نتایج جستجو برای: hollow fibre membrane
تعداد نتایج: 427895 فیلتر نتایج به سال:
To achieve high efficiency and low degradation of a polymer electrolyte fuel cell (PEMFC), it is necessary to maintain an appropriate level humidification in the membrane. Thus, membrane humidifiers are typically used PEMFC systems. Parameter studies important evaluate under various operating conditions reduce amount physical tests. However, simulative computationally expensive when using detai...
The objective of this research was to investigate the performance of a hollow fibre membrane bioreactor (HFMB) for hydrogenotrophic denitrification of contaminated drinking water. In the HFMB, H2 flows through the lumen of the hydrophobic hollow fibres and diffuses to an attached H2 oxidizing biofilm. Nitrate in the contaminated water serves as an electron acceptor. A hydrogenotrophic denitrify...
A novel procedure based on multi-walled carbon nanotubes (MWCNTs)/silica reinforced hollow fibre solid-phase microextraction combined with gas chromatography-mass spectrometry has been developed to analyse trace phthalate acid esters in beverage and alcoholic samples. Because of their excellent adsorption capability towards hydrophobic compounds, functionalized MWCNTs, acting as solid-phase sor...
Aqueous-phase electrochemical reduction of carbon dioxide requires an active, earth-abundant electrocatalyst, as well as highly efficient mass transport. Here we report the design of a porous hollow fibre copper electrode with a compact three-dimensional geometry, which provides a large area, three-phase boundary for gas-liquid reactions. The performance of the copper electrode is significantly...
Extraction of penicillin G from aqueous solution using a membrane contactor: Numerical investigation
In the current study, treatment of pharmaceutical wastewater containing penicillin G using a hollow fibre membrane contactor was investigated. A mathematical model based on finite element method developed. The extraction performed Shellsol TK as organic solvent 5% Aliquat 336. effect feed pH, flow rate and temperature were examined for from aqueous solution. results showed that there is reasona...
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