US296116A - Process of roasting and disintegrating gold - Google Patents
Process of roasting and disintegrating gold Download PDFInfo
- Publication number
- US296116A US296116A US296116DA US296116A US 296116 A US296116 A US 296116A US 296116D A US296116D A US 296116DA US 296116 A US296116 A US 296116A
- Authority
- US
- United States
- Prior art keywords
- ores
- roasting
- lime
- gold
- bath
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title description 6
- 229910052737 gold Inorganic materials 0.000 title description 6
- 239000010931 gold Substances 0.000 title description 6
- 235000002639 sodium chloride Nutrition 0.000 description 26
- 239000011780 sodium chloride Substances 0.000 description 26
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 22
- 235000015450 Tilia cordata Nutrition 0.000 description 22
- 235000011941 Tilia x europaea Nutrition 0.000 description 22
- 239000004571 lime Substances 0.000 description 22
- 150000003839 salts Chemical class 0.000 description 14
- 239000003610 charcoal Substances 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- NNFCIKHAZHQZJG-UHFFFAOYSA-N Potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 8
- 238000005267 amalgamation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000010970 precious metal Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N Calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 235000010333 potassium nitrate Nutrition 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
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
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
Definitions
- My invention relates to certain improvements in the treatment of ores containing fluxing or slagging, and prepares the ores for av more perfect and effectual amalgamation,
- To this endmy invention consists in mechanically combining the broken ores which have been crushed and reduced to requisite fineness with abulk of broken or pulverized charcoal or other carbonaceous substance, and any salt of. lime, preferablythe hydrate, or any 1 s calcareous, aluminous, or magnesian material, and in combinationwith one or more of the following substances: common salt, saltpeter,
- coal or other carbonaceous material and lime through a suitable aperture into the upper end, say, of a reverberatory furnace having,
- an inclined' hearth or in any suitable furnace, and then subjected to a gradual roast by impinging upon the mass the heat or flame derived from a fire made from wood or any suitable material, the important feature being to gradually raise the temperature of the ore as high as possible without and their character may suggest by approaching the same nearer to the fire located at the other end of the furnace, and is accomplished ordinarily in reverberatory furnaces by rakes or other tools made and used for that purpose.
- lime and charcoal in the roast assists materially as a desulphurizer, attacking the bases with energy and by chemicaltransformation throwing them into a harmless condition, shortening the time required for roasting, while the lime and charcoal act as absorbents and prevent
- I may use the combination of. lime and charcoal, as specified, I am not to be restricted to their combined use with all classes of ores in the manner referred to 5 but I may defer using either of these materials when they or their equivalents are found in natural combination with the ores themselves-that is to say, for instance, when ores'contain sufficient lime in themselves I may simply use the charcoal therewith, with salt or equivalent, and when ores require less heat I may use the lime alone with the ores, with salt or equivalent.
- sulphate of copper prepared in the following manner: Within a vat or car made of suitable dimensions and used for receiving the discharge, I form a solution of common salt,
- WVhile'I may use this combination pref- 5o erably as a whole, I may also use them separately or in following quantities, to wit: say one pound of the cyanide of potassium to a sufficient quantity of water to cover the ore, salt being added to saturation, or in accord- 5 ance with the quality and refractory condition of the ore to be treated.
- I may use any saline, alkaline, or acidulated bath, singly or in combination, as while some ores are successfully treated in one solution other ores may require and be more advantageously treated in a solution composed of different ingredients.
- the action of the roast, in combination with this bath, upon the heated ores effects their disintegration, leaving them in a friable condition, in which they are readily crumbled or pulverized, thereby effecting a more complete separation of the bases, setting free the precious metals, and leaving the ores in condition for amalgamation.
- WVhat I claim is The process herein described of preparing refractory ores for amalgamation, consisting in combining therewith lime, carbon, and common salt, or equivalents, roasting the mixture, and then subjecting the same to a suitable bath, substantially as described.
