Resistance of membrane fouling (Rf) decreased as humic acid concentration changed from 10 mg/L to 2 mg ... Water back-flushing of 10 sec was performed per every period of 10 min to minimize membrane fouling for ... photocatalyst, we used the hybrid module that was composed of photocatalyst packing between tubular membrane
It means that the more frequent back-flushing was the more effective to reduce membrane fouling. ... Then, increasing BT at fixed FT 120 sec could decrease resistance of membrane fouling (Rf) and increase ... In this study, periodic water-back-flushing using permeate water was performed to minimize membrane fouling
Therefore, the permeate quality was not affected by membrane fouling. 한국막학회 멤브레인 박영규, 강신경 ... fouling. ... plate-and-frame modules, the change of each stage's penneate flow and quality were investigated in the process of membrane
fouling because high TMP could make easily membrane cake and fouling inside membrane structure. ... Two kinds of alumina membranes with 7 channels used here for recycling paper wastewater. ... The optimal filtration time interval for HC04 membrane with 0.4mum pore size was lower value of 4 min
fouling as a function of the pore size of membrane and the determination of optimum coagulant dosage ... On the result of the experiment for the evaluation of the membrane fouling as a function of the pore ... size, a increasing rate of irreversible resistance of membrane pore size 0.1mum and 0.01mum was measured
Membrane fabricated sulfonated PEl showed better fouling resistance to the protein than those fabricated ... To prepare casting solution, from which the membrane having good performance can produce. ... Solute having negative charge was removed effectively with membrane fabricated from the sulfonated PEl
Then, the BT effects on resistance of membrane fouling (Rf), permeate flux (J) and total permeate volume ... The optimum input concentration of the PP beads was 20 g/L in the viewpoint of membrane fouling; however ... maximum at 30 g/L of the PP beads; however, those of the previous study with alumina ultrafiltration membrane
Water-back-flushing of 10 sec was performed per every period of 10 min to minimize membrane fouling. ... Resistance of membrane fouling (Rf) decreased and J increased as concentration of humic acid changed ... and membrane module inside.
FT 6 min was the most effective
to control initial membrane fouling and optimal condition because the ... membrane fouling resistance was low until initial
60 min and the maximum total permeate volume was acquired ... treatment process of carbon ultrafiltration
and polypropylene (PP) beads coated with photocatalyst, and membrane
As a result, both resistance of membrane fouling (Rf) and permeate flux (J) were highly influenced by ... fouling and to enhance permeate flux because of frequent water-back-flushing. ... than tubular membrane.
N2-back-flushing of 10 sec was performed per every period of 10 min to minimize membrane fouling and ... As a result, resistance of membrane fouling (Rf) decreased and J increased as concentration of humic ... activated carbons (GAC) packing between module inside and outside of tubular ceramic microfiltration membrane
In comparing the ratio of each fouling component to the total fouling for the 0.5 kg/sub f//㎠ TMP condition ... membrane of 0.24 ㎛ pore size, with the higher flux with the low concentration of feed. ... Faster flux decline at high trans-membrane pressure was attributed to the formation of denser packed
experiments were conducted simultaneously at the same transmembrane pressure and energy cosumption per membrane ... The second module set was more effective in reducing concentration polarization and fouling. ... The effects of Dean vortices for reducing concentration polarization and fouling were low for the first
And in our experimental range the higher TMP trended to increase the resistance of membrane fouling ( ... fouling effectively. ... Also, optimal FT was 5 min for both membranes, and the frequent N2-back-flushing could decrease membrane
Those were compared and studied in viewpoints of membrane fouling resistance (Rf), permeate flux (J), ... Because membrane fouling increased dramatically as decreasing HA, Rf increased and J decreased, and finally
technologies can improve 1) permeability, selectivity, 2) mechanical, chemical, thermal stability or fouling ... Nano materials having large surface area, uniform dimensions or pores can be utilized in various membrane ... tolerance of conventional membranes and even 3) introduce new functionalities such as specific affinity
ineffective in the removal of dissolved organic matter and also membrane fouling is still an important ... Membrane filtration processes are increasingly popular for drinking water treatment that requires high ... Low pressure membrane(LPM) processes such as microfiltration(MF) and ultrafiltration(UF), however, are
as different membrane fouling between A and B train resulting from the different pretreatment processes ... And also, iron oxide fouling was ineffectively removed by citric acid. ... B train consists of coagulation as pretreatment process with membrane was chemically cleaned 9 times
In case of low molecular weight cut-off membranes, the effect of membrane fouling was weak under the ... the membrane surface as well as oil particle plugging for a part of membrane pores due to compressible ... Dead-end type stirred cell (Amicon 8050) with 10, 30 and lOOk dalton membranes was used to determine