FI77634B - Foerfarande foer framstaellning av svavelsyra. - Google Patents

Foerfarande foer framstaellning av svavelsyra. Download PDF

Info

Publication number
FI77634B
FI77634B FI842672A FI842672A FI77634B FI 77634 B FI77634 B FI 77634B FI 842672 A FI842672 A FI 842672A FI 842672 A FI842672 A FI 842672A FI 77634 B FI77634 B FI 77634B
Authority
FI
Finland
Prior art keywords
sulfuric acid
heat
recovery tower
heat recovery
absorption
Prior art date
Application number
FI842672A
Other languages
English (en)
Finnish (fi)
Other versions
FI77634C (sv
FI842672A0 (fi
FI842672A (fi
Inventor
Donald Ray Mcalister
Steven Anthony Ziebold
Original Assignee
Monsanto Co
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24031126&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI77634(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of FI842672A0 publication Critical patent/FI842672A0/fi
Publication of FI842672A publication Critical patent/FI842672A/fi
Application granted granted Critical
Publication of FI77634B publication Critical patent/FI77634B/fi
Publication of FI77634C publication Critical patent/FI77634C/sv

Links

Classifications

    • 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
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/765—Multi-stage SO3-conversion
    • 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
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/80—Apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
    • F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
    • 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (10)

1. Förfarande för framställning av svavelsyra genom katalytisk oxidation av svaveldioxid tili svaveltrioxid, 5 absorption av svaveltrioxid i svavelsyra och kylning av svavelsyran i en värmeväxlare genom överföring av värme tili ett annat flytande ämne, kännetecknat därav, att en gas som innehäller svaveltrioxid bringas i kon-takt med svavelsyra som har en koncentration inom omrädet 10 98 % - 101 %, varvid svaveltrioxid absorberas i svavelsyran och absorptionsvärme utvecklas, vilken absorption utförs i ett värmeutvinningstorn, tili vilket svavelsyran leds i en koncentration av minst 98 procent och vid en temperatur av minst 120°C och frän vilket svavelsyran avlägsnas i en 15 koncentration av minst 99 procent och vid en temperatur som överstiger 120°C, och absorptionsvärmet avlägsnas frän svavelsyran i användbar form genom att Överföra värmet tili ett annat flytande ämne i en värmeväxlare och sälunda upp-hetta det andra flytande ämnet tili en temperatur som över-20 stiger 120°C.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att svavelsyran hälls vid en temperatur som överstiger 120°C hela den tid, dä värme utförs tili det andra flytande ämnet. 25
3. Förfarande enligt patentkravet 1, k ä n n e - - . t e c k n a t därav, att svavelsyran lämnar värmeutvinnings- tornet som ett flöde, som har en temperatur som överstiger 120°C, detta svavelsyraflöde leds tili värmeväxlaren och ätminstone en del av det kylda syraflödet ätercirkuleras P 30 tili värmeutvinningstornet.
4. Förfarande enligt patentkravet 3, kännetecknat därav, att svavelsyran utspäds under äter-cirkulationen tili en koncentration som är högre än 98 % och lägre än 99 %.
FI842672A 1983-07-05 1984-07-03 Förfarande för framställning av svavelsyra. FI77634C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/510,527 US4576813A (en) 1983-07-05 1983-07-05 Heat recovery from concentrated sulfuric acid
US51052783 1983-07-05

Publications (4)

Publication Number Publication Date
FI842672A0 FI842672A0 (fi) 1984-07-03
FI842672A FI842672A (fi) 1985-01-06
FI77634B true FI77634B (fi) 1988-12-30
FI77634C FI77634C (sv) 1989-04-10

Family

ID=24031126

Family Applications (1)

Application Number Title Priority Date Filing Date
FI842672A FI77634C (sv) 1983-07-05 1984-07-03 Förfarande för framställning av svavelsyra.

Country Status (18)

Country Link
US (1) US4576813A (sv)
EP (1) EP0130967B2 (sv)
JP (1) JPS6036310A (sv)
KR (1) KR870000916B1 (sv)
AU (1) AU564505B2 (sv)
BR (1) BR8403294A (sv)
CA (1) CA1256671A (sv)
DE (1) DE3468857D1 (sv)
DZ (1) DZ713A1 (sv)
ES (2) ES533910A0 (sv)
FI (1) FI77634C (sv)
IN (1) IN161448B (sv)
MA (1) MA20164A1 (sv)
MX (1) MX164158B (sv)
NZ (1) NZ208754A (sv)
TR (1) TR21894A (sv)
YU (1) YU45188B (sv)
ZA (1) ZA845086B (sv)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4996038A (en) * 1983-07-05 1991-02-26 Monsanto Company Heat recovery from concentrated sulfuric acid
US4670242A (en) * 1984-11-09 1987-06-02 Monsanto Company Heat recovery from concentrated sulfuric acid
DE3508532A1 (de) * 1985-03-09 1986-09-18 Bayer Ag, 5090 Leverkusen Verwendung einer chromhaltigen legierung
US5130112A (en) * 1990-03-23 1992-07-14 Monsanto Company Method for recovering high grade process energy from a contact sulfuric acid process
US5118490A (en) * 1989-06-21 1992-06-02 Monsanto Company Absorption of wet conversion gas
DE69105961T2 (de) * 1990-03-23 1995-07-06 Monsanto Co., St. Louis, Mo. Rückgewinnung von energie aus einem schwefelsäureprozess.
DE4308151C2 (de) * 1993-03-15 1995-01-19 Bayer Ag Verwendung von Knet- und Gußwerkstoffen sowie Schweißzusatzwerkstoffen aus austenitischem Stahl für mit heißer konzentrierter Schwefelsäure oder Oleum beaufschlagte Bauteile
DE4342188C2 (de) * 1993-12-10 1998-06-04 Bayer Ag Austenitische Legierungen und deren Verwendung
US5538707A (en) * 1994-03-01 1996-07-23 Monsanto Company Acid concentration control in SO3 absorption
US6926898B2 (en) 2000-04-12 2005-08-09 Human Genome Sciences, Inc. Albumin fusion proteins
DE10128032A1 (de) * 2001-06-08 2002-12-12 Outokumpu Oy Verfahren zum Schutz gegen Korrossion eines Stahlteils aus austenitischem oder halbaustenitischem Stahl bei der Herstellung von Schwefelsäure
DE10153692A1 (de) * 2001-10-31 2003-05-15 Outokumpu Oy Verfahren und Vorrichtung zur Herstellung von Schwefelsäure
GB0129607D0 (en) * 2001-12-11 2002-01-30 Sui See C Exhaust eater energy generator
DE102005008109A1 (de) * 2005-02-21 2006-08-24 Outokumpu Technology Oy Verfahren und Anlage zur Herstellung von Schwefelsäure
EP2474318A1 (en) 2006-06-07 2012-07-11 Human Genome Sciences, Inc. Albumin fusion proteins
US8070850B2 (en) * 2008-01-11 2011-12-06 E H P Technology, LLC Process for liberating metals using direct production of leach grade acid solutions
JOP20200123A1 (ar) 2010-01-20 2017-06-16 Mecs Inc استرجاع الطاقة في تصنيع حمض السلفريك
DE102010006541B4 (de) * 2010-02-01 2016-03-17 Outotec Oyj Verfahren und Anlage zum Abkühlen von Säure
PE20140441A1 (es) 2010-10-29 2014-04-14 Mecs Inc Recuperacion regenerativa de dioxido de azufre de gases efluentes
CN102353283A (zh) * 2011-10-08 2012-02-15 上海奥格利环保工程有限公司 硫酸生产中对低温位的吸收反应热回收装置
ES2821501T3 (es) 2012-05-02 2021-04-26 Mecs Inc Recuperación regenerativa de contaminantes de gases efluentes
WO2014144699A1 (en) 2013-03-15 2014-09-18 Mecs, Inc. Recovery of sulfur trioxide heat of absorption
KR102180252B1 (ko) 2013-03-15 2020-11-18 엠이씨에스, 인코포레이티드 배출 가스로부터의 오염물질의 재생식 회수
CN103836602B (zh) * 2014-04-01 2016-03-02 丁华 双对称管壳式硫酸冷却器
CN103979501B (zh) * 2014-06-11 2016-08-24 南京凯盛国际工程有限公司 一种石膏制酸换热装置
DE102016103976A1 (de) * 2016-03-04 2017-09-07 Thyssenkrupp Ag Verfahren und Vorrichtung zur Herstellung von Schwefelsäure
WO2017192264A1 (en) 2016-05-03 2017-11-09 Chemetics Inc. Energy efficient sulfuric acid system for humid environments
DE102017200439A1 (de) 2017-01-12 2018-07-12 Thyssenkrupp Ag Verfahren zur Herstellung von Salpetersäure
CN109319743A (zh) * 2017-08-01 2019-02-12 上海乐谦工程科技有限公司 一种简法节能增效制取硫酸工艺
MA53483A (fr) 2018-08-29 2021-12-08 Chemetics Inc Alliage inoxydable austénitique présentant une résistance à la corrosion supérieure
WO2023225742A1 (en) * 2022-05-27 2023-11-30 Chemetics Inc. Tail gas treatment system and method for a sulfuric acid production plant