- GEO G. HULL, MARTIN SCHULTZ.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
1 precious metals, more especially those having ,20 I possible, and all is designed to improve upon UNITED STATES {PATENT OFFICE DAVID WALTON BIRMINGHAM, orcLIF'roN, NEW YORK.
PROCESS OF ROASTING AND DISIN TEGRATING GOLD, SILVER, AND COPPER ORES.
. SPECIFICATION forming part of Letters Patent No. 296,116 dated April 1, 1884.
Application filed November 6, 1883. a (No specimens To aZZ whom it may concern:
Be it known that I, DAVID WALTON BIR- MINGH M, a citizen of the United States, residing at Glifton, in the county of Richmond and State of New York, have invented new and useful Improvements in Process of Roasting and Disintegrating Gold, Silver, and Copper Ores, of which the following is a specification.
My invention relates to certain improvements in the treatment of ores containing fluxing or slagging, and prepares the ores for av more perfect and effectual amalgamation,
whereby I obtain a higher percentage of value from a given quantity of ore than is otherwise the invention set forth in my Reissued Letters Patent No. 10,400, dated November 6,1883.
To this endmy invention consists in mechanically combining the broken ores which have been crushed and reduced to requisite fineness with abulk of broken or pulverized charcoal or other carbonaceous substance, and any salt of. lime, preferablythe hydrate, or any 1 s calcareous, aluminous, or magnesian material, and in combinationwith one or more of the following substances: common salt, saltpeter,
i or anyform of nitrates, manganese, sulphate I of iron, sulphate of copper, and roasting the said ores so combined in a reverberatory or other furnace suitable for the purpose, and subsequently subjecting the charge, while heated, to a bath of water, but preferably of a solution of common salt, cyanide of potassium, and sulphate of copper, or to any suitable bath of an acidulated, saline, or alkaline solution, according to the refractory bases of the ore, and which bath may be applied to the in the proportion, say, of about one bushel (more or less) of each to one ton of the ore. While I may use any form of lime or its equivalent for this purpose, the hydrate is to be preferred, and although the proportions of the lime to the charcoal nrentioned may be taken as the standard, it should be noted that this is subject to variation according to the fusible character of the ore under-treatment, the fu sion of which it is desired to prevent, the salt or equivalents being used in quantities as the nature of the rebellious ores require, and are either combined with the ores at the commencement of the roast or applied and intermixed during the difierent stages thereof.
The art or principle of working is set forth coal or other carbonaceous material and lime through a suitable aperture into the upper end, say, of a reverberatory furnace having,
preferably, an inclined' hearth, or in any suitable furnace, and then subjected to a gradual roast by impinging upon the mass the heat or flame derived from a fire made from wood or any suitable material, the important feature being to gradually raise the temperature of the ore as high as possible without and their character may suggest by approaching the same nearer to the fire located at the other end of the furnace, and is accomplished ordinarily in reverberatory furnaces by rakes or other tools made and used for that purpose. At each periodical movement down or removal of said ores to a nearer approach to said fire after a discharge of similar quantity of roasted ores another charge of similar bulk is admitted, as before, and this plan is pursued until the gases, fumes, and refractory bases are eliminated, when, by an exit in the hearth constructed for the purpose, they are discharged at a red, White, or intermediate heat,
as the case may require, into a bath, as herein more fully set forth. The presence of lime,
The salt or equivalents,while combined with matting or slagging.
lime and charcoal in the roast, assists materially as a desulphurizer, attacking the bases with energy and by chemicaltransformation throwing them into a harmless condition, shortening the time required for roasting, while the lime and charcoal act as absorbents and prevent It should also be noted that while I may use the combination of. lime and charcoal, as specified, I am not to be restricted to their combined use with all classes of ores in the manner referred to 5 but I may defer using either of these materials when they or their equivalents are found in natural combination with the ores themselves-that is to say, for instance, when ores'contain sufficient lime in themselves I may simply use the charcoal therewith, with salt or equivalent, and when ores require less heat I may use the lime alone with the ores, with salt or equivalent.
