ultrafiltration Articles | Environmental XPRT

LIEUVIN, France: Ecoskid–Elimination of turbidity and microbiological retention

The Saint Aubin de Scellon borehole is subject to large variations in turbidity in rainy periods (karstic aquifer).So Ultrafiltration was chosen for this site to eliminate these peaks in turbidity.The 75 m3/h Ultrafiltration unit will be extendable to 150 ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

Removal of lead from aqueous solutions by complexation ultrafiltration with chitosan

The removal of lead from aqueous dilute solutions by complexation-ultrafiltration with chitosan was studied. Experiments were performed as a function of aqueous pH, chitosan/Pb2+ ratio, and background electrolyte concentration. The value of pH was found to be the most important parameter to effect the lead removal. The lead removal rate reaches the plateau at almost 100% when the chitosan and ...

Mar. 1, 2011

By IWA Publishing

SAINT CLOUD, France: Grand Systeme–Elimination of turbidity, microbiological retention and elimination of organic micropollutants

The Saint Cloud plant in the Hauts de Seine department is supplied by the Avre source. The objectives of the Ultrafiltration process combined with the Cristal® process are disinfection and removal of suspended matter and ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

LONS LE SAUNIER, France: Skid–Elimination of turbidity and microbiological retention

The rehabilitation of the Lons le Saunier plant in 1997 was a formidable demonstration of the compactness of the membrane technology. Only a third of the space taken up by the old process was needed for installing the Ultrafiltration ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

SALLANCHES, France: Skid–Elimination of turbidity and microbiological retention

The Doran catchment (at an altitude of more than 1500 m) is the main resource of Sallanches. It is subject to wide variations in turbidity without a conjugate change in other parameters. Direct treatment by Ultrafiltration membrane was ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

Micellar-enhanced ultrafiltration for the solubilization of various phenolic compounds with different surfactants

Micellar-enhanced ultrafiltration (MEUF) was applied to the separation of phenolic compounds p-nitrophenol (PNP), p-chlorophenol (PCP), p-cresol (PC) and phenol (P) from effluents using a hydrophilic polyethersulfone ultrafiltration membrane. Cationic cetylpyridinium chloride (CPC), nonionic TX-100 and anionic sodium dodecyl benzene sulfonate (SDBS) were chosen as the surfactants. Several ...

Aug. 6, 2015

By IWA Publishing

Project - WWTP MBR BRM Rosieres

The biggest MBR in Belgium Dry weather flow: 600m³/h continously Population: 120 000 pe Ultrafiltration membrane ZeeWeed ...

May 7, 2020

By KAMPS s.a.

GRANDVAUX, France: Ecoskid–Elimination of turbidity, microbiological retention and elimination of organic matter.

The two sources of Gorges and Coupet, with a dry weather flow of 400 m3/day, supply the region of St. Lupicin. The rest is provided by pumping from the “Abbaye” lake.The water has variable characteristics in terms of turbidity, microbiology and organic matter, that is why the Ultrafiltration by membrane process was ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

Biologically active ion exchange (BIEX) for NOM removal and membrane fouling prevention

The natural organic matter (NOM) removal efficiency and regeneration behavior of ion-exchange filters with promoted biological activity (BIEX) was compared to operation where biological activity was suppressed (i.e. abiotic conditions). The impact of BIEX pre-treatment on fouling in subsequent ultrafiltration was also investigated. Biological operation enhanced NOM removal by approximately ...

Feb. 13, 2017

By IWA Publishing

Application of laser-induced breakdown-detection as a sensitive detector for UF membrane surrogate challenge tests

Characteristics of ultrafiltration membranes with respect to the removal of nanoscale particles can be determined by surrogate challenge tests (SCTs). Key elements of a successful SCT are the selection of a suitable surrogate and a reliable quantification method. A major challenge when using nanoparticles as surrogates is their quantification in the filtrate, since commonly used particle ...

Apr. 8, 2015

By IWA Publishing

FROIDEFONTAINE, France: Skid–Elimination of turbidity, microbiological retention and elimination of organic matter.

