نتایج جستجو برای: influence of backwashing parameters
تعداد نتایج: 21198543 فیلتر نتایج به سال:
This study aimed to determine the water demand of a municipal swimming pool complex propose use efficiency measures. Concomitantly, possibility recycling and reusing from filter backwashing was evaluated. The pools consumed 25.6% water, 24.5%, showers 34.7%. Despite current impossibility reducing consumption in backwashing, it is feasible promote more efficient through by adopting simple water-...
abstract: sayyed mohammad tabatabaee is accounted as one of the effective persons in iran contemporaneoushistory and his role in the events of iran constitution revolution is inevitable. sayyed mohammad tabatabaee from the time of naser al din shah qajar and arrival to iran, informed of the advantages and the basis of constitution, was in the thought of making the iran rule as a constituti...
Introduction: By appropriate method can be recycled more than 95 percent effluent backwashing the filter. This study aimed to examine the efficiency of the electrocoagulation process on turbidity and suspended solids removal from backwash effluent of rapid sand filter of water treatment plants No 1 in Karaj. Methods: This bench-scale experimental study was carried out on the samples of b...
The efficiency of osmotic backwashing cleaning to remove bacteria from forward osmosis membranes was systematically studied for the first time under different attachment and conditions. It is hypothesized that biofouling preventable when tackling initial adhesion, i.e. during reversible stage. Cell removal membrane dependent on both adhesion conditions: tests were performed solutions concentrat...
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
Membrane ltration processes are often operated cyclically, where one cycle comprises a ltration and a backwashing phase. Due to the complex mechanisms involved, these ltration processes are mostly operated with xed values of the manipulated variables. In this paper, a model-based process control approach is introduced, which is based upon run-to-run control theory. To evaluate the controller, a...
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