BR9905929A - Processo para reduzir ácido nìtrico - Google Patents

Processo para reduzir ácido nìtrico

Info

Publication number
BR9905929A
BR9905929A BR9905929-0A BR9905929A BR9905929A BR 9905929 A BR9905929 A BR 9905929A BR 9905929 A BR9905929 A BR 9905929A BR 9905929 A BR9905929 A BR 9905929A
Authority
BR
Brazil
Prior art keywords
nitric acid
gaseous
reaction
gas bubbles
removal
Prior art date
Application number
BR9905929-0A
Other languages
English (en)
Inventor
Diego Fernandez Echegaray
Antonio Augusto M Veloso
Matthew Lincoln Wagner
Original Assignee
Praxair Technology Inc
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 Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of BR9905929A publication Critical patent/BR9905929A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
    • C01B21/262—Preparation by catalytic or non-catalytic oxidation of ammonia obtaining nitrogen dioxide or tetroxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/40—Preparation by absorption of oxides of nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

"PROCESSO PARA PRODUZIR áCIDO NìTRICO". é descrito um processo para produção de ácido nítrico envolvendo oxidação de amónia gasosa para formar tetróxido de dinitrogênio gasoso, reação do tetróxido de dinitrogênio com água em uma zona de absorção para formar ácido nítrico aquoso e óxido nítrico gasoso, remoção de uma corrente de ácido nítrico/óxido nítrico da zona de absorção e alimentação da corrente para dentro de uma zona de alvejamento de ácido nítrico, remoção de impurezas do ácido nítrico na zona de alvejamento para formar produto de ácido nítrico e adição de oxigênio gasoso suplementar em uma ou mais correntes de reação para aumentar a produção e/ou a concentração de ácido nítrico. A melhoria envolve injeção de oxigênio suplementar dentro de uma corrente de processo contendo ácido nítrico para formar uma mistura de bolhas gasosas/líquido na corrente, formando a mistura uma fina dispersão de bolhas gasosas possuindo diâmetros menores do que cerca de 0,1 mm. De acordo com a invenção, superfície interfacial aumentada é gerada entre as bolhas gasosas e a mistura líquida para facilitar remoção de impurezas da fase líquida e deslocamento da reação.
BR9905929-0A 1998-12-24 1999-12-21 Processo para reduzir ácido nìtrico BR9905929A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/220,818 US6165435A (en) 1998-12-24 1998-12-24 Method and production of nitric acid

Publications (1)

Publication Number Publication Date
BR9905929A true BR9905929A (pt) 2000-08-15

Family

ID=22825105

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9905929-0A BR9905929A (pt) 1998-12-24 1999-12-21 Processo para reduzir ácido nìtrico

Country Status (9)

Country Link
US (1) US6165435A (pt)
EP (1) EP1013604B1 (pt)
KR (1) KR100501462B1 (pt)
CN (1) CN1157329C (pt)
BR (1) BR9905929A (pt)
CA (1) CA2293004C (pt)
DE (1) DE69902139T2 (pt)
ES (1) ES2177193T3 (pt)
ID (1) ID24018A (pt)