Now, when I have prepared the ores by a ,thoroughroast in the manner before described after their desulphurization, and the ores at proper temperature of heat, I at once discharge them into a water bath, or a bath composed, preferably, of an aqueous solution of chloride of sodium, cyanide of potassium, and
sulphate of copper prepared in the following manner: Within a vat or car made of suitable dimensions and used for receiving the discharge, I form a solution of common salt,
sulphate of copper, and cyanide of potassium with water, the proportions being about one pound (more or less) of. each of the substances named, to a'sufficient volume of water to cover the bulk of ore roasted at a single operation, salt being added to the point of saturation. WVhile'I may use this combination pref- 5o erably as a whole, I may also use them separately or in following quantities, to wit: say one pound of the cyanide of potassium to a sufficient quantity of water to cover the ore, salt being added to saturation, or in accord- 5 ance with the quality and refractory condition of the ore to be treated. I may use any saline, alkaline, or acidulated bath, singly or in combination, as while some ores are successfully treated in one solution other ores may require and be more advantageously treated in a solution composed of different ingredients. The action of the roast, in combination with this bath, upon the heated ores effects their disintegration, leaving them in a friable condition, in which they are readily crumbled or pulverized, thereby effecting a more complete separation of the bases, setting free the precious metals, and leaving the ores in condition for amalgamation. aside from its advantages, secures much economy as compared with other methods.
WVhat I claim is The process herein described of preparing refractory ores for amalgamation, consisting in combining therewith lime, carbon, and common salt, or equivalents, roasting the mixture, and then subjecting the same to a suitable bath, substantially as described.
In testimony whereof I have hereunto set my handjn the presence of two subscribing witnesses. DAVID WALTON BIRMINGHAM. VYitnesses:
GEO. G. HULL, MARTIN SCHULTZ.
This process, 70
Publications (1)
Publication Number | Publication Date |
---|---|
US296116A true US296116A (en) | 1884-04-01 |
Family
ID=2365302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US296116D Expired - Lifetime US296116A (en) | Process of roasting and disintegrating gold |
Country Status (1)
Country | Link |
---|---|
US (1) | US296116A (en) |
-
0
- US US296116D patent/US296116A/en not_active Expired - Lifetime
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US296116A (en) | Process of roasting and disintegrating gold | |
US283461A (en) | Process of roasting and disintegrating gold and silver ores | |
USRE10400E (en) | Datid w | |
US96790A (en) | Improved process for reducing rebellious ores of the precious metals | |
US1348356A (en) | Process op reducing tungsten ores | |
US619729A (en) | John thomas davis | |
US520377A (en) | Ernest nienstaedt | |
USRE5957E (en) | Improvement in desulphurizing ores and extracting gold and silvfr | |
US100497A (en) | Improvement in desulphurizing ores | |
US27689A (en) | Improvement in the purification of coal and ores | |
US92009A (en) | Improved process of roasting- auriferous stjlphitrets | |
US919130A (en) | Process of extracting copper from ores. | |
US1403060A (en) | Method for the treatment of sal-ammoniac skimmings | |
US214055A (en) | Improvement in extracting precious metals from ores | |
US2090388A (en) | Ore treatment | |
US670140A (en) | Process of treating sulfurous arsenic ores. | |
US952914A (en) | Ore-briqueting. | |
US210619A (en) | Improvement in treating burnt pyrites | |
US65387A (en) | William w | |
US663914A (en) | Art or process of treating ores. | |
US15542A (en) | Improvement in processes of separating silver from the | |
US1556822A (en) | Multiple-roast chloridizing process | |
US735501A (en) | Process of extracting gold and silver from ores. | |
US553115A (en) | Reff galbraith | |
US2635036A (en) | Treatment of titaniferous material |