AU3843997A - Method for microwave induced oxidation of sulphidic ore material in fluidized bed without sulphur dioxide emissions - Google Patents

Method for microwave induced oxidation of sulphidic ore material in fluidized bed without sulphur dioxide emissions

Info

Publication number: AU3843997A
Authority: AU; Australia
Prior art keywords: fluidized bed; sulphur dioxide; dioxide emissions; ore material; microwave induced
Prior art date: 1996-08-27
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.): Granted

Application number

AU38439/97A

Other versions

AU721221B2 (en

Inventor

Paul R. Kruesi

James M. Tranquilla

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.)

EMR Microwave Technology Corp

Original Assignee

EMR Microwave Technology Corp

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.)

1996-08-27

Filing date

1997-08-08

Publication date

1998-03-19

1997-08-08 Application filed by EMR Microwave Technology Corp filed Critical EMR Microwave Technology Corp

1998-03-19 Publication of AU3843997A publication Critical patent/AU3843997A/en

2000-06-29 Application granted granted Critical

2000-06-29 Publication of AU721221B2 publication Critical patent/AU721221B2/en

2017-08-08 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

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
- 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
- C22B1/10—Roasting processes in fluidised form
- 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
- C22B11/00—Obtaining noble metals
- C22B11/02—Obtaining noble metals by dry processes
- 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
- C22B15/00—Obtaining copper
- C22B15/0002—Preliminary treatment
- C22B15/001—Preliminary treatment with modification of the copper constituent
- C22B15/0013—Preliminary treatment with modification of the copper constituent by roasting
- C22B15/0015—Oxidizing roasting
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00026—Controlling or regulating the heat exchange system
- B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
- B01J2208/00044—Temperature measurement

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Manufacturing & Machinery (AREA)
Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Manufacture And Refinement Of Metals (AREA)
Physical Or Chemical Processes And Apparatus (AREA)

AU38439/97A 1996-08-27 1997-08-08 Method for microwave induced oxidation of sulphidic ore material in fluidized bed without sulphur dioxide emissions Ceased AU721221B2 (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US70370396A	1996-08-27	1996-08-27
US08/703703		1996-08-27
US89710397A	1997-07-18	1997-07-18
US08/897103		1997-07-18
PCT/CA1997/000561 WO1998008989A1 (en)	1996-08-27	1997-08-08	Method for microwave induced oxidation of sulphidic ore material in fluidized bed without sulphur dioxide emissions

Publications (2)

Publication Number	Publication Date
AU3843997A true AU3843997A (en)	1998-03-19
AU721221B2 AU721221B2 (en)	2000-06-29

Family

ID=27107190

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU38439/97A Ceased AU721221B2 (en)	1996-08-27	1997-08-08	Method for microwave induced oxidation of sulphidic ore material in fluidized bed without sulphur dioxide emissions

Country Status (4)

Country	Link
EP (1)	EP0950122A1 (en)
AU (1)	AU721221B2 (en)
CA (1)	CA2263497A1 (en)
WO (1)	WO1998008989A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5972302A (en) *	1996-08-27	1999-10-26	Emr Microwave Technology Corporation	Method for the microwave induced oxidation of pyritic ores without the production of sulphur dioxide
AT408992B (en) *	2000-06-28	2002-04-25	Voest Alpine Ind Anlagen	Process for the direct reduction of fine ore, and installation for carrying out the process
DE10260733B4 (en)	2002-12-23	2010-08-12	Outokumpu Oyj	Process and plant for the heat treatment of iron oxide-containing solids
DE10260742A1 (en) *	2002-12-23	2004-07-08	Outokumpu Oyj	Process and plant for the thermal treatment of granular solids in a fluidized bed
DE10260744A1 (en) *	2002-12-23	2004-07-01	Outokumpu Oyj	Process and plant for the thermal treatment of granular solids
DE102010022400B4 (en) *	2010-06-01	2013-04-25	Outotec Oyj	Process and plant for lowering the residual carbon content of ash
FR3136541B1 (en) *	2022-06-14	2024-06-21	Innovation & Dev Company	microwave and fluidized bed calcination furnace

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2209331A (en) *	1936-11-12	1940-07-30	Haglund Ture Robert	Roasting process
US4324582A (en) *	1980-06-11	1982-04-13	Kruesi Paul R	Process for the recovery of copper from its ores
US4678478A (en) *	1986-04-14	1987-07-07	Massachusetts Institute Of Technology	Method for desulfurization of coal
JPH0711594B2 (en) *	1987-05-21	1995-02-08	動力炉・核燃料開発事業団	Fluidized bed system
US5123956A (en) *	1991-04-12	1992-06-23	Newmont Mining Corporation	Process for treating ore having recoverable gold values and including arsenic-, carbon- and sulfur-containing components by roasting in an oxygen-enriched gaseous atmosphere
JP2766586B2 (en) *	1992-06-23	1998-06-18	大阪ガスエンジニアリング株式会社	Method and apparatus for roasting granular processed products
DE4329417C1 (en) *	1993-09-01	1994-08-18	Metallgesellschaft Ag	Process for roasting refractory gold ores

1997
- 1997-08-08 CA CA002263497A patent/CA2263497A1/en not_active Abandoned
- 1997-08-08 AU AU38439/97A patent/AU721221B2/en not_active Ceased
- 1997-08-08 WO PCT/CA1997/000561 patent/WO1998008989A1/en not_active Application Discontinuation
- 1997-08-08 EP EP97935397A patent/EP0950122A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
AU721221B2 (en)	2000-06-29
EP0950122A1 (en)	1999-10-20
WO1998008989A1 (en)	1998-03-05
CA2263497A1 (en)	1998-03-05

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Legal Events

Date	Code	Title	Description
2000-10-26	FGA	Letters patent sealed or granted (standard patent)
2003-03-13	MK14	Patent ceased section 143(a) (annual fees not paid) or expired