in the present study, the production of low-salt water from salty water by nanofiltration as well as membrane fouling was investigated. furthermore, a new method was proposed and tested experimentally for creating the backpulse in order to minimization of fouling and increase of the filtration efficiency. in the proposed method, the permeate was used instead of gas for creating the backpulse. t...

In the present study, the production of low-salt water from salty water by nanofiltration as well as membrane fouling was investigated. Furthermore, a new method was proposed and tested experimentally for creating the backpulse in order to minimization of fouling and increase of the filtration efficiency. In the proposed method, the permeate was used instead of gas for creating the...

The effect of backpulsing, into the permeate space of a 2.5 inch spiral wrap membrane, on the prevention of fouling (flux enhancement) was investigated experimentally. These experiments were performed using a 500 mg∙l-1 dextrin solution and a 100 000 MCWO polypropylene membrane, with a feed pressure of 100 kPa and a cross-flow rate of 1 000 l∙h-1. Experimental results showed that a backpulse wi...

Hydrolysis of the lignocellulosic biomass results in release high-value chemicals that during industrial processing can be recovered with membrane technologies. To maintain an effective performance membranes used technological biomass, their regular cleaning is essential. Although several guidelines may found for cases organic fouling, data fouled by hydrolyzed limited. Current research aimed t...

T h e novel DuPont/Oberlin Microfiltration T e c h n o l o g y h a s r e c e n t l y b e e n d e m o n s t r a t e d i n E P A ' s S u p e r f u n d Innovative Technology Evaluation (SITE) program. Its key features are f ine microfiltration at low cost using DuPont's new T y v e k B T-980* spunbonded olefin f i l t e r media coupled with Oberl in 's reliable automatic pressure filter (APF). Thi...

DYOPTYKA’s innovative solution for the reduction of speckle noise in projection displays, using a phase randomizing deformable mirror, is shown to achieve good performance both within a single 1 μs pulse duration and through sequences of such pulses.