GB1417541A - Process for the extraction of mercury from gases - Google Patents

Process for the extraction of mercury from gases

Info

Publication number
GB1417541A
GB1417541A GB504774A GB504774A GB1417541A GB 1417541 A GB1417541 A GB 1417541A GB 504774 A GB504774 A GB 504774A GB 504774 A GB504774 A GB 504774A GB 1417541 A GB1417541 A GB 1417541A
Authority
GB
United Kingdom
Prior art keywords
mercury
gas
gases
sulphide
precipitated
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
GB504774A
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.)
Preussag AG Metall
Original Assignee
Preussag AG Metall
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 Preussag AG Metall filed Critical Preussag AG Metall
Publication of GB1417541A publication Critical patent/GB1417541A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B43/00—Obtaining mercury
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/64—Heavy metals or compounds thereof, e.g. mercury
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

1417541 Removal of mercury from gases PREUSSAG METALL AG 4 Feb 1974 [5 Feb 1973] 05047/74 Heading C1A A gas stream is freed from vapour of free or combined mercury by reacting the mercurycontaining gases, in the presence of SO 2 and condensing H 2 O vapour, with nascent sulphur formed from H 2 S or a compound that generates H 2 S, to form solid mercury sulphide which is then precipitated from the gases. The H 2 S may be formed by adding a sulphide, e.g. sodium sulphide, to the gas stream. The gas may be at 10-70‹ C. when the mercury sulphide is formed. The precipitate may be removed by washing, with or without the aid of wet electro-filters. Any colloidal HgS formed is removed by adsorbing on to a solid substrate and precipitating as before. The precipitates are processed to yield metallic mercury. Sulphuric acid prepared from the SO 2 thus purified has a considerably lower mercury content than H 2 SO 4 not so prepared, e.g. 0À5 p.p.m. compared to 60-80 p.p.m. In one embodiment (Fig. 1), gas at 1000‹ C. from the roasting of sulphidic zinc ore in a furnace (2) is cooled progressively in units 3 and 6 to a temperature of 50-70‹ C., and finally to 30-40‹ C. in unit 9. Dust is precipitated in the cyclone 4 and a hot gas electrofilter (5); the filtered gas is then washed with recycled dilute H 2 SO 4 solution in washing tower 7. Injection of H 2 S or a source thereof, e.g. Na 2 S, at 14, produces HgS particles which are precipitated in the wet electro-filters 8 and 10.
GB504774A 1973-02-05 1974-02-04 Process for the extraction of mercury from gases Expired GB1417541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2305522A DE2305522C2 (en) 1973-02-05 1973-02-05 Process for the extraction of mercury from roasting gases containing SO2

Publications (1)

Publication Number Publication Date
GB1417541A true GB1417541A (en) 1975-12-10

Family

ID=5870962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB504774A Expired GB1417541A (en) 1973-02-05 1974-02-04 Process for the extraction of mercury from gases

Country Status (10)

Country Link
BE (1) BE810425A (en)
DE (1) DE2305522C2 (en)
ES (1) ES422905A1 (en)
FI (1) FI55300C (en)
FR (1) FR2216357B1 (en)
GB (1) GB1417541A (en)
IT (1) IT1002841B (en)
NL (1) NL167202C (en)
NO (1) NO136053C (en)
SE (1) SE404033B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0454885A1 (en) * 1990-05-02 1991-11-06 Ftu Gmbh Process for purification of gases and exhaust gases from pollutants
CN109248549A (en) * 2018-11-13 2019-01-22 中南大学 A method of using the washing removing of superfine nano sulphur solution containing Elemental Mercury in mercury gas
CN113058376A (en) * 2021-04-09 2021-07-02 中国科学院过程工程研究所 Device and method for recycling mercury in smelting flue gas

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2098181B1 (en) * 1994-10-26 1997-12-01 Asturiana De Zinc Sa PROCEDURE FOR OBTAINING METAL MERCURY FROM PRODUCTS CONTAINING MERCURY CHLORIDE.
ES2097699B1 (en) * 1994-10-26 1997-12-16 Asturiana De Zinc Sa CONTINUOUS PROCEDURE FOR THE SIMULTANEOUS COLLECTION AND PRECIPITATION OF MERCURY IN GASES CONTAINING IT.
EP2308802B1 (en) * 2007-12-19 2016-03-02 NQR Nordische Quecksilber Rückgewinnung GmbH Method and device for manufacturing mercy sulphide for subsequent disposal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257776A (en) * 1963-01-28 1966-06-28 Allied Chem Process for reducing the concentration of mercury in hydrogen gas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0454885A1 (en) * 1990-05-02 1991-11-06 Ftu Gmbh Process for purification of gases and exhaust gases from pollutants
CN109248549A (en) * 2018-11-13 2019-01-22 中南大学 A method of using the washing removing of superfine nano sulphur solution containing Elemental Mercury in mercury gas
CN113058376A (en) * 2021-04-09 2021-07-02 中国科学院过程工程研究所 Device and method for recycling mercury in smelting flue gas

Also Published As

Publication number Publication date
BE810425A (en) 1974-05-16
NL167202B (en) 1981-06-16
ES422905A1 (en) 1976-05-01
SE404033B (en) 1978-09-18
FI55300C (en) 1979-07-10
DE2305522C2 (en) 1979-06-28
NL7401190A (en) 1974-08-07
DE2305522B1 (en) 1974-04-04
FI55300B (en) 1979-03-30
FR2216357A1 (en) 1974-08-30
NL167202C (en) 1981-11-16
NO136053B (en) 1977-04-04
NO136053C (en) 1977-07-13
FR2216357B1 (en) 1977-08-19
NO740337L (en) 1974-08-06
IT1002841B (en) 1976-05-20

Similar Documents

Publication Publication Date Title
ES8201503A1 (en) Semicontinuous process for the manufacture of pure silicon.
CN110029218B (en) Comprehensive utilization method of gold mine cyanide-containing tailing slag
JPS6124329B2 (en)
GB1515779A (en) Method for recovering non-ferrous metals from sulphidic materials
GB1417541A (en) Process for the extraction of mercury from gases
ES449321A1 (en) Process for recovering silver from residues containing silver and lead
CN104805297A (en) Method for recovering selenium, mercury, gold and silver from acid sludge
US3536479A (en) Method for the production of high purity osmium
US1565353A (en) Treatment of iron sulphide ores containing other metals
JPH0216247B2 (en)
US2264337A (en) Metallurgy of zinc fumes and other powdery metalliferous material containing zinc and other metals
GB1392523A (en) Process for producing high purity solutions of ferrous sulphate
US4401632A (en) Recovery of arsenic from flue dust
Kangas et al. Smelter gases yield Mercury
US1134846A (en) Process of preventing the escape of sulfur dioxid in smelting sulfid ores.
US2382565A (en) Recovery of material from roaster gases
ATE38060T1 (en) PROCESS FOR RECOVERING VALUABLE METALS FROM BURNING OF NORMAL OR COMPLEX PYRITE.
US1430271A (en) Treatment of zinc-lead fume
US1896876A (en) Process of recovering mercury
US1737888A (en) Treatment of ores
US723949A (en) Process of separating copper from ores.
US1435303A (en) Process for the removal of the impurities from tin ore before the ore is smelted
SU137261A1 (en) A method of processing lead dust and lead deboning
US3032389A (en) Separation of lithium from lithium bearing micas and amblygonite
US1962602A (en) Process of smelting pyritic ores containing arsenic

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee