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Retraction Notice: Using Fenton Oxidation Method to Advanced Treatment of LandfillLeachate 撤回通知:采用Fenton氧化法深度处理垃圾渗滤液
Pub Date : 2016-12-31 DOI: 10.2174/1874123101610010110
Gao Yanjiao, Huang Runzhu, Song Tiehong
Hydrogen peroxide and ferrous sulfate were used to advanced treatment of landfill leachate effluent from biochemical tanks. Some influences on removing COD and chroma including the pH value of solution, the dosage of ferrous sulfate, the dosage of hydrogen peroxide and reaction time were investigated. The test results showed that for removal of COD and chroma the optimal pH was 3.0, the best ferrous sulfate and hydrogen peroxide dosage was 1500mg/L, 20mL/L respectively, and the optimal reaction time was 60min. Under optimal conditions, COD and chroma removal rate could reach 79.7% and 95.2% respectively.
采用双氧水和硫酸亚铁对生化池垃圾渗滤液进行深度处理。考察了溶液pH值、硫酸亚铁投加量、双氧水投加量和反应时间对COD和色度去除率的影响。试验结果表明,去除COD和色度的最佳pH为3.0,硫酸亚铁和双氧水的最佳投加量分别为1500mg/L、20mL/L,最佳反应时间为60min。在最佳条件下,COD去除率可达79.7%,色度去除率可达95.2%。
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引用次数: 0
Retraction Notice: Study of Water-rock Interaction with Hydrochemical and Isotopic Datumin Laizhou Bay 撤回公告:莱州湾水-岩相互作用与水化学同位素数据的研究
Pub Date : 2016-12-30 DOI: 10.2174/1874123101610010113
Liu Feng, Ma Fengshan, Guo Jie, Ding-Yuan Kuo
Water-rock interaction of the groundwater in aquifer system has been analyzed and inferred with hydrochemical and isotopic datum in Laizhou Bay, eastern China. 32 samples of groundwater from three boreholes (96-5#, 96-6#, 1121#), couples of seawater, saline water, fresh water, surface water and rainfall are obtained in study area for hydrochemical and isotopic analyses. The origin of groundwater is generally concluded by stable isotope (δO and δD) and the analytic results of Na, Ca, Mg, Cl, SO4, HCO3 changing with depth, combined with total dissolved solids (TDS), electrical conductivity (EC), can be apparently proofs for serious water-rock interaction. The conclusion reveals that the origin of 96-5#, 112-1# is most likely saline water different from that the groundwater of 96-6# which is possible originated from fresh water, surface water or mixing of both. Compared the ion content of same borehole at different depth and different boreholes with same depth, the optimal area for building main well and mining area is determined eventually is around 96-5#.
利用水化学和同位素资料,对莱州湾含水层系统中地下水的水岩相互作用进行了分析和推断。在研究区获得了3个钻孔(96-5#、96-6#、1121#)32个地下水样品,海水、咸水、淡水、地表水和降雨对地下水进行了水化学和同位素分析。地下水的来源一般由稳定同位素(δO和δD)推断,Na、Ca、Mg、Cl、SO4、HCO3随深度变化的分析结果,结合总溶解固形物(TDS)、电导率(EC),可以明显证明水岩相互作用严重。结果表明,96-5#、112-1#的地下水来源可能是咸水,96-6#的地下水来源可能是淡水、地表水或两者混合。通过对同一井眼不同深度和不同井眼相同深度的离子含量进行比较,最终确定主井和矿区的最佳建井面积为96-5#左右。
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引用次数: 0
Retraction Notice: The Research of the Mineralogical and Element Geochemical Characteristicsof Bauxite in Yunfeng, Qingzhen, in Central Guizhou Province, China 撤回公告:贵州中部清镇云峰铝土矿矿物学及元素地球化学特征研究
Pub Date : 2016-12-30 DOI: 10.2174/1874123101610010112
Yang Wu, Dai Tagen, Long Yongzhen
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引用次数: 0
Retraction Notice: MOEA/D with Adaptive IWO for Synthesizing Phase-Only ReconfigurableLinear Arrays 撤回通知:MOEA/D与自适应IWO合成纯相位可重构线性阵列
Pub Date : 2016-12-30 DOI: 10.2174/1874123101610010111
Yanyan Tan, Shengtao Li, Xiaonan Fang
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引用次数: 0
Intensifying the Fermentation of Aspergillus oryzae in a Stirred Bioreactor Using Maxblend Impeller 利用Maxblend叶轮强化米曲霉在搅拌生物反应器中的发酵
Pub Date : 2016-10-28 DOI: 10.2174/1874123101610010088
Narges Ghobadi, C. Ogino, N. Ohmura
RESEARCH ARTICLE Intensifying the Fermentation of Aspergillus oryzae in a Stirred Bioreactor Using Maxblend Impeller Narges Ghobadi, Chiaki Ogino and Naoto Ohmura Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University 1-1 Rokkodaicho, Nada-ku, Kobe 657-8501, Japan Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, Rokkodaicho, Nada-ku, Kobe 657-8501, Japan
Narges Ghobadi, Chiaki Ogino和Naoto Ohmura在搅拌生物反应器中强化米曲霉发酵的研究论文Narges Ghobadi, Chiaki Ogino和Naoto Ohmura化学科学与工程系,神户大学工程研究生院1-1,神户那田区六kodai町,神户657-8501,日本
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引用次数: 4
Mass and Heat Transfer at Different Heat Exchange Surfaces and Their Suitability for Use in Thermal Desalination Plants 不同换热表面的传质传热及其在海水淡化厂中的适用性
Pub Date : 2016-06-03 DOI: 10.2174/1874123101610010074
T. Schwarzer, H. Bart
Abstract: A new concept for small scale multi-stage distillation (MSD) desalination plants is presented allowing an installation in remote rural areal due to low maintenance, operating and investment costs. It is based on extensive studies on heat and mass transfer using 6 different condensation / heat transfer surfaces or material combinations. Basically all 6 condensation surfaces except glass are of a sheet metal or an expanded metal (to the evaporation side) in combination to an acidand heat-resistant foil (on the salt water side). The basic experiments were performed in a "lab scale" unit to determine their thermodynamic and structural characteristics and user-friendliness. After validation in a prototype novel oxidic condensation surfaces (AF) and material combinations are in actual use in the new MSD systems, following the requirements, including a good wetting and condensation behavior and a good heat transfer.
摘要:提出了一种小型多级蒸馏(MSD)海水淡化装置的新概念,由于其维护、运行和投资成本低,可以在偏远农村地区安装。它基于对6种不同的冷凝/传热表面或材料组合的传热和传质的广泛研究。基本上,除了玻璃外,所有6个冷凝表面都是由金属板或膨胀金属(在蒸发方面)与耐酸和耐热箔(在盐水方面)结合而成的。基本实验在“实验室规模”单元进行,以确定其热力学和结构特性以及用户友好性。在原型验证后,新的氧化冷凝表面(AF)和材料组合在新的MSD系统中实际使用,符合要求,包括良好的润湿和冷凝行为以及良好的传热。
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引用次数: 3
Solubility of Acetophenone in Supercritical Carbon Dioxide 苯乙酮在超临界二氧化碳中的溶解度
Pub Date : 2016-04-08 DOI: 10.2174/1874123101610010018
Maria Y. Dwi, J. Julian, J. N. Putro, A. Nugraha, Y. Ju, N. Indraswati, S. Ismadji
The solubility data of acetophenone in supercritical carbon dioxide (scCO2) were measured using a static method at several temperatures (313.15, 323.15, 333.15, and 343.15K) and pressures ranging from10 MPa to 28 MPa. The density based models (Chrastil and Del valle– Aguilera models) and the Peng-Robinson equation of state (PR-EOS) with quadratic and StryjekVera combining rules were employed to correlate the experimental data. Good correlations between the calculated and experimental solubility data were obtained. The sum of squared errors (SSE) are 0.38 % and 0.37 % for Chrastil and Del Valle – Aguilera models, respectively; and 9.07 % for Peng-Robinson equation of state with quadratic combining rule and 4.00 % for Peng-Robinson equation of state with Stryjek-Vera combining rule.
