CH617642A5 - Process for purifying effluents containing heavy metal compounds - Google Patents

Process for purifying effluents containing heavy metal compounds Download PDF

Info

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
Application number
CH541075A
Other languages
English (en)
Italian (it)
Inventor
Carlo Piccinini
Fabio Federici
Original Assignee
Tecneco Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tecneco Spa filed Critical Tecneco Spa
Publication of CH617642A5 publication Critical patent/CH617642A5/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/70Treatment of water, waste water, or sewage by reduction
    • C02F1/705Reduction by metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/46Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/467Foam spreading or levelling devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/58Moulds
    • B29C44/588Moulds with means for venting, e.g. releasing foaming gas
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/10Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006Degassing 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)
CH541075A 1974-05-08 1975-04-28 Process for purifying effluents containing heavy metal compounds CH617642A5 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177656B1 (nl) * 1972-03-31 1979-02-16 Lewandowski Raymond

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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