IT1110428B - Processo per la rigenerazione di un mezzo filtrante e dispositivo filtrante utilizzante tale processo - Google Patents
Processo per la rigenerazione di un mezzo filtrante e dispositivo filtrante utilizzante tale processoInfo
- Publication number
- IT1110428B IT1110428B IT20333/79A IT2033379A IT1110428B IT 1110428 B IT1110428 B IT 1110428B IT 20333/79 A IT20333/79 A IT 20333/79A IT 2033379 A IT2033379 A IT 2033379A IT 1110428 B IT1110428 B IT 1110428B
- Authority
- IT
- Italy
- Prior art keywords
- filtering
- regeneration
- media
- filtering device
- filtering media
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title 2
- 238000000034 method Methods 0.000 title 2
- 230000008929 regeneration Effects 0.000 title 1
- 238000011069 regeneration method Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/105—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container downward filtration without specifications about the filter material supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4884—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO780583A NO141499C (no) | 1978-02-20 | 1978-02-20 | Fremgangsmaate ved rensing og regenerering av syreresistente filtre. |
| NO780770 | 1978-03-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7920333A0 IT7920333A0 (it) | 1979-02-19 |
| IT1110428B true IT1110428B (it) | 1985-12-23 |
Family
ID=26647654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20333/79A IT1110428B (it) | 1978-02-20 | 1979-02-19 | Processo per la rigenerazione di un mezzo filtrante e dispositivo filtrante utilizzante tale processo |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4231870A (it) |
| JP (1) | JPS54127071A (it) |
| AU (1) | AU532038B2 (it) |
| BR (1) | BR7901045A (it) |
| FR (1) | FR2417328A1 (it) |
| GB (1) | GB2014467B (it) |
| IE (1) | IE47830B1 (it) |
| IT (1) | IT1110428B (it) |
| MX (1) | MX150758A (it) |
| NL (1) | NL187339C (it) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT8104953V0 (it) * | 1981-07-22 | 1981-07-22 | Culligan Italiana | Perfezionamenti negli impianti per il trattamento delle acque mediante filtrazione diretta e con l'uso di filtri disposti in serie |
| DE3360210D1 (en) * | 1982-01-19 | 1985-07-04 | Ciba Geigy Ag | Filter system |
| JPS5912715A (ja) * | 1982-07-15 | 1984-01-23 | Ebara Infilco Co Ltd | 急速ろ過池におけるろ材洗浄方法 |
| US4478714A (en) * | 1983-01-10 | 1984-10-23 | Ciba-Geigy Ag | Pressurized filtration system |
| FR2598402B1 (fr) * | 1986-05-07 | 1990-06-01 | Rhone Poulenc Chimie | Procede de nettoyage de surfaces filtrantes |
| US6284926B1 (en) * | 2000-06-06 | 2001-09-04 | Richmond, Hitchcock, Fish & Dollar | Process and apparatus for producing organic polysulfides |
| US20080083334A1 (en) * | 2006-10-06 | 2008-04-10 | Pronob Bardhan | Method and system for removing ash from a filter |
| CN102906027A (zh) * | 2010-03-22 | 2013-01-30 | 索法塔斯有限责任公司 | 用于水处理的浸渍碳 |
| CN104645707A (zh) * | 2013-11-22 | 2015-05-27 | 中国石油天然气股份有限公司 | 油田注水定压连续过滤装置及其过滤工艺 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2069621A (en) * | 1935-12-07 | 1937-02-02 | West Virginia Pulp & Paper Co | Method of cleaning sand filters and appurtenances |
| US2648440A (en) * | 1949-10-28 | 1953-08-11 | Wittichen Chemical Company | Process for cleaning filter sand beds |
| US2956682A (en) * | 1958-02-20 | 1960-10-18 | Du Pont | Filtering apparatus |
| US3385735A (en) * | 1962-11-15 | 1968-05-28 | Newport News S & D Co | Method for cleaning hydraulic systems |
| JPS5138169B2 (it) * | 1972-08-15 | 1976-10-20 | ||
| US3932278A (en) * | 1974-02-15 | 1976-01-13 | Sterling Drug Inc. | Filter cleaning method |
-
1979
- 1979-02-09 IE IE243/79A patent/IE47830B1/en not_active IP Right Cessation
- 1979-02-13 AU AU44186/79A patent/AU532038B2/en not_active Expired
- 1979-02-15 GB GB7905444A patent/GB2014467B/en not_active Expired
- 1979-02-16 FR FR7904006A patent/FR2417328A1/fr active Granted
- 1979-02-16 US US06/012,738 patent/US4231870A/en not_active Expired - Lifetime
- 1979-02-19 IT IT20333/79A patent/IT1110428B/it active
- 1979-02-19 BR BR7901045A patent/BR7901045A/pt unknown
- 1979-02-19 NL NLAANVRAGE7901304,A patent/NL187339C/xx not_active IP Right Cessation
- 1979-02-20 MX MX176667A patent/MX150758A/es unknown
- 1979-02-20 JP JP1792579A patent/JPS54127071A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT7920333A0 (it) | 1979-02-19 |
| GB2014467B (en) | 1982-06-03 |
| GB2014467A (en) | 1979-08-30 |
| FR2417328A1 (fr) | 1979-09-14 |
| IE790243L (en) | 1979-08-20 |
| NL7901304A (nl) | 1979-08-22 |
| JPS6336811B2 (it) | 1988-07-21 |
| NL187339B (nl) | 1991-04-02 |
| US4231870A (en) | 1980-11-04 |
| MX150758A (es) | 1984-07-12 |
| IE47830B1 (en) | 1984-06-27 |
| BR7901045A (pt) | 1979-09-11 |
| NL187339C (nl) | 1991-09-02 |
| JPS54127071A (en) | 1979-10-02 |
| AU4418679A (en) | 1979-08-30 |
| AU532038B2 (en) | 1983-09-15 |
| FR2417328B1 (it) | 1984-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970226 |