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1. WO2010010571 - A COMPOSITION FOR TREATMENT OF WATER

Publication Number WO/2010/010571
Publication Date 28.01.2010
International Application No. PCT/IN2008/000821
International Filing Date 08.12.2008
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
B01J 20/32 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
30Processes for preparing, regenerating or reactivating
32Impregnating or coating
CPC
B01D 39/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
B01J 20/0233
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
02comprising inorganic material
0203comprising compounds of metals not provided for in B01J20/04
0233Compounds of Cu, Ag, Au
B01J 20/103
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
02comprising inorganic material
10comprising silica or silicate
103comprising silica
B01J 20/20
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
02comprising inorganic material
20comprising free carbon; comprising carbon obtained by carbonising processes
B01J 20/28007
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
28characterised by their form or physical properties
28002characterised by their physical properties
28004Sorbent size or size distribution, e.g. particle size
28007with size in the range 1-100 nanometers, e.g. nanosized particles, nanofibers, nanotubes, nanowires or the like
B01J 20/3204
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
30Processes for preparing, regenerating, or reactivating
32Impregnating or coating ; ; Solid sorbent compositions obtained from processes involving impregnating or coating
3202characterised by the carrier, support or substrate used for impregnation or coating
3204Inorganic carriers, supports or substrates
Applicants
  • TATA CONSULTANCY SERVICES LTD. [IN]/[IN] (AllExceptUS)
  • DAS, Kalyan, Kumar [IN]/[IN] (UsOnly)
  • MALHOTRA, Chetan, Premkumar [IN]/[IN] (UsOnly)
Inventors
  • DAS, Kalyan, Kumar
  • MALHOTRA, Chetan, Premkumar
Agents
  • OBHAN, Essenese
Priority Data
1569/MUM/200824.07.2008IN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A COMPOSITION FOR TREATMENT OF WATER
(FR) COMPOSITION POUR LE TRAITEMENT DE L’EAU
Abstract
(EN)
The invention relates to a composition for treatment of water comprising rice husk ash and at least one bactericidal agent bonded to the rice husk ash. The bactericidal agent bonded to the rice husk ash is preferably silver and more particularly the bactericidal agent is nano silver. The invention also relates to a method of water purification using a composition comprising rice husk ash and at least one bactericidal agent bonded to the rice husk ash.
(FR)
La présente invention concerne une composition pour le traitement de l’eau comprenant de la cendre de balle de riz et au moins un agent bactéricide lié à la cendre de balle de riz. L’agent bactéricide lié à la cendre de balle de riz est de préférence de l’argent et plus particulièrement, l’agent bactéricide est du nano-argent. L’invention concerne également un procédé de purification d’eau utilisant une composition comprenant de la cendre de balle de riz et au moins un agent bactéricide lié à la cendre de balle de riz.
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