FI103517B1 - Förfarande för termisk upplösning av tvättsyra - Google Patents

Förfarande för termisk upplösning av tvättsyra

Info

Publication number: FI103517B1
Authority: FI; Finland
Prior art keywords: thermal decomposition; washing acid; washing; acid; decomposition
Prior art date: 1997-12-09

Application number

FI974456A

Other languages

English (en)

Finnish (fi)

Other versions

FI974456A0 (fi

FI103517B (sv

Inventor

Jaakko Poijaervi

Antti Jalonen

Johannes Holmi

Jari Ojala

Original Assignee

Outokumpu Oy

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.)

1997-12-09

Filing date

1997-12-09

Publication date

1999-07-15

1997-12-09 Application filed by Outokumpu Oy filed Critical Outokumpu Oy

1997-12-09 Publication of FI974456A0 publication Critical patent/FI974456A0/fi

1997-12-09 Priority to FI974456A priority Critical patent/FI103517B/sv

1998-11-23 Priority to US09/197,709 priority patent/US6180078B1/en

1998-11-25 Priority to ZA9810767A priority patent/ZA9810767B/xx

1998-11-26 Priority to AU94139/98A priority patent/AU749609B2/en

1998-11-30 Priority to SE9804131A priority patent/SE519099C2/sv

1998-12-02 Priority to PE1998001173A priority patent/PE20000122A1/es

1998-12-04 Priority to BG102992A priority patent/BG64002B1/bg

1998-12-04 Priority to ARP980106171A priority patent/AR017806A1/es

1998-12-04 Priority to RO98-01646A priority patent/RO120256B1/ro

1998-12-07 Priority to ES009802561A priority patent/ES2154998B1/es

1998-12-07 Priority to CA002255812A priority patent/CA2255812C/en

1998-12-07 Priority to PL98330140A priority patent/PL330140A1/xx

1998-12-08 Priority to IDP981599A priority patent/ID21440A/id

1998-12-08 Priority to BR9805233-0A priority patent/BR9805233A/pt

1998-12-08 Priority to RU98122309/02A priority patent/RU2213046C2/ru

1998-12-08 Priority to KR10-1998-0053736A priority patent/KR100432551B1/ko

1998-12-09 Priority to CN98123084A priority patent/CN1116916C/zh

1998-12-09 Priority to JP34941098A priority patent/JP4187330B2/ja

1998-12-09 Priority to DE19857015A priority patent/DE19857015B4/de

1999-07-15 Application granted granted Critical

1999-07-15 Publication of FI103517B1 publication Critical patent/FI103517B1/sv

1999-07-15 Publication of FI103517B publication Critical patent/FI103517B/sv

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
- C01B17/503—Preparation of sulfur dioxide by reduction of sulfur compounds of sulfuric acid
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Inorganic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Health & Medical Sciences (AREA)
Sustainable Development (AREA)
Biomedical Technology (AREA)
Life Sciences & Earth Sciences (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Manufacture And Refinement Of Metals (AREA)
Treating Waste Gases (AREA)
Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

FI974456A 1997-12-09 1997-12-09 Förfarande för termisk upplösning av tvättsyra FI103517B (sv)

Priority Applications (19)

Application Number	Priority Date	Filing Date	Title
FI974456A FI103517B (sv)	1997-12-09	1997-12-09	Förfarande för termisk upplösning av tvättsyra
US09/197,709 US6180078B1 (en)	1997-12-09	1998-11-23	Method for thermally regenerating spent acid
ZA9810767A ZA9810767B (en)	1997-12-09	1998-11-25	Method for thermally regenerating spent acid
AU94139/98A AU749609B2 (en)	1997-12-09	1998-11-26	Method for thermally decomposing spent acid
SE9804131A SE519099C2 (sv)	1997-12-09	1998-11-30	Förfarande för termisk rening av förorenad svavelsyra
PE1998001173A PE20000122A1 (es)	1997-12-09	1998-12-02	Metodo para regenerar termicamente un gas agotado
BG102992A BG64002B1 (bg)	1997-12-09	1998-12-04	Метод за термично регенериране на отработена киселина
ARP980106171A AR017806A1 (es)	1997-12-09	1998-12-04	Metodo para regenerar termicamente acido agotado
RO98-01646A RO120256B1 (ro)	1997-12-09	1998-12-04	Metodă pentru regenerarea termică a acidului uzat
CA002255812A CA2255812C (en)	1997-12-09	1998-12-07	Method for thermally regenerating spent acid
ES009802561A ES2154998B1 (es)	1997-12-09	1998-12-07	Metodo para regenerar termicamente el acido gastado.
PL98330140A PL330140A1 (en)	1997-12-09	1998-12-07	Method of thermally regenerating a waste acid
IDP981599A ID21440A (id)	1997-12-09	1998-12-08	Metoda untuk regenerasi asam terpakai secara termal
BR9805233-0A BR9805233A (pt)	1997-12-09	1998-12-08	Método para regenerar temicamente um ácido consumido
RU98122309/02A RU2213046C2 (ru)	1997-12-09	1998-12-08	Способ термической регенерации отработанной кислоты
KR10-1998-0053736A KR100432551B1 (ko)	1997-12-09	1998-12-08	폐산의열적재생방법
CN98123084A CN1116916C (zh)	1997-12-09	1998-12-09	热再生废酸的方法
JP34941098A JP4187330B2 (ja)	1997-12-09	1998-12-09	廃酸の熱再生方法
DE19857015A DE19857015B4 (de)	1997-12-09	1998-12-09	Verfahren zum thermischen Regenerieren von Abfallsäure

