JPS644802B2 - - Google Patents
Info
- Publication number
- JPS644802B2 JPS644802B2 JP55013918A JP1391880A JPS644802B2 JP S644802 B2 JPS644802 B2 JP S644802B2 JP 55013918 A JP55013918 A JP 55013918A JP 1391880 A JP1391880 A JP 1391880A JP S644802 B2 JPS644802 B2 JP S644802B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- pressure
- membrane
- backwashing
- back pressure
- 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
Links
- 239000007788 liquid Substances 0.000 claims description 71
- 239000012528 membrane Substances 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 31
- 238000011001 backwashing Methods 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 2
- 229940079593 drug Drugs 0.000 claims description 2
- 239000013043 chemical agent Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 238000011282 treatment Methods 0.000 description 17
- 239000012530 fluid Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000004576 sand Substances 0.000 description 5
- 239000012466 permeate Substances 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000003204 osmotic effect Effects 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 238000000108 ultra-filtration Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/04—Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1391880A JPS56111006A (en) | 1980-02-07 | 1980-02-07 | Method for utilization of back pressure in membrane separating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1391880A JPS56111006A (en) | 1980-02-07 | 1980-02-07 | Method for utilization of back pressure in membrane separating process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56111006A JPS56111006A (en) | 1981-09-02 |
| JPS644802B2 true JPS644802B2 (ko) | 1989-01-26 |
Family
ID=11846544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1391880A Granted JPS56111006A (en) | 1980-02-07 | 1980-02-07 | Method for utilization of back pressure in membrane separating process |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56111006A (ko) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942011A (ja) * | 1982-09-02 | 1984-03-08 | Mitsui Eng & Shipbuild Co Ltd | 逆浸透膜造水装置の前処理濾過器洗浄方法 |
| JPS61139702U (ko) * | 1985-02-19 | 1986-08-29 | ||
| JPS6295702U (ko) * | 1985-12-02 | 1987-06-18 | ||
| JPS6443398A (en) * | 1987-08-11 | 1989-02-15 | S I Ii Kk | Waste water regenerating apparatus |
| DE19520913A1 (de) * | 1995-06-08 | 1996-12-12 | Schael Wilfried | Verfahren und Vorrichtung zur Wasseraufbereitung nach dem Prinzip der umgekehrten Osmose |
| US6120688A (en) * | 1997-02-25 | 2000-09-19 | Zenon Environmental, Inc. | Portable reverse osmosis unit for producing drinking water |
| FR2781168B1 (fr) * | 1998-07-17 | 2000-09-15 | Polymem | Procede et installation de traitement d'eau |
| JP2013163141A (ja) * | 2012-02-09 | 2013-08-22 | Toshiba Corp | 膜ろ過システム |
| JPWO2014007262A1 (ja) * | 2012-07-02 | 2016-06-02 | 東レ株式会社 | 淡水製造装置および淡水製造方法 |
-
1980
- 1980-02-07 JP JP1391880A patent/JPS56111006A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56111006A (en) | 1981-09-02 |
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