conditions resultant hollow fiber membranes and adsorption performance
Development of novel chitosan based hollow fiber membranes for applications in water treatment and bioengineering
... conditions, resultant hollow fiber membranes and adsorption performance Table 5.2 Mechanical properties of the hollow fiber membranes Table 6.1 Spinning conditions, resultant hollow fiber membranes ... CS hollow fiber membrane; automatic titrator Figure 4.2 Pore structure of wet and dry hollow fiber membranes in cross-section and inner surface (a) and outer surface of wet, dry hollow fiber and ... Blend hollow fiber membranes 5.3.3 Adsorption performance 134 134 139 143 5.4 Conclusions 152 CHAPTER POROUS ADSORPTIVE CHITOSAN/CELLULOSE ACETATE BLEND HOLLOW FIBER MEMBRANES AND THEIR PERFORMANCE...
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Development of chitosan based blend hollow fiber membranes for adsorptive separation in environmental engineering and bioengineering applications
... CS and Pure CA hollow fiber membranes and CS/CA blend hollow fiber membranes 0.5-26.5-OH and 1-26-OH 70 Table 3.4 Mechanical test results for Pure CA hollow fiber membranes and CS/CA blend hollow ... of CS and Pure CA hollow fiber membranes and CS/CA blend hollow fiber membranes 0.5-26.5-OH and 1-26-OH 64 Figure 3.4 XRD diffractograms of CS and Pure CA hollow fiber membranes and CS/CA ... Experimental adsorption amounts of copper ions on Pure CA hollow fiber membranes and CS/CA blend hollow fiber membranes 0.5-26.5-OH and 1-26-OH 74 vii Table 3.7 Reuse of CS/CA blend hollow fiber membranes...
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Fabrication of nanofiltration hollow fiber membranes for sustainable pharmaceutical manufacture
... PAI/CA dual-layer hollow fiber membranes 51 Table 4.2 Spinning conditions of the dual layer hollow fiber membranes 53 Table 4.3 Mean effective pore radius (rp), geometric standard deviation ... 70 Table 5.1 Spinning conditions of Torlon® PAI NF hollow fiber membranes 78 Table 5.2 XPS Analysis of the original and PEI modified NF hollow fiber membranes 87 Table ... spinning conditions of the Torlon® PAI NF hollow fiber membranes are listed in Table 2.2 Figure 2.1 Schematic diagram of a hollow fiber spinning line Table 2.2 Spinning conditions of Torlon® PAI NF hollow...
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Dual layer asymmetric hollow fiber membranes for gas separation
... coextrusion dual-layer hollow fiber formation • Morphology characterization on resultant dual-layer hollow fibers • Examination of gas separation performance of resultant dual-layer hollow fibers • Study ... cross section and outer morphologies of hollow fiber membranes spun from batch (A, 806 s-1; B, 3225 s-1) Figure 3-8 89 The influence of take-up speed on the performance of hollow fiber membranes ... formation, modification and performance of single-layer asymmetric hollow fiber membranes • Design of a triple-orifice spinneret 17 Study on single-layer asymmetric hollow fiber membranes for CO2/CH4...
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Extractant impregnated hollow fiber membranes for phenol recovery from wastewater
... flat sheet and hollow fiber membranes can be used for solvent support but hollow fibers offer better advantage as they can be packed in large numbers inside columns to give a shell and tube like ... configuration The specifications for the hollow fiber membranes and glass tube have been listed in Table 4.1 Table 4.1 Specifications of hollow fiber membrane shell and tube configuration Characteristics ... cross-section and inner surface of pristine polypropylene fibers (a, c and e); and EIHFM (b, d and f) 46 Figure 5.2 EIHFM cross-sections with (a) uniform distribution; and (b) non-uniform...
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The development of pervaporation hollow fiber membranes for isopropanol dehydration
... asymmetric hollow fiber membranes, and investigate the effects of various spinning conditions and post treatments including 27 silicone rubber coating and heat treatment on P84 hollow fiber membranes ... asymmetric hollow fiber membranes, and investigates the effects of various spinning conditions and post treatments including silicone rubber coating and heat treatment on P84 hollow fiber membranes ... asymmetric membranes, however the research is lacking in the area of hollow fiber membranes especially as pervaporation dehydration membranes The development of novel hollow fiber pervaporation membranes...
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Symbiotic hollow fiber membrane photobioreactor for microalgal growth and activated sludge waste water treatment
... 43 3.2 Membrane Contactor and Fiber Bundle Fabrication 43 3.2.1 Gas exchange hollow fiber membrane 43 3.2.2 Hollow fiber membrane contactor 44 3.2.3 Fiber bundle 45 ... Figure 7.6 Hollow fiber membranes after 5-day run: (a) fibers in experiment N1 before washing, (b,c) fibers in experiment N2 before washing, (d) fibers in N1 after washing with 1M NaOH, (e) fibers ... hollow fiber membrane: pristine and after 7-day operation 82 Figure 5.5 Effects of flow orientation on: (a) P putida growth and glucose biodegradation and (b) C vulgaris growth and...
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Hollow fiber membrane design for membrane distillation (MD) and MD based hybrid processes
... PVDF hollow fiber membranes and 5) exploring the feasibility of hybrid forward osmosis-membrane distillation (FD-MD) process with PVDF hollow fiber membranes This dissertation is organized and ... duration and temperature are investigated Almost a complete rejection of PAA-Na solute was observed by both FO and MD membranes xiii NOMENCLATURE Ao , Ai outer and inner areas of hollow fiber membranes, ... for dual-layer hollow fiber D1 68 Figure 4.5 DCMD Permeation fluxes obtained for PVDF hollow fibers 70 Figure 4.6 Temperature profile for PVDF hollow fiber D1: Tf and Tp are the...
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Development and application of hollow fiber protected liquid phase microextraction for trace organic analysis
... HCl and NaOH 57 2.1.3.4 The optimized static three-phase hollow fiber protected LPME conditions 2.1.3.5 Application to real wastewater samples 58 59 2.2 Automated dynamic three-phase hollow fiber- protected ... matrices Hollow fiber- protected LPME is an improved type of LPME, in which the extraction solvent is protected and stabilized in the hollow fiber This thesis reports on the development and application ... donor phase and a stagnant acceptor phase [56] The other is based on the hollow fiber with a stirred donor phase and a stagnant acceptor phase within the 14 lumen (channel) of the hollow fiber Taking...
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Dual layer hollow fiber membrane development for forward osmosis and osmosis power generation
... PBI/POSS-PAN/PVP hollow fiber membranes Fig 3.13 46 Effects of PVP concentration on the NF performance of dual-layer hollow fiber membranes Fig.3.14 Effects of APS concentration on FO performance of hollow fibers ... dual-layer hollow fiber FO membranes Table 2.3 Spinning conditions for the fabrication of PBI/POSS -PAN/PVP dual-layer hollow fiber PRO membranes Table 2.4 15 Co-casting conditions and results ... i.e., pure water permeability and salt rejection, of the membranes 2.5.3 Fabrication of PBI/POSS-PAN/PVP dual-layer hollow fiber PRO membranes The dual-layer hollow fiber membranes were fabricated...
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A STUDY OF THE RELATIONSHIP BETWEEN CEO COMPENSATION AND FIRM PERFORMANCE IN THE US AIRLINE INDUSTRY 2002 2006
... United States and legislators and regulators have been quick to respond to the latest corporate scandals Despite the debate among the academic and business presses, political parties and government, ... compensation and firm performance in a particular industry or across industries and across the three levels of managerial discretion Definitions and Key Terms The following definitions and terms ... Prices, Standard and Poor’s Compustat database, and each firm’s annual reports CEO total cash compensation (salary plus bonus), stock option grants and exercise prices, CEO age and tenure and CEO shareholdings...
