RO69366A - PROCEDURE FOR WASTE WATER PURIFICATION - Google Patents

PROCEDURE FOR WASTE WATER PURIFICATION

Info

Publication number
RO69366A
RO69366A RO7582142A RO8214275A RO69366A RO 69366 A RO69366 A RO 69366A RO 7582142 A RO7582142 A RO 7582142A RO 8214275 A RO8214275 A RO 8214275A RO 69366 A RO69366 A RO 69366A
Authority
RO
Romania
Prior art keywords
procedure
waste water
water purification
purification
waste
Prior art date
Application number
RO7582142A
Other languages
French (fr)
Romanian (ro)
Inventor
Carlo Piocinini
Fabio Federici
Original Assignee
Tecneco Spa Fane,It
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 Fane,It filed Critical Tecneco Spa Fane,It
Publication of RO69366A publication Critical patent/RO69366A/en

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)
RO7582142A 1974-05-08 1975-05-05 PROCEDURE FOR WASTE WATER PURIFICATION RO69366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22396/74A IT1010486B (en) 1974-05-08 1974-05-08 PROCEDURE FOR THE PURIFICATION OF WASTE WATER

Publications (1)

Publication Number Publication Date
RO69366A true RO69366A (en) 1981-07-30

Family

ID=11195718

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7582142A RO69366A (en) 1974-05-08 1975-05-05 PROCEDURE FOR WASTE WATER PURIFICATION

Country Status (23)

Country Link
JP (1) JPS50152557A (en)
AT (2) AT346253B (en)
BE (1) BE828570A (en)
CH (1) CH617642A5 (en)
CS (1) CS202546B2 (en)
DD (1) DD118051A5 (en)
DE (1) DE2520531A1 (en)
DK (1) DK196775A (en)
ES (1) ES437875A1 (en)
FI (1) FI751142A (en)
FR (1) FR2270209B1 (en)
GB (1) GB1474145A (en)
IE (1) IE41336B1 (en)
IL (1) IL47073A (en)
IT (1) IT1010486B (en)
LU (1) LU72427A1 (en)
NL (1) NL7505514A (en)
NO (1) NO751626L (en)
PL (1) PL111038B1 (en)
RO (1) RO69366A (en)
SE (1) SE7505290L (en)
TR (1) TR19213A (en)
YU (1) YU103975A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613128C2 (en) * 1976-03-27 1982-03-04 Hoechst Ag, 6000 Frankfurt Process for reducing the mercury content of industrial wastewater
IT8348501A0 (en) * 1982-06-16 1983-06-14 Occidental Chem Co APPARATUS AND PROCEDURE FOR REMOVING COPPER IONS FROM AN AQUEOUS SOLUTION
DE3411228C1 (en) * 1984-03-27 1985-05-30 Du Pont de Nemours (Deutschland) GmbH, 4000 Düsseldorf Process for the environmentally friendly purification of photographic wash water from film processing machines and apparatus for carrying out the process
DE4217987A1 (en) * 1992-05-30 1993-12-02 Battelle Institut E V Removal and recovery of heavy metals from earth, sludges and waterways - by amalgamation and sedimentation of esp. mercury@, nickel@ and cobalt@ and their cpds., by addn. of powered zinc@ or aluminium@
EP0660804B1 (en) * 1992-09-18 1997-02-26 Krüger A/S Method for the purification of metal-containing aqueous media and method of preparing an adsorbent
DE102007045337B4 (en) * 2007-09-22 2021-01-07 Bayerische Motoren Werke Aktiengesellschaft Procedure for protection against dust containing chromium (VI)

Family Cites Families (1)

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

Also Published As

Publication number Publication date
YU103975A (en) 1982-02-28
FR2270209A1 (en) 1975-12-05
DK196775A (en) 1975-11-09
SE7505290L (en) 1975-11-10
LU72427A1 (en) 1975-08-26
AT346253B (en) 1978-11-10
IL47073A (en) 1978-07-31
IT1010486B (en) 1977-01-10
NO751626L (en) 1975-11-11
DD118051A5 (en) 1976-02-12
IL47073A0 (en) 1975-06-25
ATA390876A (en) 1979-01-15
FR2270209B1 (en) 1980-04-18
AT351775B (en) 1978-02-15
AU8013875A (en) 1976-10-21
GB1474145A (en) 1977-05-18
CS202546B2 (en) 1981-01-30
JPS50152557A (en) 1975-12-08
BE828570A (en) 1975-08-18
ATA351775A (en) 1978-02-15
FI751142A (en) 1975-11-09
IE41336L (en) 1975-11-08
ES437875A1 (en) 1977-01-01
PL111038B1 (en) 1980-08-30
NL7505514A (en) 1975-11-11
IE41336B1 (en) 1979-12-05
CH617642A5 (en) 1980-06-13
DE2520531A1 (en) 1975-11-13
TR19213A (en) 1978-06-07

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