FI89508C - Foerfarande foer rostning av sulfidiska malmer - Google Patents
Foerfarande foer rostning av sulfidiska malmer Download PDFInfo
- Publication number
- FI89508C FI89508C FI906201A FI906201A FI89508C FI 89508 C FI89508 C FI 89508C FI 906201 A FI906201 A FI 906201A FI 906201 A FI906201 A FI 906201A FI 89508 C FI89508 C FI 89508C
- Authority
- FI
- Finland
- Prior art keywords
- roasting
- ore
- lime
- calcium
- sulfur
- Prior art date
Links
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 32
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 27
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 27
- 239000004571 lime Substances 0.000 claims description 27
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 24
- 229910052717 sulfur Inorganic materials 0.000 claims description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 14
- 239000011593 sulfur Substances 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 12
- 229910052785 arsenic Inorganic materials 0.000 claims description 11
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 11
- 235000011132 calcium sulphate Nutrition 0.000 claims description 9
- 239000012141 concentrate Substances 0.000 claims description 8
- 239000001175 calcium sulphate Substances 0.000 claims description 7
- 239000010970 precious metal Substances 0.000 claims description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- RMBBSOLAGVEUSI-UHFFFAOYSA-H Calcium arsenate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-][As]([O-])([O-])=O.[O-][As]([O-])([O-])=O RMBBSOLAGVEUSI-UHFFFAOYSA-H 0.000 claims description 2
- 229940103357 calcium arsenate Drugs 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 31
- 239000000292 calcium oxide Substances 0.000 description 17
- 235000012255 calcium oxide Nutrition 0.000 description 17
- 239000002245 particle Substances 0.000 description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 16
- 239000007789 gas Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 14
- 239000011575 calcium Substances 0.000 description 13
- 238000002386 leaching Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000010949 copper Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 description 8
- 235000010216 calcium carbonate Nutrition 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 8
- 229910052737 gold Inorganic materials 0.000 description 8
- 239000010931 gold Substances 0.000 description 8
- 239000002250 absorbent Substances 0.000 description 7
- 230000002745 absorbent Effects 0.000 description 7
- DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical compound [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 6
- 235000019738 Limestone Nutrition 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 229910052925 anhydrite Inorganic materials 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 235000011116 calcium hydroxide Nutrition 0.000 description 4
- 235000010261 calcium sulphite Nutrition 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 4
- 229910052683 pyrite Inorganic materials 0.000 description 4
- 239000011028 pyrite Substances 0.000 description 4
- -1 As203 Chemical class 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001495 arsenic compounds Chemical class 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 3
- 239000004295 calcium sulphite Substances 0.000 description 3
- 229940093920 gynecological arsenic compound Drugs 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 150000004763 sulfides Chemical class 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229940000489 arsenate Drugs 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005670 sulfation reaction Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910003556 H2 SO4 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000005862 Whey Substances 0.000 description 1
- 102000007544 Whey Proteins Human genes 0.000 description 1
- 108010046377 Whey Proteins Proteins 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical class [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- BMWMWYBEJWFCJI-UHFFFAOYSA-K iron(3+);trioxido(oxo)-$l^{5}-arsane Chemical compound [Fe+3].[O-][As]([O-])([O-])=O BMWMWYBEJWFCJI-UHFFFAOYSA-K 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000019635 sulfation Effects 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Claims (5)
1. Menetelmä sellaisten sulfidipitoisten malmien tai malmirikasteiden pasuttamiseksi, jotka sisältävät sekä 5 jalometalleja, jotka myöhemmässä prosessivaiheessa otetaan talteen, että jotakin epäpuhtautta, kuten arsenikkia, jolloin - sulfidipitoinen malmi tai malmirikaste ja rikkidioksidia sitova kalkkipitoinen aine syötetään pasutusuuniin, 10. pasutusuunia jäähdytetään suihkuttamalla siihen jääh dytysvettä, - rikkidioksidi saatetaan reagoimaan rikkiä sitovan aineen kanssa ja - näin syntyvä kalsiumsulfaatti ja pasutuksessa syntyvä 15 pasutustuote poistetaan uunista tunnettu siitä, että kalkkipitoinen aine syötetään pasutusuunin jäähdytysveteen ja jäähdytysvesi syötetään reaktiivisena kalkkipitoisena vesilietteenä pasutusuuniin jäähdyttämään 20 pasutusuuni ja reagoimaan pasutusuunissa muodostuvien rikkidioksidien kanssa muodostaen kalsiumsulfaattia.
2. Patenttivaatimuksen 1 mukainen menetelmä, tunnettu siitä, että kalkkipitoinen vesiliete on kalsiumhydrok- 25 sidilietettä.
3. Patenttivaatimuksen 1 mukainen menetelmä, tunnettu siitä, että kalkkipitoinen vesiliete saatetaan reagoimaan malmista pasutuksessa vapautuvien yhdisteiden, kuten 30 arsenikin, kanssa muodostaen kalsiumarsenaattia.
4. Patenttivaatimuksen 1 mukainen menetelmä, tunnettu siitä, että sulfidipitoinen malmi pasutetaan 600 - 850°C lämpötilassa. 35
5. Patenttivaatimuksen 4 mukainen menetelmä, tunnettu siitä, että sulfidipitoinen malmi pasutetaan 650 - 750°C lämpötilassa.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI906201A FI89508C (fi) | 1990-12-17 | 1990-12-17 | Foerfarande foer rostning av sulfidiska malmer |
| FR9115377A FR2670503A1 (fr) | 1990-12-17 | 1991-12-11 | Procede de grillage de minerais sulfures. |
| AU89622/91A AU639623B2 (en) | 1990-12-17 | 1991-12-12 | Method for roasting sulphide ores |
| US07/808,720 US5254320A (en) | 1990-12-17 | 1991-12-17 | Method for roasting sulphide ores |
| DE4141647A DE4141647A1 (de) | 1990-12-17 | 1991-12-17 | Verfahren zum roesten von sulfidischen erzen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI906201A FI89508C (fi) | 1990-12-17 | 1990-12-17 | Foerfarande foer rostning av sulfidiska malmer |
| FI906201 | 1990-12-17 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI906201A0 FI906201A0 (fi) | 1990-12-17 |
| FI906201L FI906201L (fi) | 1992-06-18 |
| FI89508B FI89508B (fi) | 1993-06-30 |
| FI89508C true FI89508C (fi) | 1993-10-11 |
Family
ID=8531586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI906201A FI89508C (fi) | 1990-12-17 | 1990-12-17 | Foerfarande foer rostning av sulfidiska malmer |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5254320A (fi) |
| AU (1) | AU639623B2 (fi) |
| DE (1) | DE4141647A1 (fi) |
| FI (1) | FI89508C (fi) |
| FR (1) | FR2670503A1 (fi) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6482373B1 (en) * | 1991-04-12 | 2002-11-19 | Newmont Usa Limited | Process for treating ore having recoverable metal values including arsenic containing components |
| ZA926237B (en) * | 1991-09-25 | 1993-03-03 | Bhp Utah Int Inc | Sulfide roasting with lime. |
| DE19546538A1 (de) * | 1995-12-13 | 1997-06-19 | Metallgesellschaft Ag | Verfahren zur thermischen Behandlung refraktärer Golderze |
| PE20080719A1 (es) * | 2006-09-20 | 2008-07-19 | Hw Advanced Technologies Inc | Proceso para recuperar un metal seleccionado a partir de un material que contiene sulfuros |
| CN102125887B (zh) * | 2010-10-15 | 2012-10-03 | 韩诗武 | 铜矿石筛选分离铜合金的方法 |
| JP2014205869A (ja) * | 2013-04-11 | 2014-10-30 | Jx日鉱日石金属株式会社 | 前処理後の金鉱石 |
| CN106435163A (zh) * | 2016-11-22 | 2017-02-22 | 江苏省冶金设计院有限公司 | 一种磨矿磁选处理硫铁矿的系统和方法 |
| CN115449644B (zh) * | 2022-10-20 | 2024-03-12 | 东北大学 | 一种含硫碳质金矿分段固硫氧化悬浮焙烧提金系统及方法 |
| CN115537573B (zh) * | 2022-10-27 | 2023-11-24 | 东北大学 | 一种含碳金矿分段微波焙烧-氰化提金系统 |
| WO2025043273A1 (en) * | 2023-08-25 | 2025-03-06 | Minetometal Pty Ltd | Recovering metal values from complex concentrates |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA539882A (en) * | 1957-04-23 | A. Fischer Francois | Roasting of arsenopyrite ores | |
| US1377012A (en) * | 1918-05-10 | 1921-05-03 | American Smelting Refining | Process of recovering sulfur dioxid |
| GB677050A (en) * | 1949-11-23 | 1952-08-06 | Dorr Co | Roasting of arsenopyrite gold-bearing ores |
| US2650159A (en) * | 1949-11-23 | 1953-08-25 | Dorr Co | Treating arsenical gold ores |
| AT374209B (de) * | 1982-02-24 | 1984-03-26 | Voest Alpine Ag | Verfahren zum aufschliessen sulfidischer rohstoffe |
| NO157181C (no) * | 1983-09-21 | 1988-02-03 | Megon & Co As | Fremgangsmaate for utvinning av sjeldne jordmetaller fra et karbonholdig raamateriale. |
| CA1234696A (en) * | 1985-03-20 | 1988-04-05 | Grigori S. Victorovich | Metallurgical process iii |
| SE451158B (sv) * | 1985-12-20 | 1987-09-07 | Asea Stal Ab | Sett att forbettra utnyttjningen av en svavelabsorbent i en kraftanleggning med fluidiserad bedd samt kraftanleggning for utnyttjning av settet |
| SE457014B (sv) * | 1987-03-25 | 1988-11-21 | Abb Stal Ab | Saett att foerbaettra utnyttjningen av svavelabsorbent vid foerbraenning i en fluidiserad baedd och en kraftanlaeggning med foerbraenning i fluidiserad baedd |
| DE3814127A1 (de) * | 1987-10-02 | 1989-11-09 | Gfr Aufbereitung Reststoffe | Verfahren zur sinterroestung von sulfidischen erzen |
| FI83670C (fi) * | 1988-03-30 | 1991-08-12 | Ahlstroem Oy | Foerreduktion av metalloxidhaltigt material. |
| CA2004475A1 (en) * | 1989-12-04 | 1991-06-04 | Gordon Edward Agar | Metal recovery |
-
1990
- 1990-12-17 FI FI906201A patent/FI89508C/fi not_active IP Right Cessation
-
1991
- 1991-12-11 FR FR9115377A patent/FR2670503A1/fr active Pending
- 1991-12-12 AU AU89622/91A patent/AU639623B2/en not_active Ceased
- 1991-12-17 US US07/808,720 patent/US5254320A/en not_active Expired - Fee Related
- 1991-12-17 DE DE4141647A patent/DE4141647A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR2670503A1 (fr) | 1992-06-19 |
| FI906201A0 (fi) | 1990-12-17 |
| DE4141647A1 (de) | 1992-08-20 |
| US5254320A (en) | 1993-10-19 |
| AU639623B2 (en) | 1993-07-29 |
| FI89508B (fi) | 1993-06-30 |
| FI906201L (fi) | 1992-06-18 |
| AU8962291A (en) | 1992-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: A. AHLSTROM CORPORATION |