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339篇 您的检索式:作者名="Nakhla"
    题名 作者 年代 出处 被引量
1Fluidized-Bed Bioreactor Applications for Biological Wastewater Treatment: A Review of Research and Developments显示文摘污水处理是保护环境和人类健康的重要过程。目前,最经济有效的污水处理方法为生物处理法,如运行时间较长的活性污泥法。然而,随着人口的增长,对新型高效污水处理技术的需求越来越迫切,流态化技术虽然已展示出能够提高许多化学与生化处理过程的效率,但尚未在大型污水处理过程中得到广泛的应用。循环流化床生物反应器(CFBBR)污水处理技术的研究始于加拿大西安大略大学,在该技术中,载体颗粒表面会形成一层含细菌与其他微生物的生物膜,并在反应器中呈流化状态;流态化固有的良好混合和质量传递特性,使得该技术在生活污水和工业污水处理过程中均具优势。实验室阶段和中试阶段的研究均证实了CFBBR可去除污水中90%以上的碳源、80%以上的氮源,且污泥产量少于活性污泥法的1/3。由于该技术的高效性,CFBBR还可被用于传统方法难以处理的高有机碳污水处理,且具有占地面积小的优势。同时,CFBBR在动态负荷试验(进水量和进水浓度变化)中也展现了良好的抗冲击和恢复性能。总的来说,CFBBR是一种高效的污水处理方法,可在较短的水力停留时间和较小的反应器体积内处理更多的污水。此外,该反应器的紧凑设计将有助于在偏僻地区建造独立的污水处理系统。Michael J. Nelson George Nakhla Jesse Zhu 2017Engineering2017,3,3:14
2新型循环流化床的脱氮除磷机理显示文摘 新型循环流化床解决了固定生物膜不能回流的问题,并可实现脱氮除磷功能。清水和启动试验表明,该系统可有效去除污染物。崔玉波 George Nakhla Jesse Zhu 2005中国给水排水2005,21,1:4
3Enhanced biological phosphorus removal using thermal alkaline hydrolyzed municipal wastewater biosolids显示文摘This study reports the feasibility of using municipal wastewater biosolids as an alternative carbon source for biological phosphorus removal.The biosolids were treated by a lowtemperature,thermal alkaline hydrolysis process patented by Lystek International Inc.(Cambridge,ON,Canada)to produce short-chain volatile fatty acids and other readily biodegradable organics.Two sequencing batch reactors(SBRs)were operated with synthetic volatile fatty acids(Syn VFA)and readily biodegradable organics produced from the alkaline hydrolysis of municipal wastewater biosolids(Lystek)as the carbon source,respectively.Municipal wastewaters with different strengths and COD:N:P ratios were tested in the study.The reactors’performances were compared with respect to nitrogen and phosphorus removal.It was observed that phosphorus removal efficiencies were between 98%–99%and 90%–97%and nitrogen removal efficiencies were 78%–81%,and 67%for the Syn VFA and Lystek,respectively.However,the kinetics for phosphorus release and uptake during the anaerobic and aerobic stages with Lystek were observed to be significantly lower than Syn VFA due to the presence of higher order VFAs(C4 and above)and other fermentable organics in the Lystek.Masuduz Zaman Mingu Kim George Nakhla Ajay Singh Fenghua Yang 2019Journal of Environmental Sciences2019,31,12:4
4Acute and chronic toxicity of nickel to nitrifiers at different temperatures显示文摘This study investigated the acute nickel toxicity on nitrification of low ammonia synthetic wastewater at 10, 23, and 35°C. The nickel inhibition half-velocity constants(K_(I,Ni)) for ammonia oxidizing bacteria(AOB) and nitrite oxidizing bacteria(NOB) based on Ni/MLSS ratio at 10, 23, and 35°C were 5.4 and 5.6 mg Ni/g MLSS, 4.6 and 3.5 mg Ni/g MLSS, and 9.1 and 2.7 mg Ni/g MLSS, respectively. In addition, chronic toxicity of nickel to nitrification of low ammonia synthetic wastewater was investigated at 10°C in two sequencing batch reactors(SBRs). Long-term SBRs operation and short-term batch tests were comparable with respect to the extent of inhibition and corresponding Ni/MLSS ratio. The μ_(max), b, and K_o of AOB were 0.16 day^(-1), 0.098 day^(-1) and 2.08 mg O_2/L after long-term acclimatization to nickel of 1 mg/L at 10°C, high dissolved oxygen(DO)(7 mg/L) and long solids retention time(SRT) of 63–70 days. Acute nickel toxicity of nitrifying bacteria was completely reversible.Xiaoguang Liu Mohammad M.I.Chowdhury Masuduz Zaman Mingu Kim George Nakhla 2019Journal of Environmental Sciences2019,31,8:2