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Measuring and Tuning Performance
... load, and making long-term projections 44 CHAPTER ■ MEASURING AND TUNING PERFORMANCE Analysis and General Guidelines Optimal performance of the MCMS installation depends on the Web server’s and ... 40 CHAPTER ■ MEASURING AND TUNING PERFORMANCE Performance Optimization Optimal performance is primarily based on the speed at which a page is served Testing performance, therefore, requires ... Examine page size and reduce the use CHAPTER ■ MEASURING AND TUNING PERFORMANCE 53 of graphics and placeholders to minimize latency for page turnaround Consider your site’s bandwidth requirements...
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Fiber Connectivity and Cable Management
... patch cords, multifiber cable assemblies, and intrafacility fiber cable (IFC) to and from fiber splice enclosures, fiber distribution frames, and fiber optic terminal devices The FiberGuide system ... H R K Y Adapters only fiber softwall bundle fiber Maxi-Strip 12 fiber ribbon 12 fiber softwall bundle2 12 fiber Maxi-Strip Mounting Style3 A B C D E F 19" (48.26 cm) standard (19.6" [49.78 cm] ... black Includes vertical cable management trough 12 fiber capacity 24 fiber capacity 36 fiber capacity 48 fiber capacity 72 fiber capacity 96 fiber capacity Ordering Number 1.75" (4.45 cm) 3.50"...
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Tài liệu Democracy and Economic Performance pptx
... 1980-84, 1985-89, and 1990-94 OLS and random effects regressions include a constant term and dummies for East Asia, Latin America, Sub-Saharan Africa, socialist countries, OECD members, and oil exporters ... Guinea-B Italy Poland Mexico Ecuador Israel Paraguay Hungary Banglade Guatemal NorwayTrinidad ColombiaDominica JapanIceland Finland Uganda Sri Canada Costa Ri France United K Ireland Lank Philippi ... Growth: Hills, Plains, Mountains, Plateaus and Cliffs,” unpublished paper, World Bank, October 1997 Przeworski, Adam, and Fernando Limongi, “Political Regimes and Economic Growth,” The Journal of Economic...
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Tài liệu Overview Series: Windows Vista Performance and TuningImprove Performance Quickly and EasilyThe doc
... efficient and comprehensive way of improving performance of search and reducing the impact of indexing on the system Both search queries and data indexing are faster with Windows Search 4.0, and indexing ... computer’s performance Check Performance with Task Manager Task Manager provides information about applications and processes that are currently running on a computer, and also provides real-time performance ... effects, you can right click your desktop and click Personalize In the Personalize appearance and sounds window, click Windows Color and Appearance and chose a theme Make sure the Enable transparency...
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CAPITAL STRUCTURE AND FIRM PERFORMANCE IN VIETNAM
... 1977; and Harris and Raviv, 1990); corporate control issues (Harris and Raviv, 1988); and in particular, asymmetric information (Myers and Majluf, 1984; Myers, 1984) and taxation (DeAngelo and ... firm performance (Reese and Cool, 1978; Long and Ravenscraft, 1984; Abdel Shahid, 2003, among others) The stock market efficiency and other economic and political factors could affect a firm performance ... debt/total assets ↑↑ (2007) performance performance Margaritis and Leverage ↑↑ efficiency Psillaki (2010) Manawaduge, Leverage ↑↓ ROA and ↑↑ Zoysa and Tobin’s Q Chandrakumar a (2010) Source:...
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Tài liệu Conditions of the surface water and ground water resources in the rural area of the Mekong Delta, Vietnam pptx
... agricultural land use with farms, mainly cropping rice and fruits Some of the farms maintain small animal husbandries and fishponds Surface water, rain water and ground water are used for the drinking and ... of middle to coarse sand Methods For the appraisal of the surface water and ground water resources water sampling and analyses regarding the chemical and microbiological conditions were carried ... suspended solids and hygienically pollutants Conclusions and Outlook Regarding the ground water and the surface water quality the two study sites Hoa An and An Binh are typical for the conditions of...
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Tìm thêm: khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose