GB1282625A - A process in the roasting of ore for removing quantities of tin contained therein - Google Patents

A process in the roasting of ore for removing quantities of tin contained therein

Info

Publication number
GB1282625A
GB1282625A GB4192569A GB4192569A GB1282625A GB 1282625 A GB1282625 A GB 1282625A GB 4192569 A GB4192569 A GB 4192569A GB 4192569 A GB4192569 A GB 4192569A GB 1282625 A GB1282625 A GB 1282625A
Authority
GB
United Kingdom
Prior art keywords
ore
gas
tin
furnace
oxygen
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
GB4192569A
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.)
Boliden AB
Original Assignee
Boliden AB
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 Boliden AB filed Critical Boliden AB
Publication of GB1282625A publication Critical patent/GB1282625A/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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/16—Dry methods smelting of sulfides or formation of mattes with volatilisation or condensation of the metal being produced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • 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
    • C22B25/00—Obtaining tin

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

1282625 Removing tin from ores as sulphide BOLIDEN AB 22 Aug 1969 [2 Sept 1968] 41925/69 Heading C1A The tin content of an ore (which bears iron sulphide or is mixed with iron sulphide in finely divided form) is volatilized in a furnace into which the ore is introduced and is suspended therein in a gas stream which consists of oxygen, the gas stream being introduced at such quantities and at such concentration that the partial pressure of oxygen in the resulting roaster gas is defined by a pair of curves (Fig. 1, not shown) relating partial pressure to temperature whereafter the roasted ore is separated from the roaster gas at such a temperature that the tin compounds exist in gas form. The partial pressure of oxygen may vary from 10<SP>-15</SP> to 10<SP>-5</SP> atms. at temperatures of 700-1100‹ C. Thus tin is separated as SnS, the FeS is converted to e.g. magnetite, and any elemental sulphur in the gas stream after separation of solid material therefrom (e.g. in a hot cyclone) may be oxidized to SO 2 which may be further converted to H 2 SO 4 . The SnS is removed from the roaster gas by e.g. cooling and washing with water in a washing tower. The furnace used may be a fluidizing furnace; and oxidic iron material may also be introduced to the furnace.
GB4192569A 1968-09-02 1969-08-22 A process in the roasting of ore for removing quantities of tin contained therein Expired GB1282625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1177968A SE328707B (en) 1968-09-02 1968-09-02

Publications (1)

Publication Number Publication Date
GB1282625A true GB1282625A (en) 1972-07-19

Family

ID=20294610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4192569A Expired GB1282625A (en) 1968-09-02 1969-08-22 A process in the roasting of ore for removing quantities of tin contained therein

Country Status (9)

Country Link
JP (1) JPS4920698B1 (en)
BE (1) BE738240A (en)
DE (1) DE1943851A1 (en)
ES (1) ES371096A1 (en)
FR (1) FR2017219B1 (en)
GB (1) GB1282625A (en)
NL (1) NL6913382A (en)
SE (1) SE328707B (en)
YU (1) YU33293B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102925673A (en) * 2012-10-29 2013-02-13 云南锡业集团有限责任公司研究设计院 Method for treating high-iron low-tin ores
CN103088181A (en) * 2013-01-18 2013-05-08 昆明理工大学 Method for obtaining sponge iron by treating high-iron low-tin ore by sulfurizing volatilization direct-reduction process
CN103103340A (en) * 2013-01-18 2013-05-15 昆明理工大学 Method for treating high iron low tin ore by sulfiding volatilizing-magnetizing roasting method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60126424U (en) * 1984-02-03 1985-08-26 関西日本電気株式会社 positioning device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102925673A (en) * 2012-10-29 2013-02-13 云南锡业集团有限责任公司研究设计院 Method for treating high-iron low-tin ores
CN103088181A (en) * 2013-01-18 2013-05-08 昆明理工大学 Method for obtaining sponge iron by treating high-iron low-tin ore by sulfurizing volatilization direct-reduction process
CN103103340A (en) * 2013-01-18 2013-05-15 昆明理工大学 Method for treating high iron low tin ore by sulfiding volatilizing-magnetizing roasting method

Also Published As

Publication number Publication date
NL6913382A (en) 1970-03-04
YU33293B (en) 1976-08-31
DE1943851A1 (en) 1970-03-12
JPS4920698B1 (en) 1974-05-27
SE328707B (en) 1970-09-21
FR2017219A1 (en) 1970-05-22
BE738240A (en) 1970-02-02
ES371096A1 (en) 1971-08-16
YU224269A (en) 1976-03-31
FR2017219B1 (en) 1975-09-26

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees