AR213610A1 - Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y urea - Google Patents

Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y urea

Info

Publication number
AR213610A1
AR213610A1 AR253709A AR25370974A AR213610A1 AR 213610 A1 AR213610 A1 AR 213610A1 AR 253709 A AR253709 A AR 253709A AR 25370974 A AR25370974 A AR 25370974A AR 213610 A1 AR213610 A1 AR 213610A1
Authority
AR
Argentina
Prior art keywords
biuret
urea
procedure
substance including
unwanted content
Prior art date
Application number
AR253709A
Other languages
English (en)
Original Assignee
Guanos Fertilizantes Mexico Sa
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
Priority claimed from IT2416173A external-priority patent/IT987491B/it
Application filed by Guanos Fertilizantes Mexico Sa filed Critical Guanos Fertilizantes Mexico Sa
Application granted granted Critical
Publication of AR213610A1 publication Critical patent/AR213610A1/es

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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
AR253709A 1973-05-16 1974-05-13 Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y urea AR213610A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2416173A IT987491B (it) 1973-05-16 1973-05-16 Procedimento per ridurre il con tenuto di biureto nella urea
GB2327273A GB1404098A (en) 1973-05-16 1973-05-16 Process for reducing the biuret content in urea

Publications (1)

Publication Number Publication Date
AR213610A1 true AR213610A1 (es) 1979-02-28

Family

ID=26256424

Family Applications (1)

Application Number Title Priority Date Filing Date
AR253709A AR213610A1 (es) 1973-05-16 1974-05-13 Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y urea

Country Status (18)

Country Link
AR (1) AR213610A1 (es)
AT (1) AT344723B (es)
BE (1) BE815096A (es)
BG (1) BG21603A3 (es)
BR (1) BR7403961D0 (es)
CA (1) CA1019344A (es)
CH (1) CH617672A5 (es)
CS (1) CS203001B2 (es)
DD (1) DD113897A5 (es)
EG (1) EG11437A (es)
FR (1) FR2229690B1 (es)
GB (1) GB1404098A (es)
IN (1) IN142126B (es)
LU (1) LU70102A1 (es)
NL (1) NL7406618A (es)
SE (1) SE420196B (es)
SU (1) SU953978A3 (es)
ZA (1) ZA743136B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345099A (en) * 1981-08-10 1982-08-17 Union Oil Company Of California Method of selectively removing biuret from urea and compositions for use therein
DE102004005907B4 (de) 2004-02-05 2006-01-05 Uhde Gmbh Anlage zur Herstellung von biuretarmem harnstoffhaltigem Düngemittelgranulat
RU2472777C1 (ru) * 2011-11-23 2013-01-20 Фарид Алекович Батуллин Способ получения кристаллического карбамида высокой очистки
DE102019118702A1 (de) 2019-07-10 2021-01-14 Thyssenkrupp Ag Reduzierung der biuretgeneration in der harnstoffproduktion

Also Published As

Publication number Publication date
SU953978A3 (ru) 1982-08-23
DD113897A5 (es) 1975-07-05
ATA406174A (de) 1977-12-15
LU70102A1 (es) 1976-04-13
ZA743136B (en) 1975-08-27
BR7403961D0 (pt) 1974-12-24
FR2229690B1 (es) 1976-12-24
BG21603A3 (es) 1976-07-20
CS203001B2 (en) 1981-02-27
SE420196B (sv) 1981-09-21
FR2229690A1 (es) 1974-12-13
NL7406618A (es) 1974-11-19
AU6904674A (en) 1975-11-20
CH617672A5 (en) 1980-06-13
EG11437A (en) 1977-08-15
GB1404098A (en) 1975-08-28
AT344723B (de) 1978-08-10
BE815096A (fr) 1974-11-18
IN142126B (es) 1977-06-04
CA1019344A (en) 1977-10-18
DE2423890B2 (de) 1976-04-15
DE2423890A1 (de) 1974-12-12

Similar Documents

Publication Publication Date Title
CS188185B2 (en) Fungicide agent and method of preparation of active substances
AR220743A1 (es) Material de filtro para medios gaseosos o liquidos,metodo para producirlo y filtro que lo incluye
MX154517A (es) Mejoras en aparato para procesar frutas y similares
BR6915323D0 (pt) Processo para preparar e conservar alimentos prontos para consumo e involucro para o mesmo
MX154518A (es) Mejoras en aparato para procesar frutas y similares
BR7600484A (pt) Composicao para o desfolhamento de plantas,processo para a preparacao dos compostos contidos na composicao e sua aplicacao
NO139189C (no) Anlegg for forbrenning av avfall og lignende stoffer
BR7500854A (pt) Fertilizante e processo para sua preparacao
AR200719A1 (es) Aparato y metodo para retirar una cantidad uniforme de solidos
BR6910970D0 (pt) Processo e aparelho para preservacao de substancias biologicas
BR7402634D0 (pt) Dispositivo intra-vaginal e processo para sua utilizacao
BR7408419A (pt) Processo para supressao pelo menos parcial de refugos prejudiciais e dispositivo para realizacao do mesmo
AR199559A1 (es) Una bolsa de filtro mejorada y un metodo para su preparacion
AR213610A1 (es) Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y urea
AR220954A1 (es) Aparato para descabezar y eviscerar pescados
BR8101563A (pt) Ureia, processo para sua preparacao, composicao e seu emprego
BR6911468D0 (pt) Novos materiais fragrantes e processo para sua preparacao
BR7904409A (pt) Compostos heterociclicos,processo para sua preparacao,azocorantes,processo para sua preparacao e seu emprego
AR221891A1 (es) Particulas abrasivas,un producto que las contienen y un procedimiento para su preparacion
NL7713761A (nl) Oxytetracycline bevattende farmaceutische pre- paraten en werkwijze ter bereiding daarvan.
NL187908C (nl) Werkwijze ter bereiding van middelen ter bescherming van planten alsmede werkwijzen ter bereiding van werkzame stoffen daarvoor.
BR6911651D0 (pt) Compostos tendo atividade anti-xistosomose e processo para sua preparacao
BR7206053D0 (pt) Processo de secagem e secador para substancias granulares
BR7604457A (pt) Metodo para preparar coquilnas descartadas para a re-utilizacao de seu material e um dispositivo para executar o metodo
NO149133C (no) Fremgangsmaate for reduksjon av biuretinnholdet i urea