The Froidefontaine intercommunal drinking water syndicate includes 9 towns and a total population of 1,630 inhabitants. The waters to be treated come from the Froidefontaine source at theedge of the Dessoubre river, at an altitude of 420 m.By nature and its supply basin, this resource of karstic origin has high variations in quality, notably in the organic and turbidity parameters. ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

APIE, France: Grand Systeme–Elimination of turbidity, organic matter, microbiological retention and metals treatment

The Apié Ultrafiltration plant was built to meet essential needs: doubling the consumption of drinking water during the summer period and the development of the region, which entails a greater water requirement.The water is captured at the Tanneron dam and routed to the treatment plant in the town of Peymeinade. This plant supplies the region of ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

BUCEY LES GY, France: Skid–Elimination of turbidity, microbiological retention and elimination of organic micropollutants

Ultrafiltration by membrane and Cristal® (addition of powdered activated carbon) processes were implemented in the Bucey les Gy plant to treat turbidity, bacteriology and organic micropollutants simultaneously.Special attention was care to integrate the building, located in the middle of a classified ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

LAUSANNE, Switzerland: Grand Systeme–Elimination of turbidity and microbiological retention

The drinking water production plant in the town of Lutry (Vaud canton), on the edge of Leman Lake, was built in two phases (2000 and 2003). The plant supplies the city of Lausanne and the surrounding towns.Aquasource Ultrafiltration was chosen in order to integrate it in the best possible way into its environment. One final extension is possible for future ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

PETIT LAC DE CLAIRVAUX, France: Skid–Elimination of turbidity, organic micropollutants and microbiological retention

The objective of the Petit Lac de Clairvaux plant is to ensure tap water with exceptional organoleptic qualities (clarity, tasteless or odourless). The new Ultrafiltration plant treating water from a natural lake with the Cristal® process has replaced the obsolete traditional ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

VSEP debottlenecks refiinery and provides nearly instantaneous payback

New Logic Research has developed an innovative and rugged Ultrafiltration Membrane System for the treatment of desalter effluent. In the past, desalter effluent has been something that a refinery has just put up with and tried to manage as best it can. Now by utilizing the proprietary VSEP Filtration System, desalter effluent can be treated and mitigated at the ...

May 31, 2007

By New Logic Research, Inc.

Impact of magnetic ion exchange resin pretreatment on alleviating UF membrane fouling

The purpose of this study is to undestand the effect and mechanism of preventing ultrafiltration(UF) membrane fouling by using magnetic ion exchange resin (MIEX®) in terms of fractional compent and molecular weight of NOM. In the experiment, pretreatment decreasing trans-membrane pressure and preventing membrane fouling were studied. The result showed: when the MIEX® dosage reached 800 bed volume ...

Mar. 1, 2011

By IWA Publishing

The dye or humic acid water treatment and membrane fouling by polyaluminum chloride composited with sodium alginate in coagulation–ultrafiltration process

Composite flocculants have been extensively studied and applied in recent years in order to improve the water treatment efficiency. In this study, a new composite flocculant prepared by polyaluminum chloride (PAC) and sodium alginate (SA) was used to treat dye and humic acid water in the coagulation–ultrafiltration process. The subsequent effects of PAC/SA on ultrafiltration membrane ...

May 16, 2013

By IWA Publishing

Influence of particle size and operating parameters on virus ultrafiltration efficiency

In water treatment, virus removal using ultrafiltration is a major step towards better water quality. In this paper, we study virus filtration efficiency using surrogate virus particles and via statistical surface-response approach. We focus on the effect of particle size (20–100 nm range) as a key factor along with the effects of transmembrane pressure (20–60 kPa range) and feed flowrate ...

Mar. 1, 2011

By IWA Publishing

MOSCOW, Russia: Grand Systeme–Elimination of turbidity and microbiological retention

Moscow is one of the largest Ultrafiltration plants in the world.This drinking water production plant in the southwest of Moscow was designed to supply a million people starting on January 1st, 2007.This unit is equipped with 1344 modules so that it can produce up to 275,000 m3 of ultrafiltered water ...

Feb. 15, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

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