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1. (WO2017171638) CROSS-FLOW MEMBRANE FILTRATION WITH INCLINED FILTRATION CHANNEL
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Pub. No.: WO/2017/171638 International Application No.: PCT/SG2017/050157
Publication Date: 05.10.2017 International Filing Date: 28.03.2017
IPC:
B01D 63/00 (2006.01) ,B01D 69/00 (2006.01) ,B01D 65/08 (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
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
65
Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
08
Prevention of membrane fouling or of concentration polarisation
Applicants: NANYANG TECHNOLOGICAL UNIVERSITY[SG/SG]; 50 Nanyang Avenue, Singapore 639798, SG
Inventors: ZAMANI, Farhad; SG
CHEW, Jia Wei; SG
AKHONDI, Ebrahim; SG
KRANTZ, William Bernard; SG
FANE, Anthony Gordon; SG
TAN, Yong Zen; SG
Agent: ONG, Lucille Frances, Kheng Lu; SG
Priority Data:
10201602393R28.03.2016SG
Title (EN) CROSS-FLOW MEMBRANE FILTRATION WITH INCLINED FILTRATION CHANNEL
(FR) FILTRATION À MEMBRANE À ÉCOULEMENT TRANSVERSAL AU MOYEN D'UN CANAL DE FILTRATION INCLINÉ
Abstract:
(EN) A cross-flow membrane filtration channel defined by at least one membrane, wherein at least one surface of the channel is inclined at an angle away from a centreline of the channel in a direction of feed flow in the channel. The cross-flow membrane filtration channel judiciously manipulates the flow field on the feed side of the membrane to direct the particles or floes away from the membrane surface, thus minimizing any deposition or fouling. The filtration process using the cross-flow membrane filtration channel can be operated in the laminar regime, which requires lower energy compared to that in the conventional cross-flow setup, whereby filtration is operated in the energy-intensive turbulent regime.
(FR) La présente invention concerne un canal de filtration à membrane à écoulement transversal défini par au moins une membrane, au moins une surface du canal étant inclinée selon un certain angle à l'écart d'une ligne centrale du canal dans une direction d'écoulement d'alimentation dans le canal. Le canal de filtration à membrane à écoulement transversal manipule judicieusement le champ d'écoulement sur le côté d'alimentation de la membrane afin de diriger les particules ou les floes à l'écart de la surface de la membrane, réduisant ainsi au minimum tout dépôt ou encrassement. Le processus de filtration utilisant le canal de filtration à membrane à écoulement transversal peut fonctionner selon le régime laminaire, ce qui nécessite une énergie inférieure par rapport à celle de la configuration classique d'écoulement transversal, grâce auquel la filtration fonctionne selon le régime turbulent à forte consommation d'énergie.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, 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, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, 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, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)