BG21603A3 - Метод за намаляване на количеството биорет в карбамида - Google Patents

Метод за намаляване на количеството биорет в карбамида

Info

Publication number
BG21603A3
BG21603A3 BG026705A BG2670574A BG21603A3 BG 21603 A3 BG21603 A3 BG 21603A3 BG 026705 A BG026705 A BG 026705A BG 2670574 A BG2670574 A BG 2670574A BG 21603 A3 BG21603 A3 BG 21603A3
Authority
BG
Bulgaria
Prior art keywords
bioreth
urea
reducing
amount
Prior art date
Application number
BG026705A
Other languages
Bulgarian (bg)
English (en)
Inventor
Ramon Marin
Jose Fuentes
Original Assignee
Guanos Y Fertilizantes De 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 Y Fertilizantes De Mexico Sa filed Critical Guanos Y Fertilizantes De Mexico Sa
Publication of BG21603A3 publication Critical patent/BG21603A3/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
    • 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)
BG026705A 1973-05-16 1974-05-16 Метод за намаляване на количеството биорет в карбамида BG21603A3 (bg)

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
BG21603A3 true BG21603A3 (bg) 1976-07-20

Family

ID=26256424

Family Applications (1)

Application Number Title Priority Date Filing Date
BG026705A BG21603A3 (bg) 1973-05-16 1974-05-16 Метод за намаляване на количеството биорет в карбамида

Country Status (18)

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

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
RO131559A2 (ro) * 2011-11-23 2016-12-30 Farid Alekovich Batullin Metodă pentru obţinerea carbamidei cristaline cu puritate ridicată
DE102019118702A1 (de) 2019-07-10 2021-01-14 Thyssenkrupp Ag Reduzierung der biuretgeneration in der harnstoffproduktion

Also Published As

Publication number Publication date
DE2423890B2 (de) 1976-04-15
CH617672A5 (en) 1980-06-13
ATA406174A (de) 1977-12-15
AT344723B (de) 1978-08-10
SE420196B (sv) 1981-09-21
DE2423890A1 (de) 1974-12-12
NL7406618A (ja) 1974-11-19
BR7403961D0 (pt) 1974-12-24
DD113897A5 (ja) 1975-07-05
EG11437A (en) 1977-08-15
SU953978A3 (ru) 1982-08-23
AR213610A1 (es) 1979-02-28
ZA743136B (en) 1975-08-27
CS203001B2 (en) 1981-02-27
AU6904674A (en) 1975-11-20
IN142126B (ja) 1977-06-04
FR2229690A1 (ja) 1974-12-13
BE815096A (fr) 1974-11-18
FR2229690B1 (ja) 1976-12-24
GB1404098A (en) 1975-08-28
LU70102A1 (ja) 1976-04-13
CA1019344A (en) 1977-10-18

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