采用静态方法测定了苯乙酮在超临界二氧化碳(scCO2)中的溶解度,温度分别为313.15、323.15、333.15和343.15K,压力范围为10 ~ 28 MPa。采用基于密度的模型(Chrastil和Del valle - Aguilera模型)和Peng-Robinson状态方程(PR-EOS),结合二次和StryjekVera组合规则对实验数据进行关联。计算得到的溶解度数据与实验得到的溶解度数据具有良好的相关性。Chrastil模型和Del Valle - Aguilera模型的平方误差和(SSE)分别为0.38%和0.37%;二次组合规则的Peng-Robinson状态方程为9.07%,Stryjek-Vera组合规则的Peng-Robinson状态方程为4.00%。
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引用次数: 7
Parameter Identification in Liquid-Liquid Equilibrium Modeling of Food-Related Thermodynamic Systems Using Flower Pollination Algorithms 基于花授粉算法的食物相关热力学系统液-液平衡建模参数辨识
Pub Date : 2016-04-08 DOI: 10.2174/1874123101610010059
A. Merzougui, N. Labed, A. Hasseine, A. Bonilla-Petriciolet, D. Laiadi, O. Bacha
In this paper, the liquid–liquid equilibrium of twenty two ternary and quaternary systems relevant for food industry was modeled using the NRTL and UNIQUAC equations and the Flower Pollination Algorithm (FPA). FPA is an emerging natureinspired stochastic global optimization method and it has been used for LLE parameter identification of local composition models in multicomponent mixtures. FPA and its modified version (MFPA) were assessed for solving LLE parameter estimation problems in several systems relevant for food industry. Thenumerical performance of these stochastic methods has been analyzed at different numerical scenarios with and without the application of closure equations. Results showed that MFPA outperformed FPA and other metaheuristics (e.g., Simulated Annealing, Genetic Algorithm and Harmony Search) for LLE parameter identification in local compositions models. MFPA with closure equations is a reliable approach for determining the best interaction parameter of NRTL and UNIQUAC models in the LLE data processing of food-related thermodynamic systems.
本文采用NRTL方程和UNIQUAC方程以及花授粉算法(Flower Pollination Algorithm, FPA)对22个与食品工业相关的三元和四元体系的液液平衡进行了建模。FPA是一种新兴的受自然启发的随机全局优化方法,它已被用于多组分混合物局部成分模型的LLE参数辨识。对FPA及其改进版本(MFPA)进行了评价,用于解决食品工业相关系统的LLE参数估计问题。分析了这些随机方法在不同数值情况下的数值性能。结果表明,对于局部成分模型的LLE参数识别,MFPA优于FPA和其他元启发式方法(如模拟退火、遗传算法和和声搜索)。在食品相关热力学系统LLE数据处理中,具有闭包方程的MFPA是确定NRTL和UNIQUAC模型最佳相互作用参数的可靠方法。
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引用次数: 13
Solubility of Mixtures Containing Soybean Oil, Ionic Liquid and Methanol 含大豆油、离子液体和甲醇混合物的溶解度
Pub Date : 2016-04-08 DOI: 10.2174/1874123101610010041
M. Manic, Vesna Najdanovic-Visak
This paper presents data on mutual solubility of the binary (soybean oil + ionic liquid) and ternary (soybean oil + methanol + ionic liquid) systems, where ionic liquid stands for 1-butyl-3-methylimidazolium thiocyanate [C4MIM][SCN] or 1-butyl-3-methyl-imidazolium bis(trifluoromethylsulfonyl)imide [C4MIM][NTf2] or 1-butyl-3-methylimidazolium dicyanamide [C4MIM][DCA] or 1-butyl-3-methylimidazolium hexafluorophosphate [C4MIM][PF6] or 1-butyl-3-methyl imida zolium hydrogensulfate [C4MIM] [HSO4] or 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [C10MIM][NTf2] or methyltrioctylammonium bis(trifluoromethylsulfonyl)imide [ALIQUAT][NTf2] or methyltrioctylammonium chloride [ALIQUAT][Cl]. Solubilities were determined by the cloud point titration method in the temperature range of 298 K to 343 K. Obtained results suggest that imidazolium based ionic liquids exhibit lower solubility in soybean oil than ionic liquids with the aliquat cation. Thus, aliquat based ionic liquids are good candidate to be used as co-solvents for biphasic (methanol + soybean oil) mixture.
