CH617642A5 - Process for purifying effluents containing heavy metal compounds - Google Patents
Process for purifying effluents containing heavy metal compounds Download PDFInfo
- Publication number
- CH617642A5 CH617642A5 CH541075A CH541075A CH617642A5 CH 617642 A5 CH617642 A5 CH 617642A5 CH 541075 A CH541075 A CH 541075A CH 541075 A CH541075 A CH 541075A CH 617642 A5 CH617642 A5 CH 617642A5
- Authority
- CH
- Switzerland
- Prior art keywords
- heavy metal
- metal compounds
- containing heavy
- effluents containing
- waters
- Prior art date
Links
Classifications
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
- C02F1/705—Reduction by metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/467—Foam spreading or levelling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/006—Degassing moulding material or draining off gas during moulding
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Removal Of Specific Substances (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22396/74A IT1010486B (it) | 1974-05-08 | 1974-05-08 | Procedimento per la depurazione delle acque di scarico |
Publications (1)
Publication Number | Publication Date |
---|---|
CH617642A5 true CH617642A5 (en) | 1980-06-13 |
Family
ID=11195718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH541075A CH617642A5 (en) | 1974-05-08 | 1975-04-28 | Process for purifying effluents containing heavy metal compounds |
Country Status (23)
Country | Link |
---|---|
JP (1) | JPS50152557A (nl) |
AT (2) | AT346253B (nl) |
BE (1) | BE828570A (nl) |
CH (1) | CH617642A5 (nl) |
CS (1) | CS202546B2 (nl) |
DD (1) | DD118051A5 (nl) |
DE (1) | DE2520531A1 (nl) |
DK (1) | DK196775A (nl) |
ES (1) | ES437875A1 (nl) |
FI (1) | FI751142A (nl) |
FR (1) | FR2270209B1 (nl) |
GB (1) | GB1474145A (nl) |
IE (1) | IE41336B1 (nl) |
IL (1) | IL47073A (nl) |
IT (1) | IT1010486B (nl) |
LU (1) | LU72427A1 (nl) |
NL (1) | NL7505514A (nl) |
NO (1) | NO751626L (nl) |
PL (1) | PL111038B1 (nl) |
RO (1) | RO69366A (nl) |
SE (1) | SE7505290L (nl) |
TR (1) | TR19213A (nl) |
YU (1) | YU103975A (nl) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2613128C2 (de) * | 1976-03-27 | 1982-03-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Verminderung des Quecksilbergehaltes von Betriebsabwässern |
DE3321451A1 (de) * | 1982-06-16 | 1983-12-22 | Occidental Chemical Corp., 48089 Warren, Mich. | Vorrichtung und verfahren zum entfernen von kupferionen aus waessrigen loesungen |
DE3411228C1 (de) * | 1984-03-27 | 1985-05-30 | Du Pont de Nemours (Deutschland) GmbH, 4000 Düsseldorf | Verfahren zur umweltfreundlichen Reinigung von photographischem Waschwasser aus Filmverarbeitungsmaschinen und Vorrichtung zur Durchführung des Verfahrens |
DE4217987A1 (de) * | 1992-05-30 | 1993-12-02 | Battelle Institut E V | Verfahren zur Abtrennung von Schwermetallen, insbesondere in Form von Quecksilber, Nickel und Kobalt sowie Verbindungen hiervon aus dem Erdreich, Schlämmen und Wässern |
DE69308311T2 (de) * | 1992-09-18 | 1997-09-11 | Krueger As I | Methode zur reinigung von metallhaltigen wässrigen flüssigkeiten und methode zur herstellung eines adsorbens |
DE102007045337B4 (de) * | 2007-09-22 | 2021-01-07 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Schutz vor Chrom(VI)-haltigem Staub |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2177656B1 (nl) * | 1972-03-31 | 1979-02-16 | Lewandowski Raymond |
-
1974
- 1974-05-08 IT IT22396/74A patent/IT1010486B/it active
-
1975
- 1975-04-11 IL IL47073A patent/IL47073A/xx unknown
- 1975-04-17 FI FI751142A patent/FI751142A/fi not_active Application Discontinuation
- 1975-04-23 YU YU01039/75A patent/YU103975A/xx unknown
- 1975-04-25 GB GB1736975A patent/GB1474145A/en not_active Expired
- 1975-04-28 CH CH541075A patent/CH617642A5/it not_active IP Right Cessation
- 1975-04-28 IE IE946/75A patent/IE41336B1/xx unknown
- 1975-04-29 TR TR19213A patent/TR19213A/xx unknown
- 1975-04-29 BE BE155938A patent/BE828570A/xx unknown
- 1975-05-05 CS CS753094A patent/CS202546B2/cs unknown
- 1975-05-05 PL PL1975180173A patent/PL111038B1/pl unknown
- 1975-05-05 RO RO7582142A patent/RO69366A/ro unknown
- 1975-05-05 DK DK196775A patent/DK196775A/da unknown
- 1975-05-06 SE SE7505290A patent/SE7505290L/xx unknown
- 1975-05-06 NO NO751626A patent/NO751626L/no unknown
- 1975-05-06 FR FR7514128A patent/FR2270209B1/fr not_active Expired
- 1975-05-06 DD DD185871A patent/DD118051A5/xx unknown
- 1975-05-07 ES ES437875A patent/ES437875A1/es not_active Expired
- 1975-05-07 AT AT351775A patent/AT346253B/de not_active IP Right Cessation
- 1975-05-07 DE DE19752520531 patent/DE2520531A1/de active Pending
- 1975-05-07 LU LU72427A patent/LU72427A1/xx unknown
- 1975-05-08 JP JP50054324A patent/JPS50152557A/ja active Pending
- 1975-05-09 NL NL7505514A patent/NL7505514A/nl not_active Application Discontinuation
-
1976
- 1976-05-28 AT AT390876A patent/AT351775B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IE41336B1 (en) | 1979-12-05 |
AT346253B (de) | 1978-11-10 |
IL47073A (en) | 1978-07-31 |
IT1010486B (it) | 1977-01-10 |
LU72427A1 (nl) | 1975-08-26 |
ES437875A1 (es) | 1977-01-01 |
FR2270209B1 (nl) | 1980-04-18 |
PL111038B1 (en) | 1980-08-30 |
DD118051A5 (nl) | 1976-02-12 |
DK196775A (da) | 1975-11-09 |
JPS50152557A (nl) | 1975-12-08 |
NL7505514A (nl) | 1975-11-11 |
BE828570A (fr) | 1975-08-18 |
TR19213A (tr) | 1978-06-07 |
IE41336L (en) | 1975-11-08 |
FI751142A (nl) | 1975-11-09 |
RO69366A (ro) | 1981-07-30 |
YU103975A (en) | 1982-02-28 |
GB1474145A (en) | 1977-05-18 |
SE7505290L (sv) | 1975-11-10 |
FR2270209A1 (nl) | 1975-12-05 |
ATA351775A (de) | 1978-02-15 |
CS202546B2 (en) | 1981-01-30 |
AT351775B (de) | 1978-02-15 |
IL47073A0 (en) | 1975-06-25 |
AU8013875A (en) | 1976-10-21 |
DE2520531A1 (de) | 1975-11-13 |
NO751626L (nl) | 1975-11-11 |
ATA390876A (de) | 1979-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |