BR0002179A - Processos para gerar compostos contendo enxofre recuperáveis a partir de uma corrente de ácido gasto, e para recuperar ácido a partir de uma corrente de ácido sulfúrico gasto - Google Patents

Processos para gerar compostos contendo enxofre recuperáveis a partir de uma corrente de ácido gasto, e para recuperar ácido a partir de uma corrente de ácido sulfúrico gasto

Info

Publication number
BR0002179A
BR0002179A BR0002179-2A BR0002179A BR0002179A BR 0002179 A BR0002179 A BR 0002179A BR 0002179 A BR0002179 A BR 0002179A BR 0002179 A BR0002179 A BR 0002179A
Authority
BR
Brazil
Prior art keywords
spent
acid stream
acid
containing compounds
recoverable
Prior art date
Application number
BR0002179-2A
Other languages
English (en)
Other versions
BR0002179B1 (pt
Inventor
Charles Anthony Dafft
Connie Rene White
Original Assignee
Rohm Haas Company
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 by Rohm Haas Company filed Critical Rohm Haas Company
Publication of BR0002179A publication Critical patent/BR0002179A/pt
Publication of BR0002179B1 publication Critical patent/BR0002179B1/pt

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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
    • 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
    • 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
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/01—Waste acid containing iron
    • Y10S423/02—Sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Processing Of Solid Wastes (AREA)
  • Nozzles (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

"PROCESSOS PARA GERAR COMPOSTOS CONTENDO ENXOFRE RECUPERáVEIS A PARTIR DE UMA CORRENTE DE áCIDO GASTO, E PARA RECUPERAR áCIDO A PARTIR DE UMA CORRENTE DE áCIDO SULFúRICO GASTO" Esta invenção refere-se a um processo para gerar compostos contendo enxofre recuperável a partir de uma corrente de ácido gasto. O processo utiliza um bocal de pulverização para minimizar o tamanho da gotícula de ácido gasto.
BRPI0002179-2A 1999-06-03 2000-05-31 processos para gerar compostos contendo enxofre recuperÁveis a partir de uma corrente de Ácido gasto, e para recuperar Ácido a partir de uma corrente de Ácido sulférico gasto. BR0002179B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13728899P 1999-06-03 1999-06-03

Publications (2)

Publication Number Publication Date
BR0002179A true BR0002179A (pt) 2001-01-02
BR0002179B1 BR0002179B1 (pt) 2008-11-18

Family

ID=22476677

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0002179-2A BR0002179B1 (pt) 1999-06-03 2000-05-31 processos para gerar compostos contendo enxofre recuperÁveis a partir de uma corrente de Ácido gasto, e para recuperar Ácido a partir de uma corrente de Ácido sulférico gasto.

Country Status (10)

Country Link
US (1) US6399040B1 (pt)
EP (1) EP1057781B1 (pt)
JP (1) JP2001029967A (pt)
KR (1) KR100697157B1 (pt)
CN (1) CN1276339A (pt)
AT (1) ATE368002T1 (pt)
BR (1) BR0002179B1 (pt)
DE (1) DE60035641T2 (pt)
ES (1) ES2288831T3 (pt)
TW (1) TW539642B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE368002T1 (de) * 1999-06-03 2007-08-15 Rohm & Haas Verfahren zur erzeugung von wiedergewinnbaren schwefelenthaltenden verbindungen aus einem abfallsäurestrom
TR200707945T1 (tr) * 2005-05-17 2008-05-21 Fuel Tech, Inc. Kazanlarda korozyon kontrolüne yönelik işlem.
US7473409B2 (en) * 2006-08-30 2009-01-06 Veolia Es Technical Solutions L.L.C. Process for recycling waste acid
US20090317321A1 (en) * 2008-06-18 2009-12-24 James Patrick Meagher Decomposition of spent sulfuric acid using oxygen
US8052949B2 (en) * 2009-05-11 2011-11-08 Thermo Fisher Scientific Inc. Generation of sulfur trioxide and sulfuric acid
TWI481549B (zh) * 2013-06-04 2015-04-21 Chang Chun Plastics Co Ltd 自回收之廢硫酸製備三氧化硫之方法及連續製造三氧化硫之裝置
CN104118851A (zh) * 2014-06-20 2014-10-29 马鞍山市华清环保工程有限公司 一种含高浓度有机物废硫酸再生方法
CN106146426A (zh) * 2015-04-25 2016-11-23 成都市华能佳源应用技术研究所 一种环保节能的糖精钠生产工艺
CN110217760B (zh) * 2019-05-23 2021-04-02 北京科技大学 一种焦炉煤气脱硫废液制酸制备工艺
CN112694066B (zh) * 2019-10-23 2022-05-13 中国石油化工股份有限公司 一种废硫酸液氧裂解系统及裂解方法
CN112062194B (zh) * 2020-08-05 2023-04-18 国家能源集团煤焦化有限责任公司 处理含硫污水的方法及桥管
US20230339752A1 (en) * 2022-04-25 2023-10-26 Messer Industries Usa, Inc. Process and apparatus for acid regeneration

