FR2253714B1 - - Google Patents
Info
- Publication number
- FR2253714B1 FR2253714B1 FR7343865A FR7343865A FR2253714B1 FR 2253714 B1 FR2253714 B1 FR 2253714B1 FR 7343865 A FR7343865 A FR 7343865A FR 7343865 A FR7343865 A FR 7343865A FR 2253714 B1 FR2253714 B1 FR 2253714B1
- Authority
- FR
- France
- 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
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28052—Several layers of identical or different sorbents stacked in a housing, e.g. in a column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5728973A GB1449517A (en) | 1973-12-06 | 1973-12-11 | Process for treating water contaminated with chromium anions |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2253714A1 FR2253714A1 (en) | 1975-07-04 |
FR2253714B1 true FR2253714B1 (en) | 1977-08-12 |
Family
ID=10478827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7343865A Granted FR2253714A1 (en) | 1973-12-11 | 1973-12-07 | Removal of chromium anions from industrial effluents |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE808349A (en) |
DE (1) | DE2361167C3 (en) |
FR (1) | FR2253714A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156647A (en) * | 1976-05-03 | 1979-05-29 | Nieuwenhuis Garmt J | Process and apparatus for removal of impurities from liquids |
CA1232378A (en) * | 1987-01-26 | 1988-02-02 | Charles H. Leigh | Water treatment process for waters carrying heavy metals such as chromium |
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1973
- 1973-12-07 BE BE138620A patent/BE808349A/en unknown
- 1973-12-07 FR FR7343865A patent/FR2253714A1/en active Granted
- 1973-12-07 DE DE19732361167 patent/DE2361167C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2361167C3 (en) | 1978-10-12 |
BE808349A (en) | 1974-06-07 |
DE2361167B2 (en) | 1978-02-09 |
FR2253714A1 (en) | 1975-07-04 |
DE2361167A1 (en) | 1975-06-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |