NO126302B - - Google Patents
Download PDFInfo
- Publication number
- NO126302B NO126302B NO00171028A NO17102867A NO126302B NO 126302 B NO126302 B NO 126302B NO 00171028 A NO00171028 A NO 00171028A NO 17102867 A NO17102867 A NO 17102867A NO 126302 B NO126302 B NO 126302B
- Authority
- NO
- Norway
- Prior art keywords
- gases
- roasting
- arsenic
- antimony
- fluidized bed
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims description 33
- 239000000428 dust Substances 0.000 claims description 18
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 229910052785 arsenic Inorganic materials 0.000 claims description 9
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 9
- 229910052787 antimony Inorganic materials 0.000 claims description 8
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010410 dusting Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000003546 flue gas Substances 0.000 description 11
- 238000000746 purification Methods 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 9
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- 239000011028 pyrite Substances 0.000 description 2
- 229910052683 pyrite Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- NFMAZVUSKIJEIH-UHFFFAOYSA-N bis(sulfanylidene)iron Chemical compound S=[Fe]=S NFMAZVUSKIJEIH-UHFFFAOYSA-N 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000339 iron disulfide Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/50—Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously through pipes, e.g. column mixers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C02F1/763—Devices for the addition of such compounds in gaseous form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
- B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
- B01F23/431—Mixing liquids with liquids; Emulsifying using driven stirrers the liquids being introduced from the outside through or along the axis of a rotating stirrer, e.g. the stirrer rotating due to the reaction of the introduced liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
- C02F3/206—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with helical screw impellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
- B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
- B01F23/23314—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer element
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK656166A DK123146B (da) | 1966-12-19 | 1966-12-19 | Apparat til indføring af et første fluidum i et andet. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO126302B true NO126302B (en)) | 1973-01-22 |
Family
ID=8148882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO00171028A NO126302B (en)) | 1966-12-19 | 1967-12-18 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3482520A (en)) |
| JP (1) | JPS4818527B1 (en)) |
| AT (1) | AT290412B (en)) |
| BE (1) | BE708121A (en)) |
| CH (1) | CH495162A (en)) |
| DE (1) | DE1557129A1 (en)) |
| DK (1) | DK123146B (en)) |
| FI (1) | FI45168C (en)) |
| FR (1) | FR1548931A (en)) |
| GB (1) | GB1214818A (en)) |
| IL (1) | IL29162A (en)) |
| NL (1) | NL6717263A (en)) |
| NO (1) | NO126302B (en)) |
| SE (1) | SE354789B (en)) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969446A (en) * | 1974-06-03 | 1976-07-13 | Franklin Jr Grover C | Apparatus and method for aerating liquids |
| US4176157A (en) * | 1974-11-14 | 1979-11-27 | Bpb Industries Limited | Calcining calcium sulphate dihydrate |
| DE2748160C2 (de) * | 1977-10-27 | 1984-06-07 | Brown Boveri Reaktor GmbH, 6800 Mannheim | Einrichtung zur Begasung von Primärkühlmittel einer wassergekühlten Kernreaktoranlage |
