properties during firework, biomass burning ...

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江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者： Xingna Yu Jia Ma Na Kang Key Laboratory of Meteorological Disaster of Ministry of Education Nanjing University of Informatio Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration Nanjing Unive Key Laboratory of Meteorological Disaster of Ministry of Education Nanjing University of Informatio

In order to characterize the aerosol optical properties during different pollution episodes that occurred in Beijing, the aerosol loading, scattering, and size distributions are presented using solar and sky radiance measurements from 2001 to 2010 in this paper.A much higher aerosol loading than the background level was observed during the pollution *** average aerosol optical depth (AOD) is largest during dust episodes coupled with the lowest (A)ngstr(o)m exponent (α), while higher AOD and lower α were more correlated with firework and biomass burning *** total mean AOD at 440, 675,870 and 1020 nm were 0.24, 0.49, 0.64 and 1.38 in the clean, firework display, biomass burning and dust days, *** mean α for dust days was 0.51 and exceeded 1.1 for the remaining *** size distribution of the dusty periods was dominated by the coarse mode, but the coarse mode was similar magnitude to the fine mode during the firework and biomass burning *** volume concentration of the coarse mode during the dust days increased by a magnitude of more than 2~8 times that derived in the other three aerosol conditions, suggesting that dust is the major contributor of coarse mode particles in *** single scattering albedo (SSA) values also increased during the pollution *** overall mean SSA at the four wavelengths were 0.865, 0.911, 0.922 and 0.931 in clean,firework display, biomass burning, and dust days in Beijing, ***, in the blue spectral range, the dust aerosols exhibited pronounced absorption.

关键词： aerosol dust biomass burning firework display optical property

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Source apportionment, contribution to photochemical ozone formation and control policy of VOCs in Nanjing Northern Suburb

Source apportionment, contribution to photochemical ozone fo...

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江苏省颗粒学会2014年学术年会暨江苏省化工环保技术2014研讨会

作者： Ping Shao Junlin An Xu Lin Bin Zhu Yuesi Wang Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration Collaborative Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration Collaborative State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC) Institu

Since volatile organic compounds (VOCs) are important precursors of ozone (O3), identification and quantification of their emission sources are prerequisite for the formulation and implementation of O3 pollution control *** this study, source apportionment via Positive Matrix Factorization (PMF) was carried out on the VOC data continuously sampled at a site in Nanjing Northern Suburb, and five major sources of VOCs were *** of VOCs to photochemical O3 formation were evaluated by the application a detailed chemical mechanism model (NCAR MM).The chemical mechanism model calculation showed that different VOC species had very different contributions to the high ozone concentrations, and the analysis suggested that the alkene was a main contributor for the O3 chemical production in Nanjing Northern *** analysis implied that future increase in alkenes emissions could lead to significant increase in O3 concentrations in Nanjing Northern *** on the outcomes of the PMF source apportionment, a sensitivity analysis on the basis of relative O3 reduction efficiency (RORE), under different source removal regimes such as using the reduction of VOCs from 10% to 90% as input, was conducted and results indicated that the O3 reduction was the most effective when the identified VOC sources were cut by specific *** study provides valuable insights into the formulation and implementation of VOCs and O3 control strategies in Nanjing Northern Suburb, using a combined field measurements and modeling approach.

关键词： Volatile Organic Compounds (VOC) Positive Matrix Factorization (PMF) Ozone (O3) Control policy of VOCs

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