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2017676A (en) * 1933-03-11 1935-10-15 American Lurgi Corp Method of and apparatus for condensing sulphuric acid
US2071598A (en) * 1935-01-11 1937-02-23 American Lurgi Corp Method of producing fuming sulphuric acid having a high concentration
BE418986A (sv) * 1935-12-18
US2199691A (en) * 1938-09-09 1940-05-07 Gen Chemical Corp Sulphuric acid recovery
US2655431A (en) * 1949-01-21 1953-10-13 Chemical Construction Corp Sulfuric acid production by absorption
GB687160A (en) * 1949-05-31 1953-02-11 Bayer Ag Manufacture of sulphuric acid
NL128656C (sv) * 1960-09-17
FR1385698A (fr) * 1963-06-22 1965-01-15 Metallgesellschaft Ag Procédé pour la préparation de l'anhydride sulfurique et de l'acide sulfurique par conversion catalytique de gaz contenant de l'anhydride sulfureux
BE639993A (sv) * 1963-06-22
GB1175055A (en) * 1965-12-20 1969-12-23 Electric Reduction Co Production of sulphuric acid
DE1667642C3 (de) * 1966-02-09 1980-01-17 Nautschno-Issleodovatelskij Institut Po Udobrenijam I Insektofungizidam Im. Prof. J.V. Samojlova, Moskau Kontaktverfahren zur Herstellung von Schwefelsäure
CH484832A (de) * 1966-03-01 1970-01-31 Metallgesellschaft Ag Verfahren zur Erzeugung von Schwefelsäure unter katalytischer Umsetzung von SO2-haltigen Gasen mittels sauerstoffhaltiger Gase zu SO3
DE1567716B2 (de) * 1966-12-03 1977-02-17 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur katalytischen umsetzung von so tief 2 und so tief 3 und schwefelsaeureherstellung
US3649187A (en) * 1970-02-09 1972-03-14 Monsanto Co Corrosion resistant apparatus
GB1280624A (en) * 1970-02-16 1972-07-05 Imp Smelting Corp Ltd Improvements in or relating to the purification of sulphuric acid
CH547231A (de) * 1970-10-15 1974-03-29 Metallgesellschaft Ag Zwischenabsorber fuer die absorption von so3 und verfahren zum betreiben des zwischenabsorbers.
DE2348108A1 (de) * 1973-09-25 1975-04-03 Metallgesellschaft Ag Verfahren und vorrichtung zur absorption von so tief 3
DE2529709C3 (de) * 1975-07-03 1981-02-26 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Schwefelsäure
DE2700009C3 (de) * 1977-01-03 1979-11-15 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Aufkonzentrierung von verdünnter Phosphorsäure
US4123107A (en) * 1977-02-03 1978-10-31 Freeport Minerals Company Integrated sulfur mining - sulfuric acid production system
DE2824010A1 (de) * 1978-06-01 1979-12-13 Metallgesellschaft Ag Verfahren zur aufkonzentrierung von verduennter phosphorsaeure
CH641126A5 (en) * 1979-06-13 1984-02-15 Bertrams Ag Process and system for regenerating sulphuric acid
DE2945021A1 (de) * 1979-11-08 1981-05-21 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur herstellung von konzentrierter schwefelsaeure
JPS5734003A (en) * 1980-06-21 1982-02-24 Hidenori Arai Obtaining method of steam for concentrating phosphoric acid from heat removed from absorption system in sulfuric acid preparing apparatus
CA1181569A (en) * 1982-06-11 1985-01-29 Frank Smith Apparatus and process

