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1. (WO2007002298) METHOD OF CLARIFYING OILY WASTE WATER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/002298 International Application No.: PCT/US2006/024319
Publication Date: 04.01.2007 International Filing Date: 23.06.2006
Chapter 2 Demand Filed: 23.01.2007
IPC:
C02F 1/26 (2006.01) ,C02F 1/02 (2006.01) ,C02F 1/54 (2006.01) ,C02F 1/68 (2006.01) ,C02F 101/32 (2006.01) ,C02F 103/00 (2006.01)
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1
Treatment of water, waste water, or sewage
26
by extraction
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1
Treatment of water, waste water, or sewage
02
by heating
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1
Treatment of water, waste water, or sewage
52
by flocculation or precipitation of suspended impurities
54
using organic material
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1
Treatment of water, waste water, or sewage
68
by addition of specified substances, e.g. trace elements, for ameliorating potable water
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
101
Nature of the contaminant
30
Organic compounds
32
Hydrocarbons, e.g. oil
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
103
Nature of the water, waste water, sewage or sludge to be treated
Applicants:
NALCO COMPANY [US/US]; 1601 W. Diehl Road Naperville, IL 60563-1198, US (AllExceptUS)
MANEK, Maria, B. [US/US]; US (UsOnly)
HOWDESHELL, Michael, J. [US/US]; US (UsOnly)
WELLS, Kirk, E. [US/US]; US (UsOnly)
CLEVER, Hester, A. [US/US]; US (UsOnly)
STEPHENSON, William, K. [US/US]; US (UsOnly)
Inventors:
MANEK, Maria, B.; US
HOWDESHELL, Michael, J.; US
WELLS, Kirk, E.; US
CLEVER, Hester, A.; US
STEPHENSON, William, K.; US
Agent:
KEEFER, Timothy, J.; SEYFARTH SHAW LLP 55 E. Monroe St., Suite 4200 Chicago, IL 60603, US
Priority Data:
11/159,49823.06.2005US
Title (EN) METHOD OF CLARIFYING OILY WASTE WATER
(FR) PROCEDE PERMETTANT DE CLARIFIER DES EAUX HUILEUSES
Abstract:
(EN) A method of clarifying oily waste water comprising adding to the waste water an effective clarifying amount of one or more demulsifiers selected from the group consisting of dendritic polyamines, dendritic polyamidoamines and hyperbranched polyethyleneimines and the reaction products thereof with gluconolactone, alkylene oxides, salts of S-chloro^-hydroxypropanesulfonic acid, alkyl halides, benzyl halides and dialkyl sulfates.
(FR) L'invention concerne un procédé permettant de clarifier des eaux huileuses et consistant à ajouter aux eaux huileuses une quantité clarifiante suffisante d'un ou plusieurs désémulsionneurs choisis dans le groupe constitué de polyamines dendritiques, de polyamidoamines dendritiques et de polyéthylèneimines hyperramifiés et leurs produits de réaction avec le gluconolactone, les oxydes d'alkylène, les sels d'acide S-chloro-hydroxypropanesulfonique, d'halogénures d'alkyle, d'halogénures de benzyle et de sulfates de dialkyle.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
NO20076539KR1020080025157EP1907325BRPI0613810JP2009507619CA2613390