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US3316179A (en) * 1965-08-24 1967-04-25 Dow Chemical Co Inhibition of corrosivity of sulfuric acid on carbon steel
US3887488A (en) * 1972-03-08 1975-06-03 Celanese Corp Inhibition of corrosion in sulfuric acid solutions
US3908904A (en) * 1972-10-14 1975-09-30 Davy Powergas Gmbh Ultrasonic atomizer for waste sulfuric acid and use thereof in acid cracking furnaces
US4154791A (en) * 1977-12-27 1979-05-15 Allied Chemical Corporation Inhibition of corrosive attack by sulfuric acid on carbon steel
DE2816469C2 (de) * 1978-04-15 1980-04-10 Davy International Ag, 6000 Frankfurt Verfahren zur thermischen Spaltung von Abfallschwefelsäure
US4256721A (en) * 1979-02-23 1981-03-17 Boc Limited Combustion method and apparatus
US4321231A (en) * 1979-04-11 1982-03-23 Atlantic Richfield Company Process for decreasing the rate of titanium corrosion
US4339617A (en) * 1980-03-31 1982-07-13 Uop Inc. Hydration of olefins in the presence of a corrosion inhibitor
US4376107A (en) * 1981-06-11 1983-03-08 Morgenthaler John H Process for the regeneration of spent sulfuric acid
DE3130841A1 (de) * 1981-08-04 1983-02-24 Bayer Ag, 5090 Leverkusen Verfahren zur spaltung von verduennter schwefelsaeure
DE3361970D1 (en) * 1982-04-14 1986-03-13 Allied Corp Thermal decomposition of waste sulfuric acid
US4490347A (en) * 1983-02-07 1984-12-25 E. I. Du Pont De Nemours And Company Process for sulfuric acid regeneration
DK98191A (da) * 1991-05-24 1992-11-25 Haldor Topsoe As Fremgangsmaade til regenerering af uren svovlsyre
US5240183A (en) * 1991-06-06 1993-08-31 Bete Fog Nozzle, Inc. Atomizing spray nozzle for mixing a liquid with a gas
US5553783A (en) * 1995-01-09 1996-09-10 Bete Fog Nozzle, Inc. Flat fan spray nozzle
US5692682A (en) * 1995-09-08 1997-12-02 Bete Fog Nozzle, Inc. Flat fan spray nozzle
US5628976A (en) * 1995-10-17 1997-05-13 Air Products And Chemicals Cofiring biosolids in a spent sulfuric acid regeneration facility
ATE368002T1 (de) * 1999-06-03 2007-08-15 Rohm & Haas Verfahren zur erzeugung von wiedergewinnbaren schwefelenthaltenden verbindungen aus einem abfallsäurestrom

Also Published As

Publication number Publication date
ES2288831T3 (es) 2008-02-01
DE60035641T2 (de) 2008-04-17
TW539642B (en) 2003-07-01
EP1057781A3 (en) 2001-11-21
DE60035641D1 (de) 2007-09-06
KR100697157B1 (ko) 2007-03-21
EP1057781B1 (en) 2007-07-25
EP1057781A2 (en) 2000-12-06
JP2001029967A (ja) 2001-02-06
CN1276339A (zh) 2000-12-13
US6399040B1 (en) 2002-06-04
BR0002179B1 (pt) 2008-11-18
KR20010049458A (ko) 2001-06-15
ATE368002T1 (de) 2007-08-15

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 31/05/2000, OBSERVADAS AS CONDICOES LEGAIS.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 10A, 11A E 12A ANUIDADE(S), CONF. ART. 87 DA LPI 9.279.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 10A, 11A E 12A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.