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI974456		1997-12-09
FI974456A FI103517B (sv)	1997-12-09	1997-12-09	Förfarande för termisk upplösning av tvättsyra

Publications (3)

Publication Number	Publication Date
FI974456A0 FI974456A0 (fi)	1997-12-09
FI103517B1 true FI103517B1 (sv)	1999-07-15
FI103517B FI103517B (sv)	1999-07-15

Family

ID=8550080

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI974456A FI103517B (sv)	1997-12-09	1997-12-09	Förfarande för termisk upplösning av tvättsyra

Country Status (19)

Country	Link
US (1)	US6180078B1 (sv)
JP (1)	JP4187330B2 (sv)
KR (1)	KR100432551B1 (sv)
CN (1)	CN1116916C (sv)
AR (1)	AR017806A1 (sv)
AU (1)	AU749609B2 (sv)
BG (1)	BG64002B1 (sv)
BR (1)	BR9805233A (sv)
CA (1)	CA2255812C (sv)
DE (1)	DE19857015B4 (sv)
ES (1)	ES2154998B1 (sv)
FI (1)	FI103517B (sv)
ID (1)	ID21440A (sv)
PE (1)	PE20000122A1 (sv)
PL (1)	PL330140A1 (sv)
RO (1)	RO120256B1 (sv)
RU (1)	RU2213046C2 (sv)
SE (1)	SE519099C2 (sv)
ZA (1)	ZA9810767B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI109364B (sv) *	2000-12-20	2002-07-15	Outokumpu Oy	Förfarande för koncentration av tvättsyra
JP4574884B2 (ja) *	2001-03-27	2010-11-04	住友重機械工業株式会社	排ガス処理システムの硫酸回収方法及び硫酸回収装置
FI110874B (sv) *	2001-12-13	2003-04-15	Outokumpu Oy	Förfarande och anordning för höjning av kapaciteten av en värmespillpanna i en metallurgisk smältugn
US7592290B2 (en) *	2004-04-08	2009-09-22	Sulzer Metco(Canada) Inc.	Supported catalyst for stream methane reforming and autothermal reforming reactions
FI20106156A (sv)	2010-11-04	2012-05-05	Outotec Oyj	Förfarande för kontroll av en suspensionssmältugns termiska balans och en suspensionssmältugn
FI124714B (sv) *	2013-10-25	2014-12-15	Outotec Finland Oy	Förfarande och arrangemang för att mata process gas från en suspensionssmältugn till en restvärmeboiler
CN107010598B (zh) *	2017-04-24	2023-08-11	鞍山创鑫环保科技股份有限公司	一种高浓酸洗废液再生工艺及系统
CN107814361A (zh) *	2017-09-30	2018-03-20	东营方圆有色金属有限公司	一种废硫酸的处理回收方法及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA544488A (en) *		1957-08-06	Badische Anilin- And Soda-Fabrik Aktiengesellschaft	Production of gases containing sulfur dioxide
GB642128A (en) *	1940-10-26	1950-08-30	United Chemical And Metallurg	Improvements relating to methods of decomposition of waste sulphuric acid to sulphurdioxide
AT184921B (de) *	1950-08-08	1956-03-10	Basf Ag	Verfahren zur Aufarbeitung schwefelsäurehaltiger Massen auf schwefeldioxydreiche Gase
GB739483A (en) *	1951-03-20	1955-11-02	Wikdahl Lennart	Method of carrying out exothermic chemical reactions in the gaseous phase
FI49845C (sv) *	1972-10-26	1975-10-10	Outokumpu Oy	Förfarande och anordning vid flamsmältning av sulfidmalmer eller -konc entrat.
DE2339859A1 (de) *	1973-08-07	1975-02-27	Metallgesellschaft Ag	Verfahren zur aufarbeitung waessriger abfallschwefelsaeure
DE2417005A1 (de) *	1974-04-08	1975-10-09	Metallgesellschaft Ag	Verfahren zur herstellung von kontaktschwefelsaeure
DE2432250A1 (de) *	1974-07-05	1976-01-29	Metallgesellschaft Ag	Verfahren zur aufarbeitung waessriger, organische verunreinigungen enthaltender abfallschwefelsaeure
US4155749A (en) *	1978-05-31	1979-05-22	Dravo Corporation	Process for converting non-ferrous metal sulfides
DE2839794C3 (de) *	1978-09-13	1981-05-14	Norddeutsche Affinerie, 2000 Hamburg	Verfahren zur Verarbeitung hüttenmännischer Zwischenprodukte, sulfidischer Erze und/oder Erzkonzentrate
SU865782A2 (ru) *	1980-01-10	1981-09-23	Предприятие П/Я В-8830	Способ сульфатизирующего обжига сульфидных материалов

