BR112013021065A2 - process for preparing chlorine from hydrogen chloride and using liquid hydrogen chloride - Google Patents

process for preparing chlorine from hydrogen chloride and using liquid hydrogen chloride

Info

Publication number
BR112013021065A2
BR112013021065A2 BR112013021065A BR112013021065A BR112013021065A2 BR 112013021065 A2 BR112013021065 A2 BR 112013021065A2 BR 112013021065 A BR112013021065 A BR 112013021065A BR 112013021065 A BR112013021065 A BR 112013021065A BR 112013021065 A2 BR112013021065 A2 BR 112013021065A2
Authority
BR
Brazil
Prior art keywords
hydrogen chloride
flow
chlorine
stream
oxygen
Prior art date
Application number
BR112013021065A
Other languages
Portuguese (pt)
Inventor
Pallasch Hans-Jurgen
Schelling Heiner
Van Den Abeel Peter
Einig Till
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Publication of BR112013021065A2 publication Critical patent/BR112013021065A2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/03—Preparation from chlorides
    • C01B7/04—Preparation of chlorine from hydrogen chloride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C01B7/0706—Purification ; Separation of hydrogen chloride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C01B7/0706—Purification ; Separation of hydrogen chloride
    • C01B7/0712—Purification ; Separation of hydrogen chloride by distillation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C01B7/0743—Purification ; Separation of gaseous or dissolved chlorine

Abstract

processo para preparar cloro a partir de cloreto de hidrogênio e uso de cloreto de hidrogênio líquido a invenção diz respeito a um método para produzir cloro a partir de cloreto de hidrogênio compreendendo as seguintes etapas: a) preparo de um fluxo de cloreto de hidrogênio líquida a disponível com um fluxo refrigerante; b) alimentação de pelo menos um fluxo b1 que contém cloreto de hidrogênio e um fluxo b2 que contém oxigênio em uma zona de oxidação de cloreto de hidrogênio e oxidação catalítica de cloreto de hidrogênio em cloro, dando uma corrente de gás de produto b3 compreendendo cloro, água, oxigênio, dióxido de carbono e gases inertes; c) colocar o fluxo de gás de produto b3 em contato com ácido clorídrico aquoso i em um aparelho de contato de fases e separação parcial de água e cloreto de hidrogênio da corrente b3, deixando um fluxo de gás e compreendendo cloreto de hidrogênio, cloro, água, oxigênio, dióxido de carbono e possivelmente gases inertes; d) secagem do fluxo de gás c para deixar um fluxo de gás d essencialmente sem água compreendendo cloreto de hidrogênio, cloro, oxigênio, dióxido de carbono e possivelmente gases inertes; e) liquefação parcial da corrente de gás do fluxo por compressão e resfriamento, um fluxo pelo menos parcialmente liquefeito e sendo obtido; f) separação gás/líquido do fluxo e em um fluxo de gás f1 compreendendo cloro, oxigênio, dióxido de carbono, cloreto de hidrogênio e possívelmente gases inertes e um fluxo líquido f2 compreendendo cloreto de hidrogênio, cloro, oxigênio e dióxido de carbono e opcionalmente recirculação de pelo menos parte do fluxo de gás f1 na etapa b); g) separação do fluxo líquido f2 por destilação em uma coluna para dar um fluxo de cloro g1 e um fluxo g2 que consiste substancialmente em cloreto de hidrogênio, oxigênio e dióxido de carbono; o resfriamento e liquefação parcial do fluxo de gás d na etapa e) sendo o resultado da troca de calor com o fluxo de cloreto de hidrogênio líquida a,pelo menos uma parte dop fluxo de cloreto de hidrogênio líquido a sendo evaporado e esta parte sendo obtida como um fluxo de cloreto de hidrogênio gasoso a'.Process for Preparing Chlorine from Hydrogen Chloride and Using Liquid Hydrogen Chloride The invention relates to a method for producing chlorine from hydrogen chloride comprising the following steps: a) preparing a flow of liquid hydrogen chloride at available with a refrigerant flow; b) feeding at least one hydrogen chloride-containing stream b1 and oxygen-containing stream b2 into a zone of hydrogen chloride oxidation and catalytic oxidation of hydrogen chloride to chlorine giving a gas stream of product b3 comprising chlorine , water, oxygen, carbon dioxide and inert gases; c) contacting the gas stream of product b3 with aqueous hydrochloric acid i in a phase contact apparatus and partially separating water and hydrogen chloride from stream b3, leaving a gas stream and comprising hydrogen chloride, chlorine, water, oxygen, carbon dioxide and possibly inert gases; d) drying the gas stream c to leave a gas stream d essentially without water comprising hydrogen chloride, chlorine, oxygen, carbon dioxide and possibly inert gases; e) partial liquefaction of the gas stream from the compression and cooling flow, a flow that is at least partially liquefied and being obtained; f) gas / liquid separation from the flow and into a gas flow f1 comprising chlorine, oxygen, carbon dioxide, hydrogen chloride and possibly inert gases and a liquid flow f2 comprising hydrogen chloride, chlorine, oxygen and carbon dioxide and optionally recirculation of at least part of gas stream f1 in step b); g) separating the liquid stream f2 by distillation on a column to give a chlorine stream g1 and a stream g2 consisting substantially of hydrogen chloride, oxygen and carbon dioxide; cooling and partial liquefaction of the gas stream d in step e) being the result of heat exchange with the liquid hydrogen chloride flow at at least a part of the liquid hydrogen chloride flow being evaporated and this part being obtained as a flow of gaseous hydrogen chloride a '.

