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1. (WO2010120327) IMPROVED TFC MEMBRANES WITH HYDROLYZED AND OTHER ADDITIVES
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2010/120327 International Application No.: PCT/US2009/061109
Publication Date: 21.10.2010 International Filing Date: 16.10.2009
IPC:
B01D 63/00 (2006.01) ,B01D 69/00 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
63
Apparatus in general for separation processes using semi-permeable membranes
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
69
Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
Applicants: KURTH, Christopher, James[US/US]; US (UsOnly)
KOEHLER, Jeffrey, Alan[US/US]; US (UsOnly)
ZHOU, Meijuan[CN/US]; US (UsOnly)
HOLMBERG, Brett, Anderson[US/US]; US (UsOnly)
BURK, Robert, Leon[US/US]; US (UsOnly)
NANOH2O, INC.[US/US]; 570 Westwood Plaza, Suite 6532 Building 114, MC 722710 Los Angeles, CA 90095-7227, US (AllExceptUS)
Inventors: KURTH, Christopher, James; US
KOEHLER, Jeffrey, Alan; US
ZHOU, Meijuan; US
HOLMBERG, Brett, Anderson; US
BURK, Robert, Leon; US
Agent: BRUNELL, Norman E.; Irell & Manella LLP 1800 Avenue of the Stars Suite 900 Los Angeles, CA 90067, US
Priority Data:
12/424,53315.04.2009US
PCT/US2009/04073215.04.2009US
Title (EN) IMPROVED TFC MEMBRANES WITH HYDROLYZED AND OTHER ADDITIVES
(FR) MEMBRANES TFC AMÉLIORÉES AVEC ADDITIFS HYDROLYSÉS ET AUTRES
Abstract:
(EN) Thin film composite, TFC, membranes for use in forward and reverse osmosis may include mono- and/or di- hydrolyzed TMC and/or nanoparticles, alkaline earth alkaline metal complexes or other additives and/or nanoparticles. Specific concentration and ratio ranges of components used for interfacial polymerization may be used to enhance the flux increase and/or limit the rejection decrease in these membranes and/or reduce fouling. Techniques are provided for determining the usefulness of particular additives and the best ranges of concentration for both membrane improvement and membrane fabrication repeatability based on non-linearities identified in the effects of the additives on flux and rejection.
(FR) Membranes TFC à film composite pour osmose directe et inverse pouvant contenir des TMC mono- et/ou di-hydrolysés et/ou des nanoparticules, des complexes métalliques alcalino-terreux ou d'autres additifs et/ou nanoparticules. La concentration spécifique et les plages de rapports des composants utilisés pour la polymérisation interfaciale peuvent s'employer pour améliorer l'augmentation de flux et/ou limiter la baisse de rejet dans ces membranes et/ou réduire l'encrassement. Sont décrites des techniques permettant de déterminer l'utilité d'additifs particuliers et les plages de concentration les meilleures concernant tant les améliorations que la reproductibilité de fabrication des membranes sur la base des non-linéarités identifiées dans les effets des additifs sur le flux et le rejet.
front page image
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, 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 Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, 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)