Also Published As

Publication number Publication date
FI77634C (sv) 1989-04-10
AU564505B2 (en) 1987-08-13
CA1256671A (en) 1989-07-04
FI842672A0 (fi) 1984-07-03
IN161448B (sv) 1987-12-05
EP0130967B2 (en) 1995-05-03
ES8604032A1 (es) 1986-01-16
FI842672A (fi) 1985-01-06
JPS6036310A (ja) 1985-02-25
DE3468857D1 (en) 1988-02-25
JPH0459243B2 (sv) 1992-09-21
EP0130967A1 (en) 1985-01-09
NZ208754A (en) 1987-10-30
ES8601066A1 (es) 1985-10-16
ES533910A0 (es) 1985-10-16
ZA845086B (en) 1985-03-27
DZ713A1 (fr) 2004-09-13
TR21894A (tr) 1985-10-07
KR870000916B1 (ko) 1987-05-07
KR850001120A (ko) 1985-03-16
EP0130967B1 (en) 1988-01-20
MA20164A1 (fr) 1985-04-01
US4576813A (en) 1986-03-18
BR8403294A (pt) 1985-06-18
YU116284A (en) 1987-10-31
ES543604A0 (es) 1986-01-16
YU45188B (en) 1992-05-28
AU3023384A (en) 1985-01-10
MX164158B (es) 1992-07-20

Similar Documents

Publication Publication Date Title
FI77634B (fi) Foerfarande foer framstaellning av svavelsyra.
EP0181313B1 (en) Heat recovery from concentrated sulfuric acid
US4543244A (en) Use of high silicon Cr Ni steel in H2 SO4 manufacture
US4996038A (en) Heat recovery from concentrated sulfuric acid
CA2019462C (en) Absorption of wet conversion gas
US10875770B2 (en) Method and equipment for cooling sulphuric acid
EP0521075B1 (en) Methods for recovering high grade process energy from a contact sulfuric acid process
CN105209381A (zh) 三氧化硫吸收热的回收
FI86578C (sv) Förfarande och anordning för avkylning av heta gaser
US5028396A (en) Apparatus formed of high silicon chromium/nickel in steel in the manufacture of sulpheric acid
FI81773B (fi) Absorptionsanlaeggning och -foerfarande foer svaveltrioxid.
US9415364B2 (en) Facility and reactor for directly synthesizing hydrochloric acid from hydrogen and chlorine with heat recovery
CA1303814C (en) Heat recovery from concentrated sulfuric acid
CA1334783C (en) Heat recovery from concentrated sulfuric acid
CN110986634B (zh) 一种带有牺牲保护段的耦合管壳式换热器
CN2780737Y (zh) 硫酸生产余热回收用热管省煤器
Jones et al. Use of high silicon Cr Ni steel in H 2 SO 4 manufacture
JPS6296306A (ja) 接触法における硫酸製造用単位装置
CN2594251Y (zh) 一种用于硫酸装置的热回收塔
EP4122879A1 (en) Method and equipment for cooling sulphuric acid
CN1509981A (zh) 一种用于硫酸装置的热回收塔

Legal Events

Date Code Title Description
MA Patent expired

Owner name: MONSANTO COMPANY