| SE412011B (sv) * | 1978-03-31 | 1980-02-18 | Sala International Ab | Anordning vid apparater for inblandning och losning av gaser i vetskemassor, vilka av ett axialpumpshjul uppfordras genom en vertikal stigledning |
| NL7803906A (nl) * | 1978-04-12 | 1979-10-16 | Noordvos Schroeven Bv | Werkwijze, inrichting en propeller voor het verdelen van een gasvormig, poedervormig of vloeibaar materiaal in een vloeistof. |
| FI62872C (fi) * | 1978-06-06 | 1983-03-10 | Ahlstroem Oy | Anordning foer silning av fibersuspensioner |
| SE438273B (sv) * | 1980-08-19 | 1985-04-15 | Kamyr Ab | Anordning for inblandning av behandlingsmedel i suspensioner |
| DE3045383C2 (de) * | 1980-12-02 | 1985-05-23 | Deutsche Texaco Ag, 2000 Hamburg | Vorrichtung zum Vermischen eines Konzentrats mit Wasser |
| US4497750A (en) * | 1982-09-17 | 1985-02-05 | Edward Simonds | Fuel impact device |
| SE445712B (sv) * | 1983-12-08 | 1986-07-14 | Boliden Ab | Forfarande for distribution av en vattenreningskemikalie samt anordning for genomforande av forfarandet |
| DE3633018A1 (de) * | 1986-09-29 | 1988-04-07 | Schneider Friedhelm Kunststoff | Mischvorrichtung mit rotierender duese |
| JP2505525B2 (ja) * | 1988-04-08 | 1996-06-12 | 三菱重工業株式会社 | スラリ―の気液接触処理装置 |
| US4985181A (en) * | 1989-01-03 | 1991-01-15 | Newa S.R.L. | Centrifugal pump especially for aquariums |
| DE4029824A1 (de) * | 1990-09-20 | 1992-03-26 | Passavant Werke | Vorrichtung zum einmischen einer fluessigkeit in eine fluessigkeitsstroemung in einer rohrleitung |
| HU207669B (en) * | 1991-02-01 | 1993-05-28 | Richter Gedeon Vegyeszet | Complex mixing apparatus for dispersing gases in fluid |
| US5431860A (en) * | 1991-02-01 | 1995-07-11 | Richter Gedeon Vegyeszeti Gyar Rt. | Complex mixing device for dispersion of gases in liquid |
| EP0835843A3 (de) * | 1996-10-09 | 1998-12-30 | Joachim Friedrich Knauer | Vorrichtung zum Einmischen von Flockungsflüssigkeit in eine Klärschlamm-Strömung und Anwendung der Vorrichtung |
| DE29909312U1 (de) * | 1999-05-27 | 1999-08-12 | Ekato Rühr- und Mischtechnik GmbH, 79650 Schopfheim | Rührwerk |
| EP1247991B1 (en) * | 2001-04-05 | 2005-10-12 | Hitachi, Ltd. | Centrifugal pump |
| GB0113674D0 (en) * | 2001-06-05 | 2001-07-25 | Withdeal Ltd | Mixing apparatus |
| EP1670723B1 (de) * | 2003-10-07 | 2012-04-04 | Technocon GmbH | Verfahren zum biologischen reinigen von abwasser |
| EP1600205A1 (de) * | 2004-05-28 | 2005-11-30 | Sika Technology AG | Mischeinrichtung sowie Verfahren zur Zugabe eines Zusatzmittels zu einem pumpfähigen Gemisch |
| WO2008139417A2 (en) * | 2007-05-14 | 2008-11-20 | L'air Liquide-Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Systems and methods for mixing fluids |
| US9194092B2 (en) * | 2010-01-26 | 2015-11-24 | Mark Kline | Mechanism for automated mixing of liquid solutions and granular materials |
| US20120039146A1 (en) * | 2010-08-16 | 2012-02-16 | Zanti Kyriacos | Dual tube gas diffusion system |
| KR101040927B1 (ko) | 2011-03-30 | 2011-06-16 | (주)플록마스터 | 슬러지 파쇄용 믹스장치 |
| GB202311902D0 (en) * | 2023-08-02 | 2023-09-13 | Greenthread Ltd | Rotary device, apparatus and methods of use |
| CN119368033B (zh) * | 2024-12-27 | 2025-04-01 | 江苏天兴环保股份有限公司 | 循环烟气的处理设备 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1264315A (en) * | 1917-03-22 | 1918-04-30 | Vacuum Machinery Co | Combined aspirator and force-pump. |
| US1919847A (en) * | 1933-04-04 | 1933-07-25 | Adolph R Kunz | Centripugal air or gas injector |
| US2319228A (en) * | 1940-05-10 | 1943-05-18 | Reynolds Allen | Vacuum pressure pump |
| US2772863A (en) * | 1954-08-30 | 1956-12-04 | Pacific Pumps Inc | Mixing pump |
| US2911137A (en) * | 1955-11-18 | 1959-11-03 | Edwards Miles Lowell | Rotary aspirator pump |
