BE810686A - Procede de purification d'acide sulfurique use - Google Patents

Procede de purification d'acide sulfurique use

Info

Publication number
BE810686A
BE810686A BE140617A BE140617A BE810686A BE 810686 A BE810686 A BE 810686A BE 140617 A BE140617 A BE 140617A BE 140617 A BE140617 A BE 140617A BE 810686 A BE810686 A BE 810686A
Authority
BE
Belgium
Prior art keywords
sulfuric acid
purification process
acid purification
use sulfuric
sulfuric
Prior art date
Application number
BE140617A
Other languages
English (en)
French (fr)
Inventor
G B De La Mater
B Milligan
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
Application filed filed Critical
Publication of BE810686A publication Critical patent/BE810686A/xx

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
    • C01B17/90—Separation; Purification
    • C01B17/905—Removal of organic impurities
    • 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
    • C01B17/90—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE140617A 1973-04-02 1974-02-06 Procede de purification d'acide sulfurique use BE810686A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00347219A US3856673A (en) 1973-04-02 1973-04-02 Purification of spent sulfuric acid

Publications (1)

Publication Number Publication Date
BE810686A true BE810686A (fr) 1974-05-29

Family

ID=23362802

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140617A BE810686A (fr) 1973-04-02 1974-02-06 Procede de purification d'acide sulfurique use

Country Status (6)

Country Link
US (1) US3856673A (xx)
JP (1) JPS501993A (xx)
BE (1) BE810686A (xx)
DE (1) DE2404613B2 (xx)
FR (1) FR2223303B1 (xx)
NL (1) NL7404422A (xx)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332687A (en) * 1978-09-21 1982-06-01 Pca International, Inc. Removal of complexed heavy metals from waste effluents
US4257986A (en) * 1979-02-02 1981-03-24 Air Products And Chemicals, Inc. Process for refining aqueous acid mixtures utilized in nitration of aromatics
JPS5832003A (ja) * 1981-08-13 1983-02-24 Mitsubishi Metal Corp 着色濃硫酸の脱色方法
GB2110681B (en) * 1981-11-25 1985-08-07 Exxon Research Engineering Co Process for treating spent sulfuric acid streams from the olefin hydration reaction
US4406760A (en) * 1981-11-25 1983-09-27 Exxon Research & Engineering Co. Electrolytic process for treating sulfuric acid streams
SE464299B (sv) * 1988-11-16 1991-04-08 Boliden Contech Ab Foerfarande foer avfaergning av svavelsyra framstaelld enligt kontaktmetoden
DE68904760T2 (de) * 1988-12-16 1993-07-01 Enichem Sintesi Regeneration von erschoepften schwefelsaeuren mittels wasserstoffperoxyd.
DE3903661C2 (de) * 1989-02-08 1999-02-04 Wolff Walsrode Ag Verfahren zur Aufbereitung von Salpeter- und Schwefelsäure enthaltender Abfallsäure aus der Cellulosenitratherstellung
IT1248696B (it) * 1990-06-05 1995-01-26 Enichem Sintesi Procedimento per la rigenerazione mediante acqua ossigenata di acido solforico spento da reazioni di nitrazione
US5124051A (en) * 1990-11-29 1992-06-23 Solarchem Enterprises Inc. Process for treatment of contaminated waste water or groundwater
FR2674843B1 (fr) * 1991-04-04 1993-09-17 Emc Services Procede et dispositif de purification d'acide sulfurique concentre contamine par des impuretes organiques.
FR2687656B1 (fr) * 1992-02-20 1994-06-17 Inst Francais Du Petrole Procede d'elimination des matieres organiques contenues dans un acide sulfurique impur. utilisation de l'acide resultant et traitement de l'effluent gazeux forme.
US5275701A (en) 1993-03-15 1994-01-04 Air Products And Chemicals, Inc. Process for purification and concentration of sulfuric acid
SE503793C2 (sv) * 1995-02-01 1996-09-09 Kvaerner Pulping Tech Förfarande vid behandling av kondensat
ES2105969B1 (es) * 1995-07-14 1998-07-01 Gen Quimica S A Procedimiento para la recuperacion de acido sulfurico a partir de corrientes residuales de sulfurico de mediana concentracion contaminadas con materia organica.
DE19614642C2 (de) * 1996-02-22 2002-05-16 Mcw Mueller Chemikalien Wertst Verfahren zur Aufarbeitung von Abfall-Schwefelsäure
DE19636191B4 (de) * 1996-08-02 2008-04-03 Bayer Materialscience Ag Verfahren zur Reinigung und Aufkonzentrierung von gebrauchten Schwefelsäuren
CA2254612A1 (en) * 1996-09-06 2000-05-27 Bayer Aktiengesellschaft A process for purifying and concentrating spent sulphuric acids
FR2772014B1 (fr) * 1997-12-08 2000-01-07 Atochem Elf Sa Generation de trifluorure de bore et d'acide sulfurique a partir d'hydrate de trifluorure de bore
EP1493713A4 (en) * 2002-04-05 2006-10-04 Sony Corp SYSTEM, METHOD FOR RECYCLING SULFURIC ACID EXHAUSTED AND RECYCLED SULFURIC ACID
US20060065542A1 (en) * 2004-09-30 2006-03-30 Nemeth Laszlo T Synthesis of hydrogen peroxide
US7273599B2 (en) * 2005-04-22 2007-09-25 Servicios Industriales Penoles S.A. De C.V. Method for decoloring sulfuric acid
JP4576312B2 (ja) * 2005-10-03 2010-11-04 東北電力株式会社 四フッ化ケイ素の製造方法、及びそれに用いる製造装置
DE102005049084A1 (de) * 2005-10-13 2007-04-26 Wacker Chemie Ag Verfahren zur Regenerierung von Schwefelsäure
DE102006022447A1 (de) * 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur gekoppelten Herstellung von Chlor und Isocyanaten
EP2053147A1 (en) * 2007-10-23 2009-04-29 Teijin Aramid B.V. Method for spinning and washing aramid fiber and recovering sulfuric acid
JP2013095640A (ja) * 2011-11-01 2013-05-20 Mitsubishi Gas Chemical Co Inc 有機物を含有する硫酸を連続的に再生する方法
TWI481550B (zh) 2013-05-01 2015-04-21 Asia Union Electronic Chemical Corp 高純度硫酸溶液之製備方法
US9278860B2 (en) * 2014-07-22 2016-03-08 Taiwan Semiconductor Manufacturing Co., Ltd. Method and apparatus for recycling waste sulfuric acid
IL236365A0 (en) * 2014-12-21 2015-04-30 Melodea Ltd Recycling of acid from acid-rich aqueous solutions
DE102020002434B4 (de) 2020-04-23 2022-09-01 Pfaudler Normag Systems GmbH Verfahren zur Reduzierung des Wasserstoffperoxid-Verbrauchs bei der Reinigung von mit organischen Verbindungen verunreinigter Abfallschwefelsäure durch oxidative Behandlung
CN112194103A (zh) * 2020-09-30 2021-01-08 宜宾海丰和锐有限公司 一种除去乙炔清净废硫酸臭味的方法
CN113045427A (zh) * 2021-03-19 2021-06-29 宁夏华御化工有限公司 能够降低废水中硝酸盐含量的硝基氯苯制备方法及***

