CA1047657A - Backwash recovery - Google Patents
Backwash recoveryInfo
- Publication number
- CA1047657A CA1047657A CA239,640A CA239640A CA1047657A CA 1047657 A CA1047657 A CA 1047657A CA 239640 A CA239640 A CA 239640A CA 1047657 A CA1047657 A CA 1047657A
- Authority
- CA
- Canada
- Prior art keywords
- backwash
- filter
- liquid
- water
- precoated
- 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
- 238000011084 recovery Methods 0.000 title 1
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000011001 backwashing Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000012535 impurity Substances 0.000 claims description 26
- 239000007787 solid Substances 0.000 claims description 24
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 16
- 239000003456 ion exchange resin Substances 0.000 claims description 16
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 16
- 238000005191 phase separation Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 description 18
- 229920005989 resin Polymers 0.000 description 18
- 238000012546 transfer Methods 0.000 description 17
- 238000005342 ion exchange Methods 0.000 description 10
- 238000005498 polishing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000003957 anion exchange resin Substances 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 239000003729 cation exchange resin Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Filtration Of Liquid (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53556374A | 1974-12-23 | 1974-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1047657A true CA1047657A (en) | 1979-01-30 |
Family
ID=24134769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA239,640A Expired CA1047657A (en) | 1974-12-23 | 1975-11-14 | Backwash recovery |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5833005B2 (enExample) |
| BR (1) | BR7508531A (enExample) |
| CA (1) | CA1047657A (enExample) |
| DE (1) | DE2557417A1 (enExample) |
| ES (1) | ES443679A1 (enExample) |
| FR (1) | FR2295778A1 (enExample) |
| GB (1) | GB1520439A (enExample) |
| IT (1) | IT1052879B (enExample) |
| SE (1) | SE445976B (enExample) |
| ZA (1) | ZA757356B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3000503A1 (de) * | 1980-01-08 | 1981-07-09 | Pepsico Inc., Purchase, N.Y. | Verfahren und anlage zur behandlung und rueckfuehrung eines waesserigen rueckwasch-abflusses aus einem rueckwaschvorgang |
| JPS5996004U (ja) * | 1982-12-21 | 1984-06-29 | 小島迪子 | 膝関節撮影架台 |
| JPS61108182U (enExample) * | 1984-12-19 | 1986-07-09 | ||
| JP2001327813A (ja) * | 2000-05-22 | 2001-11-27 | Japan Organo Co Ltd | ろ過脱塩装置の再生設備 |
| CN108479163B (zh) * | 2018-06-14 | 2023-08-25 | 湖北文理学院 | 一种粘胶过滤管路结构、系统、粘胶过滤方法及其应用 |
| CN110564897B (zh) * | 2019-08-06 | 2022-03-29 | 四川雅华生物有限公司 | 一种用于木糖制备中离子交换柱的复苏方法及系统 |
| CN112133465B (zh) * | 2020-09-23 | 2022-02-11 | 中国核动力研究设计院 | 一种放射性废树脂回取系统及方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3450262A (en) * | 1966-12-20 | 1969-06-17 | Gene Hirs | Method of filtering |
| US3630892A (en) * | 1970-12-10 | 1971-12-28 | Hydromation Filter Co | Process for removing dissolved nickel from a contaminated liquid |
-
1975
- 1975-11-14 CA CA239,640A patent/CA1047657A/en not_active Expired
- 1975-11-24 ZA ZA757356A patent/ZA757356B/xx unknown
- 1975-12-02 GB GB49476/75A patent/GB1520439A/en not_active Expired
- 1975-12-09 JP JP50146817A patent/JPS5833005B2/ja not_active Expired
- 1975-12-15 SE SE7514138A patent/SE445976B/xx unknown
- 1975-12-19 IT IT52785/75A patent/IT1052879B/it active
- 1975-12-19 ES ES443679A patent/ES443679A1/es not_active Expired
- 1975-12-19 DE DE19752557417 patent/DE2557417A1/de not_active Withdrawn
- 1975-12-22 BR BR7508531*A patent/BR7508531A/pt unknown
- 1975-12-22 FR FR7539389A patent/FR2295778A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU8709075A (en) | 1977-06-02 |
| GB1520439A (en) | 1978-08-09 |
| SE445976B (sv) | 1986-08-04 |
| IT1052879B (it) | 1981-07-20 |
| ES443679A1 (es) | 1977-10-01 |
| JPS5184463A (enExample) | 1976-07-23 |
| BR7508531A (pt) | 1976-08-24 |
| FR2295778B1 (enExample) | 1979-09-14 |
| SE7514138L (sv) | 1976-06-24 |
| DE2557417A1 (de) | 1976-06-24 |
| ZA757356B (en) | 1976-11-24 |
| JPS5833005B2 (ja) | 1983-07-16 |
| FR2295778A1 (fr) | 1976-07-23 |
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