| US2990779A (en) * | 1956-12-27 | 1961-07-04 | Obermaier & Cie | High speed propeller pump |
| US3405865A (en) * | 1966-10-18 | 1968-10-15 | Lagelbauer Ernest | Turbofan bladings |
-
1966
- 1966-12-19 DK DK656166A patent/DK123146B/da not_active IP Right Cessation
-
1967
- 1967-12-13 US US3482520D patent/US3482520A/en not_active Expired - Lifetime
- 1967-12-15 GB GB5722467A patent/GB1214818A/en not_active Expired
- 1967-12-15 CH CH1765967A patent/CH495162A/de not_active IP Right Cessation
- 1967-12-18 FR FR1548931D patent/FR1548931A/fr not_active Expired
- 1967-12-18 AT AT1140467A patent/AT290412B/de not_active IP Right Cessation
- 1967-12-18 BE BE708121D patent/BE708121A/xx unknown
- 1967-12-18 NO NO00171028A patent/NO126302B/no unknown
- 1967-12-18 SE SE1736967A patent/SE354789B/xx unknown
- 1967-12-19 FI FI338167A patent/FI45168C/fi active
- 1967-12-19 DE DE19671557129 patent/DE1557129A1/de not_active Ceased
- 1967-12-19 IL IL2916267A patent/IL29162A/xx unknown
- 1967-12-19 NL NL6717263A patent/NL6717263A/xx unknown
- 1967-12-19 JP JP8111467A patent/JPS4818527B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1548931A (en)) | 1968-12-06 |
| AT290412B (de) | 1971-06-11 |
| DE1557129A1 (de) | 1970-03-19 |
| GB1214818A (en) | 1970-12-02 |
| DK123146B (da) | 1972-05-23 |
| NL6717263A (en)) | 1968-06-20 |
| SE354789B (en)) | 1973-03-26 |
| CH495162A (de) | 1970-08-31 |
| FI45168C (fi) | 1972-04-10 |
| IL29162A (en) | 1972-07-26 |
| JPS4818527B1 (en)) | 1973-06-06 |
| US3482520A (en) | 1969-12-09 |
| BE708121A (en)) | 1968-05-02 |
| FI45168B (en)) | 1971-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO126302B (en)) | ||
| US1941592A (en) | Roasting pryites fines | |
| US2637629A (en) | Roasting sulfide ores | |
| US3689213A (en) | Process for treating flue gases | |
| JPS5852683B2 (ja) | ガスノセンタクテキセイセイホウホウ | |
| US1812397A (en) | Process of and apparatus for oxidizing metal sulphides and making sulphur dioxide | |
| US2040682A (en) | Recovery of sulphur | |
| US2683077A (en) | Roasting sulfide ores | |
| US2978297A (en) | Production of gases containing sulfur dioxide and of solid roasted products free from arsenic and antimony by fluidized layer roasting of materials containing roastable sulfur in addition to arsenic and/or antimony | |
| US2889203A (en) | Production of gases containing sulfur dioxide | |
| US4080219A (en) | Collateral drying process | |
| EP0019443B1 (en) | Method and apparatus for handling and utilizing system off-gas in a pyro-processing system | |
| US2416044A (en) | Process of treating zinc oxides | |
| US2084697A (en) | Process for the recovery of sulphur from sulphide ores | |
| US3864121A (en) | Process in the roasting of ores for removing quantities of tin contained therein | |
| GB731527A (en) | Improvements in or relating to the treatment of sulphides and sulphide minerals | |
| US2030021A (en) | Method and apparatus for the production of sulphur dioxide | |
| US3617255A (en) | Process for repressing sulfur trioxide formation in iron sulfide roasting | |
| US2026775A (en) | Process for sulphating the non-ferrous metals contained in ferruginous sulphide oresor roasts | |
| US1992049A (en) | Roasting of plumbiferous pyrites | |
| US1832006A (en) | Method of and apparatus for treating quicksilver ores | |
| US1985902A (en) | Concentrate burner | |
| AT201617B (de) | Verfahren zur Herstellung schwefeldioxydhaltiger Gase durch Wirbelschichtröstung von röstbaren Schwefel neben Arsen und/oder Antimon enthaltenden Materialien | |
| SU113690A2 (ru) | Ступенчато-противоточный непрерывный железо-паровой способ получени водорода | |
| GB973547A (en) | Removal of dust from combustible particles |