ES2062348T3 - Tratamiento de membranas para osmosis inversa. - Google Patents
Tratamiento de membranas para osmosis inversa.Info
- Publication number
- ES2062348T3 ES2062348T3 ES90304048T ES90304048T ES2062348T3 ES 2062348 T3 ES2062348 T3 ES 2062348T3 ES 90304048 T ES90304048 T ES 90304048T ES 90304048 T ES90304048 T ES 90304048T ES 2062348 T3 ES2062348 T3 ES 2062348T3
- Authority
- ES
- Spain
- Prior art keywords
- reverse osmosis
- membrane treatment
- membrane
- treatment
- diluted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
SE DESCRIBE UN PROCESO PARA AUMENTAR EL PASO DE SAL DE LAS MEMBRANAS DE OSMOSIS INVERTIDAS DE POLIAMIDOS Y LA MEMBRANA RESULTANTE. EL PROCESO IMPLICA TRATAR A LA MEMBRANA CON UNA SOLUCION ACUOSA DILUIDA DE UN PERMANGANATO DE METAL ALCALINO SEGUIDO DE UN TRATAMIENTO DE ESTABILILZACION CON UNA SOLUCION ACUOSA DILUIDA DE BISULFATO DE SODIO O PEROXIDO DE HIDROGENO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/362,701 US4938872A (en) | 1989-06-07 | 1989-06-07 | Treatment for reverse osmosis membranes |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2062348T3 true ES2062348T3 (es) | 1994-12-16 |
Family
ID=23427178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90304048T Expired - Lifetime ES2062348T3 (es) | 1989-06-07 | 1990-04-12 | Tratamiento de membranas para osmosis inversa. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4938872A (es) |
EP (1) | EP0401964B1 (es) |
JP (1) | JPH0312227A (es) |
CN (1) | CN1028610C (es) |
AU (1) | AU620238B2 (es) |
BR (1) | BR9001810A (es) |
CA (1) | CA2014614A1 (es) |
DE (1) | DE69007340T2 (es) |
DK (1) | DK0401964T3 (es) |
ES (1) | ES2062348T3 (es) |
IL (1) | IL94091A (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5112491A (en) * | 1991-03-01 | 1992-05-12 | E. I. Du Pont De Nemours And Company | Management of waste solution containing photoresist materials |
JP3412637B2 (ja) * | 1992-11-19 | 2003-06-03 | 日本エクスラン工業株式会社 | ロダン塩の回収方法 |
US5262054A (en) * | 1992-12-30 | 1993-11-16 | E. I. Du Pont De Nemours And Company | Process for opening reverse osmosis membranes |
KR100460011B1 (ko) * | 1998-02-17 | 2005-04-06 | 주식회사 새 한 | 폴리아미드계 역삼투 분리막의 후처리 공정 |
KR100460012B1 (ko) * | 1998-09-12 | 2005-04-06 | 주식회사 새 한 | 역삼투 분리막 및 역삼투 분리막 모듈의 보존 처리방법 |
JP2006102594A (ja) * | 2004-10-01 | 2006-04-20 | Nitto Denko Corp | 複合半透膜の製造方法 |
JP4656502B2 (ja) * | 2004-10-01 | 2011-03-23 | 日東電工株式会社 | 複合半透膜及びその製造方法 |
JP4656503B2 (ja) * | 2004-10-01 | 2011-03-23 | 日東電工株式会社 | 複合半透膜及びその製造方法 |
JP4656511B2 (ja) * | 2004-10-04 | 2011-03-23 | 日東電工株式会社 | 複合逆浸透膜の製造方法 |
CN100478056C (zh) * | 2006-08-25 | 2009-04-15 | 贵阳时代汇通膜科技有限公司 | 耐氧化复合反渗透膜 |
JP4936438B2 (ja) * | 2006-10-10 | 2012-05-23 | 日東電工株式会社 | 乾燥複合半透膜の製造方法 |
JP2008093544A (ja) * | 2006-10-10 | 2008-04-24 | Nitto Denko Corp | 複合半透膜及びその製造方法 |
DE102006060204A1 (de) * | 2006-12-18 | 2008-06-19 | Krones Ag | Verfahren zur Reinigung einer Anlage |
JP2008246419A (ja) * | 2007-03-30 | 2008-10-16 | Nitto Denko Corp | 複合半透膜の製造方法 |
CN112892249A (zh) * | 2019-12-04 | 2021-06-04 | 时代沃顿科技有限公司 | 聚酰胺反渗透膜及其制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3911080A (en) * | 1971-09-10 | 1975-10-07 | Wright H Dudley | Air pollution control |
US4830885A (en) * | 1987-06-08 | 1989-05-16 | Allied-Signal Inc. | Chlorine-resistant semipermeable membranes |
-
1989
- 1989-06-07 US US07/362,701 patent/US4938872A/en not_active Expired - Lifetime
-
1990
- 1990-04-12 CA CA002014614A patent/CA2014614A1/en not_active Abandoned
- 1990-04-12 DK DK90304048.3T patent/DK0401964T3/da active
- 1990-04-12 DE DE69007340T patent/DE69007340T2/de not_active Expired - Fee Related
- 1990-04-12 ES ES90304048T patent/ES2062348T3/es not_active Expired - Lifetime
