CA1031875A - Process for removing mercury and mercury salts from liquid effluents - Google Patents

Process for removing mercury and mercury salts from liquid effluents

Info

Publication number
CA1031875A
CA1031875A CA206,637A CA206637A CA1031875A CA 1031875 A CA1031875 A CA 1031875A CA 206637 A CA206637 A CA 206637A CA 1031875 A CA1031875 A CA 1031875A
Authority
CA
Canada
Prior art keywords
mercury
liquid effluents
salts
removing mercury
mercury salts
Prior art date
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
Application number
CA206,637A
Other languages
English (en)
French (fr)
Other versions
CA206637S (en
Inventor
Germano Patron
Giuseppe Tubiello
Gianluigi Ratti
Domenico Napoli
Franco Nardone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montedison SpA
Original Assignee
Montedison 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
Priority claimed from IT2771673A external-priority patent/IT995170B/it
Priority claimed from IT2771573A external-priority patent/IT998338B/it
Application filed by Montedison SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of CA1031875A publication Critical patent/CA1031875A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G13/00Compounds of mercury
    • 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
    • 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
    • C02F1/5272Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
    • 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
    • C02F1/58Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • 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
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/902Materials removed
    • Y10S210/911Cumulative poison
    • Y10S210/912Heavy metal
    • Y10S210/914Mercury

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA206,637A 1973-08-09 1974-08-06 Process for removing mercury and mercury salts from liquid effluents Expired CA1031875A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2771673A IT995170B (it) 1973-08-09 1973-08-09 Procedimento per l eliminazione del mercurio da effluenti liquidi
IT2771573A IT998338B (it) 1973-08-09 1973-08-09 Procedimento per l eliminazione del mercurio da effluenti liquidi

Publications (1)

Publication Number Publication Date
CA1031875A true CA1031875A (en) 1978-05-23

Family

ID=26328742

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,637A Expired CA1031875A (en) 1973-08-09 1974-08-06 Process for removing mercury and mercury salts from liquid effluents

Country Status (10)

Country Link
US (1) US4087359A (de)
JP (1) JPS5741991B2 (de)
BE (1) BE818695A (de)
CA (1) CA1031875A (de)
DE (1) DE2437779A1 (de)
ES (1) ES429069A1 (de)
FR (1) FR2240192A1 (de)
NL (1) NL178962C (de)
SE (1) SE399869B (de)
SU (1) SU865124A3 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE399869B (sv) * 1973-08-09 1978-03-06 Montedison Spa Sett att avlegsna kvicksilver eller kvicksilversalter fran ett vetskeavflode medelst tiokarbamid eller ett hydroxyl-aminsalt
US4549973A (en) * 1983-04-25 1985-10-29 Ethyl Corporation Decolorization of calcium bromide brines
DE3839222A1 (de) * 1988-11-19 1990-05-23 Degussa Verwendung von substituierten thioharnstoffen zur abtrennung komplex gebundener schwermetallionen
DE4013974C1 (de) * 1990-04-30 1991-09-19 Guenter Dipl.-Ing. 5100 Aachen De Straten
US6797178B2 (en) * 2000-03-24 2004-09-28 Ada Technologies, Inc. Method for removing mercury and mercuric compounds from dental effluents
US6911570B2 (en) 2000-11-28 2005-06-28 Ada Technologies, Inc. Method for fixating sludges and soils contaminated with mercury and other heavy metals
US7048781B1 (en) 2002-10-07 2006-05-23 Ada Technologies, Inc. Chemically-impregnated silicate agents for mercury control
US6942840B1 (en) 2001-09-24 2005-09-13 Ada Technologies, Inc. Method for removal and stabilization of mercury in mercury-containing gas streams
US7183235B2 (en) * 2002-06-21 2007-02-27 Ada Technologies, Inc. High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water
DE10336534A1 (de) * 2003-08-05 2005-02-24 Stockhausen Gmbh Verfahren zur Verminderung der Schwermetallkonzentration in Abwasseraufbereitungsschlämmen
WO2005032394A2 (en) * 2003-10-01 2005-04-14 Ada Technologies, Inc. System for removing mercury and mercuric compounds from dental wastes
JP5889059B2 (ja) * 2011-04-04 2016-03-22 アークレイ株式会社 金属の回収方法
WO2013117996A1 (en) * 2012-02-10 2013-08-15 Kemira Oyj Processes for the removal of metals and oxyanions from aqueous streams
EP2746230A1 (de) * 2012-12-18 2014-06-25 Total SA Verfahren zum Entfernen von Quecksilber aus Produktionswasser und Kondensaten
CA3082354A1 (en) * 2017-11-10 2019-05-16 Reticle Inc. Methods of treating water to remove contaminants and water treatment plants for the practice thereof
CN110642447A (zh) * 2019-09-12 2020-01-03 上海申欣环保实业有限公司 废水脱氯除汞的方法及处理设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3369886A (en) * 1964-09-23 1968-02-20 Exxon Research Engineering Co Process of producing finely divided metals and alloys
US3377274A (en) * 1965-01-05 1968-04-09 Nalco Chemical Co Method of coagulation of low turbidity water
US3476552A (en) * 1966-09-07 1969-11-04 Mountain Copper Co Of Californ Mercury process
DE1954828B2 (de) * 1969-10-31 1974-07-18 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Verringerung der Quecksilber-Verluste bei der Chlor-Alkali-Elektrolyse nach dem Amalgam-Verfahren
DE2057358C3 (de) * 1970-11-21 1975-10-02 Friedrich Uhde Gmbh, 4600 Dortmund Verfahren zur Aufarbeitung von Abwasser mit Quecksilber-Verunreinigungen
US3674428A (en) * 1970-12-22 1972-07-04 Ppg Industries Inc Mercury removal
US3847598A (en) * 1970-12-31 1974-11-12 Bp Chem Int Ltd Mercury recovery process
US3857704A (en) * 1971-03-05 1974-12-31 Bp Chem Int Ltd Mercury recovery process
US3764495A (en) * 1971-04-21 1973-10-09 Allied Chem Removal of mercury from caustic solutions
US3740331A (en) * 1971-06-23 1973-06-19 Sybron Corp Method for precipitation of heavy metal sulfides
JPS5112188B2 (de) * 1972-03-02 1976-04-16
SE399869B (sv) * 1973-08-09 1978-03-06 Montedison Spa Sett att avlegsna kvicksilver eller kvicksilversalter fran ett vetskeavflode medelst tiokarbamid eller ett hydroxyl-aminsalt
FR2291156A1 (fr) * 1974-11-18 1976-06-11 Potasse & Produits Chimiques Procede de demercurisation de liqueurs ou de solutions polluees

Also Published As

Publication number Publication date
NL178962C (nl) 1986-06-16
FR2240192B1 (de) 1979-02-09
JPS5044976A (de) 1975-04-22
JPS5741991B2 (de) 1982-09-06
NL178962B (nl) 1986-01-16
SE399869B (sv) 1978-03-06
DE2437779A1 (de) 1975-02-20
SU865124A3 (ru) 1981-09-15
US4087359A (en) 1978-05-02
BE818695A (fr) 1975-02-10
ES429069A1 (es) 1977-01-16
NL7410471A (nl) 1975-02-11
FR2240192A1 (en) 1975-03-07
SE7410019L (de) 1975-02-10

Similar Documents

Publication Publication Date Title
CA1001892A (en) Method and apparatus for dewatering sludge
CA1017027A (en) Liquid level indicating apparatus
CA1031297A (en) System for treating sludge
CA1021478A (en) Waste treatment process
AU517254B2 (en) Process for contacting substances
CA974337A (en) Process and apparatus for removing mercury from waste water
CA1016081A (en) Sludge removal apparatus
CA1021076A (en) Non-bulking activated sludge process
CA1031875A (en) Process for removing mercury and mercury salts from liquid effluents
CA1023883A (en) Process and apparatus for physically and biologically purifying sewage
ZA762295B (en) Method for the removal of mercury from sludges containing same
CA1032277A (en) Sewage treatment method and apparatus
SG4983G (en) Apparatus for removing solid material from sewage or other liquid
IL50556A (en) Method for the removal of metalicc mercury from effluents
CA1022317A (en) Method and apparatus for removing impurities from a liquid
CA1025801A (en) Process for the purification of waste waters
AU4898572A (en) Apparatus for drying sewage sludge
CA1014283A (en) Process and device for the aereation of waste water
CA1033308A (en) Floating-matter removing apparatus
CA1021477A (en) Liquid waste treatment apparatus
IL43057A0 (en) Process and apparatus for removing ions from fluids
AU2042176A (en) Process for the removal of mercury from waste waters
CA999718A (en) Method and apparatus for purifying fluids
ZA735666B (en) Process and apparatus for removing ions from fluids
CS182947B1 (en) Sludge removal apparatus