ITMI921473A0 - PROCEDURE FOR THE REDUCTION OF METALS IN WASTEWATER FROM DENTAL PRACTICES - Google Patents

PROCEDURE FOR THE REDUCTION OF METALS IN WASTEWATER FROM DENTAL PRACTICES

Info

Publication number
ITMI921473A0
ITMI921473A0 IT92MI1473A ITMI921473A ITMI921473A0 IT MI921473 A0 ITMI921473 A0 IT MI921473A0 IT 92MI1473 A IT92MI1473 A IT 92MI1473A IT MI921473 A ITMI921473 A IT MI921473A IT MI921473 A0 ITMI921473 A0 IT MI921473A0
Authority
IT
Italy
Prior art keywords
wastewater
metals
procedure
reduction
dental practices
Prior art date
Application number
IT92MI1473A
Other languages
Italian (it)
Inventor
Hartmut Braetsch
Michael Grimm
Jurgen Zimmerhackl
Original Assignee
Kaltenbach & Voigt
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 Kaltenbach & Voigt filed Critical Kaltenbach & Voigt
Publication of ITMI921473A0 publication Critical patent/ITMI921473A0/en
Publication of ITMI921473A1 publication Critical patent/ITMI921473A1/en
Application granted granted Critical
Publication of IT1258999B publication Critical patent/IT1258999B/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • 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
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/006—Dental effluents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/12—Prevention of foaming
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/04—Surfactants, used as part of a formulation or alone

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Detergent Compositions (AREA)
ITMI921473A 1991-06-18 1992-06-16 PROCEDURE FOR THE REDUCTION OF HEAVY METALS IN THE WASTEWATER OF DENTAL PRACTICES IT1258999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4120068A DE4120068C2 (en) 1991-06-18 1991-06-18 Method for heavy metal reduction in the wastewater of dental practices

Publications (3)

Publication Number Publication Date
ITMI921473A0 true ITMI921473A0 (en) 1992-06-16
ITMI921473A1 ITMI921473A1 (en) 1993-12-16
IT1258999B IT1258999B (en) 1996-03-11

Family

ID=6434200

Family Applications (2)

Application Number Title Priority Date Filing Date
IT000609U ITMI920609U1 (en) 1991-06-18 1992-06-16 PROCEDURE FOR THE REDUCTION OF HEAVY METALS IN THE WASTEWATER CO OF DENTAL PRACTICES
ITMI921473A IT1258999B (en) 1991-06-18 1992-06-16 PROCEDURE FOR THE REDUCTION OF HEAVY METALS IN THE WASTEWATER OF DENTAL PRACTICES

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT000609U ITMI920609U1 (en) 1991-06-18 1992-06-16 PROCEDURE FOR THE REDUCTION OF HEAVY METALS IN THE WASTEWATER CO OF DENTAL PRACTICES

Country Status (4)

Country Link
JP (1) JPH07102352B2 (en)
CH (1) CH685626A5 (en)
DE (1) DE4120068C2 (en)
IT (2) ITMI920609U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1245101A (en) * 1999-10-28 2001-05-08 Solmetex, Inc. Device and method for treating dental waste streams

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637877A (en) * 1979-08-31 1981-04-11 Nec Corp Page control system
DE3813264A1 (en) * 1987-04-23 1988-11-10 Eck Marcel Robert Dr Med Dent Process and apparatus for purifying waste waters arising in dental treatments
JPS649680U (en) * 1987-07-08 1989-01-19
DE3742063A1 (en) * 1987-12-11 1989-06-22 Varta Batterie METHOD FOR DETOXIFYING SEWAGE CONTAINING ELEMENTAL MERCURY

Also Published As

Publication number Publication date
DE4120068C2 (en) 1995-06-08
ITMI921473A1 (en) 1993-12-16
IT1258999B (en) 1996-03-11
ITMI920609U1 (en) 1992-12-19
JPH05169070A (en) 1993-07-09
DE4120068A1 (en) 1992-12-24
CH685626A5 (en) 1995-08-31
ITMI920609V0 (en) 1992-06-16
JPH07102352B2 (en) 1995-11-08

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970624