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SE420196B - PROCEDURE FOR REDUCING CARBAMID BIURETIC CONTENTS - Google Patents

PROCEDURE FOR REDUCING CARBAMID BIURETIC CONTENTS

Info

Publication number
SE420196B
SE420196B SE7406519A SE7406519A SE420196B SE 420196 B SE420196 B SE 420196B SE 7406519 A SE7406519 A SE 7406519A SE 7406519 A SE7406519 A SE 7406519A SE 420196 B SE420196 B SE 420196B
Authority
SE
Sweden
Prior art keywords
biuretic
carbamid
contents
procedure
reducing
Prior art date
Application number
SE7406519A
Other languages
Swedish (sv)
Inventor
Marin R Xutgla
Fuentes J Cabello
Original Assignee
Mexico Guanos
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/en
Application filed by Mexico Guanos filed Critical Mexico Guanos
Publication of SE420196B publication Critical patent/SE420196B/en

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)
SE7406519A 1973-05-16 1974-05-16 PROCEDURE FOR REDUCING CARBAMID BIURETIC CONTENTS SE420196B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2416173A IT987491B (en) 1973-05-16 1973-05-16 PROCEDURE TO REDUCE THE CONTENT OF BIURET IN THE UREA
GB2327273A GB1404098A (en) 1973-05-16 1973-05-16 Process for reducing the biuret content in urea

Publications (1)

Publication Number Publication Date
SE420196B true SE420196B (en) 1981-09-21

Family

ID=26256424

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7406519A SE420196B (en) 1973-05-16 1974-05-16 PROCEDURE FOR REDUCING CARBAMID BIURETIC CONTENTS

Country Status (18)

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

Families Citing this family (5)

* 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 (en) 2004-02-05 2006-01-05 Uhde Gmbh Plant for the production of biuretarmem urea-containing fertilizer granules
RO131559A2 (en) * 2011-11-23 2016-12-30 Farid Alekovich Batullin Method for preparing crystalline carbamide of high purity
DE102019118702A1 (en) 2019-07-10 2021-01-14 Thyssenkrupp Ag REDUCING BIURET GENERATION IN UREA PRODUCTION
CN115738359B (en) * 2022-10-20 2025-09-16 江苏可兰素环保科技有限公司 Extraction and purification process of urea particles

Also Published As

Publication number Publication date
NL7406618A (en) 1974-11-19
DE2423890B2 (en) 1976-04-15
DE2423890A1 (en) 1974-12-12
ZA743136B (en) 1975-08-27
ATA406174A (en) 1977-12-15
AU6904674A (en) 1975-11-20
BR7403961D0 (en) 1974-12-24
CH617672A5 (en) 1980-06-13
BE815096A (en) 1974-11-18
AT344723B (en) 1978-08-10
CS203001B2 (en) 1981-02-27
EG11437A (en) 1977-08-15
CA1019344A (en) 1977-10-18
BG21603A3 (en) 1976-07-20
FR2229690A1 (en) 1974-12-13
GB1404098A (en) 1975-08-28
LU70102A1 (en) 1976-04-13
AR213610A1 (en) 1979-02-28
FR2229690B1 (en) 1976-12-24
DD113897A5 (en) 1975-07-05
SU953978A3 (en) 1982-08-23
IN142126B (en) 1977-06-04

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