- 1990-04-12 EP EP90304048A patent/EP0401964B1/en not_active Expired - Lifetime
- 1990-04-16 JP JP2100176A patent/JPH0312227A/ja active Pending
- 1990-04-17 IL IL9409190A patent/IL94091A/en not_active IP Right Cessation
- 1990-04-17 CN CN90103937.3A patent/CN1028610C/zh not_active Expired - Fee Related
- 1990-04-18 BR BR909001810A patent/BR9001810A/pt not_active Application Discontinuation
- 1990-04-18 AU AU53600/90A patent/AU620238B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU620238B2 (en) | 1992-02-13 |
AU5360090A (en) | 1990-12-13 |
EP0401964A2 (en) | 1990-12-12 |
IL94091A (en) | 1994-10-21 |
CN1028610C (zh) | 1995-05-31 |
US4938872A (en) | 1990-07-03 |
EP0401964A3 (en) | 1991-10-16 |
DE69007340T2 (de) | 1994-09-29 |
DK0401964T3 (da) | 1994-04-05 |
JPH0312227A (ja) | 1991-01-21 |
BR9001810A (pt) | 1991-06-11 |
EP0401964B1 (en) | 1994-03-16 |
CN1047812A (zh) | 1990-12-19 |
IL94091A0 (en) | 1991-01-31 |
CA2014614A1 (en) | 1990-12-07 |
DE69007340D1 (de) | 1994-04-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2062348T3 (es) | Tratamiento de membranas para osmosis inversa. | |
ES2048548T3 (es) | Procedimiento para la preparacion de las soluciones acuosas con contenido en sulfuro de hidrogeno, en acido cianhidrico y en amoniaco. | |
ES2069879T3 (es) | Procedimiento para la produccion acelerada de soluciones estables, en equilibrio, de acido peracetico a bajas concentraciones. | |
ES2144096T3 (es) | Procedimiento para la fabricacion de particulas de persales. | |
BR9106287A (pt) | Celula de membrana de prensa de filtro,processo para operar a celula,e processo para producao de acido perciorico | |
FR2544880B1 (fr) | Procede pour le nettoyage et la decontamination de lentilles de contact et composition pour sa mise en oeuvre | |
FI960327A0 (fi) | Alumiinisuolaliuosten valmistusmenetelmä | |
BR9007573A (pt) | Sistema de desinfeccao de lentes de contato | |
ES2087678T3 (es) | Procedimiento de purificacion de una solucion acuosa de cloruro de metal alcalino para extraer el yodo. | |
CA2079238A1 (en) | Membrane separation process | |
FI971159A0 (fi) | Menetelmä bipolaarisen membraanin valmistamiseksi | |
FI900460A0 (fi) | Bipolaariset tarkkuusmembraanit, niiden valmistusmenetelmä ja käyttö | |
ES2085102T3 (es) | Procedimiento de fabricacion de hidroxido de sodio | |
ATE63805T1 (de) | Verfahren zur desinfektion von weichen kontaktlinsen mit einer stabilisierten wasserstoffperoxydloesung. | |
BR8900951A (pt) | Material polimerico organico,membrana de troca de ions,celula eletrolitica,processo para eletrolise de solucao aquosa de cloreto de metal alcalino,intermediario para producao de monomero e monomero polimerizavel | |
FR2429183A1 (fr) | Procede de preparation de dioxyde de plomb actif electrochimiquement | |
AR247254A1 (es) | Metodo para la produccion de una solucion acuosa acidificada con iones clorato para alimentar a un procedimiento generador de dioxido de cloro y un metodo para la produccion de dioxido de cloro | |
DK0646042T3 (da) | Fremgangsmåde til elektrokemisk fremstilling af dicarboxylsyrer | |
BR7905453A (pt) | Processo para a eletrolise de solucoes aquosas de halogenetos alcalinos | |
BR8806629A (pt) | Processo para a recuperacao de rodio a partir de solucoes aquosas contendo compostos de complexo de rodio | |
SU1811187A1 (ru) | Способ регенерации катионообменных фторполимерных мембран | |
KR880002746A (ko) | 안정화된 이산화염소의 제조 방법 | |
ES2122432T3 (es) | Reduccion del cod de una corriente acuosa que contiene hidroperoxidos y otras impurezas organicas. | |
MX9205165A (es) | Procedimiento electroquimico. | |
SU756854A1 (ru) | Способ десорбции редких щелочных металлов |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 401964 Country of ref document: ES |