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA577324A (en) * 1959-06-09 American Cyanamid Company Separation of mercury from sulfuric acid
US1842884A (en) * 1929-08-31 1932-01-26 Grasselli Chemical Co Process of purifying sulphuric acid
US2069472A (en) * 1935-04-17 1937-02-02 Paterson Parchment Paper Compa Concentration of dilute sulphuric acid containing amyloid
US2313910A (en) * 1940-03-16 1943-03-16 Standard Oil Dev Co Purification of recovered sulphuric acid
US2348328A (en) * 1941-01-10 1944-05-09 Du Pont Process of and apparatus for treating sulphuric acid containing dissolved nitro bodies
GB865711A (en) * 1956-05-23 1961-04-19 Zieren Chemiebau Gmbh Dr A Process for the removal of organic impurities in a contact sulphuric acid process
US3477814A (en) * 1966-03-23 1969-11-11 Harold W Wilson Process for the treatment of alkylation refining sludges to recover sulfuric acid
FR2076809A5 (xx) * 1970-01-29 1971-10-15 Air Liquide
JPS49119896A (xx) * 1973-03-17 1974-11-15

Also Published As

Publication number Publication date
DE2404613B2 (de) 1981-01-15
DE2404613A1 (de) 1974-10-10
FR2223303B1 (xx) 1980-04-18
JPS501993A (xx) 1975-01-10
DE2404613C3 (xx) 1987-06-19
NL7404422A (xx) 1974-10-04
US3856673A (en) 1974-12-24
FR2223303A1 (xx) 1974-10-25

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AIR PRODUCTS AND CHEMICALS INC.

Effective date: 19890228