SG11202100691YA - Process for the purification of hydrogen cyanide - Google Patents

Process for the purification of hydrogen cyanide

Info

Publication number
SG11202100691YA
SG11202100691YA SG11202100691YA SG11202100691YA SG11202100691YA SG 11202100691Y A SG11202100691Y A SG 11202100691YA SG 11202100691Y A SG11202100691Y A SG 11202100691YA SG 11202100691Y A SG11202100691Y A SG 11202100691YA SG 11202100691Y A SG11202100691Y A SG 11202100691YA
Authority
SG
Singapore
Prior art keywords
purification
hydrogen cyanide
cyanide
hydrogen
Prior art date
Application number
SG11202100691YA
Other languages
English (en)
Inventor
Martin Körfer
Michael Eicker
Catrin Dorothee Becker
Thorsten Merker
Marko Bussmann
Original Assignee
Evonik Operations Gmbh
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 Evonik Operations Gmbh filed Critical Evonik Operations Gmbh
Publication of SG11202100691YA publication Critical patent/SG11202100691YA/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
    • C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/007—Energy recuperation; Heat pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/008—Liquid distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/02—Preparation, separation or purification of hydrogen cyanide
    • C01C3/0295—Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/22—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of hydropolysulfides or polysulfides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/26—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/26—Separation; Purification; Stabilisation; Use of additives
    • C07C319/28—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/23—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SG11202100691YA 2018-07-30 2019-07-17 Process for the purification of hydrogen cyanide SG11202100691YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18186212.9A EP3604222A1 (en) 2018-07-30 2018-07-30 Process for the purification of hydrogen cyanide
PCT/EP2019/069235 WO2020025322A1 (en) 2018-07-30 2019-07-17 Process for the purification of hydrogen cyanide

Publications (1)

Publication Number Publication Date
SG11202100691YA true SG11202100691YA (en) 2021-02-25

Family

ID=63244377

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202100691YA SG11202100691YA (en) 2018-07-30 2019-07-17 Process for the purification of hydrogen cyanide

Country Status (8)

Country Link
US (1) US11939281B2 (zh)
EP (2) EP3604222A1 (zh)
JP (1) JP7413350B2 (zh)
CN (1) CN112512973B (zh)
BR (1) BR112021001724A2 (zh)
ES (1) ES2908891T3 (zh)
SG (1) SG11202100691YA (zh)
WO (1) WO2020025322A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023072998A1 (de) 2021-10-29 2023-05-04 Röhm Gmbh Optimiertes verfahren zur herstellung und isolierung von blausäure sowie verfahren zu deren umsetzung zu methacrylsäure (mas) und/oder alkylmethacrylat

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198895B1 (zh) * 1972-09-07 1977-02-25 Du Pont
DE10317929A1 (de) * 2003-04-17 2004-11-11 Basf Ag Verfahren zur Aufreinigung von Blausäure
WO2006100218A1 (en) * 2005-03-22 2006-09-28 Shell Internationale Research Maatschappij B.V. Method and apparatus for deriching a stream of liquefied natural gas
CN101091835B (zh) * 2006-06-22 2010-05-12 中国石油化工股份有限公司 一种并联换热的抽提蒸馏方法
DE102008044218A1 (de) * 2008-12-01 2010-06-02 Evonik Röhm Gmbh Verfahren zur Herstellung von einem Carbonsäureamid aus einer Carbonylverbindung und Blausäure
MY174539A (en) 2011-02-23 2020-04-24 Evonik Degussa Gmbh Method for producing 2-hydroxy-4-(methylthio)butanenitrile from 3-(methylthio)propanal and hydrogen cyanide
CN204057983U (zh) * 2012-12-18 2014-12-31 因温斯特技术公司 用于减少安德卢梭法中催化剂中毒的系统
CN203833629U (zh) * 2012-12-18 2014-09-17 英威达科技公司 用于生产氰化氢的反应装置
WO2015006548A1 (en) * 2013-07-12 2015-01-15 Invista Technologies S.A R.L. Hydrogen cyanide manufacturing process with second waste heat boiler
CN104922926A (zh) * 2014-03-21 2015-09-23 英尼奥斯欧洲股份公司 头馏分塔塔顶系统
SG11201706530RA (en) * 2015-02-13 2017-09-28 Basf Se Process for the regeneration of a titanium zeolite catalyst for propylene epoxidation
JP2018521946A (ja) 2015-07-14 2018-08-09 ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー シアン化水素からニトリル類を除去するための方法
CN105366692B (zh) * 2015-12-04 2018-03-30 中国天辰工程有限公司 一种制取高纯液态氰化氢工艺及系统
CN106365178B (zh) 2016-08-29 2018-07-27 重庆紫光化工股份有限公司 一种氢氰酸的提纯方法

Also Published As

Publication number Publication date
WO2020025322A1 (en) 2020-02-06
EP3830033B1 (en) 2022-01-26
US11939281B2 (en) 2024-03-26
ES2908891T3 (es) 2022-05-04
JP7413350B2 (ja) 2024-01-15
CN112512973A (zh) 2021-03-16
CN112512973B (zh) 2024-02-06
EP3830033A1 (en) 2021-06-09
EP3604222A1 (en) 2020-02-05
JP2021533064A (ja) 2021-12-02
US20210269396A1 (en) 2021-09-02
KR20210034658A (ko) 2021-03-30
BR112021001724A2 (pt) 2021-04-27

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