1997
- 1997-12-09 FI FI974456A patent/FI103517B/sv not_active IP Right Cessation
1998
- 1998-11-23 US US09/197,709 patent/US6180078B1/en not_active Expired - Lifetime
- 1998-11-25 ZA ZA9810767A patent/ZA9810767B/xx unknown
- 1998-11-26 AU AU94139/98A patent/AU749609B2/en not_active Ceased
- 1998-11-30 SE SE9804131A patent/SE519099C2/sv not_active IP Right Cessation
- 1998-12-02 PE PE1998001173A patent/PE20000122A1/es not_active Application Discontinuation
- 1998-12-04 AR ARP980106171A patent/AR017806A1/es unknown
- 1998-12-04 BG BG102992A patent/BG64002B1/bg unknown
- 1998-12-04 RO RO98-01646A patent/RO120256B1/ro unknown
- 1998-12-07 CA CA002255812A patent/CA2255812C/en not_active Expired - Fee Related
- 1998-12-07 ES ES009802561A patent/ES2154998B1/es not_active Expired - Fee Related
- 1998-12-07 PL PL98330140A patent/PL330140A1/xx unknown
- 1998-12-08 RU RU98122309/02A patent/RU2213046C2/ru not_active IP Right Cessation
- 1998-12-08 KR KR10-1998-0053736A patent/KR100432551B1/ko not_active IP Right Cessation
- 1998-12-08 ID IDP981599A patent/ID21440A/id unknown
- 1998-12-08 BR BR9805233-0A patent/BR9805233A/pt not_active IP Right Cessation
- 1998-12-09 DE DE19857015A patent/DE19857015B4/de not_active Expired - Fee Related
- 1998-12-09 CN CN98123084A patent/CN1116916C/zh not_active Expired - Lifetime
- 1998-12-09 JP JP34941098A patent/JP4187330B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
BG102992A (en)	1999-07-30
ES2154998B1 (es)	2001-12-01
KR19990062893A (ko)	1999-07-26
AR017806A1 (es)	2001-10-24
SE9804131D0 (sv)	1998-11-30
CN1223168A (zh)	1999-07-21
BG64002B1 (bg)	2003-09-30
ID21440A (id)	1999-06-10
ES2154998A1 (es)	2001-04-16
JP4187330B2 (ja)	2008-11-26
PE20000122A1 (es)	2000-03-03
DE19857015B4 (de)	2012-03-08
KR100432551B1 (ko)	2004-09-04
CA2255812C (en)	2009-02-10
US6180078B1 (en)	2001-01-30
ZA9810767B (en)	1999-05-31
CN1116916C (zh)	2003-08-06
SE9804131L (sv)	1999-06-10
BR9805233A (pt)	2001-03-20
RO120256B1 (ro)	2005-11-30
AU749609B2 (en)	2002-06-27
FI974456A0 (fi)	1997-12-09
AU9413998A (en)	1999-07-01
SE519099C2 (sv)	2003-01-14
CA2255812A1 (en)	1999-06-09
FI103517B (sv)	1999-07-15
DE19857015A1 (de)	1999-06-10
RU2213046C2 (ru)	2003-09-27
JPH11235515A (ja)	1999-08-31
PL330140A1 (en)	1999-06-21

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KR960704082A (ko)	1996-08-31	저 잔자성 재료로 이루어진 하나이상의 부재의 처리방법(Method to process at least one member of low-retentivity)
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DE69840475D1 (de)	2009-03-05	Verbessertes fällungsverfahren von 7-aminocephalosporansäure
NO993845D0 (no)	1999-08-10	Fremgangsmåte for fremstilling av smörsyrederivater

Legal Events

Date	Code	Title	Description
2009-07-30	PC	Transfer of assignment of patent	Owner name: OUTOTEC OYJ Free format text: OUTOTEC OYJ
2015-07-10	MM	Patent lapsed

Date

Code

Title

Description

2009-07-30

Transfer of assignment of patent

Owner name: OUTOTEC OYJ

Free format text: OUTOTEC OYJ

2015-07-10

Patent lapsed