ES8105304A1 - Procedimiento para la obtencion de acido cianurico puro - Google Patents

Procedimiento para la obtencion de acido cianurico puro

Info

Publication number
ES8105304A1
ES8105304A1 ES493534A ES493534A ES8105304A1 ES 8105304 A1 ES8105304 A1 ES 8105304A1 ES 493534 A ES493534 A ES 493534A ES 493534 A ES493534 A ES 493534A ES 8105304 A1 ES8105304 A1 ES 8105304A1
Authority
ES
Spain
Prior art keywords
cyanuric acid
preparing pure
pure cyanuric
sulfuric acid
melamine
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES493534A
Other languages
English (en)
Other versions
ES493534A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Patheon Austria GmbH and Co KG
Original Assignee
Chemie Linz AG
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 Chemie Linz AG filed Critical Chemie Linz AG
Publication of ES8105304A1 publication Critical patent/ES8105304A1/es
Publication of ES493534A0 publication Critical patent/ES493534A0/es
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C07D251/30—Only oxygen atoms
    • C07D251/32—Cyanuric acid; Isocyanuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

PROCEDIMIENTO DE OBTENCION DE ACIDO CIANURICO PURO. CONSISTE EN HIDROLIZAR LA MELANINA BRUTA O RESIDUAL CON ACIDO SULFURICO A TEMPERATURA AMBIENTE EN CANTIDAD EQUIVALENTE A LA FORMACION DEL BISULFATO AMONICO DE ACIDO SULFURICO DEL 0 AL 80 POR 100 BAJO AGITACION, CALENTANDOSE A CONTINUACION LA MEZCLA DE REACCION DURANTE 1 A 2 HORAS BAJO DESTILACION DEL AGUA INTRODUCIDA CON EL ACIDO SULFURICO A UNA TEMPERATURA DE 150 A 190GC. SE AÑADE AGUA REFRIGERACION DE LA MEZCLA DE REACCION A TEMPERATURA AMBIENTE, SEGUIDO DE CRISTALIZACION, FILTRACION, SUSPENSION Y NUEVA FILTRACION. LA TEMPERATURA DE REACCION ESTA COMPRENDIDA ENTRE 160 Y 190GC. R
ES493534A 1979-07-19 1980-07-18 Procedimiento para la obtencion de acido cianurico puro Granted ES493534A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792929211 DE2929211A1 (de) 1979-07-19 1979-07-19 Verfahren zur herstellung von reiner cyanursaeure

Publications (2)

Publication Number Publication Date
ES8105304A1 true ES8105304A1 (es) 1981-05-16
ES493534A0 ES493534A0 (es) 1981-05-16

Family

ID=6076147

Family Applications (1)

Application Number Title Priority Date Filing Date
ES493534A Granted ES493534A0 (es) 1979-07-19 1980-07-18 Procedimiento para la obtencion de acido cianurico puro

Country Status (8)

Country Link
US (1) US4278794A (es)
EP (1) EP0023556B1 (es)
JP (1) JPS5616479A (es)
AT (1) ATE2073T1 (es)
DE (2) DE2929211A1 (es)
ES (1) ES493534A0 (es)
PL (1) PL225472A1 (es)
SU (1) SU931105A3 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3316963A1 (de) * 1983-05-09 1984-11-15 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München Verfahren zur herstellung von reiner cyanursaeure
AT377983B (de) * 1983-05-16 1985-05-28 Chemie Linz Ag Verfahren zur herstellung von reiner cyanursaeure
US4663387A (en) * 1985-04-02 1987-05-05 Kuwait Institute For Scientific Research Utilization of melamine waste effluent
JPH0753499B2 (ja) * 1988-05-12 1995-06-07 三菱電機株式会社 エアバッグ装置の故障検出装置
AU2005272367B2 (en) 2004-08-10 2009-02-12 Ajinomoto Co., Inc. The use of phosphoketolase for producing useful metabolites
US7998311B2 (en) * 2008-07-24 2011-08-16 Hercules Incorporated Enhanced surface sizing of paper
CN102321037A (zh) * 2011-06-02 2012-01-18 郑州大学 一种三聚氰胺oat废渣资源化利用方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067027B (de) * 1959-10-01 American Cyanamid Company New York, N Y (V St A) Verfahren zur Herstellung von Cyanursäure
US2943088A (en) * 1959-06-22 1960-06-28 Westfall Richard Howard Production of cyanuric acid from urea
US3325493A (en) * 1963-08-13 1967-06-13 Showa Denko Kk Process for producing cyanuric acid from melamine purification waste mother liquor
BE704239A (es) * 1967-09-25 1968-02-01
US3563987A (en) * 1969-04-01 1971-02-16 Fmc Corp Preparation of cyanuric acid
US3761474A (en) * 1971-03-22 1973-09-25 Fmc Corp Purification of crude cyanuric acid
US3886153A (en) * 1974-01-09 1975-05-27 Fmc Corp Purification of cyanuric acid
US4031091A (en) * 1974-03-04 1977-06-21 Fmc Corporation Process for purifying crude cyanuric acid
US4029660A (en) * 1974-10-02 1977-06-14 Fmc Corporation Crude cyanuric acid purification
US3996225A (en) * 1975-12-09 1976-12-07 Fmc Corporation Manufacture of cyanuric acid

Also Published As

Publication number Publication date
US4278794A (en) 1981-07-14
ES493534A0 (es) 1981-05-16
DE2929211A1 (de) 1981-02-05
EP0023556B1 (de) 1982-12-22
PL225472A1 (es) 1981-03-27
ATE2073T1 (de) 1983-01-15
SU931105A3 (ru) 1982-05-23
DE3061419D1 (en) 1983-01-27
EP0023556A1 (de) 1981-02-11
JPS5616479A (en) 1981-02-17

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