5Time-domain analysis of lossy coupled transmission lines显示文摘Griffith J R Nakhla M S 1990IEEE Trans on Microwave Theory and Techniques1990,38,10:1
6Operational optimization and mass balances in a two-stage MBR treating high strength pet food wastewater显示文摘C Aeharyal G Nakhla A Bassi 2006Journal of Environmental Engineering2006,132,7:1
7Human sex hormone-binding globulin gene expression-multiple promoters and complex alternative splicing显示文摘Nakhla AM Hryb DJ Rosner W 0,,:1
8Long term performance of MBR for biological nitrogen removal from synthetic municipal wastewater 显示文摘HOLAKOO L NAKHLA G BASSI A S 2007Chemosphere2007,66,:1
9Analysis of high-speed VLSI interconnects using the asyraptotic waveforra evaluation technique显示文摘Tang T K Nakhla M 1992IEEE Transactions on Coraputer-aided Design of Integrated Circuits and Systems1992,11,3:1
10Synchronized nasal intermittent positive pressure ventilation (SNIPPV) decreases work of breathing (WOB) in premature infants with respiratory distress syndrome (RDS) compared to nasal continuous positive airway pressure (NCPAP) 显示文摘Aghai ZH Saslow JG Nakhla T 2006Pediatr Pulmonol2006,41,9:1
11A fast method for frequency and time domain simulation of high- speed VLSI interconnects 显示文摘Sanaie R Chiprout E Nakhla M S Zhang Q J 1994IEEE Trans Microwave Theory Tech1994,42,12:1
12Sex hormone-binding glob-ulin is synthesized in target cells显示文摘Kahn S M Hryb D J Nakhla A M 2002J Endocrinol2002,175,:1
13Simultaneous carbon, nitrogen and phosphorous removal from municipal wastewater in a circulating fluidized bed bioreactor 显示文摘Patel A Zhu J Nakhla G 2006Chemosphere2006,65,:1
14Simultaneous time and frequency domain solutions of EM problems using finite element and CFH techniques显示文摘M A Kolbehdari M Srinivasan M S Nakhla 1996IEEE Trans Microwave Theory Tech1996,44,9:1
15Repetitive hypoxia increases 1 ipid loading in human macmphages-a potentially atherogenic effect显示文摘Lattimore JD wilcox I Nakhla S 0,,:1
16Characterization of foulants in conv- entional and simultaneous nitrification and denitrificationmembrane bioreactors显示文摘Arabi S Nakhla G 2009Sep Purif Technol2009,69,2:1
17Efficient sensitivity analysis of lossy multiconductor transmission lines with nonlinear terminations显示文摘Dounavis A Achar R Nakhla M S 2002IEEE Microwave Theory and Techniques2002,8,49:1
18Chelating prop- erties and molecular weight distribution of soluble micro- bial products from an aerobic membrane bioreactor 显示文摘Holakoo L Nakhla G Yanful E K 2006Water Res2006,40,8:1
19Adenosine prevents neutrophil adhesion to human endothelial ceils after hypoxia/reoxygenation显示文摘Kilian JG Nakhla S Sieveking DP 2005Int J Cardiol2005,105,3:1
20Adenosine prevents neutrophil adhesion to human endothelial cells after hypoxia/reoxygenation 显示文摘Kilian JG Nakhla S Sieveking DP 2005Cardiol2005,105,3:1
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