[go: up one dir, main page]

SE381658B - Forfarande for separering av melamin fran en het syntesgasblandning som innehaller melaminanga, ammoniak och koldioxid - Google Patents

Forfarande for separering av melamin fran en het syntesgasblandning som innehaller melaminanga, ammoniak och koldioxid

Info

Publication number
SE381658B
SE381658B SE7016828A SE1682870A SE381658B SE 381658 B SE381658 B SE 381658B SE 7016828 A SE7016828 A SE 7016828A SE 1682870 A SE1682870 A SE 1682870A SE 381658 B SE381658 B SE 381658B
Authority
SE
Sweden
Prior art keywords
melaminanga
melamin
ammonia
hot
separation
Prior art date
Application number
SE7016828A
Other languages
English (en)
Swedish (sv)
Inventor
P J C Kaasenbrood
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of SE381658B publication Critical patent/SE381658B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/62—Purification of melamine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
SE7016828A 1969-12-11 1970-12-11 Forfarande for separering av melamin fran en het syntesgasblandning som innehaller melaminanga, ammoniak och koldioxid SE381658B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6918571A NL6918571A (de) 1969-12-11 1969-12-11

Publications (1)

Publication Number Publication Date
SE381658B true SE381658B (sv) 1975-12-15

Family

ID=19808596

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7016828A SE381658B (sv) 1969-12-11 1970-12-11 Forfarande for separering av melamin fran en het syntesgasblandning som innehaller melaminanga, ammoniak och koldioxid

Country Status (14)

Country Link
US (1) US3697519A (de)
JP (1) JPS4917271B1 (de)
AT (1) AT301561B (de)
BE (1) BE760072A (de)
CH (1) CH543523A (de)
DE (1) DE2060929A1 (de)
ES (1) ES386315A1 (de)
FR (1) FR2073065A5 (de)
GB (1) GB1275490A (de)
NL (1) NL6918571A (de)
NO (1) NO131642C (de)
PL (1) PL73475B1 (de)
SE (1) SE381658B (de)
ZA (1) ZA708239B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146120B2 (de) * 1973-08-22 1976-12-07
US4138560A (en) * 1975-06-10 1979-02-06 Basf Aktiengesellschaft Process for cooling melamine synthesis waste gases
DE102005023042B4 (de) * 2005-05-06 2007-10-31 Lurgi Ag Verfahren zur Herstellung von Melamin
EP2050740A1 (de) * 2007-10-15 2009-04-22 Basf Se Verfahren zur Herstellung von Melamin
US9677817B1 (en) 2012-02-29 2017-06-13 The United States Of America As Represented By The Secretary Of The Air Force Method for thermal management through use of ammonium carbamate
CN108465288A (zh) * 2018-05-07 2018-08-31 河南省中原大化集团有限责任公司 一种物料之间热能交换装置及应用方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239522A (en) * 1963-03-12 1966-03-08 Chemical Construction Corp Synthesis of urea and melamine
US3544628A (en) * 1965-09-20 1970-12-01 Pullman Inc Urea synthesis
NL6809253A (de) * 1968-06-29 1969-12-31

Also Published As

Publication number Publication date
AT301561B (de) 1972-09-11
ZA708239B (en) 1971-09-29
NO131642B (de) 1975-03-24
JPS4917271B1 (de) 1974-04-27
GB1275490A (en) 1972-05-24
PL73475B1 (de) 1974-10-30
NO131642C (de) 1975-07-02
US3697519A (en) 1972-10-10
FR2073065A5 (de) 1971-09-24
ES386315A1 (es) 1973-03-16
BE760072A (fr) 1971-06-09
DE2060929A1 (de) 1971-06-16
NL6918571A (de) 1971-06-15
CH543523A (de) 1973-10-31

Similar Documents

Publication Publication Date Title
SE385978B (sv) Forfarande for bestemning av mengden kvevedioxid i en gasblandning
SE7506762L (sv) Integrerad process for syntes av karbamid och ammoniak.
SE381658B (sv) Forfarande for separering av melamin fran en het syntesgasblandning som innehaller melaminanga, ammoniak och koldioxid
SE419215B (sv) Forfarande for framstellning av karbamid ur ammoniak och koldioxid
DK138681B (da) Fremgangsmåde til fremstilling af syntesegas.
CA954455A (en) Slot nozzle for isotope separation of gaseous compounds and method of making the same
DK134388B (da) Fremgangsmåde til fremstilling af kapsler indeholdende gasformig radioisotop til lungeventilation.
NL167135B (nl) Werkwijze voor het drogen van een ammoniaksynthese- gasmengsel.
DK132615C (da) Apparat til fremstilling af en gasblanding indeholdende hydrogen og kulmonoxyd
ZA712113B (en) Mixing nozzle for gases
NL161750C (nl) Werkwijze voor het afscheiden van melamine uit een gasvormig reactiemengsel van melamine, ammoniak en kooldioxyde.
IT951852B (it) Miscuglio gassoso combustibile
AT307432B (de) Verfahren zur Gewinnung von Melamin aus einem heißen melamindampf-, ammoniak- und kohlendioxydhaltigen Synthesegasgemisch
DK263875A (da) Fremgangsmade til centrifugalseparering af gasblandinger
DK130279B (da) Fremgangsmåde til rensning af gasser indeholdende gasformigt kviksølv.
BR6910314D0 (pt) Processo e aparelho para a recuperacao de melamina de uma mistura de gas de sintese quente contendo vapor de melamina
SE409447B (sv) Apparat anpassad for utforande av absorption av gasformiga substanser, som utvecklar verme, speciellt ammoniak
CH524388A (fr) Procédé d'enrichissement d'un mélange isotopique gazeux
SE424733B (sv) Forfarande for framstellning av friflytande blandningar av alkyletrar av metylolerade melaminer, kimrok och kiseldioxidforeningar
CA843447A (en) Process for the recovery of melamine from a synthesis gas mixture containing hot melamine vapour
NL149157B (nl) Werkwijze voor het winnen van acrylzuurnitrile uit een gasvormig mengsel, dat acrylzuurnitrile, cyaanwaterstofzuur, acroleien, ammoniak en zuurstof bevat.
DK134011B (da) Fremgangsmåde til fremstilling af arylsulfonyl-urinstoffer.
CA858584A (en) Method for the separation of melamine from a gaseous reaction mixture of melamine, ammonia and carbon dioxide
AU434782B2 (en) Recovery of melamine from a synthesis gas mixture
DK124131B (da) Analogifremgangsmåde til fremstilling af 1-substituerede-3-(2-pyrimidyl)-urinstofderivater.