SE519099C2 - Förfarande för termisk rening av förorenad svavelsyra - Google Patents
Förfarande för termisk rening av förorenad svavelsyraInfo
- Publication number
- SE519099C2 SE519099C2 SE9804131A SE9804131A SE519099C2 SE 519099 C2 SE519099 C2 SE 519099C2 SE 9804131 A SE9804131 A SE 9804131A SE 9804131 A SE9804131 A SE 9804131A SE 519099 C2 SE519099 C2 SE 519099C2
- Authority
- SE
- Sweden
- Prior art keywords
- sulfuric acid
- melting furnace
- spent acid
- furnace
- concentrated
- Prior art date
Links
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI974456A FI103517B (fi) | 1997-12-09 | 1997-12-09 | Menetelmä pesuhapon termiseksi hajottamiseksi |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9804131D0 SE9804131D0 (sv) | 1998-11-30 |
SE9804131L SE9804131L (sv) | 1999-06-10 |
SE519099C2 true SE519099C2 (sv) | 2003-01-14 |
Family
ID=8550080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9804131A SE519099C2 (sv) | 1997-12-09 | 1998-11-30 | Förfarande för termisk rening av förorenad svavelsyra |
Country Status (19)
Country | Link |
---|---|
US (1) | US6180078B1 (bg) |
JP (1) | JP4187330B2 (bg) |
KR (1) | KR100432551B1 (bg) |
CN (1) | CN1116916C (bg) |
AR (1) | AR017806A1 (bg) |
AU (1) | AU749609B2 (bg) |
BG (1) | BG64002B1 (bg) |
BR (1) | BR9805233A (bg) |
CA (1) | CA2255812C (bg) |
DE (1) | DE19857015B4 (bg) |
ES (1) | ES2154998B1 (bg) |
FI (1) | FI103517B (bg) |
ID (1) | ID21440A (bg) |
PE (1) | PE20000122A1 (bg) |
PL (1) | PL330140A1 (bg) |
RO (1) | RO120256B1 (bg) |
RU (1) | RU2213046C2 (bg) |
SE (1) | SE519099C2 (bg) |
ZA (1) | ZA9810767B (bg) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI109364B (fi) | 2000-12-20 | 2002-07-15 | Outokumpu Oy | Menetelmä pesuhapon väkevöimiseksi |
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 (fi) * | 2001-12-13 | 2003-04-15 | Outokumpu Oy | Menetelmä ja laitteisto metallurgisen sulatusuunin jätelämpökattilan kapasiteetin nostamiseksi |
US7592290B2 (en) * | 2004-04-08 | 2009-09-22 | Sulzer Metco(Canada) Inc. | Supported catalyst for stream methane reforming and autothermal reforming reactions |
FI20106156A (fi) | 2010-11-04 | 2012-05-05 | Outotec Oyj | Menetelmä suspensiosulatusuunin lämpötaseen hallitsemiseksi ja suspensiosulatusuuni |
FI124714B (en) * | 2013-10-25 | 2014-12-15 | Outotec Finland Oy | PROCEDURE AND ARRANGEMENTS FOR SUPPLYING GAS PROCESS FROM A SUSPENSION MIXTURE TO A REMOVAL HEATER |
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)
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 (fi) * | 1972-10-26 | 1975-10-10 | Outokumpu Oy | Sulfidimalmien tai -rikasteiden liekkisulatuksessa käytettävä menetelm ä ja laite. |
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/fi 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 RO RO98-01646A patent/RO120256B1/ro unknown
- 1998-12-04 BG BG102992A patent/BG64002B1/bg unknown
- 1998-12-07 PL PL98330140A patent/PL330140A1/xx unknown
- 1998-12-07 ES ES009802561A patent/ES2154998B1/es not_active Expired - Fee Related
- 1998-12-07 CA CA002255812A patent/CA2255812C/en not_active Expired - Fee Related
- 1998-12-08 ID IDP981599A patent/ID21440A/id 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 BR BR9805233-0A patent/BR9805233A/pt not_active IP Right Cessation
- 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
- 1998-12-09 DE DE19857015A patent/DE19857015B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ZA9810767B (en) | 1999-05-31 |
RO120256B1 (ro) | 2005-11-30 |
SE9804131D0 (sv) | 1998-11-30 |
JP4187330B2 (ja) | 2008-11-26 |
KR19990062893A (ko) | 1999-07-26 |
AU749609B2 (en) | 2002-06-27 |
AR017806A1 (es) | 2001-10-24 |
CA2255812C (en) | 2009-02-10 |
ES2154998A1 (es) | 2001-04-16 |
ID21440A (id) | 1999-06-10 |
ES2154998B1 (es) | 2001-12-01 |
JPH11235515A (ja) | 1999-08-31 |
RU2213046C2 (ru) | 2003-09-27 |
DE19857015B4 (de) | 2012-03-08 |
FI103517B1 (fi) | 1999-07-15 |
BR9805233A (pt) | 2001-03-20 |
PE20000122A1 (es) | 2000-03-03 |
BG102992A (bg) | 1999-07-30 |
DE19857015A1 (de) | 1999-06-10 |
SE9804131L (sv) | 1999-06-10 |
BG64002B1 (bg) | 2003-09-30 |
CA2255812A1 (en) | 1999-06-09 |
FI103517B (fi) | 1999-07-15 |
FI974456A0 (fi) | 1997-12-09 |
CN1223168A (zh) | 1999-07-21 |
AU9413998A (en) | 1999-07-01 |
PL330140A1 (en) | 1999-06-21 |
KR100432551B1 (ko) | 2004-09-04 |
US6180078B1 (en) | 2001-01-30 |
CN1116916C (zh) | 2003-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |