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...
Ngày tải lên: 14/09/2015, 08:49
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...
Ngày tải lên: 14/09/2015, 11:42
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...
Ngày tải lên: 12/09/2015, 11:29
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...
Ngày tải lên: 16/09/2015, 17:11
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...
Ngày tải lên: 30/09/2015, 10:12
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...
Ngày tải lên: 16/10/2015, 15:38
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...
Ngày tải lên: 09/09/2015, 11:31
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...
Ngày tải lên: 10/09/2015, 09:08
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...
Ngày tải lên: 12/09/2015, 08:20
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...
Ngày tải lên: 04/10/2015, 17:06
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...
Ngày tải lên: 11/09/2013, 11:44
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...
Ngày tải lên: 05/10/2013, 14:20
TrueNet® Certified Cabling System Product and System PERFORMANCE WARRANTY
Ngày tải lên: 16/10/2013, 13:15
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"...
Ngày tải lên: 18/10/2013, 19:15
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...
Ngày tải lên: 09/12/2013, 20:15
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...
Ngày tải lên: 17/12/2013, 13:15
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:...
Ngày tải lên: 26/12/2013, 15:19