نتایج جستجو برای: water separation

تعداد نتایج: 664051  

Journal: :Langmuir : the ACS journal of surfaces and colloids 2005
Jelena Sekulić Johan E ten Elshof Dave H A Blank

Pervaporation experiments were performed on microporous titania membranes using several binary liquids containing 2-20 wt % water. The membrane was nonselective in the separation of water from alcohols and p-dioxane but showed a remarkably high selectivity in the separation of water from ethylene glycol/water mixtures with < or =15 mol % water. The absence of selectivity under most conditions i...

Journal: :IOP Conference Series: Materials Science and Engineering 2013

Journal: :International Journal of Chemical Engineering 2016

ژورنال: علوم آب و خاک 2009
ایزدی نیا, الهام, حیدرپور, منوچهر, کبیری سامانی, عبدالرضا,

In this study, the flow characteristics have been investigated by measuring separation zone, surface and velocity profiles over the circular crested side weirs. An equation was proposed for the length of the separation zone using dimensional, statistical and regression analysis. The dimensional analysis showed that the length of separation zone depends on the upstream to the downstream water de...

ایزدی نیا, الهام, حیدرپور, منوچهر, کبیری سامانی, عبدالرضا,

In this study, the flow characteristics have been investigated by measuring separation zone, surface and velocity profiles over the circular crested side weirs. An equation was proposed for the length of the separation zone using dimensional, statistical and regression analysis. The dimensional analysis showed that the length of separation zone depends on the upstream to the downstream water de...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1993
mohammad chalkosh amiri daryoosh jalali

whey contains more than half of total solids present in the original milk, which includes 20% of the proteins, most of the lactose, minerals and water soluble vitamins. in this study, selective separation of whey components by aphron flotation (separation of ultrafine particles by micro-bubbles) has been investigated. it has been shown that it is possible to recover valuable components of whey ...

Journal: :international journal of nanoscience and nanotechnology 2012
m. kolangikhah m. maghrebi k. ghazvini n. farhadian

in this study, salmonella typhimurium bacteria removal from polluted water has been investigated using multiwall carbon nanotubes arrays. experimental results reveal that the contact time, the bacterial concentration and the weight of multiwall carbon nanotubes arrays have positive significant effects on the bacteria removal efficiency. increasing the contact time and the weight of multiwall ca...

Journal: Journal of Nanoanalysis 2018
Aliakbar Safekordi, Azita Seyed Shariatdoost Kambiz Larijani Mohammad Yousefi, Pirouz Derakhshi

organic solvents. In this study, NiFe2O4/sawdust nanocomposite was synthesized for removingoil pollutants. The oil-adsorbing nanocomposite could be easily separated from water bymagnet bar. The XRD results show tetragonal phase proving the composite formation. TheFESEM pictures successfully reveal the growth of NiFe2O4 on the sawdust template. The FTIRbands at 422 cm-1 and 615 cm-1correspond to...

K. Ghazvini M. Kolangikhah M. Maghrebi N. Farhadian

In this study, Salmonella Typhimurium bacteria removal from polluted water has been investigated using multiwall carbon nanotubes arrays. Experimental results reveal that the contact time, the bacterial concentration and the weight of multiwall carbon nanotubes arrays have positive significant effects on the bacteria removal efficiency. Increasing the contact time and the weight of multiwall ca...

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