BR112013021065A 2011-02-18 2012-02-16 process for preparing chlorine from hydrogen chloride and using liquid hydrogen chloride BR112013021065A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11155048 2011-02-18
PCT/EP2012/052684 WO2012110597A1 (en) 2011-02-18 2012-02-16 Use of liquid hydrogen chloride as a refrigerant in methods for producing chlorine

Publications (1)

Publication Number Publication Date
BR112013021065A2 true BR112013021065A2 (en) 2019-09-24

Family

ID=45592415

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013021065A BR112013021065A2 (en) 2011-02-18 2012-02-16 process for preparing chlorine from hydrogen chloride and using liquid hydrogen chloride

Country Status (6)

Country Link
EP (1) EP2675751A1 (en)
JP (1) JP2014514228A (en)
KR (1) KR20140007899A (en)
CN (1) CN103476705A (en)
BR (1) BR112013021065A2 (en)
WO (1) WO2012110597A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3421426A1 (en) * 2017-06-29 2019-01-02 Covestro Deutschland AG Energy-efficient process for providing phosgene steam
CN109453764A (en) * 2018-11-16 2019-03-12 西安元创化工科技股份有限公司 Ruthenic oxide catalyst and preparation method thereof for preparing chlorine by oxidizing hydrogen chloride
CN109879251A (en) * 2019-03-07 2019-06-14 南京工程学院 A kind of hydrogen chloride synthesis system based on total energy approach
JP2024515354A (en) * 2021-04-21 2024-04-09 ベーアーエスエフ・エスエー Process for preparing chlorine
CN115583631A (en) * 2022-10-13 2023-01-10 鹤壁德瑞科技有限公司 Method and device for preparing chlorine trifluoride

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL129282C (en) * 1963-10-21
GB1139523A (en) * 1966-02-10 1969-01-08 Pullman Inc Recovery of halogens from gaseous mixtures
US5490390A (en) 1994-05-13 1996-02-13 Ppg Industries, Inc. Liquefaction of chlorine or other substances
DE19535716A1 (en) 1995-09-26 1997-03-27 Bayer Ag Process for working up the reaction gases in the oxidation of HCl to chlorine
DE10260084A1 (en) 2002-12-19 2004-07-01 Basf Ag Separation of a mixture of hydrogen chloride and phosgene
DE102005008612A1 (en) * 2005-02-23 2006-08-24 Basf Ag Chlorine production from hydrogen chloride, comprises feeding hydrogen chloride containing stream, feeding, cooling and drying product gas stream, liquefacting the gas stream and separating gas/liquid stream and aqueous hydrochloric acid
JP4921489B2 (en) * 2006-01-27 2012-04-25 ビーエーエスエフ ソシエタス・ヨーロピア Chlorine production method
DE102006023581A1 (en) 2006-05-19 2007-11-22 Bayer Materialscience Ag Process for separating chlorine from the product gas of an HCl oxidation process

Also Published As

Publication number Publication date
JP2014514228A (en) 2014-06-19
WO2012110597A1 (en) 2012-08-23
KR20140007899A (en) 2014-01-20
EP2675751A1 (en) 2013-12-25
CN103476705A (en) 2013-12-25

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
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: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2543 DE 01-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.