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DE102005023161A1 (de) * 2005-05-19 2006-11-23 Siemens Ag Verfahren und Anlage zur Herstellung von Salpetersäure
CN100396360C (zh) * 2006-04-24 2008-06-25 南京大学 一种工业过程氮氧化物(nox)废气治理及资源化的方法
BRPI0801209B1 (pt) * 2008-04-14 2017-07-04 White Martins Gases Industriais Ltda. Ethanol fermentation system
EP2687086B1 (en) * 2008-07-24 2016-09-14 Geno LLC Methods for diagnosing and treating a heart condition in a patient
UA91614C2 (uk) * 2008-11-28 2010-08-10 Іван Іванович Барабаш Спосіб виробництва азотної кислоти (варіанти) і агрегат для виробництва азотної кислоти
CN101575089B (zh) * 2009-06-10 2010-12-29 上海化工研究院 一种18o-硝酸的制备方法
CN101837961B (zh) * 2010-05-25 2012-08-22 安徽淮化股份有限公司 一种符合节能减排及低成本配制稀硝酸的方法及装置
BR112013013700B1 (pt) * 2010-12-01 2020-04-07 Orica Int Pte Ltd processo para a produção de ácido nítrico
CN102491292A (zh) * 2011-12-06 2012-06-13 中国成达工程有限公司 一种低消耗、低排放的硝酸生产方法及其生产设备
KR102037702B1 (ko) 2012-03-05 2019-10-29 바스프 에스이 내부 필터 요소를 갖는 암모니아 산화 반응기
CN103112835B (zh) * 2012-11-11 2014-11-26 安徽金禾实业股份有限公司 一种浓硝酸生产过程中的间接漂白方法
DE102013002201A1 (de) * 2013-02-07 2014-08-07 Messer Austria Gmbh Verfahren und Produktionsanlage zum Herstellen von Salpetersäure
DE102013004341A1 (de) * 2013-03-14 2014-09-18 Thyssenkrupp Uhde Gmbh Verfahren zur Oxidation von Ammoniak und dafür geeignete Anlage
CN103395759B (zh) * 2013-08-02 2015-01-14 柳州化工股份有限公司 一种配制硝酸水溶液脱色方法
CN103395758B (zh) * 2013-08-02 2015-03-25 柳州化工股份有限公司 一种配制硝酸水溶液的装置
DE102014006017B4 (de) 2014-04-23 2022-04-21 Messer Group Gmbh Verfahren und Vorrichtung zum Herstellen von Salpetersäure
KR101669976B1 (ko) * 2014-11-27 2016-11-09 휴켐스주식회사 질산의 제조방법
CN105134560A (zh) * 2015-08-23 2015-12-09 安徽金禾实业股份有限公司 硝酸生产中对压缩机进口空气进行冷冻脱湿的方法
DE102015014185A1 (de) 2015-11-03 2017-05-18 Messer Group Gmbh Verfahren zur Herstellung von Peroxosalpetersäure
CN105883735A (zh) * 2016-05-13 2016-08-24 河南心连心化肥有限公司 一种富氧法制硝酸装置及其硝酸生产方法
DE102016015322A1 (de) 2016-12-22 2018-06-28 Messer Group Gmbh Vorrichtung und Verfahren zum Eintragen von Gas in eine Mehrzahl von Prozessfluiden
CN106744746B (zh) * 2017-02-17 2018-11-02 交城县金兰化工有限公司 一种环保高效的硝酸生产方法
EP3372556A1 (en) * 2017-03-07 2018-09-12 Casale Sa A plant for the production of nitric acid, a related process and method of revamping
DE102017004329A1 (de) * 2017-05-04 2018-11-08 Messer Group Gmbh Verfahren und Vorrichtung zum Eintragen eines Gases in eine Flüssigkeit
CN109879258B (zh) * 2019-02-20 2024-03-08 浙江瀚普智慧科技有限公司 一种氮氧化物高效氧化吸收制硝酸的装置及方法
BR112021012336A2 (pt) * 2019-02-22 2021-08-31 Yara International Asa Torre de branqueamento vertical, métodos de branqueamento e para produzir ácido nítrico, e, usos de uma torre de branqueamento vertical e de um recheio estruturado
CN110540178B (zh) * 2019-09-10 2024-02-02 中国成达工程有限公司 一种中压法硝酸生产工艺及其生产设备
CN112473570A (zh) * 2019-09-11 2021-03-12 南京延长反应技术研究院有限公司 一种基于微界面强化的硝酸工业制备系统及工艺
DE102020002008A1 (de) 2020-03-27 2021-09-30 Messer Group Gmbh Verfahren und Produktionsanlage zum Herstellen von Salpetersäure
EP3904280A1 (en) * 2020-04-29 2021-11-03 Yara International ASA Absorption column comprising a feed box having a serrated weir and a structured packing and process for the production of nitric acid
DE102020003083A1 (de) * 2020-05-22 2021-11-25 Messer Group Gmbh Verfahren und Produktionsanlage zum Herstellen von Salpetersäure
CN116395715B (zh) * 2023-06-07 2023-08-18 河北正元化工工程设计有限公司 一种绿氢、灰氢耦合制氨联产硝酸与硝酸铵工艺

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US5985230A (en) * 1996-10-03 1999-11-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Nitric acid production

Also Published As

Publication number Publication date
EP1013604B1 (en) 2002-07-17
ID24018A (id) 2000-06-29
EP1013604A1 (en) 2000-06-28
CA2293004C (en) 2003-05-13
CN1157329C (zh) 2004-07-14
KR20000052536A (ko) 2000-08-25
CA2293004A1 (en) 2000-06-24
DE69902139D1 (de) 2002-08-22
KR100501462B1 (ko) 2005-07-18
ES2177193T3 (es) 2002-12-01
CN1261594A (zh) 2000-08-02
DE69902139T2 (de) 2003-01-16
US6165435A (en) 2000-12-26

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A E 6A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1849 DE 13/06/2006.