本文介绍了二元体系(大豆油+离子液体)和三元体系(大豆油+甲醇+离子液体)的相互溶解度。其中离子液体代表1-丁基-3-甲基咪唑硫氰酸盐[C4MIM][SCN]或1-丁基-3-甲基咪唑双(三氟甲基磺酰)亚胺[C4MIM][NTf2]或1-丁基-3-甲基咪唑双(三氟甲基磺酰)亚胺[C4MIM][DCA]或1-丁基-3-甲基咪唑六氟磷酸盐[C4MIM][PF6]或1-丁基-3-甲基咪唑硫酸氢[C4MIM][HSO4]或1-癸基-3-甲基咪唑双(三氟甲基磺酰)亚胺[C10MIM][NTf2]或甲基三辛基胺双(三氟甲基磺酰)亚胺[ALIQUAT][NTf2]或甲基三辛基氯化铵[ALIQUAT][Cl]。在298k ~ 343k的温度范围内,用云点滴定法测定溶解度。结果表明,咪唑基离子液体在大豆油中的溶解度比离子液体低。因此,液体基离子液体是两相(甲醇+大豆油)混合物的良好候选共溶剂。
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引用次数: 1
Semi-Empirical Models and Cubic Equations of State for Correlation of Solids Solubility in scCO2: From Simple to Complex Substances scCO2中固体溶解度相关的半经验模型和三次状态方程:从简单到复杂物质
Pub Date : 2016-04-08 DOI: 10.2174/1874123101610010029
J. Coelho, R. Filipe, A. Palavra, G. Naydenova, D. Yankov, R. Stateva
The present paper examines the performance of cubic equations of state (CEoSs) and semi-empirical density-based models in correlating the solubility in supercritical carbon dioxide (scCO2) of several solid compounds of interest to the food industry, namely 2-propenamide, bixin, β-carotene and C-tetramethylcalix[4]resorcinarene. The four target solutes are with increasing structural complexity and, are typically pure solids, at ambient or slightly elevated temperatures. The Soave-Kwong-Redlich (SRK) CEoS with the one-fluid van der Waals mixing rule was chosen as representative of the class of CEoSs, while the group of the density-based models includes Chrastil model, Kumar and Johnston model, Bartle et al. model, Méndez–Santiago and Teja model, Garlapati and Madras model, Nejad et al. model and Khansary et al. model. The results obtained reveal that the more recently advocated density-based models (Garlapati and Madras, Nejad et al. and Khansary et al. models) perform better than the other models with overall average absolute deviations, AARD %, of 6.3, 7.8 and 7.2 %, respectively. The 9.1% overall AARD for the SRK CEoS was considered satisfactory since it can be used as a reliable thermodynamic model to predict the solubility of any compound for which there are no sufficient experimental data available.
本文研究了三次状态方程(CEoSs)和基于半经验密度的模型在关联食品工业感兴趣的几种固体化合物(即2-丙烯、比辛、β-胡萝卜素和c -四甲基杯[4]间苯二甲酸)在超临界二氧化碳(scCO2)中的溶解度方面的性能。这四种目标溶质的结构复杂性越来越高,在室温或稍高的温度下,通常是纯固体。本文选择了Soave-Kwong-Redlich (SRK)单流体范德瓦尔斯混合规则的ceo作为ceo类别的代表,而基于密度的模型组包括chrasttil模型、Kumar和Johnston模型、Bartle等模型、msamudez - santiago和Teja模型、Garlapati和Madras模型、Nejad等模型和Khansary等模型。所获得的结果表明,最近提倡的基于密度的模型(Garlapati和Madras, Nejad等人和Khansary等人的模型)比其他模型表现更好,其总体平均绝对偏差AARD %分别为6.3%,7.8和7.2%。对于SRK的ceo来说,9.1%的总AARD被认为是令人满意的,因为它可以作为一个可靠的热力学模型来预测任何没有足够实验数据的化合物的溶解度。
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引用次数: 1
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The Open Chemical Engineering Journal
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