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1. WO2009005590 - COMPOSITIONS AND METHODS FOR FLUID PURIFICATION

Publication Number WO/2009/005590
Publication Date 08.01.2009
International Application No. PCT/US2008/007545
International Filing Date 17.06.2008
IPC
C02F 1/28 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
28by sorption
CPC
B01D 2253/10
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
B01D 2253/102
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
102Carbon
B01D 2253/104
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
104Alumina
B01D 2253/106
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
106Silica or silicates
B01D 2253/108
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
106Silica or silicates
108Zeolites
B01D 2253/11
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
106Silica or silicates
11Clays
Applicants
  • WATER SECURITY CORPORATION [US]/[US] (AllExceptUS)
  • MILOSAVLJEVIC, Emil [US]/[US] (UsOnly)
  • JOHNSON, Roger, Eric [US]/[US] (UsOnly)
Inventors
  • MILOSAVLJEVIC, Emil
  • JOHNSON, Roger, Eric
Agents
  • FREDERICK, Matthew
Priority Data
11/823,80428.06.2007US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) COMPOSITIONS AND METHODS FOR FLUID PURIFICATION
(FR) COMPOSITIONS ET PROCÉDÉS POUR LA PURIFICATION DE FLUIDES
Abstract
(EN)
A multi-barrier filter comprising a halogenated resin capable of removing contaminants from a fluid, and at least one contaminant sorbent medium downstream of the halogenated resin capable of adsorbing or absorbing contaminants. The at least one contaminant sorbent medium is preferably 'halogen-neutral' to maximize the antimicrobial effectiveness of the halogen in the fluid. The filter may comprise at least one 'halogen- scavenger' barrier downstream of the halogen-neutral barrier. Because of the efficiency of the filter, a low-residual halogenated resin, such as, for example, low residual iodinated resin, may be used.
(FR)
La présente invention concerne un filtre multi-barrières comprenant une résine halogénée capable d'éliminer des contaminants d'un fluide, et au moins un milieu sorbant de contaminants en aval de la résine halogénée capable d'adsorber ou d'absorber des contaminants. Le ou les milieux sorbants de contaminants sont de préférence neutres vis-à-vis de l'halogène pour maximiser l'efficacité antimicrobienne de l'halogène dans le fluide. Le fluide peut comprendre au moins une barrière fixant l'halogène en aval de la barrière neutre vis-à-vis de l'halogène. En raison de l'efficacité du filtre, une résine à faible teneur résiduelle en halogène, par exemple, une résine à faible teneur résiduelle en iode, peut être utilisée.
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